JPH0834624B2 - Pager system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention allows a registered caller to access a pager base station via a general public telephone line and to select a desired pager terminal from the pager base station. It relates to the improvement of the pager system called.

[Prior Art] FIG. 4 is a block diagram of a pager system. In the figure, 1 is a general public telephone line network used by a caller, 2
Is a switching center, 3 is a pager base station, and 4 is a pager terminal device carried by a called party.

The registered caller uses the general public telephone line 1 to access the pager base station 3. The pager base station 3 gives an instruction of a calling procedure to the calling party according to a predetermined program, and the calling party first stores the pager terminal device carried by the intended called party according to this instruction. The call code of the calling party is input using a push button or the like on the telephone. Then, in the same manner as above, a message to be sent to the called party is input. The pager base station 3 wirelessly transmits the calling code and message received from the caller in a predetermined communication format.

The message information is generally designated by a caller while pressing the push button or the like while selecting and designating a conversion table equivalent to the fixed text code / character string conversion table stored and stored in the control computer of the pager base station 3 to obtain a desired message. Is wirelessly transmitted from the pager base station 3.

A schematic configuration of an example of such a communication format is described in Section 5.
Shown in the figure. In the figure, "SYNC" indicates a synchronization signal bit string, "ADDRESS" indicates the calling code, and "MESSAGE" indicates a transmission message from the caller.

[Problems to be Solved by the Invention] In a conventional pager system, it is possible to reduce the number of key operation steps, but the amount of data increases because the pager radio waves carry the data converted into character strings. In addition to traffic, it is necessary to limit the amount of data from the viewpoint of traffic, and since a raw character string is simply put on the radio wave that anyone can intercept, confidentiality cannot be maintained. Also,
Since the fixed form code / character string conversion table is stored in the computer of the pager base station, it takes time to create the fixed form code / character string conversion table, and it is true that a separate conversion table is used for each subscriber. It was impossible to deal with above.

It is an object of the present invention to provide a pager system capable of reducing the amount of transmitted data and the number of key operations, and at the same time maintaining confidentiality for each user.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a memory card in which message codes and message information are stored in association with each other, and when the memory card is installed, the memory card is installed. An electronic terminal that reads out and displays a message code corresponding to any message information from the memory card and, when the above memory card is installed, reads out and displays the message information corresponding to the message code from the installed memory card It consists of a pager terminal and a pager base station that calls the pager terminal based on access via a general public telephone line, and a message code corresponding to any message information read and displayed from the memory card in the electronic terminal is displayed. It can be transmitted to the pager terminal via the pager base station. And by
The pager terminal receiving the message code reads the message information corresponding to the message code from the memory card and displays it.

[Operation] Therefore, according to the present invention, when a common memory card is attached to the electronic terminal and the pager terminal, the calling party uses the electronic terminal to send a message code corresponding to arbitrary message information from the memory card. When it is read out and displayed, and the displayed message code is transmitted to the pager terminal via the pager base station, the message information corresponding to the received message code is read out from the memory card and displayed at the pager terminal. The displayed message information is the same as the arbitrary message information specified on the electronic terminal.

[Embodiment] FIG. 1 is a diagram showing a configuration of a pager system according to the present invention, in which a caller has a memory card in which a message predetermined with a called party and a message code corresponding to the message are stored. Confirm the called party and message code of the MC with a removable electronic device (such as an electronic notebook) M, operate the push button of the telephone, and call the pager base station P via the public line (exchange) L. According to the instruction, the pager base station P is notified of the pager terminal call number and message code. The pager base station P that has received the page number and message code of this pager terminal
Wirelessly transmits predetermined information from the transmitting station S. The pager terminal PT that received this information first confirms whether it is a call to the own terminal, and if it is a call to the own terminal, extracts the message code and stores the corresponding message code stored in the memory card MC provided in the terminal. The message corresponding to is read and the message is displayed on the display means of the terminal PT.

FIG. 2 is a diagram showing the configuration of an embodiment of a pager terminal device used in the pager system of the present invention. In the figure, 5 is a transmission signal receiving means, 6 is storage information of the memory 7 storing the page number of the pager terminal device, and it is detected whether the transmitted data includes the page number stored in the memory 7. Detecting means 8 for extracting the message code of the transmission data transmitted by the detecting means 6 detecting the calling number of the pager terminal device, and 9 for extracting by the message code extracting means 8. It is a fixed text code / character string conversion table which extracts predetermined message information from the generated message code. 10 is a display means for displaying the message extracted from the conversion table, 11 is an operation of each of the above means
Control means for controlling according to a program previously stored in M13, 12 stores a message code previously defined as a caller in the fixed sentence code / character string conversion table 9 and message information corresponding thereto, or stores various information in a RAM 14 And 15 is a speaker for notifying the pager terminal that there is an incoming call. Reference numeral 16 is a printer means for printing out the information stored in the RAM 14 or the fixed form code / character string conversion table 9 etc. under the control of the control means 11 based on the instruction of the input means 12.

FIG. 3 is a diagram showing a schematic configuration of a communication format used in the pager system according to the present invention, "SYNC"
Indicates a sync signal bit string, "ADDRESS" indicates a calling code, and "MESSAGE NO." Indicates a transmission message code from the caller.

The relationship between this message code and the message is shown in the table-
It is like 1 and can store 100 kinds of messages from 0 to 99 with two digit numbers.

The specific operation of the pager system according to the present invention will be described below with reference to FIGS.

Initialization When the pager system according to the present invention is used, first, a message code and a message corresponding thereto which are predetermined between the calling party and the called party are set in the fixed text code / character string conversion table 9 of the pager terminal. Must be set. First, the operator uses the numeric code input keys and the character code input keys (not shown) of the input means 12 to display the values shown in Table 1 above under the control of the control means 11 according to a program stored in advance in the ROM 13. The messages corresponding to the message codes are sequentially stored in the fixed phrase code / character string conversion table 9. The standard sentence code / character string conversion table shown in Table 1 is also possessed by the caller.

Transmission / Reception Operation When the above-mentioned preparation is completed and the user wants to send a message (call) to the other party who possesses the pager terminal device, the calling party first uses the general subscriber telephone via the public line as in the conventional case.
The pager base station is called and the pager base station is notified of the desired calling number and message code under the instruction. The pager base station which has received this notification wirelessly transmits the transmission data in the data format as shown in FIG. The pager terminal which has received this transmission data by the reception means 5 first detects by the detection means 6 whether or not the transmission number that has been transmitted includes the calling number of the pager terminal, and if the calling number is included. Based on the code extracted by the extraction means 8 from the message code in the transmission data, the fixed text code / character string conversion table 9 is referred to, and a predetermined message is extracted and displayed on the display means 10. Further, when the detection means 6 detects the corresponding calling number, the control means 11
Drives the speaker 15 to indicate that there is an incoming call.

In the above embodiment, the fixed form code / character string conversion table is written in a rewritable memory (random access memory), but the present invention is not limited to the embodiment and is now widely used in electronic notebooks and the like. It goes without saying that the utilization effect of the present invention can be further improved by using a built-in memory card or the like so as to be detachable from the device.

[Advantages of the Invention] As described above, according to the present invention, it is possible to transmit message information with a message code that is uniquely determined in advance on the calling side and the called side (pager terminal). Since it is possible to keep the confidentiality of the data, the amount of data carried on the radio wave can be reduced because the code information is transmitted, and accordingly, the number of subscribers that can be accommodated in the same radio wave can be increased.

Further, since the memory card stores the message code and the message information in association with each other, it is possible to extremely easily set and change the comparison between the message code and the message information on the calling side and the called side. , A plurality of memory cards without different contrast settings are provided, and for example, by changing the memory card to be attached to the pager terminal for each day of the week or for each time period, the number of message code data can be increased without increasing the data amount. The message information can be transmitted, and the usage of the pager terminal can be expanded, that is, one pager terminal can be used for work and for private use.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a pager system according to the present invention, and FIG. 2 is a diagram showing a block configuration of a pager terminal device used in the pager system of the present invention.
FIG. 3 is a diagram showing a format of communication data used in the pager system according to the present invention, and FIG. 4 is a diagram showing a conventional pager system configuration. FIG. 5 is a diagram showing a format of communication data used in a conventional pager system. 5: receiving means, 6: detecting means, 7: calling number memory, 8: message code extracting means, 9: fixed form code / character string conversion table, 10: display means, 11: control means, 12: input means, 13 :ROM

Claims (1)

[Claims] 1. A memory card in which a message code and message information are stored in correspondence with each other, and when the memory card is mounted, a message code corresponding to arbitrary message information is read from the mounted memory card. An electronic terminal for displaying, a pager terminal for reading out and displaying message information corresponding to a message code from the mounted memory card when the memory card is mounted, and the above-described pager terminal based on access through a general public telephone line. A pager base station for calling a pager terminal, and transmitting a message code corresponding to any message information read and displayed from the memory card in the electronic terminal to the pager terminal via the pager base station, Pager edge that received the message code There, a pager system, characterized in that the message information corresponding to the message code to be displayed is read out from the memory card.