WO2006129474A1

WO2006129474A1 - Data transfer method, transfer instructing communication terminal device, transfer controlling communication terminal device, transfer instructing program, and transfer controlling program

Info

Publication number: WO2006129474A1
Application number: PCT/JP2006/309747
Authority: WO
Inventors: Toshiharu Uchida; Jin Kubo; Toshiyuki Murata
Original assignee: Pioneer Corporation
Priority date: 2005-05-31
Filing date: 2006-05-16
Publication date: 2006-12-07
Also published as: JP2008205520A

Abstract

Provided is a data transfer method for performing a data transfer, while preventing leakage of information, without notifying a communication terminal device requesting a data transfer, of the data other than the data to be transferred, the data structure, or the detailed information of the data. An information processing device (300) recognizes, when it receives a communication request and establishes the communication line as a server with a communication terminal device (200), the contents of the data transfer and the communication terminal device (200) on the basis of the communication request, and once cuts the established communication line on the basis of the instruction of the communication terminal device (200). On the basis of the contents of the recognized data transfer and the communication terminal device (200) instructed to transfer, the information processing device (300) transmits again the communication request as a client to the communication terminal device (200) to establish the communication line again, and either acquires predetermined data from the communication terminal device (200) in accordance with the contents of the recognized data transfer or provides the communication terminal device (200) with the predetermined data.

Description

Specification

Data transfer method, transfer instruction communication terminal device, transfer control communication terminal device, transfer instruction program, and transfer control program

Technical field

The present invention belongs to the technical field of data transfer between communication terminal devices.

Background art

In recent years, communication terminals such as USB (Universal Serial Bus) or IEEE13 94 (the Institute of Electrical and Electronics Engineers 1394) have been developed due to the development of communication terminals such as personal computers, PDAs (Personal Digital Assistants), and portable telephones. A technology for constructing a network between communication terminal devices and transferring arbitrary data to other communication terminal devices based on the development of the standard and the penetration of each communication standard is generally used.

Conventionally, for example, in a server Z client communication protocol typified by HTTP (Hypertext Transfer Protocol), when data transfer is performed, a communication terminal device that makes a data transfer request is used for other communication. A communication line is established with the terminal device, and data is acquired and provided while browsing the internal data to the other communication terminal device. Disclosure of the invention

Problems to be solved by the invention

[0004] However, with the conventional server Z client type communication protocol, in the data transfer, data is transferred while browsing the inside of the communication terminal device to which data is provided or data is acquired. Therefore, data other than the data related to the transfer or the data structure thereof and detailed information about the data related to the transfer are inevitably notified to the communication terminal device that makes the data transfer request. Therefore, with such a transfer method, there is a possibility that confidential matters such as private information may be leaked in the communication terminal device to which data is provided or data is acquired.

In order to solve an example of the above-described problem, the present invention provides a communication terminal that makes a data transfer request for data other than data related to transfer or data structure thereof and detailed information about the data related to transfer Data that can prevent leakage of information without notifying the device A data transfer method and a communication terminal device that performs the data transfer method.

Means for solving the problem

[0006] In order to solve the above-described problem, according to one aspect of the present invention, there is provided a communication terminal device between a first communication terminal device that instructs data transfer and a second communication terminal device that performs data transfer control. In a data transfer method in which either a server or a client function is set when a communication line is established and data is transferred based on a transfer request of a communication terminal device having the client function. The first communication terminal device as the client, a transfer instruction step for establishing a communication line and instructing transfer of predetermined data to the second communication terminal device based on a predetermined instruction; A disconnecting step of disconnecting a communication line established after the second communication terminal device recognizes a transfer instruction from the first communication terminal device; and after disconnecting the communication line, the second communication terminal End device power A transfer request step for re-establishing a communication line to the recognized first communication terminal device as the client and making a data transfer request, and the first communication terminal device in the second communication A data transfer step of performing at least one of provision of predetermined data to the second communication terminal device and acquisition of the predetermined data of the second communication terminal device based on a transfer request from the terminal device It has a configuration.

[0007] Further, in another aspect of the present application, when performing data transfer with the other communication terminal apparatus based on data transfer control in the other communication terminal apparatus, the communication with the other communication terminal apparatus is performed. In the communication instruction device for transfer instruction that sets a function of either a server or a client at the time of establishment of a communication line and issues a transfer instruction to the other communication terminal device when set to the client. A transfer instruction means for establishing a communication line and instructing transfer of predetermined data to the other communication terminal apparatus based on a predetermined instruction; and from the other communication terminal apparatus after transferring the transfer instruction A disconnecting means for disconnecting the communication line based on the disconnection instruction of the terminal, and a re-establishment of establishing the communication line as a server with the other communication terminal apparatus based on the communication request of the other communication terminal apparatus. Means, a receiving means for receiving a transfer request transmitted from the other communication terminal device when the communication line is re-established, and the other of the predetermined data based on the received transfer request. To a communication terminal device or a predetermined data from the other communication terminal device. And a transfer means for performing at least one of data acquisition.

[0008] Further, according to still another aspect of the present application, when performing data transfer with the other communication terminal apparatus based on a data transfer instruction in the other communication terminal apparatus, the communication line with the other communication terminal apparatus is communicated. A transfer control communication terminal device that sets a function of either a server or a client at the time of establishment, makes a transfer request to the other communication terminal device when it is set to the client, and controls data transfer A communication control unit configured to establish a communication line with the other communication terminal device as the server based on a communication request of the other communication terminal device, and to receive a predetermined data transfer instruction; and Recognizing means for recognizing the content of the transfer instruction of the other communication terminal device, and controlling the disconnection of the communication line established after recognizing the content of the transfer instruction from the other communication terminal device. A disconnect control means, a transfer request means for re-establishing a communication line to the recognized other communication terminal device as the client after disconnecting the communication line, and requesting transfer of data, and the transfer A transmission / reception means for performing at least one of reception of predetermined data provided from the other communication terminal device based on the request or transmission of predetermined data to the other communication terminal device based on the transfer request; It has the structure equipped with.

[0009] Further, according to still another aspect of the present application, data transfer is performed between a communication terminal device between a first communication terminal device that instructs data transfer and a second communication terminal device that performs data transfer control. In the data transfer system in which either the server or the client function is set when the communication line is established, and the data transfer is performed based on the transfer request of the communication terminal apparatus having the client function, the first communication terminal A device, as the client, establishes a communication line to the second communication terminal device based on a predetermined instruction and issues a predetermined data transfer instruction, and after transferring the transfer instruction, (2) a disconnecting means for disconnecting the communication line based on a disconnection instruction from the communication terminal device, and a communication line between the second communication terminal device and the communication line based on a communication request of the second communication terminal device. An establishing means for reestablishing as a server, a receiving means for receiving a transfer request transmitted from the second communication terminal device when the communication line is reestablished, and a reception request based on the received transfer request. Provision of predetermined data to the second communication terminal device or the second And a transfer means for performing at least one of acquisition of predetermined data from the communication terminal device, and the second communication terminal device performs the first communication based on the communication request of the first communication terminal device. A communication control means for establishing a communication line with a communication terminal device as the server and receiving a transfer instruction of predetermined data; a recognition means for recognizing the content of the received transfer instruction of the first communication terminal device; A disconnect control means for controlling disconnection of the communication line established after recognizing the content of the transfer instruction from the first communication terminal device, and after the communication line is disconnected, (1) Transfer request means for reestablishing a communication line to the communication terminal device and making a data transfer request, and receiving or receiving predetermined data provided by the first communication terminal device based on the transfer request. And a transmission / reception means for performing at least one of transmission of predetermined data to the first communication terminal device based on the transfer request.

[0010] Further, according to still another aspect of the present application, when performing data transfer with another communication terminal device based on data transfer control in another communication terminal device by a computer, In the transfer instruction program for setting any function of a server or a client when establishing a communication line with a communication terminal apparatus and instructing transfer to the other communication terminal apparatus when set to the client, As a client, transfer instruction means for establishing a communication line and instructing transfer of predetermined data to the other communication terminal device based on a predetermined instruction, the transfer instruction means after transferring the transfer instruction Disconnection means for disconnecting the communication line based on a disconnection instruction from another communication terminal device, and the other communication terminal device based on a communication request from the other communication terminal device And establishing means for re-establishing the communication line as a server, receiving means for receiving a transfer request transmitted from the other communication terminal device when the communication line is re-established, based on the received transfer request A transfer unit that performs at least one of provision of predetermined data to the other communication terminal device or acquisition of the predetermined data of the other communication terminal device power.

[0011] Further, according to still another aspect of the present application, when performing data transfer with another communication terminal device based on a data transfer instruction in the other communication terminal device by a computer, the other communication is performed. Either server or client when establishing communication line with terminal device When the above function is set and the client is set, the transfer request is made to the other communication terminal device, and the communication request of the other communication terminal device is performed in the transfer control program for controlling the data transfer. Communication control means for establishing a communication line with the other communication terminal device as the server and receiving a predetermined data transfer instruction, and receiving the content of the received transfer instruction of the other communication terminal device. A recognition means for recognizing, a disconnection control means for controlling disconnection of a communication line established after recognizing the content of the transfer instruction of the other communication terminal device power, and the client as the client after disconnecting the communication line Transfer request means for re-establishing a communication line to another recognized communication terminal apparatus and requesting data transfer, provided from the other communication terminal apparatus based on the transfer request It has a configuration which is predetermined in a predetermined at least one receiving means for performing one of sending data to the other communication terminal equipment based on the reception or the transfer request for data, to function as a.

Brief Description of Drawings

FIG. 1 is a block diagram showing a configuration of an embodiment of a data transfer system according to the present application.

FIG. 2 is a flowchart (I) showing a transfer operation between the respective devices including communication control processes of the communication terminal device and the information processing device in the embodiment.

FIG. 3 is a flowchart (II) showing a transfer operation between each communication device including communication control processes of the communication terminal device and the information processing device in the embodiment.

FIG. 4 is a flowchart (III) showing a transfer operation between the respective devices including communication control processes of the communication terminal device and the information processing device in one embodiment.

Explanation of symbols

[0013] 100 ... Data transfer system

200… Communication terminal device

210… Communication control unit for terminal equipment

220… Data storage

230… Display section

240… Display controller 250

260 · · · System controller for terminal equipment

270 ··· ROMZRAM for terminal equipment

300 ... Information processing equipment

310 ··· Communication controller for information processing equipment

320 ··· Data storage 330… System controller for information processing equipment

340 ··· ROMZRAM for information processing equipment

BEST MODE FOR CARRYING OUT THE INVENTION

Next, preferred embodiments of the present invention will be described with reference to the drawings.

The embodiment described below is applied to a transfer system including a communication terminal device such as a personal computer and an information processing device that performs data communication with another communication terminal device such as a navigation device. In this embodiment, the data transfer method, the transfer instruction communication terminal device, and the transfer control communication terminal device are applied. Further, in the following description, for example, it is assumed that data transfer is performed using a server Z client type communication protocol such as HTTP (Hypertext Transfer Protocol) or FTP (File Transfer Protocol). The information processing apparatus is configured to be connectable to a display unit including a display control unit such as a liquid crystal display and an operation device such as a remote control unit.

First, the schematic configuration of the data transfer system according to the present application will be described with reference to FIG.

FIG. 1 is a block diagram showing a schematic configuration of the data transfer system according to the present application.

As shown in FIG. 1, the data transfer system 100 according to the present embodiment includes a communication terminal device 200 that instructs data transfer based on an instruction from an operator, and a data transfer instruction in the communication terminal device 200. The communication terminal device 200 and the information processing device 300 are connected to each other by wireless or wired communication.

[0018] Note that, for example, the communication control device of the present embodiment constitutes the first communication terminal device 200 and the transfer instruction communication terminal device 200 of the present invention, and the information processing device 300 is the second communication of the present invention. The terminal device 200 and the transfer control communication terminal device 200 are configured. When an instruction to transfer data of predetermined data is input by an operator, communication terminal apparatus 200 transmits a communication request indicating communication start to information processing apparatus 300 as a client, and information processing apparatus Establish a communication line with 300.

[0020] Further, when the information processing apparatus 300 receives the communication request and establishes a communication line with the communication terminal apparatus 200 as a server, the information processing apparatus 300 recognizes the data transfer content and the communication terminal apparatus 200 based on the communication request, Based on an instruction from the communication terminal device 200, the established communication line is disconnected once. Then, the information processing device 300 transmits a communication request to the communication terminal device 200 again as a client based on the recognized data transfer content and the communication terminal device 200 for which the transfer instruction has been given, and sets the communication line. Reestablishment is performed, and predetermined data is acquired from the communication terminal device 200 or predetermined data is provided to the communication terminal device 200 according to the recognized data transfer content.

At this time, communication terminal apparatus 200 acquires predetermined data from information processing apparatus 300 and transmits the predetermined data to information communication terminal apparatus 200 based on the control of information communication terminal apparatus 200 as a server. I started to offer.

As described above, the data transfer system 100 according to this embodiment disconnects the communication line once after recognizing a transfer instruction from the communication terminal apparatus 200 based on the operation of the operator as a client, and the information processing apparatus 300 As a client, a communication line is established with respect to the communication terminal device 200 again to perform transfer control of predetermined data, and data other than the data related to the transfer of the information processing device 300 or its data structure and transfer are controlled. Since it is possible to perform data transfer of predetermined data without browsing and notifying the communication terminal device 200 of detailed information on such data, it is possible to prevent information leakage during data transfer. Get ready!

Next, the configuration of communication terminal apparatus 200 will be described using FIG. 1 in the same manner.

As shown in FIG. 1, communication terminal apparatus 200 and terminal apparatus communication control section 210 that controls communication with information processing apparatus 300 and data to be transferred (hereinafter also referred to as “transfer data”). ) Data storage unit 220 that stores other data, display unit 230 used when transferring data, display control unit 240 that controls display unit 230, and data transfer in conjunction with display unit 230 Operation unit 250 used when performing transfer, and managing the transfer data when transferring transfer data Terminal controller system controller 260 that controls each part when transferring predetermined data and performing other processes, and terminal apparatus system controller 260 that is used when each part is controlled. ROMZRAM270, and each part is connected to each other by a bus B.

[0025] For example, the terminal device communication control unit 210 of the present embodiment constitutes a disconnection unit, an establishment unit, a transfer unit, and a reception unit of the present invention, and the data storage unit 220 stores the storage unit of the present invention. Configure. Further, for example, the system control unit of the present embodiment constitutes a transfer instruction unit and a storage control unit.

[0026] The terminal device communication control unit 210 is configured to be connected to the information processing device 300 via a predetermined wired communication line or wirelessly. Control and data exchange are started.

[0027] This terminal device communication control unit 210 is for USB, IEEE1394, or Bluetooth.

(Registered trademark) and other communication interfaces for short-range wireless communication, and communication with the information processing device 300 based on the communication request of the information processing device 300 or under the control of the system control unit 260 for the terminal device It establishes lines and exchanges predetermined data such as transfer data.

[0028] The data storage unit 220 stores, for example, transfer data such as music data or point data used for navigation processing, and other data. Below, when data is transferred, the specified data is output to the ROMZRAM270 for the terminal device.

[0029] The display unit 230 is configured by, for example, a CRT or a liquid crystal display, and is mainly used for an operation when transferring predetermined data. For example, an operation such as specifying data to be transferred in conjunction with the operation unit 250 is performed. A predetermined image related to the instruction is displayed!

[0030] The display control unit 240 generates image data to be displayed on the display unit 230 under the control of the terminal device system control unit 260. In particular, in order to link the operation unit 250 and the display unit 230 together. Then, predetermined image data related to an operation instruction such as specifying data to be transferred is generated, and the generated image data is output to the display unit 230 at a predetermined timing. [0031] The operation unit 250 includes a keyboard including a number of keys such as various confirmation buttons, selection buttons, and numeric keys, and a mouse that is one of input pointing devices. In particular, the operation unit 250 works in conjunction with the display unit 230. It is now used when operating instructions from the operator such as specifying data to be transferred.

[0032] The terminal device system control unit 260 is mainly a central processing unit (hereinafter referred to as a CPU).

), Including various input / output ports such as communication ports, key input ports, display control ports, etc., and processing related to communication control with the information processing device 300 (hereinafter referred to as “communication control processing”) and predetermined applications. It is designed to control overall functions for performing various types of processing such as processing related to program execution (hereinafter simply referred to as “program execution processing”).

[0033] In particular, the terminal device system control unit 260 of the present embodiment is activated as a client when communicating with the information processing device 300 based on an operation instruction of the operator, and the information processing as the client. Communication with the device 300 is controlled. Then, when the communication with the information processing device 300 as a client is terminated due to the disconnection of the communication line, the terminal device system control unit 260 starts communication again based on the communication request of the information processing device 300. Is started as a server and controls communication in the data transfer with the information processing apparatus 300 as the server.

[0034] Further, the terminal device system control unit 260 performs data management of data stored in the data storage unit 220 and data transferred from the information processing device 300. Specifically, When the predetermined data is transferred to the information processing device 300, the data to be transferred is read from the data storage unit 220 and stored in the ROMZRAM 270 for the terminal device, and a list of data to be transferred is generated and generated. The list data (hereinafter simply “list data” t) will be stored in the ROMZRAM 270 for the terminal device. On the other hand, the terminal system control unit 260 associates the data transferred from the information processing device 300 with the already stored data or as data used in the program execution process in the data storage unit 220. Storage control for storing is performed.

It should be noted that the list data in the present embodiment is stored in the information processing apparatus 300 as will be described later. When the information processing device 300 functions as a navigation device, information related to transfer data such as type data such as point data used for route guidance and file names in transfer data is specified. .

[0036] ROMZRAM 270 for terminal device stores a control program and application program for performing a predetermined operation, and stores transfer data and list data when transferring predetermined data to information processing device 300. Has come to be

Next, the configuration of the information processing apparatus 300 will be described using FIG. 1 in the same manner.

As shown in FIG. 1, the information processing apparatus 300 according to the present embodiment includes an information processing apparatus communication control unit 310 that performs communication control with the communication terminal apparatus 200, and the information processing apparatus 300 such as transfer data. Data storage unit 320 for storing various data used in the network, transfer control when transferring predetermined data to and from the communication terminal device 200, based on the data acquired by the control and transfer of each unit during the transfer control Information processing system control unit 330 that controls each unit when executing a predetermined application program, and information processing unit ROMZRAM 340 used when information processing unit system control unit 330 controls each unit. The parts are connected to each other by bus B.

Note that, for example, the communication control unit of the present embodiment constitutes a communication control unit, a disconnection control unit and a transmission / reception unit of the present invention, and the system control unit constitutes a recognition unit and a transfer request unit of the present invention. .

[0040] The communication control unit 310 for the information processing device is configured to be connected to the communication terminal device 200 via a predetermined wired communication line or wirelessly, and performs communication with the communication terminal device 200. It will begin to send and receive specified controls and data.

[0041] This information processing device communication control unit 310 has a short-range wireless communication interface such as USB, IEEE1394, or Bluetooth (registered trademark), and is based on a communication request from the communication terminal device 200. Alternatively, under the control of the information processing apparatus system control unit 330, communication lines are established with the communication terminal apparatus 200 and predetermined data such as transfer data is exchanged.

[0042] Similar to the data storage unit 220, the data storage unit 320 is, for example, music data or navigation. Various data used in the information processing apparatus 300 such as spot data used for the gating process is stored.

[0043] The system controller 330 for the information processing apparatus is mainly composed of a CPU, includes various input / output ports such as communication ports, and performs communication control processing related to communication control with the communication terminal apparatus 200 and a predetermined application. The overall functions for performing various processes such as the processes related to program execution are now comprehensively controlled!

[0044] The system control unit 330 for the information processing device according to the present embodiment provides predetermined data to the communication terminal device 200 based on the transfer instruction transmitted from the communication terminal device 200 or the predetermined data. The control related to the acquisition from the communication terminal device 200 (hereinafter referred to as “transfer control”) is performed.

[0045] In particular, the system control unit 330 for the information processing device of the present embodiment starts up as a server when communicating with the communication terminal device 200 based on the transfer instruction to which the communication terminal device 200 is also transmitted, Communication with the communication terminal device 200 is controlled as the server. In addition, the information processing apparatus system control unit 330 recognizes the transfer instruction of the communication terminal apparatus 200 such as the communication terminal apparatus 200 that performs transfer as a server and the data to be transferred, and after recognizing the transfer instruction, The communication line is temporarily disconnected. The information processing apparatus system control unit 330 is activated as a client, reestablishes communication with the communication terminal apparatus 200 based on the recognized transfer instruction, and provides communication control or provision for acquiring transfer data. It is designed to perform communication control for this purpose.

[0046] ROMZRAM 340 for information processing apparatus stores a control program for performing a predetermined operation, and also stores transfer data and list data when transferring predetermined data to information processing apparatus 300. Come on! /

Next, a predetermined transfer operation between the communication terminal device 200 and the information processing device 300 in the present embodiment will be described including each communication control process with reference to FIGS. 2 to 4 are flowcharts showing a transfer operation between the respective devices including the respective communication control processes of the communication terminal device 200 and the information processing device 300 in the present embodiment.

[0048] In the following description, the communication terminal device 200 and the information processing device 300 are wired in advance. It is assumed that the communication lines can be established by assuming that they are physically connected to each other and that they are aware of each other. It is assumed that transfer data to be transferred is stored in the data storage unit 220 and the data storage unit 320, respectively.

First, in communication terminal apparatus 200, an instruction to acquire or provide predetermined data to information processing apparatus 300 by the operator via operation unit 250 When the terminal device system control unit 260 detects the input of the transfer instruction (hereinafter referred to as “transfer instruction”), the data transfer instruction including “transfer instruction content”) is input. In step S101), the terminal device system control unit 260 acquires predetermined data from the information processing device 300 based on the detected operation instruction (hereinafter also referred to as “data acquisition”), or It is determined whether the information is provided to the information processing apparatus 300 (hereinafter referred to as “data provision”) (step S 102). At this time, if the terminal device system control unit 260 determines that the predetermined data is to be provided to the information processing device 300, the terminal device system control unit 260 proceeds to the processing of step S103, and starts from the information processing device 300 for the predetermined data. If it is determined that the acquisition is, the process proceeds to step S105.

[0050] Next, when the terminal device system control unit 260 determines in step S102 that predetermined data is to be provided to the information processing device 300, the terminal device system control unit 260 reads data to be transferred from the data storage unit 220. Then, it is stored in the ROMZRAM 270 for terminal equipment (step S 103).

[0051] Next, the terminal device system control unit 260 generates list data relating to data to be transferred such as a data type such as music data or point data and a file name of data to be transferred, and the generated list data. Is stored in the ROMZRAM 270 for the terminal device (step S104).

[0052] Next, the terminal device system control unit 260 sends a communication request regarding data transfer input to the information processing device 300 to the terminal device communication control unit 210, and information indicating the content of the transfer instruction (hereinafter, " And the identification information of the communication terminal device 200 (hereinafter referred to as “terminal identification information”), and waits for reception of a response to the communication request (step S 105). [0053] Next, when the information processing apparatus communication control unit 310 receives a communication request regarding data transfer transmitted from the communication terminal apparatus 200, the information processing apparatus 300 receives the information (step S201). The communication control unit 310 for processing device performs authentication and other processing with the communication terminal device 200 for which the communication request has been made, and transmits to the communication terminal device 200 that the establishment of the communication line is permitted (step S202). ).

Next, the system controller 330 for the information processing device recognizes the communication terminal device 200 that performs the transfer instruction content and data transfer based on the terminal identification information and the transfer instruction information, and sets the communication line. Wait for reception of a disconnection instruction (step S203).

Next, in communication terminal apparatus 200, terminal apparatus system control section 260 permits establishment of a communication line via terminal apparatus communication control section 210, that is, step S1 05. When a response to the communication request transmitted in the above process is received (step S106), a communication line with the information processing apparatus 300 is established (step S107).

Note that the terminal device communication control unit 210 receives a response to the communication request within a predetermined time after transmitting the communication request to the information processing device 300 in the process of step S105 in the process of step S106. If not, or if the communication request is received but the establishment of the communication line is not permitted, this operation is terminated.

[0057] Next, the terminal device system control unit 260 causes the terminal device communication control unit 210 to transmit an instruction to disconnect the communication line to the information processing device 300, and waits for reception of the response (step S108). ).

Next, in the information processing device 300, when the information processing device communication control unit 310 receives the disconnection instruction transmitted from the communication terminal device 200 (step S204), the information processing device system control unit 330 The processing device communication control unit 310 transmits a disconnection permission to the communication terminal device 200, and disconnects the communication line with the communication terminal device 200 (step S205).

Note that the information processing device communication control unit 310 transmits the disconnection instruction within a predetermined time after transmitting the communication line establishment permission to the information processing device 300 in the process of step S203 in the process of step S204. If no response is received, this operation is terminated.

[0060] At this time, in the communication terminal device 200, the communication control unit 210 for terminal device performs the information processing device. When receiving the disconnection permission of the communication line transmitted from the device 300 (step S109), the terminal device system control unit 260 disconnects the communication line and waits for reception of a communication request for re-establishing the communication line. (Step S110).

[0061] Note that the terminal device communication control unit 210 transmits the disconnection instruction within a predetermined time after transmitting the communication line establishment permission to the information processing device 300 in the process of step S109 in the process of step S109. If no response is received, this operation is terminated.

[0062] Next, the information processing device system control unit 330 performs information processing device communication control based on the communication terminal device 200 that performs data transfer recognized in step S203. The unit 310 causes the communication terminal apparatus 200 to transmit a communication request for establishing a communication line again, and waits for reception of a response to the communication request (step S 206).

[0063] Next, when the terminal device communication control unit 210 receives a communication request transmitted from the information processing device 300 for establishing a communication line again (step S111), the terminal device system control unit 260 The terminal device communication control unit 210 performs authentication and other processing with the communication terminal device 200 for which the communication request has been made, and transmits to the information processing device 300 that the establishment of the communication line is permitted and forwards it. Wait for reception of the instruction (step S112).

[0064] Note that the terminal device communication control unit 210 does not receive a response to the communication request within a predetermined time after disconnecting the communication line in the process of step S110 in the process of step S111. This operation is finished.

Next, in the information processing terminal device, when the information processing device communication control unit 310 receives that the establishment of the communication line transmitted from the communication terminal device 200 is permitted (step S2 07), the information processing device Based on the transfer instruction information recognized by the information processing apparatus communication control section 310 in the processing of step S203, the system control section 330 sends a predetermined data communication terminal to the communication terminal apparatus 200. A transfer request indicating transfer contents acquired from the device 200 or provided to the communication terminal device 200 is transmitted (step S208).

[0066] Note that the information processing apparatus communication control unit 310 transmits the communication request within a predetermined time after transmitting the communication line establishment permission to the information processing apparatus 300 in the process of step S206 in the process of step S207. If no response is received, this operation ends.

[0067] Next, the system controller 330 for the information processing device determines the predetermined content based on the transfer content information! It is determined whether the acquisition power of the data from the communication terminal device 200 and whether the predetermined data is provided to the communication terminal device 200 (step S209). When the process proceeds to S210 and it is determined that predetermined data is to be provided to the communication terminal device 200, the process proceeds to step S213.

Next, when it is determined that the predetermined data is acquired from the communication terminal device 200 in the process of step S209, the information processing apparatus system control unit 330 waits for reception of the data (step S210).

On the other hand, in communication terminal apparatus 200, when terminal device communication control section 210 receives the transfer request transmitted from information processing apparatus 300 (step S113), terminal apparatus system control section 260 receives predetermined data. Whether the information is acquired from the information processing apparatus 300 or provided to the information processing apparatus 300 (step S114).

[0070] Note that the terminal device communication control unit 210 does not receive a response to the transfer instruction within a predetermined time after disconnecting the communication line in the process of step S112 in the process of step S113. This operation is finished.

Next, when the terminal device system control unit 260 determines that the predetermined data is to be provided to the information processing device 300, the list stored in the terminal device ROMZRAM 270 in the terminal device communication control unit 210. In addition to transmitting data, the corresponding data indicated in the squirrel data is sequentially read from the ROMZRA M270 for terminal device in cooperation with the information processing device 300 and transmitted to the information processing device 300 (step S115). .

[0072] At this time, in the information processing device 300, the information processing device system control unit 330 receives the list data via the information processing device communication control unit 310 and interlocks with the communication terminal device 200. The information processing device communication control unit 310 sequentially obtains the corresponding data indicated in the list data (step S211). Then, after acquiring the corresponding data, the information processing device system control unit 330 transmits a data reception instruction to the communication terminal device 200 and the information processing device communication control unit 310 acquires the data. Is stored in the data storage unit 320 (step S212), the communication line is disconnected (step S213), and this operation is terminated.

[0073] Next, in the communication terminal device 200, the terminal device communication control unit 210 operates the information processing device. When receiving an instruction to receive data transmitted from the device 300 (step SI 16), the communication line is disconnected (step S 117) and this operation is terminated.

On the other hand, in the information processing device 300, when the information processing device system control unit 330 determines that the predetermined data is provided to the communication terminal device 200 in the process of step S209, the predetermined data Is sent, it waits for the response to be received (step S214).

[0075] Then, in the communication terminal device 200, when the terminal device system control unit 260 determines that the predetermined data is acquired from the information processing device 300 during the process of step S114, the terminal device system control unit 260 The communication control unit 210 transmits an instruction indicating that transfer is possible to the information processing apparatus 300, and waits for reception thereof (step S118).

Next, in the information processing apparatus 300, the information processing apparatus system control unit 330 receives an instruction indicating that transfer is possible via the information processing apparatus communication control unit 310 (step S2 15). ) In conjunction with the communication terminal device 200, the data corresponding to the information processing device communication control unit 310 is acquired from the data storage unit 320, and is sequentially transmitted to the communication terminal device 200 to receive the data reception instruction. Wait (step S216).

Note that the information processing device communication control unit 310 allows the transfer within a predetermined time after transmitting the communication line establishment permission to the information processing device 300 in the process of step S214 in the process of step S215. If no response to the instruction is received, this operation ends.

Next, in the communication terminal device 200, the terminal device system control unit 260 sequentially acquires data corresponding to the terminal device communication control unit 210 in conjunction with the information processing device 300. And stored in the data storage unit 220 (step S119). Then, after acquiring the corresponding data, the terminal device system control unit 260 transmits a data reception instruction to the information processing device 300 (step S 120) and disconnects the communication line (step S 121). This operation ends.

At this time, in the information processing device 300, when the terminal device system control unit 260 receives the reception instruction via the information processing device communication control unit 310 (step S217), the communication line is disconnected (step S217). S 218) End this operation. As described above, in the data transfer method of the present embodiment, when data transfer is performed between the communication terminal apparatus 200 that issues a data transfer instruction and the communication terminal apparatus 200 between the information processing apparatus 300 that performs data transfer control. In the data transfer method in which either the server or the client function is set when the communication line is established and the data transfer is performed based on the transfer request of the communication terminal apparatus 200 having the client function, the communication terminal apparatus 200 As a client, a process of establishing a communication line and instructing the information processing device 300 to transfer predetermined data based on a predetermined instruction, and the information processing device 300 transferring data from the communication terminal device 200 The process of disconnecting the established communication line after recognizing the instruction, and the information processing apparatus 300 as a client to the recognized communication terminal apparatus 200 after disconnecting the communication line. The communication terminal 200 re-establishes the communication line and makes a data transfer request, and the communication terminal device 200 provides predetermined data to the information processing device 300 or information based on the transfer request from the information processing device 300. And a step of performing at least one of obtaining predetermined data from the processing device 300.

With this configuration, the data transfer method of the present embodiment disconnects the established communication line after recognizing the transfer instruction from the communication terminal apparatus 200, and after disconnecting the communication line, the information processing apparatus 300 establishes a communication line again with respect to communication terminal apparatus 200 and makes a data transfer request, and communication terminal apparatus 200 transmits information to information processing apparatus 300 for predetermined data based on the transfer request. And / or acquisition of predetermined data from the information processing apparatus 300.

Therefore, since the data transfer method of the present embodiment can perform data transfer control by the information processing apparatus 300, the data other than the data related to transfer or the data structure thereof and the details of the data related to transfer are detailed. It is possible to prevent information leakage without notifying the communication terminal device 200 that makes a data transfer request.

In addition, the communication terminal device 200 according to the present embodiment, when performing data transfer with the information processing device 300 based on the data transfer control in the information processing device 300, When a communication line is established, the server or client function is set, and when set to the client, the communication terminal device 200 that issues a transfer instruction to the information processing device 300 performs a predetermined operation as a client. Information processing based on instructions Establish a communication line to the device 300 and execute a predetermined data transfer instruction. After transferring the transfer instruction, disconnect the communication line based on the disconnection instruction from the information processing device 300. Execution of re-establishment as a server of the communication line with the information processing apparatus 300 based on the communication request, and reception of a transfer request transmitted from the information processing apparatus 300 when the communication line is re-established. Based on the received transfer request, the communication control unit 210 for the terminal device performs at least one of provision of predetermined data to the information processing device 300 and acquisition of predetermined data from the information processing device 300 And a system control unit 260 for the terminal device.

With this configuration, the communication terminal apparatus 200 according to the present embodiment executes a transfer instruction, and after the communication line is disconnected, the information processing apparatus 300 re-establishes the communication line with respect to the communication terminal apparatus 200. Based on the data transfer request made, the data is provided to the information processing apparatus 300 and / or the predetermined data is acquired from the information processing apparatus 300.

Accordingly, the communication terminal device 200 according to the present embodiment can perform data transfer control by the information processing device 300, and therefore, data other than data related to transfer or data structure and data related to transfer. It is possible to prevent leakage of information without notifying the communication terminal device 200 that makes a data transfer request of the detailed information.

[0086] Further, in the communication terminal device 200 of this embodiment, the terminal device system control unit 260 has at least either the identification information of the communication terminal device 200 or the type information indicating the type of data to be transferred. The information processing apparatus 300 is instructed to transfer data based on either information!

With this configuration, communication terminal apparatus 200 of the present embodiment can perform data transfer of data based on identification information or type information, so that transfer data can be accurately and reliably transmitted. Data can be transferred.

[0088] Further, when the communication terminal device 200 according to the present embodiment provides predetermined data to the information processing device 300, when the terminal device system control unit 260 issues a transfer instruction, the communication terminal device 200 relates to the transfer. The predetermined data is stored in the terminal ROMZRAM 270 different from other data. With this configuration, the communication terminal device 200 according to the present embodiment can transfer the data stored in the terminal device ROMZRAM 270 to the information processing device 300. Therefore, the data other than the data related to the transfer or the data It is possible to prevent leakage of information without notifying the communication terminal device 200 that makes a data transfer request of detailed data structure and data related to transfer.

Further, the information processing apparatus 300 according to the present embodiment communicates with the communication terminal apparatus 200 when performing data transfer with the communication terminal apparatus 200 based on a data transfer instruction in the communication terminal apparatus 200. In the information processing device 300 that controls the transfer of data by setting a function of either the server or the client at the time of establishing the line, making a transfer request to the communication terminal device 200 when the function is set to the client, Based on the communication request of the terminal device 200, a communication line with the communication terminal device 200 is established as a server, and a communication control unit 310 for information processing device that receives a predetermined data transfer instruction, and the received communication terminal device Information processing system controller 330 for recognizing the contents of 200 transfer instructions, and information processing apparatus communication control section 310 for recognizing the contents of transfer instructions from communication terminal apparatus 200. The information processing device system control unit 330 disconnects the communication line and then reconnects the communication line to the recognized communication terminal device 200 as a client. Establishing and making a data transfer request, and then the information processing device system control unit 330 receives the predetermined data provided from the communication terminal device 200 based on the transfer request or the communication terminal device based on the transfer request It has a configuration that performs at least one of transmission of predetermined data to 200.

With this configuration, the information processing apparatus 300 according to the present embodiment controls the disconnection of the communication line established after recognizing the content of the transfer instruction from the communication terminal apparatus 200 and disconnects the communication line. After that, as a client, a communication line is re-established with respect to the recognized communication terminal device 200, a data transfer request is made, and predetermined data provided from the communication terminal device 200 is received based on the transfer request. Alternatively, at least one of predetermined data transmission to the communication terminal device 200 based on the transfer request is performed. Therefore, the information processing apparatus 300 according to the present embodiment can perform data transfer control by the information processing apparatus 300, so that data other than the data related to transfer or the data structure and data related to transfer can be controlled. It is possible to prevent information leakage without notifying detailed information to the communication terminal device 200 that makes a data transfer request.

Further, in the information processing apparatus 300 according to the present embodiment, the information processing apparatus system control unit 330 includes the identification information of the communication terminal apparatus 200 that issues a transfer instruction and the type information indicating the type of data to be transferred. It has a configuration for recognizing at least one of the information.

[0094] With this configuration, the information processing apparatus 300 according to the present embodiment can perform data transfer of data based on identification information or type information, so that transfer data can be accurately and reliably transferred. Data can be transferred.

In addition, when the information processing apparatus 300 according to the present embodiment acquires predetermined data from the communication terminal apparatus 200, the information processing apparatus system control unit 330 performs a predetermined process related to transfer from the terminal apparatus ROMZRA M270. It has a configuration for acquiring data.

With this configuration, the information processing apparatus 300 according to the present embodiment can transfer the data stored in the terminal device ROMZRAM 270 to the information processing apparatus 300. Therefore, the data other than the data related to the transfer or the data It is possible to prevent leakage of information without notifying the communication terminal device 200 that makes a data transfer request of detailed data structure and data related to transfer.

Note that, when the data transfer system 100 of the present embodiment transfers data from the communication terminal apparatus 200 to the information processing apparatus 300, the data related to the transfer is stored once in the terminal ROMZR AM270. However, the data may be directly read from the data storage unit 220 and transferred to the information processing apparatus 300 based on the list data.

Further, in the present embodiment, a transfer instruction is given to the information processing apparatus 300 based on an instruction of an operator in the communication terminal apparatus 200, but the communication terminal apparatus 200 is controlled. The transfer instruction may be issued by the control device.

In the present embodiment, the navigation apparatus is described as an example of the information processing apparatus 300. However, any apparatus that can be connected to the communication terminal apparatus 200 such as a PDA or a mobile phone may be used. [0100] Also, in the present embodiment, the terminal device system control unit 260 and the information processing device system control unit 330 are configured to store the force predetermined data for performing each communication control process. A communication terminal device 200 or information processing device 300 having an information recording medium or an information storage medium for storing the predetermined data is provided with a computer and a recording medium, and a control program for executing the communication control processing described above is provided on the recording medium. It is possible to store and read the control program on each computer to perform the same communication control process as described above.

Note that the present invention is not limited to the above-described embodiment. The above embodiment is merely an example, and has any configuration that is substantially the same as the technical idea described in the claims of the present invention and that exhibits the same operational effects. Are also included in the technical scope of the present invention.

[0102] In addition, the entire disclosure of the Japanese patent application (No. 2005-160739), including the specification, claims, drawings, and abstract filed on May 31, 2005, refers to all of them. Incorporated here.

Claims

The scope of the claims

[1] When data is transferred between the first communication terminal device that instructs data transfer and the second communication terminal device that controls data transfer, the server or According to a data transfer method in which any function of a client is set and data transfer is performed based on a transfer request of a communication terminal device having the client function, the first communication terminal device A transfer instruction step of establishing a communication line and instructing transfer of predetermined data to the second communication terminal device based on a predetermined instruction;

A disconnecting step of disconnecting the communication line established after the second communication terminal device recognizes the transfer instruction from the first communication terminal device; and

A transfer request step in which, after disconnecting the communication line, the second communication terminal device reestablishes a communication line as the client to the recognized first communication terminal device and makes a data transfer request;

The first communication terminal apparatus provides predetermined data to the second communication terminal apparatus or obtains predetermined data from the second communication terminal apparatus based on a transfer request from the second communication terminal apparatus A data transfer step of performing at least one of

A data transfer method comprising:

[2] Based on the data transfer control in another communication terminal device, when performing data transfer with the other communication terminal device, the server or In the communication instruction device for transfer instruction that sets any function of the client and issues a transfer instruction to the other communication terminal device when set to the client.

Transfer instruction means for establishing a communication line and instructing transfer of predetermined data to the other communication terminal device based on a predetermined instruction as the client,

A disconnecting means for disconnecting the communication line based on a disconnection instruction from the other communication terminal device after transferring the transfer instruction;

Establishing means for re-establishing a communication line as a server with the other communication terminal device based on a communication request of the other communication terminal device; Receiving means for receiving a transfer request transmitted by the other communication terminal device when the communication line is re-established;

Transfer means for performing at least one of provision of predetermined data to the other communication terminal apparatus and acquisition of predetermined data from the other communication terminal apparatus based on the received transfer request; ,

A transfer instruction communication terminal device comprising:

[3] In the communication terminal device for transfer instruction according to claim 2,

Based on at least one of the identification information of the transfer instruction communication terminal device and the type information indicating the type of data to be transferred, the transfer instruction means transmits data to other communication terminal devices. A communication terminal device for transfer instruction, characterized by issuing a transfer instruction.

[4] In the transfer instruction communication terminal device according to claim 2 or 3,

When providing predetermined data to the other communication terminal device,

And further comprising storage control means for storing predetermined data related to the transfer in a storage area of a predetermined storage means different from other data when a transfer instruction is given by the transfer instruction means. A communication terminal device for transfer instruction.

[5] In the transfer instruction communication terminal device according to any one of claims 2 to 4,

The transfer instruction means issues at least one instruction of providing predetermined data to the other communication terminal apparatus or acquiring predetermined data from the other communication terminal apparatus as the transfer instruction. A transfer instruction communication terminal device characterized by the above.

[6] In the transfer instruction communication terminal device according to any one of claims 2 to 5,

When the transfer means provides predetermined data to the other communication terminal device, it provides at least one of type information indicating the type of data to be transferred and name information indicating the name of the data A communication terminal device for transfer instruction characterized by

[7] When performing data transfer with the other communication terminal apparatus based on the data transfer instruction in the other communication terminal apparatus, either the server or the client is established when the communication line is established with the other communication terminal apparatus. If any of these functions are set and set for the client, the Make a transfer request to other communication terminal devices! In the communication terminal device for transfer control that performs data transfer control,

Communication control means for establishing a communication line with the other communication terminal apparatus as the server based on a communication request of the other communication terminal apparatus and receiving a predetermined data transfer instruction;

Recognizing means for recognizing the content of the transfer instruction received from the other communication terminal device, and controlling the disconnection of the communication line established after recognizing the content of the transfer instruction from the other communication terminal device Cutting control means;

After disconnecting the communication line, as the client, transfer request means for reestablishing the communication line to the other recognized communication terminal device and requesting data transfer, and the other based on the transfer request Transmitting / receiving means for performing at least one of reception of predetermined data provided from the communication terminal apparatus or transmission of predetermined data to the other communication terminal apparatus based on the transfer request;

A communication terminal device for transfer control, comprising:

[8] In the communication terminal device for transfer control according to claim 7,

Transfer control characterized in that the recognition means recognizes at least one of identification information of another communication terminal device that performs the transfer instruction and type information indicating a type of data to be transferred. Communication terminal equipment.

[9] In the transfer instruction communication terminal device according to claim 7 or 8,

When obtaining predetermined data from the other communication terminal device,

The communication terminal device for transfer control, wherein the transmission / reception means acquires predetermined data relating to transfer from a storage area of a predetermined storage means possessed by the other communication terminal device.

[10] In the communication terminal device for transfer control according to any one of claims 7 to 9,

The communication control means gives, as the transfer instruction, at least one instruction of receiving predetermined data provided from the other communication terminal apparatus or transmitting predetermined data to the other communication terminal apparatus. A communication terminal device for transfer control, characterized by receiving.

[11] The transfer control communication terminal device according to any one of claims 7 to 10, wherein the transmission / reception means receives predetermined data provided from the other communication terminal device. In this case, at least one of the type information indicating the type of data to be transferred and the name information indicating the name of the data is received.

When data is transferred between the first communication terminal device that issues data transfer instructions and the second communication terminal device that performs data transfer control, either the server or the client when establishing a communication line In the data transfer system in which data transfer is performed based on the transfer request of the communication terminal device having the client function, the first communication terminal device

Transfer instruction means for establishing a communication line and instructing transfer of predetermined data to the second communication terminal device as the client based on a predetermined instruction;

A disconnecting means for disconnecting the communication line based on a disconnection instruction from the second communication terminal device after transferring the transfer instruction;

Establishing means for re-establishing a communication line as a server with the second communication terminal device based on a communication request of the second communication terminal device;

Receiving means for receiving the transfer request transmitted by the second communication terminal device when the communication line is re-established;

Transfer means for performing at least one of provision of predetermined data to the second communication terminal apparatus and acquisition of predetermined data of the second communication terminal apparatus based on the received transfer request;

With

The second communication terminal device

Communication control means for establishing a communication line with the first communication terminal apparatus as the server based on a communication request of the first communication terminal apparatus and receiving a predetermined data transfer instruction;

Recognizing means for recognizing the content of the received transfer instruction of the first communication terminal device, and disconnection control for controlling disconnection of the communication line established after recognizing the content of the transfer instruction of the first communication terminal device power Means,

After disconnecting the communication line, the recognized first communication terminal as the client Transfer request means for re-establishing a communication line to the device and requesting transfer of data; receiving of predetermined data provided from the first communication terminal device based on the transfer request; or Transmission / reception means for performing at least one of transmission of predetermined data to the first communication terminal device;

A data transfer system comprising:

[13] When performing data transfer with the other communication terminal apparatus based on the data transfer control in the other communication terminal apparatus by the computer, the server is established when establishing a communication line with the other communication terminal apparatus. Alternatively, in a transfer instruction program that sets any function of the client and issues a transfer instruction to the other communication terminal device when the function is set in the client.

The computer,

Transfer instruction means for establishing a communication line and instructing transfer of predetermined data to the other communication terminal device based on a predetermined instruction as the client;

Establishing means for re-establishing a communication line as a server with the other communication terminal device based on a communication request of the other communication terminal device;

Receiving means for receiving a transfer request transmitted by the other communication terminal device when the communication line is re-established;

Transfer means for performing at least one of provision of predetermined data to the other communication terminal apparatus and acquisition of predetermined data from the other communication terminal apparatus based on the received transfer request;

A transfer instruction program characterized by functioning as

[14] When the computer performs data transfer with the other communication terminal apparatus based on the data transfer instruction in the other communication terminal apparatus, the server or the communication line is established when the communication line is established with the other communication terminal apparatus. In a transfer control program that sets a function of a client, makes a transfer request to the other communication terminal device when it is set to the client, and controls data transfer. Communication control means for establishing a communication line with the other communication terminal apparatus as the server based on a communication request of the other communication terminal apparatus and receiving a predetermined data transfer instruction The received other communication terminal Recognizing means for recognizing the contents of the transfer instruction of the apparatus; disconnection control means for controlling disconnection of the communication line established after recognizing the contents of the transfer instruction from the other communication terminal apparatus;

After disconnecting the communication line, as the client, transfer request means for reestablishing a communication line to the recognized other communication terminal device and requesting transfer of data, the other request based on the transfer request Transmission / reception means for performing at least one of reception of predetermined data provided from a communication terminal device or transmission of predetermined data to the other communication terminal device based on the transfer request;

A transfer control program characterized by functioning as