KR20010103391A - Telephone apparatus for displaying caller id and data processing method thereof - Google Patents

Abstract

The present invention relates to a technology for informing a caller ID to a called party prior to a telephone call. The present invention provides a caller ID display device that provides caller ID-related data including a name, as well as a caller's telephone number, from a switchboard in Korean. And methods.

The caller ID display device according to the present invention includes a DC detection unit for detecting an incoming call ringback tone, a mute circuit unit for blocking the subscriber from listening to data tones while receiving caller ID-related data transmitted from an exchange, and data. And a control unit for extracting and controlling the connection between the called telephone and the trunk line.

As a result, the caller ID display device according to the present invention can read the caller ID of the incoming call from the display device without determining the disturbance of the conversation in a busy state, so that the caller ID display device can determine whether the call is connected.

Description

Caller ID display and data processing {TELEPHONE APPARATUS FOR DISPLAYING CALLER ID AND DATA PROCESSING METHOD THEREOF}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caller ID display device and a data processing method for providing a caller phone number or caller information to a receiver. Particularly, a caller ID display device connected to a regular phone acquires caller information from a caller. It relates to the technology to control trunk lines

In recent years, as the infringement of personal life over the telephone or the problem of telephone violence has become a serious social problem, there is an increasing demand for a service for a called party to verify caller ID before receiving a caller's call. Various methods have been proposed to solve the aforementioned telephone violence problem.

In Korean Patent Publication No. 1998-034174, a caller's telephone number tracking button is pressed to automatically hook a hook flash and numbers to be dialed automatically. The technique is disclosed.

In addition, Korean Patent Laid-Open Publication No. 1999-002738 discloses that when a called party registers a function of tracking a calling party's telephone number, and a call access notification is performed from a specific caller who does not want to receive a call by registering a call rejection service for a specific caller. The present invention discloses a technique for transmitting an error message caused by a call forwarding service of a specific caller.

In addition, since the conventional call trace (malicious call trace) technology is output through the terminal device located in the telephone station where the switchboard is installed, the subscriber should call to the telephone station to inquire, and related messages are used for other operations and maintenance. Since a plurality of subscribers inquire at the same time, or requests after some time has elapsed, it may take a long time to check the malicious call trace.

In addition, a technique of using a password input telephone has been proposed to block anxiety from telephone violence in advance, but the above-described conventional technique has a problem that it is impossible to receive an emergency call generated from a person who does not know a password. Accordingly, there is a demand for the appearance of a telephone apparatus provided with a caller information display apparatus capable of determining not only a caller's telephone number but also caller information before a call connection, so as to determine a call or a call rejection.

Accordingly, a first object of the present invention is to provide a caller ID display device and a caller information processing method for displaying caller information as well as caller phone number.

The second object of the present invention is, in addition to the first object, a caller ID capable of blocking the reception of data tones and preventing transmission interference due to voice signals while receiving data transmitted from the exchange in a busy state. (caller ID) A display device and a data processing method are provided.

A third object of the present invention is to provide a caller ID display device and a data processing method for displaying and providing a caller detailed information in Korean in addition to the caller's telephone number in addition to the first object.

A fourth object of the present invention is, in addition to the first object, maintains a state of holding a telephone in a call while displaying caller information data transmitted from an exchange side on a display device, and by user definition according to the data details. The present invention provides a caller ID display device and a data processing method capable of maintaining a situation of answering or blocking a call.

1 is a diagram showing a system configuration to which the caller ID display apparatus according to the present invention is applied.

2 is a timing diagram of a caller ID display device according to the present invention;

3 is a system configuration diagram of a caller ID display device according to the present invention;

4 illustrates a preferred embodiment of a MUTE circuit portion in accordance with the present invention.

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

100: caller phone

200: called phone

120: subscriber database server

210: caller ID display device

401: first transistor

403: second transistor

400: bridge rectifier diode circuit

406 photocoupler light emitting element

407: photocoupler light receiving element

In order to achieve the above object, a caller ID display device that displays a caller ID of a call that is connected to a called party's telephone and is received through an exchange, is read from a subscriber database server connected to a communication network when a ring tone is generated from the called party's telephone. The caller ID is provided to display the caller's telephone number and name in text.

Hereinafter, a caller ID display device and a data processing method according to the present invention will be described in detail with reference to FIGS. 1 to 4.

1 is a diagram illustrating a system configuration to which a caller ID display device according to the present invention is applied. Referring to FIG. 1, a switch 110 connected to a caller phone 100 and a caller phone 200 are connected to a switch 230 through a caller ID display device 210.

On the other hand, the subscriber network server 120 that stores the detailed information of the telephone subscriber is connected to the telephone communication network 130. The caller ID display device 210 according to the present invention extracts a caller ID from the subscriber database server 120 when a ringing tone is generated from the caller's telephone 200, and then transmits data from the exchanges 110 and 230. It is characterized in that the subscriber is blocked from listening to the data signal during transmission and prevents transmission interference due to the voice signal.

In addition, the caller ID display device 210 controls the phone 200 while the caller ID-related data from the exchange to operate the gist of the technology. While the caller ID display device 210 according to the present invention detects and displays caller ID-related data sent from the exchange side, the caller ID display device 210 maintains a state of holding a telephone in a call, and displays the user ID according to the data display details. It provides a means to maintain the situation of answering or hanging up a call.

2 is a timing diagram of a caller ID display device according to the present invention. Referring to Fig. 2, when a caller makes a call to a called party's telephone, the exchange exchanges a CPE Alerting Signal (CPE) for the first period 10 through the line. CPE, which is an abbreviation of call premise equipment), and detects the customer premise equipment (CPE) during the second period 20 to block the busy state. Perform the operation of holding the.

Subsequently, the control unit of the caller ID display device according to the present invention transmits a signal indicating that the preparation for reception is completed for the third period 30, and within the first guard period 40 and the second guard period 70. Data is received during the fourth 50 and fifth period 60. After the data reception is completed, the control unit of the caller ID display device according to the present invention sends a return command to the MUTE circuit unit to return the hold state of the telephone and the keypad to the original state before the sixth period 80 begins. The MUTE circuit unit then reconnects the trunk line with the telephone.

As a preferred embodiment according to the invention, the first period 10 is 75 to 85 msec, the second period 20 is 0 to 100 msec, the third period 30 is 55 to 66 msec and the fourth period 50 ) May be set to 58 to 75 msec, the first guard period 40 may be 0 to 500 msec, the second guard period 70 may be 0 to 50 msec.

3 is a system configuration diagram of an apparatus for displaying a caller ID according to the present invention. Referring to FIG. 3, a DC detector 300 for detecting ringback tones originating from a called party's telephone 200, and a MUTE that blocks the subscriber from listening to data tones while receiving caller ID related data transmitted from an exchange. Circuit portion 302 is shown.

In addition, the caller ID data transmitted from the exchange is extracted, and the MUTE circuit unit 302 connected to the called party's telephone is applied to extract the caller ID-related data transmitted from the switching unit so as to be connected to the DC detector 300. The controller 301 is shown.

4 is a view showing a preferred embodiment of the MUTE circuit portion according to the present invention. Referring to FIG. 4, the MUTE circuit unit includes a bridge diode 400 for bridge rectifying power of a trunk line, a first transistor 401 connected thereto, and a pull-down resistor entering the base terminal of the first transistor 401. 402 is shown.

Meanwhile, an input control second transistor 403 and photocouplers 406 and 407 for transmitting a signal input to the controller 301 according to the present invention to the base terminal of the first transistor 401 are illustrated. The operation principle of the MUTE circuit section realized with the above-described configuration is as follows.

Referring back to FIG. 4, when the controller 301 that recognizes the CAS signal coming from the trunk line applies the MUTE control low signal to the base of the second control transistor 403, the second transistor is turned off. )do. As a result, a zero (ZERO) signal is applied to the input base terminal of the first transistor 401 through the light receiving element 407 of the photocoupler, so that the first transistor 401 that is turned on is removed from the bridge rectifier circuit 400. The communication path 401 between the incoming trunk line and the telephone 200 is blocked.

As a result, the subscriber can block listening to data tones while receiving data transmitted from the exchange. In addition, when the control unit 301 completes the reception of the data signal transmitted from the trunk line exchange, the control unit 301 uses the MUTE control signal to reopen the communication path between the trunk line coming from the bridge rectifier circuit 400 and the telephone 200. Apply.

As a result, since the second transistor 403 is turned on and the photocoupler light emitting element 406 is turned on, the high voltage is applied to the base terminal of the first transistor 401 through the photocoupler light receiving element 407. When the signal is applied, the first transistor becomes conductive. As a result, the line between the trunk line and the telephone 200 is reopened.

The first transistor 401 or the second transistor 403 constituting the MUTE circuit according to the present invention may be implemented using a bipolar transistor or a field effect transistor, and various types of switches in place of the photocouplers 406 and 407. Can be used as a preferred embodiment.

The foregoing has outlined rather broadly the features and technical advantages of the present invention to better understand the claims of the invention which will be described later. Additional features and advantages that make up the claims of the present invention will be described below. It should be appreciated by those skilled in the art that the conception and specific embodiments of the invention disclosed may be readily used as a basis for designing or modifying other structures for carrying out similar purposes to the invention.

In addition, the inventive concepts and embodiments disclosed herein may be used by those skilled in the art as a basis for modifying or designing other structures for carrying out the same purposes of the present invention. In addition, such modifications or altered equivalent structures by those skilled in the art may be variously changed, substituted, and changed without departing from the spirit or scope of the invention described in the claims.

As described above, the present invention is a caller ID display device for displaying a caller ID (caller ID) to the called party, the MUTE circuit unit to block listening to the subscriber to the subscriber while receiving the caller ID-related data transmitted from the switch By doing so, transmission interference with an audio signal can be prevented.

In addition, after receiving the caller ID-related data transmitted from the exchange, the MUTE circuit is turned on by receiving the CO line conduction signal from the controller so that the CO line and the called telephone can be connected to each other to make a phone call.

By using the caller ID display device according to the present invention for the called party's phone, the called party reads the text information as well as the caller's phone number on the display device, thereby selectively performing incoming call connection requests, thereby preventing privacy invasion. have.

Claims (14)

A caller ID display device that displays a caller ID of a call that is connected to a caller's phone and is received through an exchange, receives the caller ID read from a subscriber database server connected to a communication network when a ringing tone is generated from the caller's phone. Caller ID display device characterized in that. The apparatus of claim 1, wherein the caller ID comprises a caller's telephone number or name. The caller ID display device of claim 1, wherein the caller ID displayed by the caller ID display device includes a letter indicating the caller's telephone number or caller-related information. The caller ID display device which displays the caller ID-related data which is transmitted by extracting a caller ID of a call connected to a called party's phone and received through an exchange from a subscriber database server connected to a communication network, A DC detector for detecting ringback tones generated from the called party's telephone; A MUTE circuit unit which blocks a subscriber from listening to data tones while receiving the caller ID related data transmitted from the exchange; And A control unit which extracts the caller ID related data transmitted from the exchange and connects the DC detection unit by applying an opening signal to the MUTE circuit connected to the called party's telephone to transmit a voice signal to the called party's telephone. Caller ID display device comprising a. The method of claim 4, wherein the MUTE circuit is A bridge diode circuit for bridge rectifying the power of the trunk line; An emitter terminal comprising: a first transistor connected to the called telephone and connected to the bridge diode circuit; A pull-down resistor connected between the base of the first transistor and the called telephone terminal; A second transistor having a base terminal connected to the controller through a resistor; A photocoupler light emitting element connected to the collector of the second transistor and stopping light emission when the second transistor is turned off; And A photocoupler light receiving element connected to the base of the first transistor and forming a pair with the photocoupler light emitting element Caller ID display device comprising a. The method of claim 4, wherein the MUTE circuit is A bridge diode circuit for bridge rectifying the power of the trunk line; A first switch connected to an output of the bridge diode circuit and connected to an input of a called party's telephone to block connection between the trunk line and the called telephone in the process of receiving the caller ID related data; The control unit controls to turn off the first switch according to the MUTE signal output by the controller in the step of receiving the caller ID-related data, and recovers the trunk line output by the controller when receiving the caller ID-related data is completed. A second switch circuit for controlling the first switch to conduct according to a command signal Caller ID display device comprising a. A caller ID display device which displays the caller ID-related data which is transmitted by extracting a caller ID of a call connected to a called party's telephone and entered through an exchange from a subscriber database server connected to a communication network, obtains the data and calls the called party. In the method of controlling, When the caller makes a call to the called party's off-hook, the exchange transmits a CAS signal for a first period of time; Holding the caller ID and keypad for a second period, the caller ID indicating device detecting the CAS signal; Transmitting, by the controller of the caller ID display device, during a third period of time that the caller ID-related data is ready to be received; Receiving the caller ID-related data for a fourth period and a fifth period; And The control unit sends a return command to the MUTE circuit unit constituting the caller ID display device to restore the state of the caller and the keypad of the called party, the MUTE circuit unit connecting the trunk line and the telephone to each other Sender ID data processing method comprising a. 8. The method of claim 7, wherein the fourth period and the fifth period have a first guard period and a second guard period before and after. 10. The method of claim 8, wherein the first guard period is 0 to 500 msec. 10. The method of claim 8, wherein the second guard period is 50 msec or less. 8. The method of claim 7, wherein the first period is 75 to 85 msec. 8. The method of claim 7, wherein the second period is from 0 to 100 msec. 8. The method of claim 7, wherein the third period is from 55 to 65 msec. 8. The method of claim 7, wherein the fourth period is 58 to 75 msec.