DE60135594D1 - Optisches Plattengerät - Google Patents

Optisches Plattengerät

Info

Publication number
DE60135594D1
DE60135594D1 DE60135594T DE60135594T DE60135594D1 DE 60135594 D1 DE60135594 D1 DE 60135594D1 DE 60135594 T DE60135594 T DE 60135594T DE 60135594 T DE60135594 T DE 60135594T DE 60135594 D1 DE60135594 D1 DE 60135594D1
Authority
DE
Germany
Prior art keywords
optical disk
disk device
optical
disk
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
DE60135594T
Other languages
English (en)
Inventor
Seiji Nishiwaki
Kazuo Momoo
Junji Nagaoka
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60135594D1 publication Critical patent/DE60135594D1/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
    • G11B7/00—Recording 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/007—Arrangement 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/007—Arrangement 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
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/133—Shape of individual detector elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0901—Disposition 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 track following only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE60135594T 2000-02-28 2001-02-22 Optisches Plattengerät Expired - Lifetime DE60135594D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000052594A JP4226182B2 (ja) 2000-02-28 2000-02-28 光ディスク装置

Publications (1)

Publication Number Publication Date
DE60135594D1 true DE60135594D1 (de) 2008-10-16

Family

ID=18574088

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60135594T Expired - Lifetime DE60135594D1 (de) 2000-02-28 2001-02-22 Optisches Plattengerät

Country Status (6)

Country Link
US (2) US6909685B2 (de)
EP (1) EP1128369B1 (de)
JP (1) JP4226182B2 (de)
KR (1) KR100644473B1 (de)
CN (1) CN1189869C (de)
DE (1) DE60135594D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI470561B (zh) * 2005-12-19 2015-01-21 Internat Frontier Tech Lab Inc The card can be judged by the pictographic chip
US9586746B2 (en) 2012-06-11 2017-03-07 Sfc Global Supply Chain, Inc. Microwave package for single-step cooking of multi-component foodstuffs

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095139B1 (en) * 1977-05-18 1997-07-08 Vari Lite Inc Light control system
US4697227A (en) * 1982-11-19 1987-09-29 Michael Callahan Control system for variable parameter fixtures
US6219093B1 (en) * 1990-01-05 2001-04-17 Light & Sound Design, Ltd. Method and device for creating a facsimile of an image
US5282121A (en) * 1991-04-30 1994-01-25 Vari-Lite, Inc. High intensity lighting projectors
JP3770921B2 (ja) * 1993-03-31 2006-04-26 三菱電機株式会社 光ディスク装置
JPH0798872A (ja) * 1993-09-28 1995-04-11 Hitachi Ltd 記録方法及び記録再生装置
JPH07169102A (ja) * 1993-12-14 1995-07-04 Nikon Corp 情報記録担体
US5544143A (en) * 1994-06-14 1996-08-06 Eastman Kodak Company Read/write laser-detector-grating unit (LDGU) with an orthogonally-arranged focus and tracking sensor system
JP2800695B2 (ja) * 1994-08-29 1998-09-21 日本ビクター株式会社 光学的記録，再生方法及び記録，再生装置ならびに光学的記録媒体
JPH08235593A (ja) * 1994-10-31 1996-09-13 Hitachi Maxell Ltd 光記録媒体並びにその記録・再生方法及び装置
JP3645020B2 (ja) * 1995-12-12 2005-05-11 富士通株式会社 光情報検出装置
US5828485A (en) * 1996-02-07 1998-10-27 Light & Sound Design Ltd. Programmable light beam shape altering device using programmable micromirrors
JPH09274722A (ja) * 1996-04-04 1997-10-21 Pioneer Electron Corp 光ディスクの情報記録装置及び情報記録方法
US5714240A (en) * 1996-05-14 1998-02-03 Eastman Kodak Company Integrated frequency conversion and scanner
CN1077710C (zh) * 1996-06-04 2002-01-09 Lg电子株式会社 光盘及其记录/再现装置
JPH1125456A (ja) * 1997-07-03 1999-01-29 Fuji Xerox Co Ltd 光記録媒体における多値情報の記録方法及び再生方法
US6057958A (en) * 1997-09-17 2000-05-02 Light & Sound Design, Ltd. Pixel based gobo record control format

Also Published As

Publication number Publication date
EP1128369B1 (de) 2008-09-03
CN1189869C (zh) 2005-02-16
US20010024413A1 (en) 2001-09-27
KR100644473B1 (ko) 2006-11-10
JP4226182B2 (ja) 2009-02-18
CN1312546A (zh) 2001-09-12
EP1128369A2 (de) 2001-08-29
EP1128369A3 (de) 2006-09-27
US6909685B2 (en) 2005-06-21
JP2001243625A (ja) 2001-09-07
US7330418B2 (en) 2008-02-12
US20050157634A1 (en) 2005-07-21
KR20010085691A (ko) 2001-09-07

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition