KR840005002A - 자기녹화 재생장치 - Google Patents

자기녹화 재생장치 Download PDF

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Publication number
KR840005002A
KR840005002A KR1019830001929A KR830001929A KR840005002A KR 840005002 A KR840005002 A KR 840005002A KR 1019830001929 A KR1019830001929 A KR 1019830001929A KR 830001929 A KR830001929 A KR 830001929A KR 840005002 A KR840005002 A KR 840005002A
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KR
South Korea
Prior art keywords
signal
recording
magnetic
tape
circuit
Prior art date
Application number
KR1019830001929A
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English (en)
Other versions
KR860000614B1 (ko
Inventor
고오이찌 야마다 (외 6)
Original Assignee
야마시다 도시히꼬
마쯔시다 덴기산교 가부시끼 가이샤
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
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Application filed by 야마시다 도시히꼬, 마쯔시다 덴기산교 가부시끼 가이샤 filed Critical 야마시다 도시히꼬
Publication of KR840005002A publication Critical patent/KR840005002A/ko
Application granted granted Critical
Publication of KR860000614B1 publication Critical patent/KR860000614B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads

Abstract

내용 없음

Description

자기녹화 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제12도는 본 발명의 구체적인 실시예를 나타내는 도면.
제13도는 큐우동작시에 있어서의 제4도에 나타낸 회로 블록도의 각부 동작 파형도.
제14도는 본 발명의 일실시예의 요부를 나타내는 블록도.

Claims (7)

  1. 기록시에 서로 주파수가 다른 4종류의 파일로트 신호(f1p, f2p, f3p, f4p)기록하여야 할 텔레비젼 신호의 1필드마다에 순차 절환하여 상기 텔레비전신호에 중첩해서 회전 헤드에 의해서 필드의 텔레비전 신호가 1본의 기록트랙이 되도록 자기테이프 위에 순차 기록하고, 기록시와 동일한 테이프 속도로 재생하는신호와 기준신호와의 각 주파숯파인 제1의 주파수의 제1의 신호와 제1의 주파수의 제2의 신호를 작성하고그 제1의 신호와 제2의 신호의 레벨차에 따른 트래킹에러 신호에의해서 기록트랙과 회전헤드의 재생주사궤적과의 상대위치 관계를 제어하는 헬리컬 주사방식의 자기녹화 재생장치에 있어서, 기록시의 테이프속도와 다른 테이프 속도로 재생할 때에, 상기 제1의 신호와 제2의 신호와의 레벨이 일치한 시점에서 펄스신호를 발생시키고, 이 펄스신호를, 자기테이프위의 기록트랙패턴의 소정위치를 상기 회전헤드가 재생한 것을나타내는 신호로서 사용해서, 상기 회전헤드의 재생주사궤적과 기록트랙과의 상대원치관계를 제어하는 것을 특징으로 하는 자기 녹화 재생장치
  2. 제1항에 있어서, 상기 기준 신호로서 상기 4종류의 파일로트 신호의 하나의 주파수를 설정하고, 상기 펄스 신호의 발생에 따라서 자기테이프의 주행을 정지시키는 것을 특징으로 하는 자기녹화 재생장치.
  3. 제1항에 있어서, 기록시의 N배의 속도로 자기테이프를 기록시와 동일한 방향으로 이송시켜서 재생할 때, 기준 신호로서 상기 4종의 파일로트신호를 기록시와는 반대의 순서로 공급해서 펄스 신호를 얻는 것을 특징으로 하는 자기기록 재생장치.
  4. 제1항에 있어서, 기록시의 N배인 속도의 테이프 속도로 기록시와 역방향으로 자기테이프를 이송해서 재생화상을 얻는 역방향의 금속이송재생시, 기준 신호로서 상기 4종의 파일로트 신호를 기록시와는 반대의 순서로 공급해서 펄스 신호를 얻는 것을 특징으로 하는 자기기록 재생장치.
  5. 제1항에 있어서, 슈미트회로와 이 슈미트회로의 출력이 입력되는 대형파 발생회로와, 이 대형파 발생회로의 출력이 입력되는 파형 정형회로와, 이 파형 정형회로의 출력과 상기 슈미트회로의 출력을 입력으로 하는 Ex-OR 회로로 의사콘트롤신호 작성회로를 구성하고, 상기 슈미트회로에 트래킹 에러신호를 가하여, 상기 EX-OR 회로의 출력에서 얻어지는 펄스를 사용해서 트래킹 제어를 행하는 것을 특징으로 하는 자기기록 재생장치.
  6. 제5항에 있어서, 기록시의 N배인 속도의 테이프 속도로 자기테이프를 이송해서 재생화상을 얻는 정방향의 금속이송재생시 기준 신호로서, 상기 4종의 파일로트 신호를 기록시와는 반대의 순서로 공급하고 의사 콘트롤 신호 작성회로의 출력 펄스를 1/(N-1)로 분주하여, 이 분주된 펄스를 사용해서 트래킹의 제어를 행하는 자기기록 재생장치.
  7. 제5항에 있어서, 기록시의 N배속의 테이프 속도로 자기테이프를 이송해서 재생화상을 얻는 반대방향의 금속이송재생시, 기준 신호로서, 4종의 파일로트 신호를 기록시와는 반대의 순서로 공급하고, 의사 콘트롤신호 작성회의 출력 펄스를 1/(N-1)로 분주하여, 이 분주된 펄스를 사용해서 트래킹의 제어를 행하는 자기기록 재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830001929A 1982-05-07 1983-05-06 자기녹화 재생장치 KR860000614B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP76817 1982-05-07
JP57-76817 1982-05-07
JP57076817A JPS58194480A (ja) 1982-05-07 1982-05-07 磁気録画再生装置

Publications (2)

Publication Number Publication Date
KR840005002A true KR840005002A (ko) 1984-10-31
KR860000614B1 KR860000614B1 (ko) 1986-05-22

Family

ID=13616220

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001929A KR860000614B1 (ko) 1982-05-07 1983-05-06 자기녹화 재생장치

Country Status (6)

Country Link
US (1) US4644414A (ko)
EP (1) EP0094194B1 (ko)
JP (1) JPS58194480A (ko)
KR (1) KR860000614B1 (ko)
BR (1) BR8302339A (ko)
DE (1) DE3380425D1 (ko)

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Also Published As

Publication number Publication date
EP0094194B1 (en) 1989-08-16
JPS58194480A (ja) 1983-11-12
EP0094194A2 (en) 1983-11-16
EP0094194A3 (en) 1985-10-30
BR8302339A (pt) 1984-01-10
DE3380425D1 (en) 1989-09-21
JPH0345590B2 (ko) 1991-07-11
KR860000614B1 (ko) 1986-05-22
US4644414A (en) 1987-02-17

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