KR20010002222A - a calling card of public telephone - Google Patents

Abstract

PURPOSE: A telephone card for public phone is provided to achieve automatical connection and conversation with the opposite when the telephone card is inserted into any general public phone, by pre-encoding and inputting a specific number and/or telephone numbers onto the telephone card. CONSTITUTION: A telephone card has a body(10) made of plastic material either side of which is attached with a magnetic tape(20). On the magnetic tape an identification number for a subscriber who pays the phone calling rate and an imaginary number and a telephone number of receiver. When a user inserts the telephone card into a part of card reader equipped to public phone, different information are displayed on a screen part by the program input a main control part while a dispatch signal generates and is transmitted to the user. Continuously, the identification number, the imaginary number and the telephone number of receiver all being encoded and recorded onto the magnetic tape can be readable by a card reader part.

Description

Calling card of a payphone

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a calling card of a public telephone, and more particularly, to a calling card of a public telephone in which a specific number and telephone number previously inputted on a calling card are read out automatically when a calling card is inserted into the public telephone. .

In general, a telephone call is a communication method in which a caller's communication terminal converts a voice or a sound into an electrical signal and transmits it, and the called party's communication terminal reproduces the electrical signal as a voice or a sound to exchange the intentions or feelings among the communication user's abnormal calls. Say In addition, the telephone call is made by the calling user confirming the ringing tone at the communication terminal, dialing the telephone number to confirm the ringing tone, and checking the ringing tone ringing at the buzzer of the communication terminal.

1, the schematic structure of a card type public telephone is shown. As shown in Fig. 1, the card type public telephone stores, adds, and subtracts the card reader unit 1 for discriminating the special code and the recording amount contained in the calling card, and the recording amount determined by the card reader unit 1; At the same time, the control unit is equipped with various control programs to control peripheral devices, and the voice or sound of the communication user is converted into an electrical signal and transmitted, and the reproduced electrical signal is reproduced as voice or sound again. And a display section 7 for indicating an amount and a telephone number as numerals, a dial, a call, a power source, etc. as a number, and a power supply section 9 for supplying power to these devices.

In addition, Fig. 2 is a schematic perspective view of the calling card used in the card-type public telephone. As shown in Fig. 2, the calling card includes a main body 10 made of plastic, and a magnetic tape 20 attached to a portion of the front or rear side of the main body to record a predetermined amount or information.

The telephone call operation of this card type public telephone is as follows.

First, when the communication user lifts the handset, the insertion portion of the card reader unit 10 is opened. Subsequently, when the calling card is inserted, the amount or information recorded on the magnetic tape 30 of the calling card is read by the card reader unit 1 and various notification information is displayed on the display unit 7 by the main control unit 3. Is displayed, a beep sounds through the handset.

Next, when the telephone number is dialed, a ringing tone is heard, and when a response is made, the call circuit unit 5 is activated to make a telephone call, and charging is started according to the signal of the main control unit 3. Further, the subtracted amount on the magnetic tape 20 on the currency card is subtracted and the subtracted amount on the display unit 7 is displayed. When the telephone call ends, the subtracted amount is recorded on the magnetic tape 20 on the calling card, and then the calling card is returned while the insertion portion of the card reader 1 is opened.

Currently, the developed intelligent network (Intelligent Network) is a large computer and a database installed in the communication system, the transmission network for exchanging and transmitting information such as voice and data, and the control signal between each element of the transmission network common signal It is composed of a signal network that transmits in the method (No. 7), and provides various additional services while retaining data for the user of the communication terminal.

The services provided by the intelligent network (IN) include a billing service (FP) that charges a call charge to the called party, a credit call service (CC) that charges the call charge to a credit call accounting account, or a third telephone number. There is this.

However, these billing service or credit call service has a problem that it is difficult for children or the elderly to use, because the service identification number or credit number, announcement, password, announcement, called number, (#), etc. must be used. .

It is an object of the present invention to provide a calling card of a payphone which inputs a specific number and a phone number on the calling card in advance so that a telephone call is automatically made when the calling card is inserted into the payphone.

1 is a view showing a schematic configuration of a card type public telephone,

2 is a schematic perspective view of a calling card;

3 is a flowchart for explaining the operation of the present invention.

<Explanation of symbols for the main parts of the drawings>

1 card reader, 3 main fisherman,

5 communication circuits, 7 display,

9 Power Supply.

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

As shown in Figs. 1 and 2, the present invention includes a main body 10 made of a plastic material and a magnetic tape 20 attached to a part of the front or back side of the main body in a call card of a public telephone. On the magnetic tape 20, an identification number and a virtual number indicating that the incoming billing service is a subscriber, and a telephone number of the called party are encoded and input.

Next, the operation of the present invention will be described in detail with reference to Figs.

First, when the communication user lifts the handset of the public telephone, the insertion portion of the card reader unit 10 is opened. Subsequently, when the calling card is inserted into the insertion portion of the card reader unit 1, various notification information is displayed on the display unit 7 by a program mounted on the main control unit 3, and the dial tone is transmitted to the communication user through the handset. send. At this time, if the dial tone is not transmitted to the communication user, the calling card is inserted into the insertion part of the card reader unit 1 again.

Next, the card reader unit 1 reads the identification number and virtual number encoded and recorded on the magnetic tape 30 of the calling card, and the telephone number of the called party. Dial the called party's number. At this time, if the caller's phone number is not automatically dialed, the insertion part of the card reader unit 1 is opened and the calling card is returned.

Subsequently, when connected to the called party's telephone number, the call circuit unit 5 is activated to make a telephone call, and charging is started to the called party's telephone number by the signal of the main control unit 3. If the called party's telephone number is not connected, the calling circuit unit (5) automatically dials the called party's number again as it is disabled.

And, if the call termination signal by the handset of the user of the public telephone or the called party communication user is not transmitted to the main control unit 3, the call circuit unit 5 continues to be activated, and if the call termination signal is transmitted to the main control unit Transfer to (3) and the billing is terminated, the call circuit unit 5 is deactivated. In addition, when the call termination signal by the handset of the user of the public telephone is transmitted to the main controller 3, the call circuit 5 is deactivated and the insertion portion of the card reader 5 is opened to return the call card.

As described above, according to the present invention, since a specific number and a telephone number are previously inputted on the calling card so that the telephone call is automatically made when the calling card is inserted into the payphone, children or the elderly and the like use the paycard on the payphone. Just insert the phone has the effect that you can make a convenient phone call.

Claims (3)

In calling card of public telephone, A main body 10 made of plastic and a magnetic tape 20 attached to a portion of the front or rear surface of the main body, On the magnetic tape (20), a calling card of a public telephone, characterized in that an identification number and a virtual number indicating that the incoming billing service subscriber and a telephone number of the called party are encoded. The method of claim 1, The calling card is a calling card of a public telephone, characterized in that the magnetic card. The method of claim 1, The calling card is a calling card of a public telephone, characterized in that the credit card.