KR910007653B1 - Method for displaying address code of pager - Google Patents

Abstract

The pager calling number and the CAP code are recorded on a memory of a pager receiver and the user's page calling number and the CAP code are displayed by simple key operation using the method. The method comprises steps: (A) recording the decimal CAP code and user's calling number corresponding to the binary address and frame data; (B) displaying the CAP codes and the user's calling number stored on the memory sequentially when no called information occurs. The circuit includes and EEP ROM (5) for storing the exclusive data to discriminating the data corresponding to the pager receiver, a microcomputer (4) for comparing the received data to the stored data to discriminate the proper quality of the received data and for controlling the pager receiver, a LCD (8) for displaying the message and state data, and a key input unit (9) having a lead and a silent key for generating a silent signal to prevent the display of the stored data and an alert tone.

Description

How to display the address code on the pager receiver

1 is a block diagram of a pager receiver for carrying out the invention.

2 is a diagram of a POCSAG code.

3 is an example of a data map stored in an EEP ROM in FIG.

4 is an example of CAP code and call number display displayed according to the data map of FIG.

* Explanation of symbols for main parts of the drawings

1 antenna 2 RF receiver

3: waveform shaping part 4: microcomputer

5: EEP ROM 6: Alarm Drive

7: speaker 8: LCD

9: key input unit 10: status display unit

The present invention relates to a method of displaying an address code of a pager receiver, and more particularly, to a method of automatically displaying a pager call number and a cap code.

Pager-receiver is a miniature radio receiver for calling people who are unclear or mobile through the paging system, a land base station.

The pager receiver typically uses a POCSAG code, and a paging system assigns a cap-code (hereinafter referred to as a CAP-Code) corresponding to each pager address to call the pager receiver. The paging system then binarizes it and propagates it into the air with 18 bits of address and 3 bits of frame data.

The pager receiver operates on this signal.

The above-mentioned CAP-code is an I.D code between a paging system for calling a pager receiver and a pager receiver, and has a pager calling number to call the pager receiver on a telephone.

That is, the pager call signal is allocated to each pager receiver like a normal telephone, and a CAP-code is allocated one-to-one correspondingly.

Therefore, the general subscriber inputs a pager call signal on the telephone to call the pager receiver, and when this data is input to the paging system, the paging system converts the input pager call signal to the corresponding CAP-code and in a predetermined manner. After encoding, it is modulated and propagated to the air. At this time, the pager receiver receives this signal and compares it with the CAP-code embedded in the pager and the data in the received signal. When the CAP-code is detected, the pager receiver displays a message on the LCD or drives an alarm sound.

However, in the conventional case, the pager call number or the CAP-code is attached to the outer case of the pager receiver as a stamping sheet, which causes the trouble of attaching the stamping sheet. In case of designing the case, there was a restriction to secure the seat attachment surface, and also the case of being damaged due to frequent contact of the stamped letters caused a bad appearance.

It is therefore an object of the present invention to provide a method of storing a pager call number and a CAP code in a memory of a pager receiver and, if necessary, presenting the pager call number and the CAP code on a display by a key operation.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a phaser receiver block diagram for carrying out the present invention, comprising: an antenna (1) for receiving an RF modulated signal, an RF receiver (2) for demodulating an RF modulated signal through the antenna (1), and the RF receiver A waveform shaping section 3 for filtering and demodulating the demodulation signal in (2) and shaping the waveform into a quadratic signal, and an EEP ROM storing its own data for discriminating the data of the pager receiver. ), And control the pager receiver, output a control signal (BSS) for power saving at a predetermined period, input the received data of the waveform shaping section (3), and compare the data with the data of the EEP ROM (5). A microcomputer 4 for determining whether or not there is qualified data and controlling the display of the stored message and the state of the receiver by a lead key; an alarm driver 6 for generating an alarm signal under the control of the microcomputer 4; and the alarm driver. (6) Generate alert tone Is composed of a speaker (7), an LCD (8) for displaying messages and status data under the control of the microcomputer (4), a lead key and a silent key to prevent the display of stored messages and the generation of alarm sounds. Key input unit 9 for generating a silent signal for the purpose of operation, and a state driver 10 for displaying the state of the pager receiver under the control of the microcomputer (4).

2 is a diagram of a POCSAG code, wherein the POCSAG code is composed of a preamble signal and a plurality of batches, and one batch is composed of a word sync and eight frames. One frame is composed of an address codeword of 32 bits and a message codeword of 32 bits, and an address codeword of 18 bits of address data, 10 bits of parity data, 1 bit of address codeword check, 2 bits of function bits, and It consists of 1 bit even parity and the transmission speed is 512bps or 1200bps.

3 is a data map of the EEP ROM 5, which stores up to two 3-bit frame data and 18-bit address data. Accordingly, two decimal CAP codes and two pager call numbers ( Each 8digit) can be stored.

FIG. 4 is a diagram showing the CAP-code and pager call number displayed on the LCD 8 according to the data map of FIG. 3, in which one address data actually exists in a pager receiver which may have two address data. Is an example of display of the CAP-code and pager call number.

Based on the above configuration, the present invention will be described in detail with reference to FIGS. 1-4.

First, the operation of the pager receiver will be described.

The RF receiver 2 receiving the RF signal modulated by FSK and transmitted through the antenna 1 amplifies and demodulates the received data in a modulated state. Herein, it is assumed that the received message is a message having a POCSAG code form as shown in FIG.

The waveform shaping section 3, which receives the demodulated signal of the RF receiver 2, filters and amplifies the demodulated data, transforms the demodulated data into a second level, and applies it to the microcomputer 4.

At this time, the microcomputer 4 generates a power saving signal (BSS), which is a signal for controlling the power supply of the RF receiver 2 and the waveform shaping unit 3 according to a message state periodically received to save power. Power on / off.

In addition, the microcomputer 4 stores the address of the EEP ROM 5 in the internal memory RAM of the microcomputer 4 when the initial power is turned on, and receives the POCSAG code received through the waveform shaping unit 3. The corresponding address bit (18 bits) is also stored in the memory, and the two addresses are compared to determine whether there is qualified data. The microcomputer 4 uses a one chip processor.

As shown in FIG. 3, the EEP ROM 5 stores two addresses consisting of 18-bit address bits and 3-bit frame data representing a self-specific address of the corresponding pager receiver. At this time, the microcomputer 4 selects three bits of magnetic frame data from among the data received in eight frames per batch by using the frame bits, and 18-bit address data bits and EEP ROM of the contents of the received data of the magnetic frame. The presence or absence of qualified data is determined by comparing with the self-specific 18-bit address data stored in (5). If the received data is found to be hard data as described above, the microcomputer 4 receives and stores the message data, displays it on the LCD 8, and drives the alarm driver 6 to generate an alarm signal. 7) generates an alarm sound by this signal.

In the receiver as described above, the first and second key data may be generated through the key input unit 9, the first key data may be generated through the lead key 91, and the second key data may be generated through the silent 92. Occurs. The silent key 92 generates a key command for preventing the driving of an alarm sound upon receiving a message. In this case, the received message is stored in the internal memory of the microcomputer 4 and at the same time through the LCD 8. Is displayed for a while, and the calling information is displayed after the display.

Also, the lead key 91 is used to stop an alarm sound generated when a message is received or to display a message stored in the internal memory of the microcomputer 4 on the LCD 8.

In addition, the status display unit 10 indicates various states of the pager receiver under the control of the microcomputer 4, and the lamp 102 is operated while displaying the message on the LCD 8 so that the message is difficult to read even at night. The display is clear and remains "off" during the call information cycle.

The LED 103 is driven when a message is received to visually indicate an alarm state. The LED 103 is driven in both a normal mode and a silent mode. In addition, when the message is received in the silent mode, the motor 104 vibrates the pager receiver so that the user can recognize it.

A typical pager receiver operating as described above using a POCSAG code is given a unique CAP-code, which can accommodate 2 million CAP-codes in 7-digit decimal-numbers. As mentioned above, 7-digit CAP-code is converted into 18 bits of address bits and 3 bits of frame data. When writing to EEP ROM 5 (WRITNG), 18 bits of address bits and 3 bits of frame data are binary. And a 7-digit decimal CAP-code without conversion thereof is also recorded.

Since the microcomputer 4 is a 4-bit processor, it is difficult to convert the binary 18-bit address data and the 3-bit frame into a decimal number. Therefore, the 7-digit CAP-code of the decimal number is added to the EEP ROM 5. This is to display the CAP-code as a decimal number on the LCD 8 after storing. In addition, when the pager call number is recorded in the EEP ROM 5 together with the CAP-code, the CAP-code and the pager call number can be displayed together on the LCD 8 by the read key operation.

3 shows these memory maps.

In the method of reading the CAP-code in the EEP ROM 5 stored as shown in FIG. 3, after the power-on of the pager receiver and the read key 91 is pressed for a predetermined time in the absence of call data, the microcomputer 4 reads the EEP ROM. The CAP-code (here CAP-code of (3c)) in the first address of (5) is displayed on the LCD 8 as shown in FIG. 4A. After pressing and holding the Lead key, the pager call number in the first address (here page 3e) is displayed on the LCD 8 as shown in Fig. 4b, followed by the CAP-code in the second address (3d ) Is displayed on the LCD 8 as shown in FIG. 4C, and the pager call number of the second address is finally displayed.

If the CAP-code of the second address is not used, it is displayed on the LCD 8 as shown in (4c) and (4d) of FIG.

In Figure 4, "203-6660" is used for pager and pager first address (CAP-code) as "0014588" pager call number, and the second address is not used. The number can be recorded up to 8 digits in the EEP ROM 5.

In the pager reception using the EEP ROM as described above, record the address and frame data of the binary number and the pager call number that can call the corresponding decimal CAP-code or CAP-code. -Code and pager call number can be displayed on the LCD, and the address changer of the pager receiver can be easily executed.

Claims (1)

A display method of a pager receiver having a memory storing its own address data and frame data, and determining whether received data is eligible, wherein the memory includes a decimal CAP- corresponding to the address and frame data of binary numbers. A coder and a self-calling number are stored together, and when there is no information called, the CAP code and the self-calling number stored in the memory are sequentially displayed on the display unit by key input. How to display the code.

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