KR970004750A

KR970004750A - Voice interference prevention device of multi TV

Info

Publication number: KR970004750A
Application number: KR1019950018486A
Authority: KR
Inventors: 박선준
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-06-30
Filing date: 1995-06-30
Publication date: 1997-01-29

Abstract

본 발명은 멀티 텔레비젼이 음성간섭 방지장치에 관한 것으로, 다수의 방송방식에 대한 수신이 가능한 멀티 텔레비젼에서 상기 방송방식중 대응하는 방식의 음성신호를 필터링하기 위한 제1∼제3대역통과필터(40,42,44)와, 그 제1∼제3대역통과필터(40,42,44)에서 대역통과된 음성방식의 검출을 위한 제1∼제3음성방식검출부(50,52,54), 그 음성방식검출부(50,52,54)에서 검출된 방식의 음성신호에 대한 전압을 얻기 위한 제1∼제3적분회로(60,62,64), 그 제1∼제3적분회로(60,62,64)에 생성되는 전압에 의해 상기 다수의 방송방식중에서 상기 방송신호의 방송방식에 관한 음성신호의 경로를 차단하여 음성의 간섭을 방지하기 위한 제1∼제3스위칭부(70,72,74)를 갖추어 구성되고, 상기 스위칭부(70,72,74)중 상기 제1스위칭부(70)는 상기 제2 및 제3대역통과필터(42,44)의 입력측에 접속되는 반면 상기 제2스위칭부(72)는 상기 제1 및 제3대역통과필터(40,44)의 입력측에 접속되며 상기 제3스위칭부(74)는 상기 제1 및 제2대역통과필터(40,42)의 입력측에 접속된 것이다.The present invention relates to an apparatus for preventing voice interference of a multi-TV, and includes a first to third band pass filter (40) for filtering a voice signal of a corresponding one of the broadcasting methods in a multi-TV capable of receiving a plurality of broadcasting methods. 42, 44, and first to third voice method detectors 50, 52, and 54 for detecting a voice method that is band-passed by the first to third band pass filters 40, 42, and 44, and First to third integrator circuits 60, 62, and 64 for obtaining voltages for the voice signals of the manner detected by the voice method detectors 50, 52, and 54, and the first to third integrator circuits 60, 62. First to third switching units 70, 72, and 74 for preventing the interference of voice by blocking the path of the voice signal related to the broadcast method of the broadcast signal among the plurality of broadcast methods by the voltage generated at 64; And the first switching unit 70 of the switching units 70, 72 and 74 is provided at the input side of the second and third band pass filters 42 and 44. While the second switching unit 72 is connected to the input sides of the first and third band pass filters 40 and 44, and the third switching unit 74 is connected to the first and second band pass filters ( It is connected to the input side of 40,42.

Description

Voice interference prevention device of multi TV

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

제2도는 본 발명에 따른 멀티 텔레비젼의 음성간섭 방지장치의 구성을 나타낸 블럭도이다.2 is a block diagram showing the configuration of an audio interference prevention device for multi-TV according to the present invention.

Claims

In a multi-TV capable of receiving a plurality of broadcast methods, first through third band pass filter means (40, 42, 44) for filtering a voice signal of a corresponding method among the broadcast methods, and the band pass filter. First to third voice method detecting means 50, 52, and 54 for detecting the voice method passed by means 40, 42, and 44, and detected by the voice method detecting means 50, 52, and 54 The first to third integrating circuit means (60, 62, 64) and the voltage generated in the integrating circuit means (60, 62, 64) for obtaining a voltage for the voice signal of the scheme And a switching means (70, 72, 74) for preventing the interference of the voice by blocking the path of the voice signal in the broadcast method of the broadcast signal.

The method of claim 1, wherein the switching means (70, 72, 74) is a band pass filtering of the voice signal by the detection voltage signal of the voice method provided from the first to third integrating circuit means (60, 62, 64) A first to third switching unit for blocking the input of the remaining band pass filter except the band pass filter means, wherein the first switching unit 70 is the second and third band pass filter (42,44) The second switching unit 72 is connected to the input side of the first and third band pass filters 40 and 44, and the third switching unit 74 is connected to the input side of the first and second An audio interference prevention device for multi-TV, characterized in that connected to the input side of the band pass filter (40, 42).

※ Note: The disclosure is based on the initial application.