KR200262235Y1 - A case system of personal Digital Assistant having a easy phone function - Google Patents

Abstract

The present invention relates to an information terminal case system that is easy to telephone, the information terminal case system having a guide piece for supporting the information terminal on both sides of the front, the information terminal detachable, Modem for wireless communication; An antenna for converting and transmitting the output signal of the modem to a radio, and converting the signal received wirelessly to a wire and transmitting the converted signal to the modem; A codec for voice processing a signal transmitted and received from the modem; A first speaker installed at a left side of an upper rear side of the terminal case; A second speaker installed at a right side of a rear upper side of the terminal case; A switching switch for coupling the first speaker or the second speaker with the codec according to a user's selection; The voice input of the user is transmitted to the codec, and includes a microphone installed at the bottom rear of the terminal case. The present invention provides a convenient microphone by installing a microphone and a speaker in a terminal case system equipped with an information terminal.

Description

A case system of personal Digital Assistant having a easy phone function

The present invention relates to a personal digital assistant (PDA) case system, and more particularly, by installing a microphone and a speaker in a terminal case system in which an information terminal is mounted, it is easy to make a phone call. An information terminal case system.

In general, an information terminal is abbreviated as PDA and is called a portable information terminal.

The information terminal is a smaller computer that is much smaller than a notebook and has significantly more computer power than an electronic notebook.

Since the overall size is small, the size of the display device (LCD) is limited, and it is based on a pen input for writing by using a pen to recognize characters.

Personal information management programs such as schedule management, address book, notepad, etc. are provided, and data can be exchanged freely through connection with a PC. In addition to the built-in programs, new programs can be installed and used.

Recently, with the development of wireless communication, Internet access through PDA is possible, and PDA is newly pioneering wireless internet field.

Such information terminal improves inefficient method of personal information management through basically provided programs and additional applications, and also provides personal information management program for PC corresponding to personal information management programs of PDA. By connecting PC and PC, it supports modification, addition and backup of inputted information, suggesting a new level of personal information management plan.

In addition, the phone function of the PDA allows you to make or receive calls on the go regardless of location.

However, in the related art, it is inconvenient to use the earphone because it is necessary to use the telephone function by inserting the earphone into the jack of the information terminal.

The technical problem of the present invention is to solve the disadvantages of the prior art, to purchase only the information terminal case system, to provide an information terminal case system that is equipped with an information terminal in the case system, and can make a call without earphones.

Fig. 1 is a block diagram of an information terminal case system for making a telephone call according to the first embodiment of the present invention.

2 is a view showing a combined state of the information terminal case system and the information terminal easy to telephone according to the first embodiment of the present invention.

3 is a view showing a state in which the information terminal case system and the information terminal with which the telephone is easy according to the first embodiment of the present invention are combined.

Figure 4 is a view showing the back of the information terminal case system easy to telephone according to the first embodiment of the present invention.

5 is a view showing a state in which a user makes a phone call with an information terminal case system for easy phone call according to the first embodiment of the present invention.

Fig. 6 is a block diagram of an information terminal case system for making a telephone call according to the second embodiment of the present invention.

7 is a view showing the back of the information terminal case system easy to telephone according to the second embodiment of the present invention.

8 is a view showing a state in which a user makes a telephone call with an information terminal case system for easy telephone according to a first embodiment of the present invention.

9 is a view showing the back of the information terminal case system easy to telephone according to the third embodiment of the present invention.

10 is a view showing the back of the information terminal case system easy to telephone according to the fourth embodiment of the present invention.

An information terminal case system according to one feature of the present invention for achieving the technical problem,

In the information terminal case system that the information terminal is detached,

An interface unit for interfacing the telephone transmission information of the information terminal; A modem for demodulating the telephone transmission information input through the interface unit in accordance with a wireless communication environment and demodulating the received telephone related information; An antenna for converting and transmitting the output signal of the modem to a radio, and converting the signal received wirelessly to a wire and transmitting the converted signal to the modem; A codec for voice processing a signal transmitted and received from the modem; A microphone which receives a user's voice and delivers it to the codec; It includes a speaker for outputting the signal processed by the codec as a voice.

An information terminal case system according to another feature of the present invention for achieving this problem,

An information terminal case system in which guide pieces for supporting an information terminal are provided on both sides of the front surface, and the information terminal is detachable.

A modem for wireless communication; An antenna for converting and transmitting the output signal of the modem to a radio, and converting the signal received wirelessly to a wire and transmitting the converted signal to the modem; A codec for voice processing a signal transmitted and received from the modem; A first speaker installed at a left side of an upper rear side of the terminal case; A second speaker installed at a right side of a rear upper side of the terminal case; A switching switch for coupling the first speaker or the second speaker with the codec according to a user's selection; The voice input of the user is transmitted to the modem, and includes a microphone installed at the bottom rear of the terminal case.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily perform the following.

1 is a block diagram of an information terminal case system having a wireless communication function according to a first embodiment of the present invention.

As shown in Fig. 1, an information terminal case system having a wireless communication function according to a first embodiment of the present invention,

In the information terminal case system that the information terminal is detached,

An interface unit 101 for interfacing the telephone transmission information of the information terminal;

A modem (104) for modulating the telephone transmission information input through the interface unit (101) in accordance with a wireless communication environment and demodulating the received telephone related information;

An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable;

A microphone 111 which receives a user's voice and delivers it to the codec;

And a speaker 108 for outputting a signal processed by the codec as voice.

And a codec 105 for processing signals input and output from the speaker and the microphone.

Then, the operation of the information terminal case system according to the first embodiment of the present invention having such a configuration will be described in detail.

First, the user selects a telephone number to be transmitted using the information terminal 200, and then holds the case system 100 by hand so that the speaker 108 and the microphone 111 are located at the ears and the mouth.

At this time, the appearance of the information terminal 200 is shown in FIG.

As shown in FIG. 2, the information terminal 200 has a display unit 202 for displaying information such as letters, pictures, and numbers on the front side, and a terminal 203 for connecting a communication line at the bottom thereof. . And the side of the information terminal is provided with a control unit, such as ON / OFF button, display lamp, battery lamp. 3 illustrates a structure in which the information terminal 200 is combined with the case system 100. As shown in FIG. 3, the information terminal 200 includes a guide piece 120 supporting the information terminal 200 on both sides of the front surface of the case 121 of the case system so that the information terminal 200 can be easily detached from the case system 100.

When the transmission telephone number is selected by the user, the telephone transmission information is transmitted to the modem 104 through the connector 203 of the information terminal 200 and the connector 107 and the interface unit 101 of the case system 100. .

The modem 104 then modulates the telephone transmission information and transmits wirelessly via the antenna 102.

At this time, the user's ear hears a telephone transmission sound, and this process is well known in the art, so a detailed description thereof will be omitted.

Then, the signal is transmitted to the corresponding receiver through the wireless network and the public network.

Then, when the called party answers, the user makes a call using the speaker 108 and the microphone 11. At this time, the speaker 108 and the microphone 111 is located in the rear of the case system 100 as shown in Figure 4 is convenient to carry and use like a normal mobile phone.

That is, since the user directly calls the case system 100, the user can make a convenient call as compared to using the earphone.

On the other hand, the operation upon receiving a voice call is as follows.

When a signal input through the wireless network is received by the modem 104 of the case system 100, a ring signal is generated in the ring signal unit 110.

Then, the user makes a call using the speaker 108 and the microphone 111 as in the case of transmission.

However, in the information terminal case system according to the first embodiment, the speaker 108 is located at the top center of the rear of the case system.

However, the information terminal is wider than a cell phone, and the wrist is folded when the user calls with his hand. That is, as shown in Figure 5, when the user makes a phone call with the case system 100 by hand, the position of the speaker in the middle has a disadvantage that the wrist is slightly bent.

In addition, as shown in Figure 2, the CF (Compact Flash) type chip 201 is applied to the back of the case system has a disadvantage that the installation of the speaker is complicated.

Therefore, the second embodiment in which the position of the speaker is installed at the edge of the upper end of the rear side is devised.

6 is a block diagram of an information terminal case system according to a second embodiment of the present invention.

As shown in Figure 6, the information terminal case system according to a second embodiment of the present invention according to an embodiment of the present invention,

In the information terminal case system in which the guide piece 120 for supporting the information terminal 200 is provided on both sides of the front surface, and the information terminal is detachable,

A modem 104 for wireless communication;

An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable;

A first speaker 108 installed on the left side of the upper rear side of the terminal case 121;

A second speaker 109 installed at a right side of an upper rear side of the terminal case;

A switching switch (106) for coupling the first speaker or the second speaker with the modem according to a user's selection;

A microphone 111 that transmits a user's voice input to the modem and is installed at a lower rear side of the terminal case;

And a codec 105 for processing signals input and output from the speaker and the microphone.

The second embodiment having such a configuration has the same basic configuration as that of the first embodiment, and is characterized by two speakers and different positions of the speakers.

Next, the operation of the information terminal case system according to the second embodiment of the present invention having such a configuration will be described.

First, the user selects the change-over switch 106 depending on whether he is left-handed or right-handed, that is, whether the user mainly receives the call with his left or right hand, thereby enabling the desired speaker.

That is, if the left handed, select the first switch 108 of the upper rear left of the case system 100, and if the right handed, select the switching switch 106 to select the second speaker 109 of the upper rear right. .

In addition, the changeover switch 106 may be modified in various ways, and may be selected so that both speakers 108 and 109 make a sound. The signal line from the codec 105 may be transferred to both the speakers 108 and 109, and a person skilled in the art may easily perform the detailed description.

Then, as described above, the speaker operates in the state selected by the switching switch, and the user can conveniently hold the case system 100 and make a call.

8 illustrates a call state at this time.

Other operations are the same as in the first embodiment and thus will be omitted.

In this case, in order to further reduce the cost by eliminating the changeover switch 106, one speaker may be selected in advance or both speakers may be selected and manufactured to operate.

9 shows a third embodiment in which a speaker is mounted on the upper left side of the rear of the case system. Also, FIG. 10 illustrates a fourth embodiment in which a speaker is mounted at the upper right side of the rear of the case system. In the third and fourth embodiments, a speaker is selected in advance, so a desired model can be bought and used.

In addition, a model in which two speakers are connected to both sides for convenience of reception is not shown in the drawing because the external view is the same as in FIG.

This fifth embodiment is advantageous in terms of cost compared to the second embodiment because it is manufactured in advance so that both speakers can operate without a switch.

Embodiments of the present invention in the above process is possible in a variety of modifications, the position of the microphone is also located on the side of the left, right like the position of the speaker can be adjusted to facilitate the call.

This is shown in Fig. 11 as a sixth embodiment.

As shown in Fig. 11, the information terminal case system according to the sixth embodiment of the present invention transmits a user's voice input to the modem in the fifth embodiment, and includes a first microphone (e.g. 1101 and the second microphone 1102 installed on the left side of the lower rear side of the terminal case are installed.

In addition, although the earphone is not described, the earphone may also be applied to the case system of the present invention to improve user convenience.

In addition, the present invention can be applied by those skilled in the art not only an information terminal but also other fields.

As described above, in the embodiment of the present invention, by purchasing only the information terminal case system, it is possible to provide an information terminal case system that is equipped with an information terminal to the case system, and can conveniently make calls without earphones.

In particular, the present invention can select the location of the speaker so that the wrist is not overwhelming and convenient communication is possible.

Claims (11)

In the information terminal case system 100 in which the information terminal 200 is detachable, An interface unit 101 for interfacing the telephone transmission information of the information terminal; A modem (104) for modulating the telephone transmission information input through the interface unit in accordance with a wireless communication environment and demodulating the received telephone related information; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for processing a voice signal transmitted and received from the modem; A microphone 111 which receives a user's voice and delivers it to the codec; An information terminal case system including a speaker (108) for outputting a signal processed by the codec as a voice. The method of claim 1, The speaker 108 is located at the top rear, the microphone 111 is an information terminal case system, characterized in that located at the bottom rear. The method of claim 2, The speaker 108 is located at the right center of the rear rear, the microphone 111 is located on the bottom right center of the rear information terminal case system. In the information terminal case system 100 in which the information terminal 200 is detachable, An interface unit 101 for interfacing the telephone transmission information of the information terminal; A modem (104) for modulating the telephone transmission information input through the interface unit in accordance with a wireless communication environment and demodulating the received telephone related information; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for processing a voice signal transmitted and received from the modem; A microphone 111 which receives a user's voice and delivers it to the codec; A speaker 901 for outputting a signal processed by the codec as a voice, The speaker (901) is located on the upper left edge of the rear, the microphone is an information terminal case system, characterized in that located in the center of the lower back. In the information terminal case system 100 in which the information terminal 200 is detachable, An interface unit 101 for interfacing the telephone transmission information of the information terminal; A modem (104) for modulating the telephone transmission information input through the interface unit in accordance with a wireless communication environment and demodulating the received telephone related information; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for processing a voice signal transmitted and received from the modem; A microphone 111 which receives a user's voice and delivers it to the codec; A speaker 1101 for outputting a signal processed by the codec as a voice, The speaker (1101) is located on the upper right edge of the rear, the microphone is an information terminal case system, characterized in that located in the center right bottom. In an information terminal case system in which guide pieces for supporting an information terminal are provided on both sides of the front surface, and the information terminal is detachable, A modem 104 for wireless communication; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for voice processing a signal transmitted and received from the modem; A first speaker 108 installed at a left side of an upper rear side of the terminal case; A second speaker 109 installed at a right side of an upper rear side of the terminal case; A switching switch (106) for coupling the first speaker or the second speaker with the codec according to a user's selection; Information terminal case system for transmitting a user's voice input to the codec, and comprises a microphone (111) installed in the lower rear of the terminal case. The method of claim 6, The first speaker 108 is located on the upper left edge of the rear, the second speaker (109) is an information terminal case system, characterized in that located on the upper right edge of the rear. The method of claim 7, wherein The microphone (108) is an information terminal case system, characterized in that located at the bottom right center. In an information terminal case system in which guide pieces for supporting an information terminal are provided on both sides of the front surface, and the information terminal is detachable, A modem 104 for wireless communication; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for voice processing a signal transmitted and received from the modem; A first speaker 108 installed at a left side of an upper rear side of the terminal case and coupled to the codec; A second speaker 109 installed at a right side of a rear upper side of the terminal case and coupled to the codec; Information terminal case system for transmitting a user's voice input to the modem, including a microphone (111) installed in the lower rear of the terminal case. The method of claim 9, The first speaker (108) and the second speaker (109) is an information terminal case system, characterized in that simultaneously operating in accordance with the signal of the codec (105). In an information terminal case system in which guide pieces for supporting an information terminal are provided on both sides of the front surface, and the information terminal is detachable, A modem 104 for wireless communication; An antenna (102) for converting an output signal of the modem into a wireless signal and transmitting the converted signal to a wireless cable; A codec 105 for voice processing a signal transmitted and received from the modem; A first speaker 108 installed at a left side of an upper rear side of the terminal case and coupled to the codec; A second speaker 109 installed at a right side of a rear upper side of the terminal case and coupled to the codec; A first microphone 1101 which transmits a user's voice input to the modem and is installed at the lower left side of the rear of the terminal case; An information terminal case system for transmitting a user's voice input to the modem and including a second microphone (1102) installed at the lower left side of the rear of the terminal case.