JP2001036653A - Communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a transmission right from being shifted in message communication by providing a message transmitting means to transmit a prescribed message to a message transmission function when a request for message transmission is not caused after receiving a message. SOLUTION: When a user gives the transmission instruction of a transmitting message, a display control means 57 transmits a message and stops a timer means 58. When the transmission instruction of the transmitting message is not given by the user, monitoring whether the means 58 is time up or not is continued. Then when the means 58 is time up while the transmitting message is not given by the user, a message transmission control means 56 transmits a prescribed message. Namely, a message to be used only for shifting a transmission right is transmitted. When the transmission is completed, an ACK signal showing that the message is rightly received, which is returned from an opposite side, is waited and this signal is received. In addition, a READY signal indicating the preparation completion for the message reception is transmitted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a communication terminal such as an HS (Personal Handy Phone System) terminal.

[0002]

2. Description of the Related Art Conventionally, a mobile phone or a PHS terminal has a message communication function, and message communication is performed when the other party has a device corresponding to the message communication.

[0003]

In the case of performing message communication using the above-described message communication function, the right to transmit a message is transferred to the side that has received the message. Therefore, there is no problem when transmission and reception are alternately repeated, but when a message is transmitted and no message is returned from the other party, no further message can be transmitted. As a countermeasure against the above case, there is no other way but to call again after disconnecting the line, which is troublesome.

Further, when transmitting and receiving a message as described above, it is possible to change a display format and a display mode according to a change in a situation, such as displaying a message related to transmission and reception or creating a message to be transmitted. Requested.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the conventional communication terminal and has been made in response to the above-mentioned demands. An object of the present invention is to provide a communication terminal in which the communication terminal is not used. Another object of the present invention is to provide a communication terminal capable of changing a display format and a display mode according to a change in a message transmission / reception situation.

[0006]

According to the present invention, there is provided a communication terminal comprising a message transmitting means for transmitting a message and a message receiving means for receiving a message, wherein the message receiving means receives the message after the message receiving means receives the message. A message transmission control means for transmitting a predetermined message to the message transmission means when a transmission request does not occur is provided. As a result, a predetermined message is transmitted without the user's awareness, and the transmission right can be transferred to the other party.

A communication terminal according to the present invention is a communication terminal for transmitting and receiving a message, in which display means for displaying the message and display mode information for realizing a plurality of display formats and display modes of the message on the display means are stored. Display mode information storage means, input means for selecting a display mode for realizing a display format / display mode, and display mode information stored in the display mode information storage means in accordance with the selection by the input means. Display control means for displaying a message on the display means in a display format and display mode based on the display form. Thus, in the case of message communication, it is possible to display a message in a desired display format and display mode and perform processing.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A communication terminal according to an embodiment of the present invention will be described below with reference to the accompanying drawings. In each drawing, the same components are denoted by the same reference numerals, and redundant description will be omitted. In the following description, a PHS terminal is taken as an example, but other communication terminals such as a mobile phone can be similarly configured. This P
As shown in FIG. 1, the HS terminal includes a radio unit 1 having an antenna 11, a modem unit 2, a TDMA unit 3, a communication unit 4, a control unit 5, and a power supply unit 7. The control unit 5
Has an operation unit 51 composed of various keys and the like,
A D (liquid crystal display) 52 and an LCD controller 53 for controlling the D, a sounder 54 for generating a ringing tone, and a vibrator 59 for notifying an incoming call by vibration are connected.

In the above PHS terminal, the home base station BSH
Alternatively, a radio frequency signal arriving from the public base station BSP is received by the antenna 11 and reaches the reception unit 13 via the high frequency switch (SW) 12 of the radio unit 1. In the receiving unit 13, the radio frequency signal received as described above is mixed with a receiving local oscillation signal generated from the frequency synthesizer 14 and converted into a receiving intermediate frequency signal. The local oscillation frequency generated by the frequency synthesizer 14 is instructed by the control unit 5 according to the radio channel frequency. The radio unit 1 includes a reception electric field strength detection unit (RSS).
I) 16 is provided. This reception electric field strength detection unit 1
6 is a home base station BSH or a public base station BS
The received electric field strength of the radio frequency signal arriving from P is detected, and the detected value is notified to the control unit 5.

The received intermediate frequency signal output from the receiving section 13 is sent to the digital demodulation circuit 21 of the modem section 2. The digital demodulation circuit 21 digitally demodulates the received intermediate frequency signal, thereby reproducing a digital communication signal.

The TDMA decoder 31 of the TDMA unit 3
In accordance with an instruction from the control unit 5, a digital communication signal is extracted from a time slot assigned to the own device, and the extracted digital communication signal is transmitted to the communication unit 4. The communication unit 4 uses an adaptive differential PCM codec (ADPCM-COD).
EC) 41 and a PCM codec (PCM-CODE)
C) 42, and the digital speech signal is sequentially decoded by the adaptive difference PCM codec 41 and the PCM codec 42 to reproduce an analog speech signal.
The reproduced analog call signal is output from the speaker 43 after being amplified by a receiver amplifier (not shown).

On the other hand, the transmitted voice input to the microphone 44 is sequentially encoded by the PCM codec 42 and the applied differential PCM codec 41 to be a digital speech signal. In the TDMA encoder 32, the digital speech signal transmitted from the adaptive difference PCM codec 41 is inserted into a time slot specified by the control unit 5 and transmitted to the digital modulation circuit 22. In the digital modulation circuit 22, the carrier signal is modulated by the digital communication signal, and the modulated signal according to the modulation result is transmitted to the transmission unit 15. In the transmitting section 15, the modulated signal is mixed with the transmitting local oscillation signal generated from the frequency synthesizer 14 to be frequency-converted to the radio channel frequency instructed by the control section 5, and further amplified to a predetermined transmission power level. Is done. Then, the radio frequency signal transmitted from the transmission unit 15 is transmitted from the antenna 11 to the home base station BSH or the public base station BSP via the high frequency switch 12.

The power supply unit 7 includes a battery 71 composed of a secondary battery.
And the output voltage of the battery 71 is changed to a predetermined operating voltage Vcc.
And a power supply circuit 72 for converting the power supply to In the above, the transmission unit 15, the digital modulation circuit 22, and the TDMA encoder 32 constitute a transmission system for transmitting data such as a message, and the reception unit 13, the digital demodulation circuit 21, and the TD
The MA decoder 31 constitutes a receiving system for receiving data such as a message, and the transmitting system and the receiving system constitute a message transmitting means for transmitting a message and a message receiving means for receiving a message, respectively. The message is created by the operation unit 51. The operation unit 51
A character input unit such as a touch panel is provided in addition to the key input unit. The message to be transmitted, which is input by operating the operation unit 51, is transmitted from the control unit 5 through the path of the TDMA encoder 32, the digital modulation circuit 22, and the transmission unit 15.
On the other hand, the received message is provided to the control unit 5 through a path of the receiving unit 13, the digital demodulation circuit 21, and the TDMA decoder 31.

The control unit 5 includes a detection unit 55 for detecting the end of the message reception by the message reception unit, a message transmission control unit 56 for controlling message transmission, and a display on the LCD 52 via the LCD control unit 53. A display control means 57 for controlling and a timer means 58 for measuring a predetermined time are provided. Further, the control unit 5 is connected to a storage unit 6, which stores a message, and stores display mode information for realizing a plurality of display formats and display modes of the message on the LCD 52 as display means. Display mode information storage means 61 is provided. The control unit 5 is configured as shown in FIGS.
1. By executing the program of the flowchart shown in FIG.

The operation in the case of message communication will now be described with reference to FIG. The message communication starts, a message sent from the communication terminal of the other party is received, and the receiving unit 13, the digital demodulation circuit 21, the TDMA decoder 3
The data is received by the control unit 5 through the path 1 (S1). In response, the control unit 5 returns an ACK signal indicating that the message has been correctly received (S2), and receives a READY signal indicating completion of preparation for receiving a message sent from the other communication terminal. (S3). here,
Upon receiving the READY signal, the detection means 55 detects that the message reception has been completed, and
8 is started (S4). The timer means 58 times out after a predetermined period of time such as starting transmission of a return message after receiving a message in normal message communication, and is stopped when message transmission is performed.
Of course, the control unit 5 may detect the length of the received message (such as the number of bytes of the message) and change the predetermined time according to this length. In this way, it is possible to control the appropriate transition time of the transmission right by taking into account the reading time depending on the length of the message.

Next, the display control means 57 is connected to the timer means 5
It is monitored whether or not 8 has timed out (S5). If the time has not elapsed, it is detected whether a transmission message has been prepared by the user and a transmission instruction has been given (S6). As a result of the detection, when the user prepares a transmission message and gives a transmission instruction, the display control unit 57 transmits the message and stops the timer unit 58 (S
7). If the result of the detection in step S6 is that there is no transmission instruction of the transmission message by the user, the flow returns to step S5 to continue monitoring whether the timer means 58 has timed out.

If the timer 58 has timed out without a user's instruction to transmit a message, the message transmission controller 56 transmits a predetermined message (S8). Specifically, a message (for example, “Please send the next message.”) Used only for transferring the transmission right is created in advance and saved in the storage unit 6 (created by the user). Instead of the storage unit 6 as default information on the manufacturer side.
May be stored. ), And read and transmit it. When the transmission is completed, it waits for an ACK signal indicating that the message returned from the other party has been correctly received, and receives this signal (S9). Further, a READY signal indicating completion of preparation for receiving a message is transmitted (S10). As a result, the right to transmit a message to the other PHS terminal, that is, the transmission right can be shifted.

As described above, when the transmission right is transferred to the partner PHS terminal, a message waiting state is entered (S
11) When a message arrives from the partner PHS terminal, the process proceeds to message reception in step S1. Further, if a line disconnection operation is performed in a message waiting state, the connection with the line is disconnected and the state shifts to a waiting state as a PHS terminal.

Next, a modification of the above embodiment will be described. FIG. 3 is a flowchart illustrating an operation of message communication performed by the PHS terminal according to the first modification. In this modified example, the content of the message related to the message transmission in step S15 is different from the above embodiment. That is, in this embodiment, a message for transferring the transmission right is not created and stored in advance, but the previously transmitted message in this communication is stored in the storage unit 6, and Send

However, when the line is disconnected, the previous message is not a message for shifting the transmission right. Therefore, immediately after the shift to the message communication, there is no message for shifting the transmission right. For example, the user creates in advance a message used only for shifting the transmission right and saves the message in the storage unit 6. Alternatively, instead of being created by the user, the manufacturer stores it in the storage unit 6 as default information and uses it.

According to this modification, the P which obtains the transmission right
In the HS terminal, the message transmitted last time is sent again and displayed, so that it is possible to confirm that the transmission right has been transferred to itself.

Next, a second modification will be described. FIG.
15 is a flowchart illustrating an operation of message communication performed by a PHS terminal according to a second modification. In this modified example, the content of the message related to the message transmission in step S16 is different from the above embodiment. In this embodiment, a dummy message is transmitted as a message for transferring the transmission right. That is, although the message is created based on the format of the transmission message, the data is configured without including the data in the area where the character data in the format is set, and the message is transmitted.

According to the second modification, the PHS terminal that obtains the transmission right receives the message and receives it, but the character format is not included in the format of the transmission message. Since the screen does not display any message, it is possible to confirm that the transmission right has been transferred to the user.

It is to be noted that the PHS terminal is provided with a program so that it can perform all the processes of the above-described embodiment and the first and second modifications thereof, and performs any one of these processes. May be selected. That is, a screen for selecting a message communication processing mode is held in the display control means 57, and in the case of initial setting, for example, a predetermined message such as a message created, a previous message is transmitted, a dummy message is transmitted. One of the three candidates for transmitting the message is selected by inputting a numeral or the like.

Next, the display control performed by the display control means 57 during the message communication will be described. As shown in FIG. 5, the display mode information storage means 61 of the storage unit 6 stores a program as display mode information for realizing a plurality of display formats and display modes of a message. That is, as the display mode on the screen, there are screen split display, transmission / reception screen automatic switching, and transmission / reception screen manual switching, and any one of them is selected. In each of the above, as shown after the broken line, display / non-display of destination identification information such as a telephone number, execution / non-execution of a line feed on a transmission screen, execution / non-execution of a transmission right display are respectively performed. Is prepared.

The control unit 5 starts a program corresponding to the flowchart shown in FIG. 6 in the case of the initial setting, and executes a display mode selection process. That is, when the program is started, the display mode selection menu is displayed on the LCD.
It is displayed on the screen 52 (S21). At this time, LCD
On the screen 52, for example, a display as shown in FIG. 7 is performed. In this display example, the cursor C1 indicates that the screen is divided into two, and the display of the destination identification information is performed.
Execution of a line feed on the transmission screen and execution of transmission right display have been selected. In order to change this state, the cursor key is operated to move the cursor C1 to a desired display mode, and the cursor key is operated to move the cursor C2 to the display format to be changed, and the arrow key or the candidate. When a key, such as a key, for instructing a change is operated, this is accepted by the control unit 5 and the change is made.

When the desired display mode can be selected as described above, the selection completion is input. The control unit 5 receives this (S22), specifies the selected program, activates the selected program as the display control unit 57, and stands by (S23).

In the above-described display mode selection process, when the screen split display is selected, the screen of the LCD 52 is split into two as shown in FIG. The lower part of the screen is a display area of the transmission message. Character input to the transmission message display area at the bottom of the screen can be performed using, for example, a key of the operation unit 51 or a character input unit such as a touch panel located below the display area.

FIG. 9 shows a display example in the above-mentioned screen split display. At the top of the screen, the received message is "ABC
... "is displayed, and the transmitted message is displayed as" Iroha ... "at the bottom of the screen. When characters are continuously input in the display area of the transmission message, FIG.
As shown in the figure, scrolling occurs in the direction of the arrow, and "CDE.
・ ・ 」Is displayed.

FIG. 11 shows an operation flow in the automatic transmission screen switching mode and a corresponding display example. The display control means 57 displays the screen of the transmission message on the LCD 52 as shown in the transmission screen G1 (S31), and the control unit 5 detects whether the message has been received (S32). When the message is received, the display control means 57 detects this and automatically switches the screen and changes the screen of the received message to the LC as shown in the reception screen G2.
It is displayed on D52 (S33). Here, it is monitored whether or not a confirmation input is made by the user (S34). When there is a confirmation input, the transmission screen G1 before switching to the reception screen G2 is displayed on the LCD 52 (S35). Similarly, when the message is received, the screen is switched to the screen of the received message, and when the confirmation is input, the screen is switched to the screen of the original transmission message. Thus, when a message is received, the received message can be viewed without any operation, and the user can return to the original screen by confirmation, which is convenient.

FIG. 12 shows the flow of operation in the transmission screen manual switching mode and a corresponding display example. The display control unit 57 causes the LCD 52 to display a screen of the transmission message as shown in the transmission screen G1 (S41), and the control unit 5 detects whether the message has been received (S42). When the message is received, the display control means 57 detects this, and causes the LCD 52 to display a screen G3 in which a reception mark RM indicating that a message has been received is added to the transmission screen G1 of the transmission message (S43).

Here, it is monitored whether or not a display request input of the message received from the user is performed (S44). During this time, the user can continue to input the transmission message. Then, when a display request is input, switching to the reception screen G2 displaying the received message is performed (S4).
5). Here, it is monitored whether or not the user inputs confirmation that the received message has been viewed (S46). When the confirmation is inputted, the transmission screen G1 before switching to the reception screen G2 is displayed on the LCD 52. It is displayed (S47). Similarly, when a message is received, the presence of a received message is displayed on the screen of the transmitted message, and when there is a display request input, the screen is switched to the screen of the received message. As a result, the presence or absence of the reception of the message can be recognized on the screen of the transmission message, and the received message can be viewed at a desired time, which is convenient without inadvertent switching of the screen.

FIG. 13 shows a transmission screen G of a transmission message.
1 is a display example of a screen G4 to which a reception mark RM indicating that a message has been received and a destination identification information ID are added.
In this case, the display control means 57 receives the destination identification information (telephone number) arriving from the network in the sequence at the time of the incoming call, and creates a screen G4 to which the destination identification information ID is added together with the reception mark RM based on this. indicate.

FIG. 14 shows a display example in which the transmission right is displayed. In this case, the message is received, and the RE indicates that the other party is ready for reception.
When the display control means 57 detects that the ADY signal has arrived, for example, a transmission right display K with a transmission right is added to the transmission screen of the transmission message to display the screen. This allows
As shown in FIG. 14, a screen is displayed in which a transmission right display K is added to a message to be transmitted. Therefore, it is convenient to know at a glance whether or not the own device has the transmission right.

FIG. 15 shows a display example in which a line feed of the transmission screen is executed. In this case, the transmission message shown in FIG. 14 is created, and when the line feed key is operated on the operation unit 51, the display control unit 57 which has detected this operation causes the upward scroll as shown by the arrow. , "AAA ... displayed on the first line
"" Disappears and "BBB ..." is displayed on the first line,
"FFF ..." can be input in the last line. As a result, the user can perform a line feed operation when desired, and input a desired message one after another to create a message for transmission, which is convenient.

In the above-described embodiment, the program shown in FIG. 5 has been described. In addition, display mode information (including a program) for realizing a plurality of display formats / display modes of a message may be provided. good. Further, the PHS terminal does not need to include all the programs illustrated in FIG. 5, and may include one or two or more.

[0037]

As described above, according to the present invention, when a message transmission request does not occur after a message is received, a predetermined message is automatically transmitted. The message is transmitted, and the transmission right can be transferred to the other party, which is convenient.

Further, according to the present invention, display mode information for realizing a plurality of display formats / display modes of a message in display is stored, and selection for selecting a display mode for realizing the display format / display mode is performed. Accordingly, the message is displayed in the display format / display mode based on the stored display mode information, so that in the case of message communication, the message can be displayed in the desired display format / display mode to perform processing. is there.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a communication terminal according to an embodiment of the present invention.

FIG. 2 is a flowchart illustrating a message transmission operation of the communication terminal according to the embodiment of the present invention.

FIG. 3 is a flowchart for explaining a message transmission operation of a communication terminal according to a first modification of the embodiment shown in FIG. 2;

FIG. 4 is a flowchart for explaining a message transmission operation of a communication terminal according to a second modification of the embodiment shown in FIG. 2;

FIG. 5 is a diagram showing an example of a program that is display mode information provided in the communication terminal according to the embodiment of the present invention.

FIG. 6 is a diagram showing a display mode selection screen in the communication terminal according to the embodiment of the present invention.

FIG. 7 is a diagram showing an example of a screen divided into two screens in the communication terminal according to the embodiment of the present invention.

FIG. 8 is a diagram showing an example of a display screen of a screen split display in the communication terminal according to the embodiment of the present invention.

FIG. 9 is a diagram showing an example of a display screen of a two-screen display in the communication terminal according to the embodiment of the present invention.

FIG. 10 is a diagram showing an example of a display screen of a screen split display in the communication terminal according to the embodiment of the present invention.

FIG. 11 is a diagram showing an example of processing of transmission / reception screen automatic switching display and an example of a display screen in the communication terminal according to the embodiment of the present invention.

FIG. 12 is a diagram showing an example of processing of transmission / reception screen manual switching display and an example of a display screen in the communication terminal according to the embodiment of the present invention.

FIG. 13 is a diagram showing a display example of a screen to which destination identification information is added together with a mark indicating that a message has been received.

FIG. 14 is a diagram showing a display example in which a transmission right is displayed.

FIG. 15 is a diagram showing a display example in which a line feed of a transmission screen is executed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Radio | wireless part 2 Modem part 3 TDMA part 4 Talk part 5 Control part 6 Storage part 51 Operation part 52 LCD 53 LCD control part 54 Sounder 55 Detection means 56 Message transmission control means 57 Display control means 61 Display mode information storage means

Continuation of the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) // G06F 13/00 353 (72) Inventor Tsutomu Tanaka 3-1-1 Asahigaoka, Hino-shi, Tokyo 1 F term in reference company (reference) 5B089 GA25 HA13 KA02 KA03 KA04 KC22 KE02 LB14 5K030 GA17 HA05 JT01 LA00 5K034 AA17 BB06 DD01 FF13 FF16 FF20 HH01 HH02 HH13 HH65 NN11 NN32 QQ05 5K024 BB01 BB11 DD02 NN18

Claims (6)

[Claims] 1. A communication terminal comprising: a message transmitting unit for transmitting a message; and a message receiving unit for receiving a message, wherein when the message receiving unit does not issue a message transmission request after receiving the message, A communication terminal, comprising: message transmission control means for transmitting a predetermined message to a transmission means. 2. The apparatus according to claim 1, further comprising timer means for detecting that a predetermined time has elapsed since the message receiving means has received the message, wherein the message transmission control means detects that the timer means has elapsed for a predetermined time. 2. The communication terminal according to claim 1, wherein when no request for message transmission occurs during the period, a predetermined message is transmitted to the message transmission unit. 3. The message transmitted by the message transmission control means to the message transmission means is a previously transmitted message.
A communication terminal according to claim 1. 4. The communication terminal according to claim 1, wherein the message transmitted by the message transmission control unit to the message transmission unit is a dummy message for transferring a transmission right. 5. A communication terminal for transmitting / receiving a message, a display means for displaying a message, and a display mode information storage means for storing display mode information for realizing a plurality of display formats / display modes of the message on the display means. An input unit for selecting a display mode for realizing the display format / display mode; and a display format / display mode based on the display mode information stored in the display mode information storage unit in accordance with the selection by the input unit. And a display control means for causing the display means to display a message. 6. The display control means performs a transmission right display on the display means indicating whether or not the message can be transmitted, according to whether the message has been transmitted or received. The communication terminal according to claim 5, wherein