KR920018727A - 디지틀 화상 신호의 자기 기록 방법 - Google Patents

디지틀 화상 신호의 자기 기록 방법 Download PDF

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KR920018727A
KR920018727A KR1019920004116A KR920004116A KR920018727A KR 920018727 A KR920018727 A KR 920018727A KR 1019920004116 A KR1019920004116 A KR 1019920004116A KR 920004116 A KR920004116 A KR 920004116A KR 920018727 A KR920018727 A KR 920018727A
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South Korea
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magnetic
image signal
digital image
recording method
magnetic recording
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KR1019920004116A
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English (en)
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KR100292587B1 (ko
Inventor
유까리 야마다
마유미 아베
가즈노부 시바
유이찌 아리사까
겐이찌 사또
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오오가 노리오
소니 가부시끼가이샤
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Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
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    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B5/09—Digital recording
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
    • 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
    • H04N5/91—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
    • 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
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • 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
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
    • 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
    • G11B20/00007—Time or data compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Magnetic Record Carriers (AREA)
  • Digital Magnetic Recording (AREA)
  • Paints Or Removers (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Thin Magnetic Films (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

내용 없음

Description

디지틀 화상 신호의 자기 기록 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 2 도는 신호 처리부의 재생측의 구성을 도시하는 블록도,
제 3 도는 블록 부호화를 위한 블록의 1예를 도시하는 약선도,
제 4 도는 서브 샘플링 및 서브 라인을 설명하는 약선도.

Claims (5)

  1. 입력 디지틀 화상 신호를 복수의 화소 데이터로 이루는 블록단위의 데이터로 변환해서 블록화하고 그 블록화된 데이터를 블록단위로 압축 부호화하고 그 압축 부호화된 데이터를 채널 부호화하고 그 채널 부호화된 데이터를 회전 드럼에 장착된 자기 헤드에 의해 자기 기록 매체에 기록하도록 한 디지틀 화상 신호의 자기 기록 방법에 있어서, 상기 기록 매체는 비자성 지지체상에 금속자성박막으로 이루는 자성층이 형성되어 이루며 그 자성층의 잔류 자속밀도, 두께 및 항자력의 적인 에너지 적이 75G·㎝·Oe이상임과 더불어 자성층축의 표면로도가 중심선 평균조도 Ra에서 3.0Å이하이며 또한 십점(十点)평균조도 Rz에서 400Å이하인 것을 특징으로 하는 디지틀 화상 신호의 자기 기록 방법.
  2. 입력 디지틀 화상 신호를 복수의 화소 데이터로 이루는 블록단위의 데이터로 변환해서 블록화하고 그 블록화된 데이터를 블록단위로 압축 부호화하고 그 압축 부호화된 데이터를 채널 부호화하고 그 채널 부호화된 데이터를 회전 드럼에 장착된 자기 헤드에 의해 자기 기록 매체에 기록하도록 한 디지틀 화상 신호의 자기 기록 방법에 있어서, 상기 기록 매체는 비자성 지지체상에 금속자성박막으로 이루는 자성층이 형성되어 이루며 그 자성층의 잔류 자속밀도, 두께 및 항자력의 적인 에너지 적이 75G·㎝·Oe이상임과 더불어, 비자성 지지체에 내첨된 필러에 의한 자성층 표면의 돌기의 높이가 hf가 400Å이하이며 또한 비자성 지지체상에 형성된 하도층에 의한 자성층 표면의 돌기의 높기 hu가 200Å이하인 것을 특징으로 하는 디지틀 화상 신호의 자기 기록 방법.
  3. 제 2항에 있어서, 비자성 지지체에 내첨된 필러에 의한 자성층 표면의 돌기의 높이 hf와 비자성 지지체상에 형성된 하도층에 의한 자성층 표면의 돌기의 높이 hf차 hf-hu가 300Å이하인 것을 특징으로 하는 디지틀 화상 신호의 자기 기록 방법.
  4. 입력 디지틀 화상 신호를 복수의 화소 데이터로 이루는 블록단위의 데이터로 변환해서 블록화하고 그 블록화된 데이터를 블록단위로 압축 부호화하고 그 압축 부호화된 데이터를 채널 부호화하고 그 채널 부호화된 데이터를 회전 드럼에 장착된 자기 헤드에 의해 자기 기록 매체에 기록하도록 한 디지틀 화상 신호의 자기 기록 방법에있어서, 상기 기록 매체는 비자성 지지체상에 금속자성박막으로 이루는 자성층이 형성되어 이루며 그 자성층의 잔류 자속밀도, 두께 및 항자력의 적인 에너지 적이 75G·㎝·Oe이상, 또한 탕자력 각 형비 S＊가 0.3이상인 것을 특징으로 하는 디지틀 화상 신호의 자기 기록 방법.
  5. 제 1항, 2항 또는 3항에 있어서, 자성층의 항자력각형비가 S＊가 0.3이상인 것을 특징으로 하는 디지틀 화상 신호의 자기 기록 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019920004116A 1991-03-15 1992-03-13 디지틀화상신호의자기기록방법 KR100292587B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP7677091 1991-03-15
JP91-76770 1991-03-15
JP15344091 1991-06-25
JP91-153440 1991-06-25
JP1714792A JP3104364B2 (ja) 1991-03-15 1992-01-31 ディジタル画像信号の磁気記録方法
JP92-17147 1992-01-31

Publications (2)

Publication Number Publication Date
KR920018727A true KR920018727A (ko) 1992-10-22
KR100292587B1 KR100292587B1 (ko) 2001-06-15

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Country Link
US (1) US5835673A (ko)
EP (1) EP0503672B1 (ko)
JP (1) JP3104364B2 (ko)
KR (1) KR100292587B1 (ko)
AT (1) ATE156622T1 (ko)
CA (1) CA2063081C (ko)
DE (1) DE69221347T2 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351407B (en) * 1999-06-21 2003-06-11 Sony Uk Ltd Video data compression
JP2001118212A (ja) * 1999-10-14 2001-04-27 Matsushita Electric Ind Co Ltd 磁気ヘッドおよび磁気記録再生装置
JP2002170217A (ja) * 2000-11-29 2002-06-14 Fuji Photo Film Co Ltd 磁気ディスク
JP2004362714A (ja) * 2003-06-06 2004-12-24 Fuji Photo Film Co Ltd 磁気記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817539A (ja) * 1981-07-21 1983-02-01 Sony Corp 磁気記録媒体
JPS5891522A (ja) * 1981-11-27 1983-05-31 Tdk Corp 磁気記録媒体及び信号転写方法
JPS5979426A (ja) * 1982-10-29 1984-05-08 Tdk Corp 磁気記録媒体
JP2760812B2 (ja) * 1988-09-28 1998-06-04 株式会社日立製作所 光再生装置及び光再生方法
US5262877A (en) * 1989-03-03 1993-11-16 Fuji Photo Film Co., Ltd. Image and voice editing system for allowing various images and voices to be reproduced as associated with each other
JP2640268B2 (ja) * 1989-03-14 1997-08-13 富士写真フイルム株式会社 磁気記録媒体
JP2969782B2 (ja) * 1990-05-09 1999-11-02 ソニー株式会社 符号化データ編集方法及び符号化データ編集装置
CA2043670C (en) * 1990-06-05 2002-01-08 Wiebe De Haan Method of transmitting a picture sequence of a full-motion video scene, and a medium for said transmission
JP2650472B2 (ja) * 1990-07-30 1997-09-03 松下電器産業株式会社 ディジタル信号記録装置およびディジタル信号記録方法
US5004652A (en) * 1990-08-15 1991-04-02 Hmt Technology Corporation High-coercivity thin-film recording medium and method

Also Published As

Publication number Publication date
EP0503672B1 (en) 1997-08-06
JPH0589408A (ja) 1993-04-09
ATE156622T1 (de) 1997-08-15
EP0503672A3 (en) 1993-03-17
KR100292587B1 (ko) 2001-06-15
DE69221347T2 (de) 1997-11-20
JP3104364B2 (ja) 2000-10-30
CA2063081C (en) 2001-08-28
DE69221347D1 (de) 1997-09-11
US5835673A (en) 1998-11-10
EP0503672A2 (en) 1992-09-16
CA2063081A1 (en) 1992-09-16

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