JPH09237145A - Portable information devices - Google Patents

Abstract

(57) [PROBLEMS] To provide a portable information device capable of displaying necessary amount of information such as characters on an external display device even if the device does not have a display unit or the size of the display unit is small. To do. SOLUTION: An infrared transmitter 15 is provided on the mobile phone 100 side.
1 is mounted, and the infrared receiver 231 is mounted on the television receiver 200 side as an external display device. In response to the operation of the external display key 103d from the mobile phone side, the Japanese syllabary and alphanumeric character information are transmitted, and the picture tube screen 2 is displayed.
The Japanese syllabary characters and alphanumerics of the Japanese syllabary are displayed in the character input field 208 of 16s, and in response to the operation of the dial key 102 of the mobile phone, the cursor 208k is sequentially pointed to and the other party's name and telephone number are stored in the electronic telephone directory. Register with.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable information device such as a mobile phone.

[0002]

2. Description of the Related Art Conventionally, a portable telephone equipped with a display and having an electronic telephone directory function has been known, and it is possible to register the name of the other party and its telephone number in advance. , You can easily know the phone number just by inputting the name of the other party.

When inputting or registering the name of the other party in the electronic telephone directory of the portable telephone as described above, dial keys are basically used.

When inputting a name in the alphabet, the numeric key of the dial keys, for example, the "2" key is the letter "ABC", and the "3" key is the letter "DE".
"F" is assigned to each of the numbers, and similarly, 3 to 4 letters of the alphabet are sequentially assigned to each numeric key. Then, the user, for example, like the "*" key,
Select the input mode using the non-numeric keys, and press the numeric key to which the character to be input is assigned once, twice, or three times, and the sequence will be displayed on the display 1
A desired character was selected from the second, third or third character.

Among the dial keys, "1"-
There is also one in which the kana characters of the Japanese syllabary A to W of the Japanese syllabary are allotted to the numeric key of "0" and the name is inputted by the kana character as in the case of the alphabet.
In this case, the alphabet and the kana are switched by an appropriate function key.

[0006]

However, since the portability of the mobile phone is important and the display mounted on the mobile phone is inevitably small, the amount of information that can be displayed at one time is limited, which is inconvenient for the user. There was a problem that was. In particular, when registering the name and telephone number of the other party in the above-mentioned electronic telephone directory, the Japanese syllabary or the alphabet could not be displayed at one time, and the work of inputting characters was extremely troublesome and difficult.

On the other hand, in the pager device, there is a problem that a long message cannot be displayed due to the size of a small display even when using a function such as a short message service.

In view of the above point, an object of the present invention is to solve the above-mentioned problem by displaying a required amount of information such as characters on a large external display device.
There is a portable information device.

[0009]

In order to solve the above-mentioned problems, a portable information device according to the present invention is generated by the display information generating means for generating display information which can be displayed on an external display device and the display information generating means. And an information sending unit for sending the display information to the external display device.

Even if the portable information device is not provided with a display unit, or even if the size of the screen of the display unit is small and the number of information that can be displayed is small, the display information from the display information generating unit is transmitted through the information transmitting unit. , Is supplied to a display device having a large screen, and necessary information is displayed.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment in which a portable information device according to the present invention is applied to a mobile phone will be described below with reference to FIGS.

FIG. 1 shows a conceptual configuration of the present invention, and FIGS. 2 and 3 show a specific configuration of the embodiment thereof.

[Conceptual configuration of the embodiment] In FIG. 1, in a mobile phone 100, a transmitting / receiving antenna 111 is provided on the upper surface of a housing 101, and a receiver 114 is provided on the upper and lower front parts of the housing 101. And a transmitter 115 are provided. A display 132 using a liquid crystal display element, a dial key 102, and a plurality of function keys 103 are provided between the receiver 114 and the transmitter 115.

In this embodiment, an infrared transmitter 151 is arranged on the lower portion of the side surface of the casing 101, and as will be described later,
Character information input by operating the dial keys 102 is transmitted. This character information is transmitted by using a plurality of function keys 103.
Of these, it is executed by operating the external display key 103d.

On the other hand, the television receiver 200 is provided with an infrared receiving section 132 corresponding to the infrared transmitting section 151 of the above-mentioned portable telephone 100, and the received character information is stored in the picture tube as described later. It is displayed on the screen 216s. [Specific Configuration of Embodiment] In the mobile phone 100 of this embodiment, as indicated by the “Δ” mark in the vertical and horizontal directions in FIG. 2, the “2” key of the dial keys 102,
The so-called diamond cursor function is assigned to the four number keys of the “4” key, the “6” key, and the “8” key, and these four number keys are the cursor keys 102k.
It is said. Further, the "5" key at the center of the cursor key 102k is assigned the function of "enter" and becomes the enter key 102e.

The enter key 102e and the cursor key 102k are used when registering the name and telephone number of the other party in the electronic telephone directory, as will be described later.

Then, the portable telephone 10 of this embodiment
0 is electrically configured as shown in FIG. 3, for example. In FIG. 3, an audio signal system 110 includes an RF transmission / reception circuit 112 connected to an antenna 111 for both transmission and reception,
The baseband processing circuit 113 is included, and the baseband circuit 113 processes a baseband signal such as an audio signal or data for transmission or reception, and transmits / receives transmission / reception information to / from the transmission / reception circuit 112. At the same time as transmission and reception, a voice signal is exchanged between the receiver 114 and the transmitter 115.

In order to control the audio signal system 110 as described above, a control system (microcomputer) 120 is provided in the embodiment shown in FIG. That is, the microcomputer 120 is configured to include a CPU 121, a ROM 122 in which various processing routines are written, a work area RAM 123, and a data holding memory 124. These memories 122 to 124 are system buses. It is connected to the CPU 121 through 129.

In this case, the ROM 122 stores various control programs such as a telephone directory data input processing routine 300 as shown in FIGS. It is stored.

The memory 124 is a ROM capable of electrically erasing and writing data,
Alternatively, although not shown, the battery is a RAM backed up, that is, the memory 24 is a non-volatile memory so that the written data such as a telephone directory can be retained even when the power is turned off. Has been

Input / output ports 125 and 126 are connected to the CPU 121 through the system bus 129, and the key interface circuit (I / F) 12 is connected.
7 is connected.

Through the ports 125 and 126, the transmission / reception circuit 112, the baseband processing circuit 113 and the CPU 1
Control information is transmitted to and received from the control unit 21. Also,
The interface circuit 127 includes dial keys 102.
, A plurality of function keys 103a to 103n are connected.
Each of these operation keys is constituted by a non-lock type push switch.

Further, the CPU 121 has the system bus 1
A display control circuit 131 is connected through 29. A display 132 using a liquid crystal display element is connected to the control circuit 131, and the telephone number of the other party is displayed when the dial key 102 is operated or the telephone directory function is used, for example.

In addition, a time-division multiplexer (TDMA) for compressing the time axis and the data amount of a digitized audio signal is used.
The memory 141 for the ltiple access) processing is connected to the baseband processing circuit 113, and the control circuit 1
42 and the system bus 129, and is connected to the CPU 121.

In this embodiment, the infrared transmitter 151 is connected to the CPU 121 through the port 128 and the system bus 129. At the time of data input processing described later, information such as characters displayed on the picture tube screen 216s of FIG. 1 is supplied to the infrared transmission unit 151, and a built-in encoder (not shown) For example, as used in teletext broadcasting,
It is sent out in a predetermined format.

[Specific Configuration of External Display Device] Corresponding to the portable telephone 100 as shown in FIG. 3, a television receiver 200 as an external display device is configured as shown in FIG. 4, for example.

In FIG. 4, a video signal system 210 includes a tuner (tuning circuit) 21 connected to a receiving antenna 211.
2 and the video intermediate frequency circuit 213 and the demodulation circuit 214, and the video signal from the demodulation circuit 214 is
It is supplied to the picture tube 216 through the video signal processing circuit 215. Since the audio signal system is not directly related to the present invention, its illustration and description are omitted.

A control system (microcomputer) 220 is provided in the television receiver of FIG. 4 for controlling the video signal system 210 as described above.
That is, the microcomputer 220 has the CPU 22.
1. ROM 22 in which various processing routines are written
2. RAM 223 for work area, non-volatile memory 224 for holding tuning data, video R
AM (VRAM) 225, and these memories 222 to 225, through the system bus 229,
It is connected to the CPU 221.

In this case, the ROM 222 stores various control programs as well as display fonts and the like. The video RAM 225 is used for display, and a display control circuit 225C is provided for the video RAM 225.

This display control circuit 225C is used for the video RA.
The read / write of the video data to the M225 is controlled, the read video data is converted into an analog video signal, and the analog video signal is supplied to the video signal processing circuit 215. The analog video signal from the display control circuit 225C is
The video signal from the demodulation circuit 214 is output to the picture tube 216, either superimposed on the video signal or alone.

Input / output ports 226 and 227 are connected to the CPU 221 through the system bus 229, and between the tuner 212 and the port 226.
Channel selection data is exchanged.

Further, in the television receiver shown in FIG. 4, the infrared receiving section 231 has a port 227 and a system bus 22.
9, and is connected to the CPU 221 and data from the outside is taken into the microcomputer 220. When the character information sent from the infrared transmitter 151 of the mobile phone 100 is received by the infrared receiver 231 of the television receiver, the corresponding character is displayed on the picture tube 216 through a built-in decoder (not shown). Is displayed on the screen.

[Phonebook Data Input Process of Embodiment] Next, the phonebook data input process of the embodiment of the present invention will be described with reference to FIGS. 5 and 6.

In the telephone directory data input routine 300 of FIG. 5, in the first step 301, the operation of the external display key 103d by the user is waited for, and the external display key 103d is waited for.
When is operated, the process proceeds to step 302, and character information corresponding to the telephone directory menu is sent to an external display device, in this embodiment, the television receiver 200.

On the screen 216s of the picture tube, for example, 1. New registration (addition) 2. Change 3. Delete 4. Various items of the phonebook menu are displayed, such as history.

If, for example, "new registration" is selected from the menu items as described above in step 303, the process proceeds to step 304 and the character information corresponding to the selected item is sent to the television receiver 200. Send out. Then, an input character display field 207 and a character input field 208 are displayed on the picture tube screen 216s, for example, as shown in FIG.
In this character input field 208, Japanese syllabary characters of Japanese syllabary are displayed and, for example, commands such as “Katakana”, “alphanumeric characters”, and “end” are displayed.

The above-mentioned display character information for an external display device is read from the ROM 122, for example.

Then, the processing of the two subroutines 310 and 320 of inputting the name of the other party and inputting the telephone number of the other party are sequentially performed, and the routine 300 ends.

As shown in FIG. 6A, in the name input subroutine 310, first, in step 311, a message prompting the input of the name of the other party is transmitted. This message is transmitted to the television receiver 200 as shown in FIG.
Is displayed on the picture tube screen 216s.

When the name input message is sent, the process proceeds to step 312, waits for the operation of the cursor key 102k as described above, and while the user operates the cursor key 102k while watching the picture tube screen 216s, the next In step 313, the cursor position information is transmitted.

Corresponding to this cursor position information, on the picture tube screen 216s of the television receiver 200, the cursor 208k moves up, down, left and right in the character input field 208, and as shown in FIG. One character to do, for example,
“Ko” is highlighted.

In the next step 314, as described above,
With the cursor 208k stopped on the desired character, wait for the operation of the enter key 102e by the user,
When the enter key 102e is operated, step 315
Then, the desired character pointed by the cursor 208k, for example, "ko" is input and the corresponding character information is transmitted.

The input characters are sequentially displayed in the input character display field 207 of the picture tube screen 216s of the television receiver 200 as shown in FIG.
No. 00 liquid crystal display element 132 is also displayed.

From step 315, the next step 31
6, the process proceeds to step 316 even if the enter key 102e is not operated in the previous step 314. In this step 316, it is checked whether or not the "end" command in the character input field 208 of the picture tube screen 216s of the television receiver 200 is pointed. If "end" is not pointed, step 3
Return to 12.

The name input process of steps 312 to 315 by the cursor key 102k and the enter key 102e is repeated until "end" is pointed at step 316. When all the characters of the other party's name have been input and "End" is pointed to, steps 317, 3
In step 18, the name of the other party is confirmed, the sending of the message prompting the input of the name is stopped, and the name input subroutine 310 is ended.

The name input subroutine 310 as described above.
Similar to, cursor key 102k and enter key 1
Using 02e, enter the name in alphabet,
You can also enter a phone number. In this case, by pointing to the “alphanumeric” command in the character input field 208 of the picture tube screen 216s of the television receiver 200, the alphabet and numbers are displayed in the character input field 208.

In this embodiment, as shown in FIG. 6B, the telephone number is directly input using all the numeric keys of the dial keys 102. As the key corresponding to the “end” command, one of the non-numeric keys, such as the “*” key, of the dial keys 102 is set as the end key.

Subroutine 32 for inputting telephone number of FIG. 6B
At 0, in the first step 321, a message prompting the input of the telephone number of the other party is transmitted. This message is displayed on the screen of the external display device as described above.

When a message for inputting a telephone number is sent,
The process proceeds to step 322, waits for the operation of the dial key 102, and when the user operates the dial key 102, in the next step 323, it is checked whether the operated key is a numeric key.

When any number key is operated, the process proceeds to step 324, where the number of the operated key is input and the corresponding character information is sent out. The entered numbers are
Similar to the case of the kana character, the liquid crystal display element 132 of the mobile phone 100 is sequentially displayed in the input character display field 207 of the picture tube screen 216s of the television receiver 200.
Is also displayed.

From step 324 to the next step 325
When the numerical key is not operated in the previous step 323, the process proceeds to step 325. In this step 325, it is checked whether or not the end key such as "*" of the dial keys 102 has been operated. If the end key is not operated, step 3
Return to 22.

The input of the telephone number in steps 322 to 324 by the numeric keys of the dial keys 102 is repeated until the end key is operated in step 325.
When all the numbers of the other party's telephone number have been entered and the end key is operated, the process proceeds to steps 326 and 327 to confirm the other party's telephone number and stop sending a message prompting for the telephone number to be entered. The telephone number input subroutine 320 ends.

As described above, in this embodiment, when the desired character information such as the name or telephone number of the other party is input on the side of the portable telephone, all the required characters such as the Japanese syllabary are input. By transmitting the character information to the television receiver side as an external display device in a predetermined format through a predetermined transmission interface such as infrared transmission, all the information required for the large picture tube screen 216s is transmitted. The characters can be displayed in an easy-to-see manner, and desired character information can be easily input.

[Other Embodiments] In the above-described embodiments, the present invention is applied to a mobile phone, infrared rays are used for a character information transmission interface, and a television receiver is used as an external display device. Although the case where it is used has been described, a television receiver without a built-in tuner can be used as the external display device. Also, as a transmission interface, RS232C
It is also possible to display all required characters in a legible manner on a large screen of a personal computer display by using, for example.

As described above, when the personal computer, the television receiver, or the television receiver is used as the external display device, part of the display control of the character information can be burdened on the external display device side.

When the present invention is applied to an optical disc device such as a mini disc or a compact disc, the table of contents (TOC) of the recorded contents of the optical disc is easily displayed on the large screen of the external display device as described above. You can also do it.

When the mobile phone receives the incoming telephone number display service, when receiving an incoming call, the telephone number of the other party can be easily displayed on the large screen of the external display device as described above.

In the above-described embodiment, the characters are displayed on the external display device, but the information to be displayed may be dot matrix information such as pictures and moving images. In this case, the format is "WW" of the Internet.
It is also possible to use "HTML" or "JAVA" used in "W".

Further, when the present invention is applied to a pager device, the above-mentioned large screen of the external display device is
The received message can be displayed in an easy-to-read manner, and the multimedia information such as a picture or a moving image can also be displayed in an easy-to-see manner.

[0060]

As described above, according to the present invention, information such as all necessary characters, such as the Japanese syllabary, is transmitted on the portable information equipment side by a predetermined transmission such as infrared transmission. By transmitting it to the external display device side through the interface, it is possible to display all the necessary characters and other information on the large screen in an easy-to-see manner. It can be easily processed.

[Brief description of drawings]

FIG. 1 is a conceptual diagram showing a configuration of an embodiment of the present invention.

FIG. 2 is a front view showing the mechanical structure of the embodiment of the present invention.

FIG. 3 is a block diagram showing an electrical configuration of an embodiment of the present invention.

FIG. 4 is a block diagram for explaining the present invention.

FIG. 5 is a flowchart for explaining the operation of the embodiment of the present invention.

FIG. 6 is a flowchart for explaining the operation of the embodiment of the present invention.

[Explanation of symbols]

100 ... Mobile phone, 102 ... Dial key, 102e
... Enter key, 102k ... Cursor key, 103 ... Function key, 103d ... External display key, 111 ... Antenna,
132 ... Liquid crystal display element, 151 ... Infrared transmitter, 200
... Television receiver, 207 ... Input character display column, 20
8 ... Character input field, 208k ... Cursor, 216s ... Picture tube screen, 231 ... Infrared receiver, 300 ... Phonebook data input routine, 310 ... Name input subroutine, 320
… Telephone number input subroutine

Claims (4)

[Claims] 1. A display information generating means for generating display information which can be displayed on an external display device, and an information transmitting means for transmitting the display information generated by the display information generating means to the external display device. A portable information device comprising: 2. The portable information device according to claim 1, wherein said information transmitting means includes an infrared light emitting element. 3. The display information generating means generates an information input means including an operation key and display information according to an input operation through the operation key in the information input means and supplies the display information to the information sending means. The portable information device according to claim 1, further comprising information transmission control means. 4. The portable information device is a mobile phone,
The portable information device according to claim 1, further comprising a storage unit that records the dial number information by an input operation through the operation key of the information input unit.