KR960008061Y1 - Cellular having the function of pager - Google Patents

Abstract

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Description

Phaser combined cell

1 is a schematic block diagram of the construction of a pager combined cell of the present invention.

2 is a flowchart illustrating an operation according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

1: antenna 2: duplexer (DUPLEXER)

3: reception amplifier 4: detection unit

5: Audio signal input terminal (MIC) 6: Modulator

7: Amplification unit 8: Audio signal output terminal (SPEAKER)

9: BASE BAND

10: Logic Interface

11: RF amplification unit 12: first local oscillation unit

13: first mixer 14: intermediate signal detector

15: second local oscillation unit 16: the second mixer

17 decoder 18 discrimination unit

19: Keypad 20: Microcomputer

21: display unit

The present invention relates to a pager (CELLULAR) combined cell, and relates to a pager (CELLULAR) combined to control the keypad (KEY PAD) and the display unit in the microcomputer.

In the past, the wireless network service was poor in areas such as tunnels, basement floors, subways, etc., and there was a disadvantage in that the reception sensitivity of CELLULAR was reduced due to extreme jams, and it was necessary to answer a wrong call or receive an undesired call. Problems such as the bar is generated, the person having a cell (CELLULAR) had a burden to purchase a pager (PAGER) separately to solve the above problems.

Accordingly, an object of the present invention is to provide a PAGER combined cell (CELLULAR) designed to maximize the convenience of the cell (CELLULAR) while solving the above problems.

In order to achieve this purpose, the present invention can select and use PAGER and CELLULAR, MODE key, battery power ON / OFF key, and CLEAR key to erase wrongly inputted phone number. SEND key to input a phone number and output a signal for it. During a call, a redial key for outputting a redial signal without using a numeric key, a number key from 0 to 9, and a received message. KEY PAD consisting of the SILENT key to display or mute the alarm for a short time, the READ key to display the current stored message, and the CELLULAR and PAGER. And a microcomputer for outputting predetermined data to the display unit according to the operation of the integrated keypad (KEY PAD) while performing all the conventional functions.

Therefore, the configuration of the present invention for achieving this purpose will be described in detail. 1 is a schematic block diagram showing the configuration of the present invention, an antenna (ANT) 1 for transmission and reception with a base station (not shown), and a duplexer (DUPLEXER) for inputting / outputting cellular transmission / reception audio signals and control signals. (2) and by detecting the amplified signal through the receiving amplifier (3) and the receiving amplifier (3) which gain-compensates and amplifies the received signal output from the duplexer (DUPLEXER) (2) when the audio signal is received. A demodulating audio signal and outputting the audio signal input through the audio signal input terminal (MIC) 5 during detection of the audio signal output terminal unit (speaker) 8 and an audio signal input terminal unit (MIC) 5 during audio signal transmission A modulator 6 for outputting the modulated signal, amplifying the modulated signal and outputting the modulated signal through the antenna ANT 1 and outputting the amplified part 7 and the cellular cell. Send and receive audio signals RF modulation signal (FSK) received from the base band (9) and the antenna (ANT) (1) connecting the false signal output terminal (SPECKER) (8) and the audio signal input terminal (MIC) (5) RF amplification unit 11 for amplifying a) and a signal output from the first local oscillator 12 and the RF amplification unit 11 for generating a first local oscillation frequency and a first output from the first station oscillator 12 A first intermediate frequency signal output from the first mixer 13 and the first mixer 13 mixing the local oscillation frequency, and an IF detector 14 for passing only a predetermined frequency signal, and a second local oscillation frequency. A second mixer configured to mix the generated second local oscillator 15, the second local oscillation frequency output from the second local oscillator 15, and the first intermediate frequency signal output through the IF detector 14; 16), and a decoder 17 for waveform shaping the phaser signal output through the second mixer 16 in a digital form; A discriminator for discriminating the data of the corresponding pager receiver by comparing the signal output from (17) with a memory (not shown) that stores its own address and frame data in binary and decimal formats. ) Keypad consisting of MODE key, battery power on / off key, CLEAR key, SEND key, redial key, numeric key, SILENT key, READ key, etc. 19) and the RF modulated signal (FSK) of the pager received through the antenna (ANT) (1) in the form of a decimal number, and controls the transmission and reception control signal (FSK) of the cellular and the transmission and reception of the keypad A microcomputer 20 for outputting data to the display unit 21 according to the operation of (19), a display unit 21 for displaying data and messages output from the microcomputer 20, and the antenna ANT (1). Input / output of control signal to / from the microcomputer 20 For it consists of a logic interface (LOGIC INTERFACE) (10).

2 is a flowchart showing the operation according to the present invention. When the power is turned on (step 1), the microcomputer 20 determines whether there is reception data (step 2), and if there is reception data, the reception data of the pager is displayed. It is judged whether or not the data (step 3), the microcomputer 20 outputs the data to the display unit 21 (step 4), and stores the above data in the internal memory of the microcomputer 20 (step 5).

Thereafter, when the stored data stored in the internal memory of the microcomputer 20 is displayed on the display unit 21 by inputting the siren key, the user inputs a numeric key for the corresponding data (step 6). 20 determines whether the mode switch is the cellular mode (step 7), and if the mode is the cellular mode, the microcomputer 20 sends the control signal FSK to the antenna ANT 1 via the logic interface LOGIC INTERFACE. To be output (step 8).

When the control signal (FSK) transmitted through the antenna (1) is recognized by the microcomputer 20 through the antenna (ANT) 1 of the cell (CELLULAR) via a base station (not shown) (step 9) The microcomputer 20 determines whether the received control signal FSK is self data (step 10), and transmits a ringing signal to notify the receiver of the call (step 11). At this time, the receiver switches on the call and makes a call with the sender (step 12).

Therefore, PAGER combined cell (CELLULAR) of the present invention receives the other party's phone number and stores it in the memory by using the function of PAGER in places with severe jams, tunnels and underground subways. If necessary, the call can be made by calling the other party in a region suitable for making a call, and thus unnecessary calls can be suppressed, thereby maximizing the practicality of CELLULAR.

Claims (1)

Enter the MODE key to selectively turn on / off the PAGER and CELLULAR, the power on / off key, the CLEAR key to clear the incorrectly entered phone number, and enter the phone number. SEND key for outputting a signal for the display, 0 to 9 numeric keys, redial key, SILENT key for displaying the received signal for a predetermined time or muting the alarm. Integrating the above while outputting the RF modulated signal (FSK) of the pager received from the antenna and the keypad (19) consisting of a read (READ) key in the form of a decimal number, and controlling the cellular transmit / receive control signal (FSK). PAGER combined cell (CELLULAR) characterized by comprising a microcomputer 20 to output data to the display unit 21 in accordance with the operation of the keypad (KEY PAD).