JPH06197065A - Call trigger pager system - Google Patents

Abstract

PURPOSE:To prevent mis-recognition of an opposite party by storing call codes of a concerned station and plural opposite party stations and using a call code to execute pager communication by a DTMF signal and displaying the call code. CONSTITUTION:Call codes of a concerned station and plural opposite party stations are stored in a storage section 5 and when a call trigger pager mode is selected as the communication mode, a call code of an opposite party station is read from the storage section 5 and the code is edited into a DTMF call code and it is sent. On the other hand, the opposite party station receiving the code automatically switches the communication mode to the call trigger pager mode when the call code of the opposite party station is included and collates thecall station call code with the call code stored in its memory and displays the code onto a display section 6 when they are coincident and enters the communication state in the call trigger pager mode. When the communication is finished, the call trigger pager mode of the opposite party station is automatically released and restored to the original communication mode, thus, mis-recognition of an opposite party due to the use of a numeral only is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trigger pager system using a DTMF code in a radio station communication device.

[0002]

2. Description of the Related Art Conventionally, a radio paging system (paging system) allows a person out of a base station to carry a small portable receiver and wirelessly notify a ringing tone like a ringing tone of a telephone. This calling method is widely used. There is a trigger pager system that uses this method for communication and calls and waits within an individual and a specific group.

[0003]

[Table 1]

As shown in Table 1, a DTMF signal for paging is used in the trigger pager system, and numbers and alphabets are created by combining seven types of low frequency signals. The normal trigger pager call signal assigns a 3-digit number to the group, stores its own code, for example, "123" in the memory, and stores multiple partner stations "345", "789", "658", etc. Remember. Normally, communication is performed only with the partner station stored in the memory, and the calling code is a code with the DTMF code added. That is, it is a calling code consisting of seven characters of "789 * 123", and this signal is received by the "123" station, and if "123" is in the memory, the code of "123 * 789" is constructed and transmitted. , "123" If the signal is confirmed on the station side, the trigger pager operation is started and the call becomes possible.

[0005]

In the case of the conventional pager system, the head portion of the transmission signal is transmitted each time transmission is performed in a state where communication is possible after the transmission code is transmitted.
It was very unpleasant to listen to because the code code such as "123 * 789" or "789 * 123" always came in. Moreover, since a number is assigned to judge the partner station, it is necessary to always remember the relationship between the code number and the call code of the partner station, which is very inconvenient.
In order to solve the above problems, the present invention is configured so that a pager uses a call code of the partner station and its own station using 6 characters each, and sends and receives with 13 characters including the DTMF code *, and the display is also the call code. Can be displayed directly, and the purpose is to eliminate the call code sound when communication is possible with the call trigger pager operation.

[0006]

[Means for Solving the Problems] When a call code and a plurality of communication partner station call codes are stored in a wireless communication device and a call trigger pager is selected, the partner station call code is read out and organized into a DTMF call code. The partner station having means for transmitting the transmitted wave automatically recovers the communication mode from the state of the call trigger pager to the original communication mode when the own station call code is included. If there is a matched code, the call code of the partner station is displayed on the display and a DTMF call code composition signal is sent. The calling station receives the signal from the partner station, compares it with the call code in its own memory, and if there is a match, displays the partner station call code on the display unit, and the call trigger pager operates. Enter the communication state. After that, when the communication ends and a predetermined time elapses, the called station is automatically configured to release the call trigger pager and restore the original communication mode.

[0007]

[Function] When the calling station tries to communicate with the call trigger pager, after setting the transmission channel, the communication mode is set to the call trigger pager, and when the memory address numbers are sequentially input from the keyboard, the partner station stored in the storage unit is stored. Call codes are displayed one after another. If the displayed call code is the partner station desiring to talk, press the PTT switch. The transmission signal is the partner station's call code, DTM
The F code * and the local call code are transmitted in sequence. On the other hand, when the partner station's call trigger pager is received, the other station automatically switches to the call trigger pager mode in either normal communication mode, pager mode or trigger pager mode, and the calling station call code Are stored in the memory and sequentially compared with the previously stored memory. If they do not match, the original communication mode is restored. If there is a match with the memory call code, the calling station call code is displayed. Then PT
When T is pressed, the calling station call code * code and the own station call code are transmitted, and the call trigger pager operation is performed.
Only when the calling station receives the call code, the call trigger pager operation is set between them and the communication state is established. When the call ends, the partner station automatically returns to the mode immediately before the call trigger pager mode was switched.

[0008]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a wireless communication device for explaining the present invention. Explaining the figure in detail,
In the figure, 1 is an antenna, 2 is a transmitting unit, 3 is a receiving unit, 4 is a control unit that performs all control including control of a wireless unit and signal discrimination, 5 is a rewritable storage unit, and 6 is a display unit. , 7 is a low frequency amplifier, 8 is a speaker, 9 is a DTMF receiver for converting a voice signal into a digital number or character, 10
Is composed of a DTMF generator for converting digital data of numbers or characters into a voice signal.

In the storage unit 5 of this radio communication device, the call code of its own station and a plurality of partner stations with which communication is desired are stored in advance as call codes of 6 characters or less. The storage unit 5 is provided with a plurality of memories such as memory 0 to memory 9 and M. As for the memory method, as shown in FIG. 4, station A, which is its own station, stores its own call code JEIOSX in memory M.
Remember. In addition, the communication partner station stores the JFI in the memory 1.
NWL, memory 2 is NEGISI, memory 3 is TOKY
It is possible to store up to O1, ... And the memory 7. The memory 0 is a memory for temporarily storing the call code of the station called by the partner station in the received signal. The memory 9 is a memory for storing the call code of the partner station in the received signal. The memory 8 is a memory that is not always stored in the memories 1 to 7 and is stored when a call is made in response to a call from the partner station, and the latest call code of the other party other than the memories 1 to 7 is written or rewritten. Even it is stored in memory.

In the other station B of FIG. 4, the call code J of the station B
AIYOE is stored in the memory M, the call code of the communication partner station is stored in the memory 1 up to PMPNPO, the memory 2 up to JEIOSX, the memory 3 up to YOUMIY ... and the memory 7 This storage means is input to the memory from a keyboard (not shown). And write. Next, the calling operation of the call trigger pager will be described with reference to the block diagram of the wireless communication device of FIG. 1 and the flowcharts of FIGS.

The flowchart of FIG. 2 is a flowchart for calling the other station by the call trigger pager system to make a call, and FIG. 3 is the flowchart for being called and making a call by the call trigger pager system.
A predetermined call channel is set in the transmitter 2 and the receiver 3. Next, in step 102 of FIG. 2, the call selection mode is set to the call trigger pager. Call the other party to JFI
In the case of an NWL station, when a memory address is specified from a keyboard (not shown), the memory address data is sent from the control unit 4 to the storage unit 5, the process 103 is executed, and the J of the memory 1 is executed.
Read FINWL. Thereafter, this call code is processed 104 in JFINWL, DTMF code *, JEIOS.
Organized into a 13-character DTMF call code consisting of Xs. That is, the front 6 characters are the calling party call code and the rear 6 characters are the calling station call code across the DTMF code *. PTT (Push To Tal not shown)
k) When the switch is pressed to transmit, the call code of the control unit 4 is converted by the DTMF generator 10 into a digitized character or number as shown in Table 1 and transmitted. While the DTMF call code is being transmitted, a two-tone intermittent tone of “Plururu, Purururu, Purururu” is generated. After the transmission, the judgment box 107 is executed, and if there is no received signal, a warning sound of "Poo-poo" is issued in processes 113 and 114, "NO CALL" is displayed on the display unit 6, and the process 11
9 and 120 are executed to return to the initial state. On the other hand, if it is judged in the judgment box 107 that there is reception, the voice signal detected by the reception section 3 is converted into a digital number or character by the DTMF receiver 9 and enters the control section 4, and in the judgment box 108 a call of 13 characters is formed. Determine if it is a trigger pager. When it is judged as a call trigger pager, the front part of the DTMF code * is stored in the memory 0 and the rear part is stored in the memory 9 and the judgment boxes 109 and 110 are used to match the call code of the own station and the call code of the partner station with the contents of the memory. If it is, the ringing tone "Lirin, Ririn" is sounded and the operation of the call trigger pager is started. This operation does not switch the call trigger pager operation even if the DTMF call code of the call of the own station is received from another. After 3 seconds from the end of the call, the operation status of the call trigger pager is restored. In the case of a call code different from the calling station in the judgment box 110 and not stored in the memories 1 to 7, the display of the display unit is changed to the received call code in the processing 116 and displayed, and in the processing 117 The call code is rewritten in the memory 8. Furthermore,
D by this call code by processing 118 and 119
The TMF call code is organized and transmitted. After that, the call can be made by the call trigger pager operation. If the decision boxes 108 and 109 are negative, the call trigger pager cancels the call and restores the initial state.

[0012] In contrast to the above-mentioned calling side, the other station side is shown in FIG.
In the counterpart station C station call code JFINWL according to the flowchart of FIG. 4, there is a reception signal in the reception unit 3, and the voice-detected signal is the DTMF receiver 9
Are converted into numbers or characters. A judgment box 202 for judging whether or not the character is a DTMF call code having 13 characters
Determine with. If it is a DTMF call code, the judgment box 20 with the data of the DTMF call code held
3 is executed, the currently set communication mode is switched to the call trigger pager and the previous mode is stored in memory. If the mode becomes the call trigger pager, the DTMF call code held is processed 206
The front side is stored in the memory 0 and the rear side is stored in the memory 9 from the TMF code.

Next, in the judgment boxes 207 and 208, the own station call code is judged and the contents of the memories 1 to 8 are compared, and if neither is found, the contents of the memory 9 and the process 2 are executed.
Displayed on the display unit 6 at 10, 211 and written or rewritten in the memory 8. In processes 212 and 213, the call codes of the memory 9 and the memory 0 are organized into DTMF call codes and transmitted. On the other hand, so far judgment box 2
When it is determined by 01 and 202, the state before the reception is restored. When the transmission is completed in step 213, the call trigger pager operation is performed, and a call is made with JEIOSX of the calling station, and no call is accepted from others. The call trigger pager operation is canceled 3 seconds after the call ends. The judgment box 217 judges whether or not the previous mode is stored, and if it is stored, the mode conversion is executed in the memory and the contents of the memory are set to 0. Then, the call code of the partner station displayed on the display unit 6 is erased to restore the normal reception state.

[0014]

By transmitting the call code according to the present invention and displaying it on the display, it is possible to eliminate the erroneous recognition caused by recognizing the other party only with the numbers as in the conventional case. In addition, the annoyance caused by the call code sound was eliminated by using a two-tone continuation signal as the sound indicating that the call code was being transmitted. Furthermore, in the normal pager system, the code sound was always duplicated at the beginning even during a call. On the other hand, the present invention has the effect of making it easier to listen to a call by removing the chord sound in the call state.

[Brief description of drawings]

FIG. 1 is a block diagram for explaining the present invention.

FIG. 2 is a flow chart showing the operation of the control unit 4 when calling the other station to make a call by the call trigger pager method.

FIG. 3 is a flowchart showing an operation of a control unit 4 when a call is made by a call trigger pager method and a call is made.

FIG. 4 is a relationship diagram for explaining a call trigger.

[Explanation of symbols]

 1 antenna 2 transmitter 3 receiver 4 controller 5 memory 6 display 7 low frequency amplifier 8 speaker 9 DTMF receiver 10 DTMF generator CTP call trigger pager CC call code RCC received call code

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[Procedure amendment]

[Submission date] February 28, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

Claims (1)

[Claims] 1. In the call pager communication system, the calling and confirmation codes are stored in the memory of both the remote station and the local station, and at the time of transmission, the remote station call code selected from the memory is displayed on the display unit. Then call D
The TMF call code is organized and transmitted, and when the called station has its own call code in the DTMF call code in the received signal, it is used for calling and the other station call code in the DTMF call code is displayed on the display unit for reply A call characterized by organizing and transmitting a DTMF call code, and when the calling station also receives a reply DTMF code, the call trigger pager operation is performed, and the call is restored after a lapse of a predetermined time after mutual call ends. Trigger pager method.