KR910003646A - Automatic Search Circuit of Video Tape Recorder - Google Patents

Automatic Search Circuit of Video Tape Recorder Download PDF

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Publication number
KR910003646A
KR910003646A KR1019890009698A KR890009698A KR910003646A KR 910003646 A KR910003646 A KR 910003646A KR 1019890009698 A KR1019890009698 A KR 1019890009698A KR 890009698 A KR890009698 A KR 890009698A KR 910003646 A KR910003646 A KR 910003646A
Authority
KR
South Korea
Prior art keywords
signal
unit
mode
control
switching
Prior art date
Application number
KR1019890009698A
Other languages
Korean (ko)
Other versions
KR920002495B1 (en
Inventor
백종관
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 KR1019890009698A priority Critical patent/KR920002495B1/en
Publication of KR910003646A publication Critical patent/KR910003646A/en
Application granted granted Critical
Publication of KR920002495B1 publication Critical patent/KR920002495B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/087—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing recorded signals

Landscapes

  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음.No content.

Description

비디오 테이프 레코더의 자동 탐색회로Automatic Search Circuit of Video Tape Recorder

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

제2도는 본 발명의 회로도.2 is a circuit diagram of the present invention.

Claims (1)

시스템을 제어하는 마이컴(20)과, 재생비디오신호 및 시스템 외부입력 비디오신호를 입력하여 제1상태 일시 EE모드로 동작하며 제2상태일시 상기 마이컴(20)의 제어를 받아 재생모드로 동작하는 기록 및 재생부(10)와, 상기 마이컴(20)의 제어를 받아 테이프 이동모터를 동 작시키는 모터구동부(30)를 구비한 비디오 테이프 레코더에 있어서, 재생FM신호를 입력하여 싱크팁 주파수를 검출 출력하는 피이킹부(40)와, 상기 검출신호를 소정 증폭하는 증폭부 (50)와, 상기 증폭신호를 정류하여 탐색 제어신호를 발생하는 정류부(60)와, 상기 탐색 제 어신호의 제어를 받아 상기 기록 및 제어부(10)를 재생모드로 절환시키며 상기 모터구동부 (20)를 서치모드로 절환시키는 모드 절환신호를 발생하는 스위칭부(70)와, 상기 모드절환신 호를 소정시간 지연하여 상기 마이컴(20)으로 정지 제어신호를 발생하는 정지제어부(80)로 구성됨을 특징으로 하는 자동 탐색회로.A microcomputer 20 for controlling a system, a playback video signal and a system external input video signal are input to operate in a first state temporary EE mode and operate in a playback mode under the control of the microcomputer 20 at a second state. And a video tape recorder having a playback section (10) and a motor driving section (30) for operating a tape moving motor under the control of the microcomputer (20), wherein the playback FM signal is input to detect and output a sync tip frequency. A peaking unit 40, an amplifying unit 50 for amplifying the detection signal, a rectifying unit 60 for rectifying the amplified signal to generate a search control signal, and under the control of the search control signal, A switching unit 70 for generating a mode switching signal for switching the recording and control unit 10 to a reproducing mode and for switching the motor driving unit 20 to a search mode, and delaying the mode switching signal for a predetermined time. 20) an automatic search circuit comprising a stop control unit 80 for generating a stop control signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890009698A 1989-07-07 1989-07-07 Automatic searching circuit of video tape recorder KR920002495B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890009698A KR920002495B1 (en) 1989-07-07 1989-07-07 Automatic searching circuit of video tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890009698A KR920002495B1 (en) 1989-07-07 1989-07-07 Automatic searching circuit of video tape recorder

Publications (2)

Publication Number Publication Date
KR910003646A true KR910003646A (en) 1991-02-28
KR920002495B1 KR920002495B1 (en) 1992-03-26

Family

ID=19287913

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009698A KR920002495B1 (en) 1989-07-07 1989-07-07 Automatic searching circuit of video tape recorder

Country Status (1)

Country Link
KR (1) KR920002495B1 (en)

Also Published As

Publication number Publication date
KR920002495B1 (en) 1992-03-26

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