BR9603502A - Processo e aparelho para a reprodução de um disco ótico de multicamadas - Google Patents

Processo e aparelho para a reprodução de um disco ótico de multicamadas

Info

Publication number
BR9603502A
BR9603502A BR9603502A BR9603502A BR9603502A BR 9603502 A BR9603502 A BR 9603502A BR 9603502 A BR9603502 A BR 9603502A BR 9603502 A BR9603502 A BR 9603502A BR 9603502 A BR9603502 A BR 9603502A
Authority
BR
Brazil
Prior art keywords
recording layer
pickup device
setting
focus
reproduction
Prior art date
Application number
BR9603502A
Other languages
English (en)
Inventor
Masamichi Utsumi
Tetsuo Usui
Akio Yamakawa
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR9603502A publication Critical patent/BR9603502A/pt

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in 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
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/0908—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 focusing only

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)
  • Manufacturing Optical Record Carriers (AREA)
BR9603502A 1995-08-22 1996-08-21 Processo e aparelho para a reprodução de um disco ótico de multicamadas BR9603502A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23464895 1995-08-22

Publications (1)

Publication Number Publication Date
BR9603502A true BR9603502A (pt) 1998-05-12

Family

ID=16974321

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9603502A BR9603502A (pt) 1995-08-22 1996-08-21 Processo e aparelho para a reprodução de um disco ótico de multicamadas

Country Status (8)

Country Link
US (1) US5682372A (pt)
EP (1) EP0762397B1 (pt)
KR (1) KR100415364B1 (pt)
CN (1) CN1113340C (pt)
AT (1) ATE227874T1 (pt)
BR (1) BR9603502A (pt)
CA (1) CA2183487C (pt)
DE (1) DE69624763T2 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3561576B2 (ja) * 1995-09-07 2004-09-02 パイオニア株式会社 多層ディスク再生装置
JPH09282675A (ja) * 1996-04-15 1997-10-31 Nec Corp 多層光ディスク装置
JPH09326161A (ja) * 1996-06-06 1997-12-16 Kenwood Corp 光ディスク装置
JP3488584B2 (ja) * 1996-11-06 2004-01-19 パイオニア株式会社 多層光ディスク記録情報の再生装置
US5974009A (en) * 1996-10-29 1999-10-26 Kabushiki Kaisha Toshiba Focus control device and method for use in multilayer optical disk reproduction system
JPH10289450A (ja) * 1997-04-16 1998-10-27 Pioneer Electron Corp フォーカスサーボ制御方法及び装置並びに情報記録再生装置
JPH1173657A (ja) * 1997-06-27 1999-03-16 Pioneer Electron Corp フォーカス制御装置及び方法
JPH1131357A (ja) 1997-07-08 1999-02-02 Pioneer Electron Corp 情報データの記録方法
KR19990019672A (ko) * 1997-08-29 1999-03-15 윤종용 수광소자에 의한 상변화 광디스크의 신호검출방법
US6208597B1 (en) 1997-11-28 2001-03-27 Pioneer Electronic Corporation Transfer control system of information read beam
US6111828A (en) * 1999-01-12 2000-08-29 Siros Technologies, Inc. Focus error signal generation using confocally filtered detection
US6322933B1 (en) 1999-01-12 2001-11-27 Siros Technologies, Inc. Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
US6269057B1 (en) 1999-01-12 2001-07-31 Siros Technologies, Inc. Focus error signal generation using a birefringent lens with confocal detection
US6288986B1 (en) 1999-01-12 2001-09-11 Siros Technologies, Inc. Focus error signal generation using a birefringent plate with confocal detection
US6256271B1 (en) 1999-01-12 2001-07-03 Siros Technologies, Inc. Focus error signal generation using two polarizers in confocal configuration
JP2000215467A (ja) 1999-01-21 2000-08-04 Alpine Electronics Inc ディジタルディスクのフォ―カスサ―チ方法及び制御装置
US6731578B1 (en) * 1999-06-28 2004-05-04 Sony Corporation Optical disk recording and/or reproducing device, and focusing servomechanism
US6512606B1 (en) 1999-07-29 2003-01-28 Siros Technologies, Inc. Optical storage media and method for optical data storage via local changes in reflectivity of a format grating
US6322931B1 (en) 1999-07-29 2001-11-27 Siros Technologies, Inc. Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
US6310850B1 (en) 1999-07-29 2001-10-30 Siros Technologies, Inc. Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium
EP1137003A4 (en) * 1999-08-18 2003-07-23 Sony Corp OPTICAL RECORDING MEDIUM, REPRODUCING METHOD, AND DEVICE THEREFOR
US7480219B2 (en) * 2000-11-21 2009-01-20 Lg Electronics Inc. Method and apparatus for calculating a variation per track of a focus error to control the tilt of a disk
US7616537B2 (en) * 2002-11-07 2009-11-10 Samsung Electronics Co., Ltd. Focus search apparatus and method
JP4633346B2 (ja) * 2003-05-12 2011-02-16 ソニー株式会社 記録媒体、記録装置、記録方法
KR100683894B1 (ko) * 2005-05-17 2007-02-15 삼성전자주식회사 멀티 레이어 디스크에서의 레이어 이동 방법 및광기록/재생 장치
US7983121B2 (en) * 2005-11-15 2011-07-19 Pioneer Corporation Optical axis shift correcting device and method, and computer program
JP2008123567A (ja) * 2006-11-08 2008-05-29 Funai Electric Co Ltd 光ディスク装置、フォーカスバランスの調整方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH069090B2 (ja) * 1984-06-12 1994-02-02 株式会社東芝 光学ヘツド
JPH04364229A (ja) * 1990-11-01 1992-12-16 Matsushita Electric Ind Co Ltd 光方式記録再生方法および記録媒体、光方式記録再生装置
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
JPH06243496A (ja) * 1993-02-15 1994-09-02 Toshiba Corp ディスク再生装置及びそのフォーカスバランス自動調整方法及び信号処理装置
JP2864937B2 (ja) * 1993-04-20 1999-03-08 松下電器産業株式会社 情報記録ディスク再生装置
US5612939A (en) * 1995-01-27 1997-03-18 Victor Company Of Japan, Ltd. Optical disk recording and/or reproducing apparatus for performing optimizing operation for servo control with recording and/or reproducing operation
JP3465413B2 (ja) * 1995-06-16 2003-11-10 ソニー株式会社 光ディスク駆動装置およびフォーカス制御方法

Also Published As

Publication number Publication date
EP0762397A3 (en) 1998-02-04
KR970012389A (ko) 1997-03-29
CA2183487A1 (en) 1997-02-23
CN1151068A (zh) 1997-06-04
DE69624763D1 (de) 2002-12-19
DE69624763T2 (de) 2003-07-17
KR100415364B1 (ko) 2004-05-14
ATE227874T1 (de) 2002-11-15
CN1113340C (zh) 2003-07-02
CA2183487C (en) 2007-07-10
EP0762397A2 (en) 1997-03-12
US5682372A (en) 1997-10-28
EP0762397B1 (en) 2002-11-13

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/06/2008, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2268 DE 24-06-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.