JPH09184878A - Gps destination search and display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a GPS destination display system which can diplay the existing position of a portable terminal on a screen together with map data only by calling up the portable terminal provided with a GPS receiver. SOLUTION: This system is provided with a portable terminal A having a GPS receiver 1 and a GPS navigation device 2 having a map display part 22 and is constituted in combination with a communication device B connected to a telephone line. The communication device B calls up the portable terminal A through the telephone line L. When the call is received by the portable terminal A, the GPS position information received with the GPS receiver 1 is automatically sent to the communication device B, and the position of the called portable terminal A is displayed on a map display part 22 together with the map data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a GP in which the position of a mobile terminal can be confirmed on a map screen when the mobile terminal is called.
The present invention relates to an S destination search display system.

[0002]

2. Description of the Related Art Recently, GPS (Global Positioning Sys
tem: Global positioning system) is widely used. In such a navigation system, a plurality of orbiting satellites are launched in a low earth orbit, and highly accurate time information is transmitted from these orbiting satellites by an atomic clock. Three or more satellites among these orbiting satellites are transmitted. The position of the mobile station on the earth (latitude, longitude, altitude) can be detected by receiving the radio waves transmitted from the mobile station on the ground and measuring the propagation delay time of those radio waves. GPS with a small antenna
Simply carry the receiver and process it on your computer
-The map data stored in advance in a storage medium such as a ROM or a memory card is read out on the screen and the position of the mobile station is measured from several meters.
It can be displayed accurately in real time with an accuracy of several tens of meters.

Such a navigation system using GPS is rapidly becoming popular as a car navigation system, and it displays map data prestored in a storage medium such as a CD-ROM or a memory card on a screen. By showing the position of the vehicle equipped with the GPS receiver on the displayed map, the destination can be quickly reached even on a strange land.

On the other hand, at present, as mobile communication terminals, mobile phones, car phones, and personal handyphones (PHS).
Such mobile terminals are also widely used, and various forms have been proposed in which such a mobile communication terminal is incorporated into a car navigation system to notify the other party of the position of the mobile station through a telephone line. The first mode is for cars equipped with car navigation devices to have different GPs.
A mobile phone is connected to the S receiver to send and receive position signals, text messages and the like. According to this, in addition to a call by the mobile phone, the position of the other vehicle can be displayed on the map on the display screen.

In the second embodiment, a mobile phone is connected to an automobile equipped with a car navigation device and a position signal, a route guidance signal and the like are transmitted and received between the mobile phone and the car, and the personal computer is used as a center device. However, centralized management is achieved by making it possible to see the running states of multiple cars at a glance. The third form is a mobile phone of the second form and an ATIS (Advanced Traffic Infor).
information service, traffic information, traffic jam information, parking lot availability information, etc., are displayed on a map screen.

[0006]

However, in the combined use mode of the mobile terminal device and the car navigation device as described above, a car navigation device and a mobile phone device are required for both of them, and therefore the mobile phone device is separated from the car navigation device device. I could not let the other party know my position on the map screen when I had it.

[0007] Further, the portable terminal in the above-described mode cannot communicate with the other party while connecting to the car navigation device and displaying the position of the other vehicle on the map screen. It was necessary to disconnect each time to do this. On the other hand, mobile phones and radio call terminals are
Although they are being used more and more widely, they could only call or call, but could not confirm the location of the person who called.

The present invention has been proposed in view of the above circumstances. A first object of the present invention is to provide a mobile terminal with a GPS receiving device, and in a communication device of a calling source, where a person carrying the mobile terminal goes. Even if you are in the service area where you can call mobile terminals, we will provide a destination search display system that allows you to accurately display and confirm the position on the map screen along with the map data simply by making the call. Especially.

A second object is that if a mobile terminal is called from the communication device of the calling source, the called side can map the searched position on the map screen without performing any operation. It is to provide a destination search display system that can be displayed together with data. Furthermore, the third purpose is to call a mobile wireless terminal using wireless communication without using a telephone line,
A destination search and display system that can search the position of the mobile wireless terminal that has been called and display it on the map screen of the GPS navigation device that is connected to the calling wireless telephone device only by receiving an incoming call. To provide.

[0010]

The present invention proposed to achieve the above object has the following structural features. That is, in claim 1, a mobile terminal equipped with a GPS receiving device for detecting the position of its own station by receiving radio waves from an artificial satellite orbiting the earth in a low orbit, and GPS navigation having a map display unit. If the communication device calls the mobile terminal and the mobile terminal that receives the call receives the call, the mobile terminal detects the GPS receiving device. Since the GPS position information is transmitted to the calling communication device via the telephone line, the communication device that has received the GPS position information displays the GPS position information on the map data displayed on the map display section of the GPS navigation device. It is designed to display the position. Here, the telephone line includes a public telephone line, a digital leased line, and a line network such as ISDN.

The mobile terminal includes a mobile telephone having a call function, PHS, and the like, and a radio call terminal having no call function such as a pager. It suffices if the GPS position signal can be transmitted. Claim 2 proposes a paging system in which the mobile terminal has a call function, and claim 3 proposes a paging system in which the mobile terminal does not have a call function and only receives calls. Proposes a call system in which a mobile terminal and a communication device can talk with each other while confirming the position of the called side on a map.

When the mobile terminal used in the system of the present invention has only a paging function,
It can be manufactured in various shapes and sizes such as pager type and pendant type, and can be miniaturized. Therefore, dogs and cats,
It can be given to other moving small animals, old people, children, etc., and can be given to mountaineering, expeditionary groups, etc., so it is particularly useful for crime prevention, search during accidents such as lost children, abductions and distress.

Further, in claim 5, a wireless communication system which does not use a telephone line is proposed, and a portable wireless telephone which makes a call from a calling wireless telephone device to a called portable wireless telephone and receives the call. Is received, the position of the portable wireless telephone is displayed on the map data displayed on the map display unit of the GPS navigation device that is the calling source.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an example of the basic configuration of a GPS destination search display system using a telephone line. The called mobile terminal A having the GPS receiver 1 and the communication device B having the GPS navigation device 2 are connected via a telephone line L. The communication device B may be installed as a fixed station in a home or an office, or may be installed as a mobile station in an automobile or the like. Here, the mobile terminal A is a terminal that can be called through a telephone line such as a mobile phone, a car phone, and a handheld mobile phone (PHS). The communication device B is a phone equipped with a call function, and an automatic calling A communication terminal equipped with functions is adopted.

The mobile terminal A has a GPS receiver 1 built-in, and the GPS receiver 1 is a orbiting satellite G ...
An antenna 11 for receiving radio waves transmitted from
The position detection unit 12 is provided with a buffer memory 12a that fetches and demodulates the radio wave received by the antenna 11 at a predetermined cycle, extracts GPS position information, and stores the GPS position information. The GPS position information is stored in the buffer memory 12a.

The main body 3 of the mobile terminal A is composed of a CPU and has a signal processing section 31 for controlling each section, and a communication control section 32 for processing control data transmitted / received to / from the communication apparatus B, A code decoding unit 33 (CODE) for coding or decoding a voice signal which is an analog signal for making a call.
C), a call unit 34 that enables a call by inputting and outputting voice, an operation unit 35 including various operation buttons, a display unit 36 that displays the telephone number of the other party and necessary information, and an antenna 37. ing.

One of the communication devices B is connected with a GPS navigation device 2, and this navigation device 2
Drives the map data reading unit 21 on the basis of the GPS position information received by the communication device B and the map data reading unit 21 having a CD-ROM in which map data is stored in advance, and outputs necessary map data to the CD- It is equipped with a navigation controller 23 for reading from the ROM and displaying it on a map display unit 22 composed of a liquid crystal screen or the like, and displaying the coordinate position obtained by analyzing the above GPS position information on the map data as a marking. There is.

Further, the main body 4 of the communication device B, like the main body of the portable terminal A, has a signal processing section 41 composed of a CPU.
, Communication control unit 42, code decoding unit 43, and call unit 44
The communication device B and the mobile terminal A are configured to be able to send and receive digital data to and from each other to call and talk with each other. According to the system of the present invention having such a configuration, when the called terminal number (for example, dial number) of the mobile terminal A is specified and called from the communication apparatus B, the telephone exchange station and the radio calling station will call the mobile terminal. A call signal is sent to the machine A. On the other hand, when the mobile terminal A receives a ringing signal, it outputs a ringing tone. Therefore, when receiving a call automatically (in the case of a wireless ringing terminal) or by operating the hook button, the GPS signal is received at that time. Buffer memory 1 of the position detection unit 12 of the device 1
The GPS position information stored in 2a is the mobile phone A
Is transmitted to the communication device B via the telephone exchange, the communication device B further sends this GPS position information to the GPS navigation device 2. In the GPS navigation device 2, the navigation controller 23 decodes the GPS position information, and as shown in FIG. 2, the position M of the mobile terminal A is marked on the map data 22a read by the map data reading unit 21. Display as. In this case, in the GPS navigation device 2, the map display unit 2
Since the map data 22a displayed in 2 can be displayed in detail and in a wide area at a preset scale, the position of the mobile terminal A can also be displayed accordingly. At this time, the map display unit 22 can also display the location name and the like. FIG. 3 shows the basic operation in this case.

In such a system of the present invention, if the mobile terminal A is a wireless calling terminal having no call function, the paging where the location of the mobile terminal A that has received a call can be displayed on the map data 22a. Although the system is realized, when the mobile terminal A has a call function, the mobile terminal A is provided on the map data 22a of the map display unit 22 of the GPS navigation device 2 of the communication device B which is the calling source. After the marking M is displayed at the position of A, it becomes possible to talk with each other. In this way, the position of the mobile terminal device A marked and displayed on the map data may be displayed at the same position until the call ends, but the mobile terminal device A may be displayed at the same position until the call ends. If it is superposed on the call signal from the device A and transmitted to the communication device B, analyzed by the GPS navigation device 2 side and displayed on the map data 22a, its moving direction and destination can also be determined.

FIG. 4 shows a system diagram of the GPS destination search display system according to the present invention. In this system, the mobile terminal A is connected to a mobile phone, the communication device B is connected to a digital network N, the communication device B is a personal computer PC with a built-in modem, and its display is a map display unit 22. I'm using it. The navigation device 2 is used as an external device of the personal computer PC. Further, the radio control station 6 manages and controls a plurality of base stations 7 provided for each cell in order to receive the GPS position information returned as a digital signal from the mobile terminal A, and the communication device B When a call is received from the mobile terminal A, the mobile terminal A is called from the base station 7 of the cell in which the mobile terminal A exists, and when the mobile terminal A receives the GPS position information, the received GPS position information is received. Is returned from the telephone station 8 to the personal computer PC through the digital line network N, and the display 22 thereof is displayed.
It can be displayed on. A'is a pager and pendant type wireless calling terminal, which is a portable terminal owned by a child, an elderly person, an expeditionary party, a mountain climbing party, or the like.

With such a configuration, the computer P
C only calls any one of the plurality of mobile terminals A and A ′, displays their positions on the display 22, and displays the destination of the owner of the mobile terminals A and A ′ in real time together with the map data. In addition to centralized management, it is possible to manage the behavior history within a predetermined period. It is also possible to automatically give a command to each of the mobile terminals A and A'by voice or character information. If a printer device or a disk device is attached to the personal computer PC, the position information of each mobile terminal device A, A'is recorded,
You can also manage your daily destination.

The present invention is not limited to the above embodiment, and if the mobile terminal and the communication device are both configured as a wireless communication device, the communication device equipped with the GPS navigation device can be installed outdoors. You can also make calls.

[0023]

As can be understood from the above description, according to the GP destination search and display system of the present invention, the destination of the mobile terminal can be determined by simply calling the mobile terminal using the telephone line. The map data can be displayed accurately (claims 1 to 4). Further, in the system proposed in claims 1 to 4, when the called mobile terminal receives an incoming call, the GPS position information is automatically transmitted. You don't have to know it.

In particular, according to claim 2, the portable terminal is
Since it is composed of a radio calling terminal, it can be made into various shapes and sizes to achieve miniaturization, and can be carried by dogs, cats, other moving small animals, elderly people, children, etc., mountain climbing, expedition, etc. It is especially useful for crime prevention such as lost children, kidnapping, etc., and for searching for accidents such as accidents.

Further, according to claim 3, since the communication terminal can make a call with the mobile terminal of the other party after confirming the position of the called mobile terminal, the call can be made like a conventional car navigation device. There is no need to call again to do so. Further, in the system of the present invention proposed in claim 5, since the mobile terminal device and the communication device are both configured as a wireless communication device, the communication device equipped with the GPS navigation device can be installed outdoors and the communication can be performed. It will be possible.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an example of a basic configuration of a GPS destination search display system using a telephone line according to the present invention.

FIG. 2 is an explanatory diagram showing a display example of a map display unit of the GPS navigation device.

FIG. 3 is an explanatory diagram illustrating an example of a basic operation of the GPS destination search display system according to the present invention.

FIG. 4 is a communication system diagram of a GPS destination search display system according to the present invention.

[Explanation of Codes] A, A '... Mobile terminal B ... Communication device L ... Telephone line G ... Orbiting satellite 1 ... GPS receiver 2 ... GPS navigation device 22 ...・ Map display part 22a ・ ・ ・ Map data 3 ・ ・ ・ Mobile terminal body 4 ・ ・ ・ Communication device body

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H04B 7/26 H04B 7/26

Claims (5)

[Claims] 1. A GPS destination search and display system comprising a mobile terminal having a GPS receiver and a GPS navigation device having a map display unit and a communication device connected to a telephone line. Then, when the mobile terminal is called from the communication device via a telephone line and the mobile terminal receives the call, the GPS position information received by the GPS receiving device is transmitted to the communication device to call. A GPS destination search and display system characterized in that the position of the portable terminal is displayed on the map display section of the GPS navigation device together with map data. 2. The GP using a telephone line according to claim 1, wherein the mobile terminal is a mobile phone having a call function.
S destination search display system. 3. The GPS destination search and display system using a telephone line according to claim 1, wherein the portable terminal is a radio pager such as a pager. 4. The communication device and the mobile terminal both have a call function, and after the mobile terminal receives a call from the communication device and receives a call, it is possible to talk with each other. GPS destination search display system. 5. A GPS position display wireless call system configured by combining a portable wireless telephone having a GPS receiving device and a wireless telephone device having a GPS navigation device having a map display unit, wherein the communication is performed. When the portable wireless telephone is called from the device and the portable wireless telephone receives the call, the GPS position information received by the GPS receiving device is transmitted to the wireless telephone device to determine the position of the called portable wireless telephone. A GPS destination search display system characterized by displaying together with map data of a map display section.