KR880013139A - Fine playback device for video tape recorder (VTR) - Google Patents

Fine playback device for video tape recorder (VTR) Download PDF

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Publication number
KR880013139A
KR880013139A KR870003865A KR870003865A KR880013139A KR 880013139 A KR880013139 A KR 880013139A KR 870003865 A KR870003865 A KR 870003865A KR 870003865 A KR870003865 A KR 870003865A KR 880013139 A KR880013139 A KR 880013139A
Authority
KR
South Korea
Prior art keywords
signal
memory
fine
converter
input
Prior art date
Application number
KR870003865A
Other languages
Korean (ko)
Other versions
KR900005065B1 (en
Inventor
이홍석
Original Assignee
구자학
주식회사 금성사
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 구자학, 주식회사 금성사 filed Critical 구자학
Priority to KR1019870003865A priority Critical patent/KR900005065B1/en
Publication of KR880013139A publication Critical patent/KR880013139A/en
Application granted granted Critical
Publication of KR900005065B1 publication Critical patent/KR900005065B1/en

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, 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
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음No content

Description

비데오 테이프 레코더(VTR)용 미세 재생장치Fine playback device for video tape recorder (VTR)

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

제1도는 본 발명 장치의 개략 구성도, 제2도는 본 발명 장치의 마이크로 컴퓨터에 기억된 프로그램의 유통도.1 is a schematic configuration diagram of an apparatus of the present invention, and FIG. 2 is a distribution diagram of a program stored in a microcomputer of the apparatus of the present invention.

Claims (1)

드럼헤드, 재생신호 제어부, 전치 증폭기, 재생신호 처리부, 아날로그디지탈 스위치, 아날로그 디지탈(A/D)변환기, 메모리, 디지탈 아날로그(D/A) 변환기 및 마이크로 컴퓨터로 구성된 VTR 재생장치에 있어서, 재생신호 제어부(2)의 출력을 수직 동기 신호 분리기(6)를 통하여 아날로그 스위치(5)의 제어 입력(C)에 연결함과 동시에 수직 동기 신호 분리기(6)의 출력을 게이트 어레이(10)를 통하여 A/D 변환기(7) 메모리(8) D/A변환기(9)에 연결하며 동시에 강제 동기 신호 발생기(11)를 통하여 D/A변환기(9)에 연결하고, 마이크로 컴퓨터(13)내에는 미세 재생 입력단자(O)를 형성하며, 마이크로컴퓨터(13)내에는 미세 재생 입력단자(O)에 신호 입력이 있는가를 조사하여 신호 입력이 있으면 하나의 필드분의 재생신호를 메모리(8)에 기억시키고 다음 필드분의 재생신호를 수직 동기신호 분리기(6)에 인가하며, 미세 재생 입력단자(O)에 신호 입력이 없으면 아날로그 스위치(12)를 재생신호 처리부(14)에 접속하여 정상 영상 출력을 발생하도록 하는 제1단계와, 수직 동기신호 분리기(6)에서 수직 동기신호가 검출되면 아날로그 스위치(5)를 통하여 재생신호를 메모리(8)에 기억시키며 수직 동기신호가 분리되지 않으면 아날로그 스위치(5)가 오프되어 메모리(8)에 기억된 필드분의 재생신호를 출력시키는 제2단계와, 아날로그 스위치(12)는 메모리(8)에 연결되어 미세 영상 출력을 발생하는 제3단계의 프로그램을 기억시켜된 비데오 테이프 레코더(VTR)용 미세 재생장치.A VTR playback device comprising a drum head, a playback signal control unit, a preamplifier, a playback signal processing unit, an analog digital switch, an analog digital (A / D) converter, a memory, a digital analog (D / A) converter, and a microcomputer, wherein the playback signal Connect the output of the control unit 2 to the control input C of the analog switch 5 via the vertical synchronizing signal separator 6 and simultaneously output the output of the vertical synchronizing signal separator 6 through the gate array 10. / D converter (7) to memory (8) to D / A converter (9) and at the same time to the D / A converter (9) via a forced synchronization signal generator (11), and fine reproduction in the microcomputer (13) The input terminal O is formed, and the microcomputer 13 checks whether there is a signal input to the fine reproducing input terminal O, and if there is a signal input, the regeneration signal for one field is stored in the memory 8 and then The reproduction signal of the field is vertical When the signal is input to the synchronization signal separator 6 and there is no signal input to the fine reproduction input terminal O, the first step of connecting the analog switch 12 to the reproduction signal processing unit 14 to generate a normal image output, and vertical When the vertical synchronizing signal is detected by the synchronizing signal separator 6, the reproduction signal is stored in the memory 8 through the analog switch 5, and when the vertical synchronizing signal is not separated, the analog switch 5 is turned off to the memory 8; The second step of outputting the reproduced signal for the stored field, and the analog switch 12 for the video tape recorder (VTR) connected to the memory 8 to store the program of the third step of generating fine image output. Fine regeneration device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870003865A 1987-04-22 1987-04-22 Video signal improvement system of video tape recoder KR900005065B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870003865A KR900005065B1 (en) 1987-04-22 1987-04-22 Video signal improvement system of video tape recoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870003865A KR900005065B1 (en) 1987-04-22 1987-04-22 Video signal improvement system of video tape recoder

Publications (2)

Publication Number Publication Date
KR880013139A true KR880013139A (en) 1988-11-30
KR900005065B1 KR900005065B1 (en) 1990-07-19

Family

ID=19260892

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003865A KR900005065B1 (en) 1987-04-22 1987-04-22 Video signal improvement system of video tape recoder

Country Status (1)

Country Link
KR (1) KR900005065B1 (en)

Also Published As

Publication number Publication date
KR900005065B1 (en) 1990-07-19

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