KR870010531A - 영상신호의 기록 재생장치 - Google Patents

영상신호의 기록 재생장치 Download PDF

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KR870010531A
KR870010531A KR870003227A KR870003227A KR870010531A KR 870010531 A KR870010531 A KR 870010531A KR 870003227 A KR870003227 A KR 870003227A KR 870003227 A KR870003227 A KR 870003227A KR 870010531 A KR870010531 A KR 870010531A
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signal
segment
recording
video signal
channel
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KR910002343B1 (ko
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다쯔시 반나이
시게루 아와모도
미쯔오 지바
세이시 사사끼
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다니이 아끼오
마쓰시다덴기산교 가부시기가이샤
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/08—Pulse-modulation recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3036—Time code signal
    • G11B27/3045—Time code signal superimposed on the recorded main signal, e.g. burn-in-time code
    • 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
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
    • H04N5/78263—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
    • H04N5/78266—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape using more than one track for the recording of one television field or frame, i.e. segmented recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/81—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate

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

Abstract

내용 없음

Description

영상신호의 기록 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발면의 제1의 실시예에 있어서의 기록신호의 파형도
제2도(a)는 동 실시예의 3배속 재생시의 헤드궤적도
제2도(b)는 피일드 메모리의 어드레스를 도시한 개념도
제3도는 동 실시예의 블록도

Claims (8)

1피알드의 영상신호를 복수본의 비데오트랙에 세그먼트 기록할 때에, 상기 1피알드의 영상신호를 N개의 시그먼드(N2)로 분할하고, 이 기록신호의 모든, 혹은 소정의 수평브랭킹기간내에 각각의 세그면트로서 종류가 다른세그먼트인덱스신호를 삽입하는 수단과, 회전헤드 실린더를 상기 연상신호의 프레임주파수의 N배의 주파수로 회전시켜서 상기 기록신호를 기록하는 수단과, 가변속 재생시에 재생영상신호의 세그먼트 인덱스신호를 검출하는 수단과, 상기 재생영상신호를 일시 기억하는 메모리스수단과, 상기 시그멘트인덱스신호를 사용해서 상기 메모리수단을 제어하는 수단을 적어도 갖춘 것을 특징으로 하는 영상신호의 기록 재생장치.
제1항에 있어서,
삽입하는 N종류의 세그먼트 인덱스신호는 기록신호의 싱크칩 레벨로부터 하얀피이크 레벨까지의 2개의 레벨치를 "0""1" 로 한 부호로 부여되는 것을 특징으로 하는 영상신호의 기록 재생장치.
제1항에 있어서,
삽입하는 N종류의 세그먼트인덱스신호는, 기록신호의 싱크칩 레벨로부터 하얀피이크레벨까지의 N개의 레벨치로 부여되는 것을 특징으로 하는 영상신호의 기록 재생장치.
1피일드의 영상신호를 복수본의 비데오트랙에 세그먼트 기록할 때에, 상기1피일드의 영상신호를 N개의 세그면트(N2)로 분할하고, 각 세그면트마다 세그먼트 트랙킹 기간을 설정해서 기록신호로 변환하는 수단과, 상기 세그먼트브랭킹기간내에 세그먼트 동기신호를 삽입하는 수단과, 상기 기록신호의 수평브랭킹기간에 수평동기신호와 비어스트신호를 각각의 세그먼트로소 종류가 다른세그먼트인덱스신호를 삽입하는 수단과, 회전 헤드실린더를 상기 영상신호의 프레임주파수의 N배의 주파수로 회전시켜서 상기 기록신호를 기록하는 수단과, 가변속 재생시에 재생영상신호의 수평동기신호, 및 버어스트신호를 검출하는 수단과, 상기 재생영상신호의 세그먼트인덱스신호를 검불하는 수단과, 상기 재생영상신호의 세그먼트 동기신호를 검출하는 수단과, 상기 검출한 버어스트 신호에 위상 동기된 클록신호를 발생시키는 수단과, 상기재생영상신호를 디지털 변환하는 수단과, 이 디지털 변환된 재생신호를 일시기억하는 메로리 수단과, 적어도 상기 세그먼트 동기신호와 상기 수평동기신호와 상기 세그먼트인덱스 신호와 상기 위상동기 클록신호로 상기 메모리수단을 제어하는 수단과, 상기 메모리수단의 출력을 애널로그 변환하는 수단을 적어도 갖춘 것을 특징으로 하는 영상신호의 기록 새생장치.
제4항에 있어서,
메모리수단이, 적어도 1피일드의 용량을 가지고, 검출된 세그먼트 인덱스신호가 표시하는 세그먼트 어드레스와, 각 시그먼트의 개시위치를 표시하는 세그먼트 동기신호 위치로부터 수평동기신호의 수를 개수한 라인어드레스와, 각 수평주사의 개시위치를 표시하는 수평동기신호로부터 위상동기 클록신호를 개수한 H 이드레스로 제어되어서 재생신호를 기억하는 것을 특징으로 하는 영상신호의 기록재생장치.
1피일드의 영상신호를 세그먼트 기록할때에 상시 영상신호를 M채널(M3의 기수)로 분활하는 수단과, 분할해서 얻은 각 채널의 기록신호의 수평브랭킹기간내에 각각의 세그먼트로서 종류가 다른 세그먼트인덱스신호를 삽입하는 수단과, 기록 매체상의 인접하는 기록트랙의 기록방위각이 다르게 기록헤드가 착설된 회전헤드 실린더를 상기 영상신호의 프레임주파수의 2배의 주파수로 회전시켜서 상기 M 채널의 기록신호를 동시에 기록하는 수단과, 거변속 재생시에 M채널 각각에서 재생영상신호의 세그면트 인덱스신호를 검출하는 수단과, M채널의 재생영상신호를 일시 기억하는 M채절의 메모리수단과, 상기검출한세그먼트 인덱스신호에의해서, 회전실린더의 제 n 세그먼(n=1, 또는 2)의 주사기간이 M채널중 제n세그먼트 이외가 재생되고 있는 채널의 재생영상신호는 제 n 세그먼트의 재생영상신호로 치환되도록 상기메모리수단을 제어하는 수단과, 상기M채널의 메모리수단의 출력을 1채널로 합성하는 수단을 적어도 가진 것을 특징으로 하는 영상신호의 기록재생장치.
제6항에 있어서,
메모리수단이 적어도 영상신호의 1라인의용량을 가지고, 검출된 세그먼트 인덱스신호로 제어되어서 재생신호를 기억하는 것을 특징으로 하는 영상신호의 기록재생장치.
1피일드의 영상신호를 세그먼트 기록할때에, 상기 영상신호를 M채널(M3의 기수)로 분할한 후에 상기1피일드의 영상신호를 2개의 세그먼트의 기록신호로 변환하는 수단과, 각 채널의기록신호의 수평브랭킹기간에 각각의 세그먼트로서 종류가 다른 세그먼트 인덱스신호를 삽입하는 수단과, 기록매체상의 인접하는 기록트랙의 기록방위각이 다르게 기록헤드가 착설된 회전헤드 실린더를 상기 영상신호의 프레임주파수의 2배의주파수로 회전시켜서 상기M채널의 기록신호를 동시에 기록하는 수단과, 가변속 재생시에M채널 각각으로 재생영상신호의 세그먼트 인덱스신호를 검출하는 수단인, 상기 M채널의 재생영상신호를 디지찰 젼환하는 수단과, 이들 M채널의 디지털 변환된 재생영상신호를 일시 기억하는 M채널의 메모리수단과, 상기 검출한 세그먼트 인덱스신호에 의해서, 회전 실린더의 제n세그먼트(n=1, 또는2)의 주사기간에, M채널중의 제 n세그먼트 이회가 재생되어 있는 채널의 재생영상신호는 제n세그먼트의 재생영상신호로 치환되도록 상기 메모리수단을 제어하는 수단과, 상기M채널의 메모리수단의 출력을 1채널로 합성하는 수단과, 이 1채널로 합성한 재생영상신호를 애널로그 변환하는 수단을 적어도 가진 것을 특징으로 하는 영상신호의 기록재생장치.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870003227A 1986-04-04 1987-04-04 영상신호의 기록재생장치 KR910002343B1 (ko)

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Application Number Priority Date Filing Date Title
JP78559 1986-04-04
JP61078559A JPS62234478A (ja) 1986-04-04 1986-04-04 映像信号の記録再生装置

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KR870010531A true KR870010531A (ko) 1987-11-30
KR910002343B1 KR910002343B1 (ko) 1991-04-20

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US (1) US4887169A (ko)
EP (1) EP0240364B1 (ko)
JP (1) JPS62234478A (ko)
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DE (1) DE3780057T2 (ko)

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JPS62234478A (ja) 1987-10-14
EP0240364A1 (en) 1987-10-07
US4887169A (en) 1989-12-12
DE3780057T2 (de) 1992-12-24
DE3780057D1 (de) 1992-08-06
EP0240364B1 (en) 1992-07-01

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