KR0124810B1 - A circuit for alarm of telephone receiving using television system - Google Patents

Abstract

The circuit indicates state of incoming call with OSD text on CRT. The circuit includes an A/D converter(16) converting ring analog signal of the call to digital one, a microprocessor(18) discriminating whether the converted ring signal is for call and providing control signal, a memory(20) storing OSD text data and providing it when the control signal is received, and a processor(22) providing the text data mixed to broadcasting signal to the CRT.

Description

Incoming call notification circuit using TV receiver

1 is a circuit diagram showing a call reception notification circuit using a television receiver according to the present invention.

2 is a circuit diagram showing another embodiment of a call reception notification circuit using a television receiver according to the present invention.

* Explanation of symbols for the main parts of the drawings

10: ring signal processing unit 12: transformer

14 speaker 16 analog / digital transducer

18: micom 20: OSD character storage unit

22: OSD character processing unit 24: Screen

26: video / audio signal processing unit 28: tuner

30: telephone circuit 32: switching unit

34: Handset 36: Speaker

38: microphone

The present invention relates to a call reception notification circuit using a television receiver for detecting a ringing tone of a telephone using a television receiver. More particularly, the present invention relates to a telephone incoming call while watching a television receiver at home. The present invention relates to a call reception notification circuit using a television receiver, which can notify a screen that a call is received by OSD text in place of an output ring signal.

In general, a telephone can be divided into a wired telephone and a cordless telephone. A wired telephone transmits a voice signal to a receiver and a receiver capable of listening to the other party's voice signal as well as the telephone body is fixedly connected to a telephone line connected to the outside. In order to make a phone call, the user has to make a phone call only in an area corresponding to the length of the connection line connected to the main body and the handset period.

However, unlike the above-mentioned wired telephone, the wireless telephone is divided into base and handy, so that voice calls and key input signals are wirelessly transmitted and received between the base and the handy. It has the features to do it.

Wired / wireless telephones as described above are mainly used in homes or offices, and in addition to telephones, other home appliances (wherein home appliances are television sets, video cassette recorders, radios, compact disc players, and laser disc players) In the present invention, a television receiver is described as an example.), And the user outputs from the telephone when a telephone is received while watching music or a television broadcast by using an acoustic apparatus among home appliances. I was surprised by the ringing of the phone. In particular, in such a case, when a user tunes in to a broadcast signal using a TV receiver, the call rings and the phone rings. Sometimes, the user may be surprised by the ringing tone. In the meantime, even when the incoming call was received, there was a case that the phone call could not be made because it did not hear the ringing tone.

Therefore, the present invention has been invented to prevent the above-mentioned case, when the telephone is connected while watching a television receiver by connecting the telephone to the television receiver, the incoming call instead of the telephone ringing output to the speaker of the telephone It is an object of the present invention to provide a call reception notification circuit using a television receiver for displaying OSD text indicating that a picture is received.

Another object of the call reception notification circuit using the television receiver of the present invention is to connect a separate microphone and a speaker to a television receiver, and when the incoming call is made as in the above object, a telephone call received by using a speaker and a microphone is operated by operating a remote controller. It is to be done.

The present invention for realizing the above object is characterized in that, in a typical telephone and television receiver, when an incoming call is made to the telephone, it is possible to display OSD text indicating that the incoming call is made on the screen of the television receiver. It is to have.

In addition, the incoming call notification circuit using the television receiver of the present invention allows the user to make a phone call with a microphone and a speaker configured on the television receiver by operating the remote controller to view the screen of the television receiver and recognize the incoming call state. It is to have.

Hereinafter, the configuration and operation effects of the present invention will be described in more detail with reference to the accompanying drawings.

As shown in FIG. 1, the present invention provides a ring signal processing unit 10 for processing a ring signal input through a telephone line, and a transformer 12 for varying and outputting the level of the ring signal of the ring signal processing unit 10. ), A conventional telephone including a variable resistor (VR) and a speaker 14, and a video / audio signal processor 26 for processing a broadcast signal through the tuner 28 and outputting the signal to the screen 24. In the television receiver configured to detect the incoming call by the analog / digital converter 16 for converting the ring signal input to the telephone line into a digital signal and the ring signal of the analog / digital converter 16 A microcomputer 18 for outputting a control signal, an OSD text data storage unit 20 for outputting OSD text data stored under the control of the microcomputer 18, and the OSD text data by processing the OSD text data. ) It is composed of the OSD text processing unit 22 for outputting with the broadcast signal.

In addition, the present invention is a ring signal processing unit 10 for processing a ring signal input through the telephone line as shown in Figure 2 and a transformer for varying the level of the ring signal of the ring signal processing unit 10 and outputs ( 12) the variable resistance (VR), the speaker 14 and the telephone circuit 30 for transmitting and receiving the other party's voice signal through the telephone line, and the handset 34 for receiving the other party's voice signal and transmitting the voice signal to the other party. A television receiver comprising a telephone configured to include a video signal and a video / audio signal processor 26 for processing a broadcast signal through a tuner 28 and outputting it to a screen 24. A ring input to the telephone line. An analog / digital converter 16 for converting a signal into a digital signal, a micom 18 for searching for a ring signal of the analog / digital converter 16 to determine whether an incoming call is received, and outputting a control signal; OSD character data storage unit 20 for outputting the OSD character data being stored under the control of the microcomputer 18, and an OSD character processor for processing the OSD character data and outputting it with the broadcast signal to the screen 24 of the television receiver. 22) and the switching operation under the control of the microcomputer 18 which outputs a switching signal according to the remote control operation when the telephone is incoming to the telephone line so that the output of the telephone circuit 30 is received by the handset 34, the speaker 36 and the microphone. And a switching section 32 that selectively connects to 38.

Referring to the operational effects of the present invention configured as described above are as follows.

By setting the environment such as channel, volume level and color of the television receiver by operating keys formed on the remote controller for controlling the operation of the television receiver, the tuner 28 of the television receiver is controlled by the microcomputer that recognizes the remote controller signal transmitted from the remote controller. In the case where the set broadcast signal is received and applied to the video / audio signal processor 26, the video / audio signal processor 26 processes the applied video / audio signal and outputs it to the screen 24 of the television receiver. .

In this way, while the broadcast signal received through the tuner 28 is tuned and viewed on the screen 24, a ring signal, which is an incoming call signal, is input through a telephone line, and the input ring signal is inputted from the analog / digital converter 16. The digital signal is converted into a digital signal and applied to the microcomputer 18 so that the microcomputer 18 detects the incoming call through the telephone line.

Here, when the analog / digital converter 16 is not connected to the telephone line, it is output as a bell signal through the ring signal processing unit 10, the transformer 14, and the speaker 14 input through the telephone line.

Upon recognition of the ring signal input through the telephone line, the microcomputer 18 drives the OSD text data storage unit 20, which stores the OSD text data indicating the incoming / outgoing call state, and applies OSD text data to the OSD text processor 22. The OSD character processor 22 driving under the control of the microcomputer 18 processes the OSD character data applied from the OSD character data storage 20 and outputs the OSD character to the screen 24 as OSD characters.

Accordingly, the viewer can make a telephone call by judging whether the current telephone call is received by the OSD text outputted on the screen 24 of the television receiver while watching the television receiver.

In addition, as shown in FIG. 2, the present invention reads the OSD text outputted on the screen 24 of the television set, determines whether the call is received, and then operates the key for the telephone call of the key configured in the remote controller. Recognizing this, the switching unit 32 performs a switching operation (at this time, the hook switch of the phone works in conjunction).

That is, when a key of the remote controller is operated to make a telephone call, the telephone circuit 30 connected with the handset 34 is connected to the speaker 34 and the microphone 38 of the television receiver under the control of the microcomputer 18, You can make a phone call while watching.

As described above, the present invention is to display the OSD text indicating that the incoming call is made on the screen of the television receiver when the incoming call is made to the phone, and to view the screen of the television receiver to recognize the incoming call state and then to make a telephone call. By operating the remote control, it is possible to make a telephone call with a microphone and a speaker configured on the television receiver, so that the incoming call can be checked while watching the television receiver.

Claims (2)

18. A telephone incoming call notification circuit using a television receiver, in which a telephone receiver is connected to a telephone line so that an incoming call can be notified through a television receiver, wherein the microcomputer 18 outputs a switching signal according to a remote control operation when the telephone line is received. And a switching unit (32) for selectively switching the output of the telephone circuit (30) to the handset (34), the speaker (36) and the microphone (38) by the control of the control unit. Incoming call notification circuit. The telephone call notification circuit using a television receiver according to claim 1, wherein the switching unit (32) interlocks the hook switch of the telephone by the switching operation to perform the switching operation.