KR920003249A - 영상신호디지틀 기록재생장치 - Google Patents

영상신호디지틀 기록재생장치 Download PDF

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Publication number
KR920003249A
KR920003249A KR1019910013112A KR910013112A KR920003249A KR 920003249 A KR920003249 A KR 920003249A KR 1019910013112 A KR1019910013112 A KR 1019910013112A KR 910013112 A KR910013112 A KR 910013112A KR 920003249 A KR920003249 A KR 920003249A
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KR
South Korea
Prior art keywords
recording
data
playhead
channel
video signal
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KR1019910013112A
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English (en)
Other versions
KR950015001B1 (ko
Inventor
다쯔시 반나이
히데아끼 시바다
마사미쯔 오오쯔
히로시 오까모토
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR920003249A publication Critical patent/KR920003249A/ko
Application granted granted Critical
Publication of KR950015001B1 publication Critical patent/KR950015001B1/ko

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Classifications

    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • 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
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9264—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using transform coding
    • 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
    • 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

Landscapes

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

Abstract

내용 없음

Description

영상신호디지틀 기록재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 실시예로서 기록재생장치의 신호처리블록도.
제 2 도는 상기 실시예의 기록트랙패턴도.

Claims (5)

  1. 영상신호를 가변길이처리를 포함하여 비트전송율삭감해서 부호화데이타를 얻는 수단과, 영상신호의 기본적인 구성을 나타내며 고정데이타길이로 주어진 기본데이타와 영상신호의 상세한 정보를 나타내며 상기 부호화데이타중에서 가변데이타길이로 주어진 부가데이타를 추출하고 분리하는 수단과, 기록매체상의 연속영역에 상기 분리된 기본데이타를 수집하여 기록하고 상기 기본데이타기록영역이외의 영역에 부가데이타를 수집하여 연속적으로 기록하는 수단으로 이루어진 영상 신호디지틀기록재생장치.
  2. 제 1 항에 있어서, 서어치모오드에 재생기본데이타에서 서어치화상을 복호하는 수단으로 이루어진 것을 특징으로 하는 영상신호디지틀 기록재생장치.
  3. 제 2 항에 있어서, 상기 기록수단은 회전실린더를 사용하여 기록매체상에 기본데이타와 부가데이타를 기록하는 수단으로 이루어지며, 상기 기록매체상의 기본데이타 및 부가데이타의 각각의 기록영역은 회전실린더의 회전각으로 규정된 분리영역인 것을 특징으로 하는 영상신호디지틀 기록재생장치.
  4. 제 3 항에 있어서, 회전실린더상에 P(P=1,2,3…)채널에 대응하는 기록헤드를 설치함으로써 부호화데이타를 기록하는 수단과, 상기 회전실린더상에 P(P=1,2,3…)채널의 제1 재생헤드와 상기 제1 재생헤드에 특정각도로 Q(Q=1,2,3 …)채널의 제2 재생헤드를 설치함으로써 서어치시에 재생하는 수단과, 서어치시에 특정타이밍으로 상기 제1 재생헤드 및 제2 재생헤드를 선택함으로써 P채널의 재생신호를 얻는 수단으로 이루어진 것을 특징으로하는 영상신호디지틀 기록재생장치.
  5. 영상신호를 비트전송율삭감시켜 고정길이 부호화로 부호화하여 부호화데이타를 얻는 수단과, 영상신호의 기본적인 구성을 나타내는 기본데이타와 상기 부호화데이타에서 영상신호의 상세한 정보를 나타내는 부가데이타를 추출하고 분리하는 수단과, 회전실린더에 설치한 P채널(P=1,2,3 …)의 기록헤드를 사용하여 기록매체상에 상기 부호화데이타를 기록하는 수단과, 상기 회전실린더의 회전각으로 규정된 기록매체상의 분리영역에 상기 분리된 기본데이타와 부가데이타를 각각 수집하는 수단과, 상기 회전실린더상에 P(P=1,2,3 …)채널의 제1 재생헤드를 설치하고 상기 제1 재생헤드에 대해 특정각도로 Q(Q=1,2,3 …)채널의 제2 재생헤드를 설치하여 서어치모오드에서 재생하는 수단과, 서어치모오드에서 특정타이밍으로 상기 제1 재생헤드 및 제2 재생헤드를 선택하여 P채널의 재생 신호를 얻는 수단과, 서어치모오드에서 재생신호에 재생기본데이타로 부터의 서어치 화상을 복호하는 수단으로 이루어진 영상신호 기록재생장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910013112A 1990-07-30 1991-07-30 영상신호디지틀 기록재생장치 KR950015001B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2202122A JPH0486183A (ja) 1990-07-30 1990-07-30 映像信号の記録再生装置
JP90-202122 1990-07-30

Publications (2)

Publication Number Publication Date
KR920003249A true KR920003249A (ko) 1992-02-29
KR950015001B1 KR950015001B1 (ko) 1995-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910013112A KR950015001B1 (ko) 1990-07-30 1991-07-30 영상신호디지틀 기록재생장치

Country Status (4)

Country Link
US (2) US5383063A (ko)
EP (1) EP0469842A3 (ko)
JP (1) JPH0486183A (ko)
KR (1) KR950015001B1 (ko)

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Also Published As

Publication number Publication date
JPH0486183A (ja) 1992-03-18
KR950015001B1 (ko) 1995-12-21
EP0469842A3 (en) 1992-11-25
US5481412A (en) 1996-01-02
US5383063A (en) 1995-01-17
EP0469842A2 (en) 1992-02-05

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