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Priority to KR1019890004235ApriorityCriticalpatent/KR900015537A/en
Publication of KR900015537ApublicationCriticalpatent/KR900015537A/en
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment
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Abstract
내용 없음.No content.
Description
VTR 및 TV의 동시 온, 오프회로Simultaneous on and off circuit of VTR and 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.
Claims (1)
안테나(1)에 접속된 튜너(2)와 VIF단(4) 및 SIF단(5)을 통하여 VTR 신호 입력단(S1)과 접속된 스위치(9)와 스피커(8)를 접속하고 이 스위치(9)에는 동기분리단(6)과 칼라 디코더단(10)을 통하여 CPT(11)를 접속함과 아울러 상기 동기 분리단(6)의 일측으로는 다이오드(D2)(D3)를 통하여 마이컴(3)과 상기 SIF단(5)을 접속하고 다른 일측으로는 CPT(11)와 접속된 편향단(12)을 접속한 것에 있어서, 상기 VTR 신호 입력단(S1)에 동기 신호검출부(7)를 접속하여 이의 출력단을 마이컴(3)에 접속함과 아울러 다이오드(D1)를 통하여는 스위치(9)에 접속하고 이 다이오드(D1)의 캐소우드에 베이스가 마이컴(3)에 접속된 트랜지스터(Q1)의 컬렉터를 저항(R11)과 공통으로 접속하여서 구성됨을 특징으로 하는 VTR 및 TV의 동시 온, 오프회로A switch 9 and a speaker 8 connected to the VTR signal input terminal S 1 and a speaker 8 are connected via a tuner 2 connected to the antenna 1, a VIF stage 4, and a SIF stage 5, and the switch ( 9) CPT (11) is connected through the synchronous separation stage 6 and the color decoder stage 10, and one side of the synchronous separation stage (6) through the diode (D 2 ) (D 3 ) (3) and the SIF stage 5 are connected, and the other end is connected to the deflection stage 12 connected to the CPT 11, the synchronization signal detection unit 7 to the VTR signal input terminal (S 1 ) connected by connecting its output to the microcomputer 3 to hereinafter as well as connected to the switch (9) via a diode (D 1) and the base is connected to the microcomputer 3 to the cathode of the diode (D 1) transistor A simultaneous on and off circuit of the VTR and the TV, characterized in that the collector of Q 1 is connected in common with the resistor R 11 .※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890004235A1989-03-311989-03-31
Simultaneous on and off circuit of VTR and TV
KR900015537A
(en)