KR910004018A - Telephone ringing detection circuit and method in TV - Google Patents

Telephone ringing detection circuit and method in TV Download PDF

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Publication number
KR910004018A
KR910004018A KR1019890010292A KR890010292A KR910004018A KR 910004018 A KR910004018 A KR 910004018A KR 1019890010292 A KR1019890010292 A KR 1019890010292A KR 890010292 A KR890010292 A KR 890010292A KR 910004018 A KR910004018 A KR 910004018A
Authority
KR
South Korea
Prior art keywords
signal
telephone
input
mute
telephone ring
Prior art date
Application number
KR1019890010292A
Other languages
Korean (ko)
Other versions
KR920008626B1 (en
Inventor
황주철
Original Assignee
강진구
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890010292A priority Critical patent/KR920008626B1/en
Publication of KR910004018A publication Critical patent/KR910004018A/en
Application granted granted Critical
Publication of KR920008626B1 publication Critical patent/KR920008626B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

내용 없음.No content.

Description

TV에서의 전화벨소리 감지회로 및 방법Telephone ringing detection circuit and method in TV

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도,1 is a circuit diagram of the present invention,

제2도는 본 발명에 따른 회로의 파형도,2 is a waveform diagram of a circuit according to the present invention;

제3도는 본 발명에 따른 회로의 흐름도.3 is a flow diagram of a circuit according to the invention.

Claims (2)

일반적인 TV를 수행하는 회로에 있어서, 상기 TV의 음성신호를 뮤트제어라인(Mc)을 통한신호에 의해 스위칭하여 출력하는 제2스위칭부(10)와, 상기 제2스위칭부(10)의 출력신호를 저수파 증폭하여 스피커(S)로 보내는 저주파 증폭부(11)와, 전화벨모드(TMI) 입력에 따라 전화선신호(TI)의 유무를 체크하여 상기 제2스위칭(10)를 제어하는 마이콤(12)과, 전화선신호 (TI)의 전압분배에 의해 스위칭하여 반전출력하는 반전신호 출력수단과, 상기 반전신호 출력수단이 출력신호를 적분하여 마이콤(12)을 제어하는 적분수단과, 상기 마이콤(12) 제어에의해 불이 켜지는 전화벨 램프(13)로 구성함을 특징으로하는 TV에서의 전화 벨소리 감지회로.In the circuit for performing a general TV, the second switching unit 10 and the output signal of the second switching unit 10 for switching and outputting the audio signal of the TV by a signal through the mute control line (Mc) Low frequency amplification unit 11 for low frequency amplification and sending to speaker S, and the microcomputer 12 for controlling the second switching 10 by checking the presence or absence of telephone line signal TI according to the telephone ring mode (TMI) input. ), Inverted signal output means for switching and inverting output by voltage distribution of telephone line signal TI, integrating means for controlling the microcomputer 12 by integrating the output signal by the inverted signal output means, and the micom 12 Telephone ring detection circuit in a TV, characterized in that consisting of a telephone ring lamp (13) that is turned on by the control. 일반적인 TV를 수행하는 방법에 있어서, 일반 마이콤루틴을 수행하다 전화벨모드 및 전화선신호가 입력되면 뮤터해제신호의 입력을 체크하는 제1과정과, 상기 뮤트해제신호 입력하면 뮤트기능을 오프하고 뮤트해제신호 입력이 아니면 뮤트기능을 온하여 전화벨 램프를 온한 후 일반 마이콤 루틴을 수행하는 제2과정과, 상기 전화벨 모드이고 전화선신호가 입력되지 않으면 뮤트해제 신호를 로우로 하여 전화벨 램프를 오프한 후 일반 마이콤 루틴을 수행하는 제3과정으로 이루어짐을 특징으로하는 TV에서의 전화 벨소리 감지방법.In the method of performing a general TV, performing a general mycom routine, when the telephone ring mode and the telephone line signal are input, a first step of checking the mute release signal input; when the mute release signal is input, the mute function is turned off and the mute release signal If not, the second process of performing a general micom routine after turning on the mute function to turn on the telephone ring lamp, and if the telephone ring mode is not input and the telephone line signal is not input, turn off the telephone ring lamp by setting the mute release signal to low and then turn off the normal micom routine. Method for detecting a telephone ringing on a TV, characterized in that the third process to perform. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010292A 1989-07-20 1989-07-20 Sensing circuit and method of telephone sound in tv KR920008626B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890010292A KR920008626B1 (en) 1989-07-20 1989-07-20 Sensing circuit and method of telephone sound in tv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890010292A KR920008626B1 (en) 1989-07-20 1989-07-20 Sensing circuit and method of telephone sound in tv

Publications (2)

Publication Number Publication Date
KR910004018A true KR910004018A (en) 1991-02-28
KR920008626B1 KR920008626B1 (en) 1992-10-02

Family

ID=19288252

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010292A KR920008626B1 (en) 1989-07-20 1989-07-20 Sensing circuit and method of telephone sound in tv

Country Status (1)

Country Link
KR (1) KR920008626B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285553B (en) * 1993-12-17 1998-08-19 Barry Clifford Guest Tv calling device for telephone

Also Published As

Publication number Publication date
KR920008626B1 (en) 1992-10-02

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