DE69221347D1 - Magnetische Aufzeichnungsträger zur magnetischen Aufzeichnung eines digitalen Videosignals - Google Patents

Magnetische Aufzeichnungsträger zur magnetischen Aufzeichnung eines digitalen Videosignals

Info

Publication number
DE69221347D1
DE69221347D1 DE69221347T DE69221347T DE69221347D1 DE 69221347 D1 DE69221347 D1 DE 69221347D1 DE 69221347 T DE69221347 T DE 69221347T DE 69221347 T DE69221347 T DE 69221347T DE 69221347 D1 DE69221347 D1 DE 69221347D1
Authority
DE
Germany
Prior art keywords
magnetic recording
digital video
magnetic
recording medium
data
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69221347T
Other languages
English (en)
Other versions
DE69221347T2 (de
Inventor
Yukari Yamada
Mayumi Abe
Kazunobu Chiba
Yuichi Arisaka
Kenichi Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27281696&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69221347(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69221347D1 publication Critical patent/DE69221347D1/de
Publication of DE69221347T2 publication Critical patent/DE69221347T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G11B5/008—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)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Thin Magnetic Films (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE1992621347 1991-03-15 1992-03-13 Magnetische Aufzeichnungsträger zur magnetischen Aufzeichnung eines digitalen Videosignals Expired - Lifetime DE69221347T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7677091 1991-03-15
JP15344091 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

Publications (2)

Publication Number Publication Date
DE69221347D1 true DE69221347D1 (de) 1997-09-11
DE69221347T2 DE69221347T2 (de) 1997-11-20

Family

ID=27281696

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992621347 Expired - Lifetime DE69221347T2 (de) 1991-03-15 1992-03-13 Magnetische Aufzeichnungsträger zur magnetischen Aufzeichnung eines digitalen Videosignals

Country Status (7)

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

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
CA2335403C (en) * 1990-06-05 2002-03-19 Koninklijke Philips Electronics N.V. Optical readable disc storing full-motion video scene
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
ATE156622T1 (de) 1997-08-15
EP0503672A2 (de) 1992-09-16
EP0503672A3 (en) 1993-03-17
CA2063081A1 (en) 1992-09-16
JP3104364B2 (ja) 2000-10-30
KR920018727A (ko) 1992-10-22
CA2063081C (en) 2001-08-28
JPH0589408A (ja) 1993-04-09
EP0503672B1 (de) 1997-08-06
DE69221347T2 (de) 1997-11-20
KR100292587B1 (ko) 2001-06-15
US5835673A (en) 1998-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition