BR9701610B1 - suporte de gravação óptica, e, processo e aparelho de gravação e/ou reprodução de sinais para um suporte de gravação óptica. - Google Patents

suporte de gravação óptica, e, processo e aparelho de gravação e/ou reprodução de sinais para um suporte de gravação óptica.

Info

Publication number
BR9701610B1
BR9701610B1 BRPI9701610-1A BR9701610A BR9701610B1 BR 9701610 B1 BR9701610 B1 BR 9701610B1 BR 9701610 A BR9701610 A BR 9701610A BR 9701610 B1 BR9701610 B1 BR 9701610B1
Authority
BR
Brazil
Prior art keywords
recording medium
optical recording
reproducing signals
optical
medium
Prior art date
Application number
BRPI9701610-1A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9701610A (pt
Inventor
Yoshiyuki Akiyama
Shinichiro Iimura
Hiroshi Ogawa
Kazuo Kuroda
Toshio Suzuki
Akiyoshi Inoue
Shouji Taniguchi
Minemasa Ota
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=26421397&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9701610(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR9701610A publication Critical patent/BR9701610A/pt
Publication of BR9701610B1 publication Critical patent/BR9701610B1/pt

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • G11B19/28Speed controlling, regulating, or indicating
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745Sectoring or header formats within a track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0912Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by push-pull method
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0938Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073Tracks
    • G11B7/24082Meandering
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B2007/00709Dimensions of grooves or tracks, e.g. groove depth, track pitch
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B2007/00754Track shape, e.g. address or synchronisation information in wobbled track or sidewall
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • G11B7/0053Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0943Methods and circuits for performing mathematical operations on individual detector segment outputs
BRPI9701610-1A 1996-04-02 1997-04-02 suporte de gravação óptica, e, processo e aparelho de gravação e/ou reprodução de sinais para um suporte de gravação óptica. BR9701610B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8037896 1996-04-02
JP17152896A JP3703569B2 (ja) 1996-04-02 1996-07-01 光記録媒体及びその記録再生方法、記録再生装置

Publications (2)

Publication Number Publication Date
BR9701610A BR9701610A (pt) 1998-11-17
BR9701610B1 true BR9701610B1 (pt) 2009-05-05

Family

ID=26421397

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9701610-1A BR9701610B1 (pt) 1996-04-02 1997-04-02 suporte de gravação óptica, e, processo e aparelho de gravação e/ou reprodução de sinais para um suporte de gravação óptica.

Country Status (12)

Country Link
US (7) US6075761A (enExample)
EP (2) EP1755115A3 (enExample)
JP (1) JP3703569B2 (enExample)
KR (1) KR100478863B1 (enExample)
CN (1) CN1238849C (enExample)
BR (1) BR9701610B1 (enExample)
CA (1) CA2201454C (enExample)
DE (1) DE69737272T2 (enExample)
ID (1) ID18543A (enExample)
MY (1) MY127657A (enExample)
SG (1) SG47218A1 (enExample)
TW (2) TW491999B (enExample)

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KR100478863B1 (ko) 2005-07-18
CA2201454C (en) 2007-06-12
US20010038591A1 (en) 2001-11-08
US20010046193A1 (en) 2001-11-29
MY127657A (en) 2006-12-29
US6075761A (en) 2000-06-13
EP1755115A2 (en) 2007-02-21
JP3703569B2 (ja) 2005-10-05
EP0800165A1 (en) 1997-10-08
CN1173705A (zh) 1998-02-18
US20030007434A1 (en) 2003-01-09
US6606289B2 (en) 2003-08-12
US20040062162A1 (en) 2004-04-01
EP1755115A3 (en) 2009-03-04
DE69737272D1 (de) 2007-03-15
US6282166B1 (en) 2001-08-28
US6469961B2 (en) 2002-10-22
DE69737272T2 (de) 2007-06-14
CN1238849C (zh) 2006-01-25
JPH09326138A (ja) 1997-12-16
KR970071533A (ko) 1997-11-07
ID18543A (id) 1998-04-16
US6430133B2 (en) 2002-08-06
EP0800165B1 (en) 2007-01-24
BR9701610A (pt) 1998-11-17
US6646963B2 (en) 2003-11-11
CA2201454A1 (en) 1997-10-02
SG47218A1 (en) 1998-03-20
US6937556B2 (en) 2005-08-30
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TW582028B (en) 2004-04-01
TW491999B (en) 2002-06-21

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