KR100263191B1 - Memoty method of paging receiver - Google Patents

Abstract

PURPOSE: A method for operating a memory of a paging receiver is provided to decide whether many capcodes used in the paging receiver have to be used for personal call information or whether the capcodes have to be used for mail drop, and to optionally change capcode operation table values when deemed necessary. CONSTITUTION: If a message is received, a controller receives an address index from a decoder(101). The controller checks which address index area locates address index information, among contents of a capcode operation table(102). If a value of the capcode operation table is '1'(103), the controller decides that the received message is a message for being stored in a mail drop table area(104). If the value is '0', the controller decides that the message is a message for being stored in a message table area where personal call information is stored(105). The controller controls an operation for storing the message according to a decided message table or a mail drop table designation.

Description

Memory operation method of pager

The present invention relates to a pager, and more particularly, to a memory operating method for managing a message received by the pager.

In the conventional wireless pager, when one has a plurality of capcodes, one capcode is used for storing a personal call for receiving personal information, and the remaining capcodes are used for news, Used to receive information services such as securities information. 1 illustrates an example of the configuration of a conventional pager memory. If there is a message received at address 1, the information is stored in area A. FIG. When information such as news is received at the address 2, the information is stored in the area B.

That is, in the conventional pager, since an area for storing information is already determined for each address, there is a problem in that the allocated address cannot be used for another purpose.

Accordingly, an object of the present invention is to solve the above problems, the memory operating method of the wireless pager to use the memory by changing the number of addresses that can be used for personal call information or information service if necessary to use the memory. In providing.

In order to achieve the above object, the present invention provides a memory operating method of a pager having a memory and a decoder comprising a message table, a message table pointer, an information service table and a capcode operation table, wherein a message is received and an address is received from the decoder. Determining a capcode action table value based on the address index information, a message table area for storing personal call information by determining the capcode action table value, and an information service table for storing information services It is characterized by consisting of a process of different storage to the area.

1 is a diagram illustrating a configuration of a conventional pager memory.

2 is a block diagram of the entire pager according to the present invention.

3 is an exemplary diagram illustrating a message table for managing an area in which personal call information is stored in a memory of a pager according to the present invention.

4 is an exemplary diagram of an information service table configuration for managing an area in which information service information is stored in a memory of a pager according to the present invention.

5 is a configuration diagram of the ststus message table according to the present invention

6 is a configuration diagram of the ststus of the information service table according to the present invention;

7 is a flowchart illustrating a memory operation for determining a location where a message is to be stored when a message is received according to an exemplary embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention, such as specific processing flows. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

The configuration of the pager according to the present invention will be described with reference to FIG. 2. The configuration and operation of a general pager will be described with reference to FIG. 2.

RECEIVER CIRCUITRY 11 receives radio call information and performs functions of frequency conversion, demodulation, and waveform shaping. Accordingly, the output of the receiver 11 becomes radio call information converted into digital data, and the output of the receiver 11 is applied to the decoder 13.

The decoder 13 sets the operation mode of the pager by decoding the received data. That is, in the idle mode, the supply of the operating power is controlled at regular intervals to detect the preamble data, and in the batch mode, the word sync data and the set frame data are detected. The detected frame data is decoded and converted into the original data form.

The MICRO CONTROLLER 15 processes the received data to control the alarm and vibration functions, and checks the capcode operation table according to the address index received from the decoder and stores it in the management table when receiving a message. Control memory management.

The memory 17 includes an area for storing letters and numbers generated during program execution, an area for storing a PERSONAL CALL message and an information service (MAILDROP) message, and a capcode according to the present invention. A distinguishing capcode operation table is provided.

The display unit DISPLAY 19 displays the message of the calling party and the status information of the pager by the display control signal output from the controller 15, and displays the personal information corresponding to the telephone number received by the control of the controller 15. A display area is provided.

The alarm unit ALERT 21 generates an alarm signal such as a tone signal or a vibration signal for notifying that the alarm signal has been called by the alarm control signal output from the controller 15.

The key input unit 23 inputs a predetermined key when searching for a received message.

When a message is received through an antenna in the wireless pager having such a configuration, it is converted into a digital signal through the receiver 11. Again, the signal is decoded into the desired information through the decoder 13 as described above, and the information is transmitted to the control unit 15 together with the signal. At this time, the main information is the address index and the corresponding message.

When a message is received in the pager as described above, the message should be stored in a memory. The message operation method according to the present invention will be described with reference to the following drawings.

3 is an exemplary diagram of a message table configuration for managing a region in which personal call information is stored in a memory of a pager according to the present invention. The message table MsgTBL is a table for managing a region in which personal call information is stored. The message table pointer MsgTBLptr points to an area to store when new private call information is received. Each time new private call information is received, the location of the storage area indicated by the message table pointer is increased by one.

4 is an exemplary diagram of an information service table for managing an area where information service information is stored in a memory of a wireless pager according to the present invention. The information service table (Maildrop Table) receives information service information rather than personal call information. Points to the area that will be saved. Unlike the message table, the information service table does not have separate pointer information because the storage area of the information service information itself is determined by the address index information received from the decoder 13. These storage areas are allocated one by one according to the order of the address indexes used in the pager. Also, even if new information is continuously updated, it does not leave its allocated storage area. Whether the received information is stored in the message table or the information service table is determined by the value of the OpOfCapcode table based on the address index information transmitted from the decoder 13, as shown in FIG. Capcode action tables correspond one-to-one. Therefore, if the capcode action table value based on the address index is "1", it is stored in the information service table. If the capcode action table value is "0", the personal call information is stored in the message table. The capcode action table, which determines where the received message is to be stored, is stored in external memory 17 and this information can be changed at any time when a change is needed. The arbitrary change of the capcode action table value may change the capcode action table value to be changed using, for example, a ROM write. If an arbitrary address, that is, the cap code is set for the purpose of receiving personal call information, is changed for the purpose of information service, the value of the cap code operation table may be changed from "0" to "1". Then, as described above, the controller 15 determines in which memory area the received message should be stored using the address index information received from the decoder 13 and the capcode operation table value.

The configuration of the message table and the configuration of the information service table are shown in Table 1 below.

Configuration Information in Message Table 1 byte STATUS 2 bytes CHKSUM 2 bytes MESSAGE LENGTH 2 bytes MSGEND 1 byte ADDRESS

However, the difference between the message table and the information service table is shown in FIGS. 5 and 6, wherein STATUS information of one byte of information constituting the two tables distinguishes the message table from the information service table. 5 and 6, the 1 byte STATUS configuration of the two tables will be described. 5 is a STATUS configuration diagram of a message table according to the present invention, wherein the STATUS information represents a state of one personal call information. That is, bit 7 indicates whether this information is information read or not read by the user, bit 6 indicates whether the same message has been received before, and bit 5 prevents the user from deleting this information. Indicates that the information is protected for.

6 is a ststus configuration diagram of an information service table according to the present invention, in which STATUS information of the information service table indicates one state of information service information, and bit 7 has the same function as STATUS information of a message table. The information indicates whether the information has been read or unread by the user, and bit 6 indicates whether the user has erased or erased the message after reading it. The reason for the determination information is that the user does not want to read the message after reading the received message. If the user reads the received information service message, and if it is determined that the message has been read and deleted, the controller 15 does not display it on the display unit 19 and does not show it to the user.

Meanwhile, in Table 1, two bytes of CHKSUM indicate CHKSUM information of the message information received by the decoder 13, and two bytes of MESSAGE LENGTH information indicate the length of the received message. The above two pieces of information (2 bytes of CHKSUM and 2 bytes of MESSAGE LENGTH) are used to determine whether a duplicate message is received the next time a new message is received. In addition, the two-byte MSGEND information indicates the end area of the information stored in the external memory 17. The MSGEND information determines how far to read and display the message when the user reads the message. One byte of address information indicates a start block of the external memory 17.

A method of operating a memory upon receiving a message using a memory configured and managed as described above according to the present invention will be described with reference to FIG. 7;

FIG. 7 is a control flowchart for memory operation for determining a location where a message is to be stored when a message is received according to an exemplary embodiment of the present invention. In step 101, the controller 15 receives an address index from the decoder 13 when a message is received. Thereafter, the controller 15 determines in which table area of the external memory 17 to store the address index information received from the decoder 13. In step 102, the controller 15 determines which of the contents of the capcode operation table is the address index information. Check whether it is located in the address index area. When the capcode operation table value of the corresponding address index area is “1”, the controller 15 determines in step 104 that the received message is a message to be stored in the information service table area. If the operation table value is "0", the controller 15 proceeds to step 105 and determines that the message is to be stored in the message table area for storing personal call information.

Thereafter, the controller 15 controls the operation of storing the corresponding message according to the determined message table or information service table designation.

As described above, according to the present invention, a memory discrimination table designated for each address index called a capcode operation table is separately provided in an external memory so that a corresponding memory area can be arbitrarily changed when storing personal call information or information service information. It is used to change the action table value arbitrarily.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, in the memory operation of the pager, the capcode separately provided in the external memory area whether a plurality of cap codes that can be used in the pager are used for personal call information or information service purposes. A memory discrimination table designated for each address index, called an action table, is separately provided in the external memory, whereby the capcode action table value can be arbitrarily changed and used to change the address to another use if necessary.

Claims (9)

In the memory operating method of a pager having a decoder and a memory consisting of a message table, a message table pointer, an information service table, a capcode operation table, Determining a capcode operation table value based on the address index information when a message is received and received address index information from the decoder; And storing the message table area for storing the personal call information and the information service table area for storing the information service by determining the capcode operation table value. The method of claim 1, The capcode operation table is provided in an external memory, and the capcode operation table value can be arbitrarily changed. The method of claim 1, And the message table comprises one byte of status information, two bytes of checksum information, two bytes of message length information, two bytes of message termination information, and one byte of address information. The method of claim 3, The status information of one byte of the message table includes information bits indicating whether the information is information read or not read by the user, information bits indicating whether or not the same message has been received before, and the user is prevented from deleting. And an information bit indicating information indicating whether the information is protected. The method of claim 1, The message table pointer indicates an area to store when new personal call information is received, and the location of the storage area indicated by the message table pointer increases by one each time the new personal call information is received. How to operate. The method of claim 1, And the information service table comprises one byte of status information, two bytes of checksum information, two bytes of message length information, two bytes of message termination information, and one byte of address information. The method of claim 6, The status information of one byte of the information service table includes information bits indicating whether the information is information read or not read by the user, and information bits indicating whether the user erases the message after reading the message. Memory operation method of the pager. The method of claim 1, And the information service table and the cap code operation table correspond one-to-one to each address. The method of claim 1, The capcode action table value determining process includes determining that the capcode action table value is a message to be stored in an information service table area when the capcode action table value is one (1), and when the capcode action table value is zero (0). A memory operating method of a pager, characterized in that the process of determining the message to be stored in the message table.