CA2006141A1 - Element d'enregistrement optique et systeme optique d'extraction de donnees utilisant cet element - Google Patents

Element d'enregistrement optique et systeme optique d'extraction de donnees utilisant cet element

Info

Publication number
CA2006141A1
CA2006141A1 CA2006141A CA2006141A CA2006141A1 CA 2006141 A1 CA2006141 A1 CA 2006141A1 CA 2006141 A CA2006141 A CA 2006141A CA 2006141 A CA2006141 A CA 2006141A CA 2006141 A1 CA2006141 A1 CA 2006141A1
Authority
CA
Canada
Prior art keywords
pits
retrieval system
data retrieval
recording element
inclines
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.)
Granted
Application number
CA2006141A
Other languages
English (en)
Other versions
CA2006141C (fr
Inventor
Hirotsugu Matoba
Toshihisa Deguchi
Shigeo Terashima
Hideyoshi Yamaoka
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of CA2006141A1 publication Critical patent/CA2006141A1/fr
Application granted granted Critical
Publication of CA2006141C publication Critical patent/CA2006141C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/013—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 for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector

Landscapes

  • Optical Recording Or Reproduction (AREA)
CA002006141A 1988-12-27 1989-12-20 Element d'enregistrement optique et systeme optique d'extraction de donnees utilisant cet element Expired - Fee Related CA2006141C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-330952 1988-12-27
JP63330952A JP2612329B2 (ja) 1988-12-27 1988-12-27 光メモリ素子並びに光メモリ再生装置

Publications (2)

Publication Number Publication Date
CA2006141A1 true CA2006141A1 (fr) 1990-06-27
CA2006141C CA2006141C (fr) 1995-05-16

Family

ID=18238241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002006141A Expired - Fee Related CA2006141C (fr) 1988-12-27 1989-12-20 Element d'enregistrement optique et systeme optique d'extraction de donnees utilisant cet element

Country Status (6)

Country Link
US (2) US5200941A (fr)
EP (1) EP0376673B1 (fr)
JP (1) JP2612329B2 (fr)
KR (1) KR930000988B1 (fr)
CA (1) CA2006141C (fr)
DE (1) DE68918571T2 (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置
NL9100408A (nl) * 1991-03-07 1992-10-01 Philips Nv Informatie-uitleesstelsel, alsmede een registratiedrager en uitleesinrichting voor toepassing in een dergelijk stelsel.
JPH04305821A (ja) * 1991-04-02 1992-10-28 Sony Corp ディスク再生装置
JP3033864B2 (ja) * 1991-10-31 2000-04-17 キヤノン株式会社 情報記録方法及びその情報再生装置
JPH05242512A (ja) * 1991-12-19 1993-09-21 Matsushita Electric Ind Co Ltd 光ディスク装置
JP3173839B2 (ja) * 1992-01-17 2001-06-04 パイオニア株式会社 記録媒体用情報再生装置及び再生方法
JP3067873B2 (ja) * 1992-01-20 2000-07-24 パイオニア株式会社 光ディスク及び光ディスク再生装置
JP3067874B2 (ja) * 1992-01-20 2000-07-24 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
US5684783A (en) * 1992-02-19 1997-11-04 Sony Corporation Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium
EP0580876B1 (fr) * 1992-02-19 1999-05-12 Sony Corporation Support d'enregistrement optique, son procede d'enregistrement, son procede de reproduction et procede pour produire des signaux d'erreur de poursuite
JP3166322B2 (ja) * 1992-06-15 2001-05-14 ソニー株式会社 再生方法、再生装置
JP3224901B2 (ja) * 1993-05-06 2001-11-05 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3267752B2 (ja) * 1993-07-05 2002-03-25 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JPH0721569A (ja) * 1993-07-06 1995-01-24 Pioneer Electron Corp 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3325691B2 (ja) * 1994-03-03 2002-09-17 パイオニア株式会社 光ディスク及び光ディスク再生装置
US5754520A (en) * 1994-12-22 1998-05-19 Landis & Gyr Technology Innovation Ag Optical data carriers and reading devices therefor
JPH08212598A (ja) * 1995-02-01 1996-08-20 Pioneer Electron Corp 光ディスク及び光ディスク再生装置
JP3464558B2 (ja) * 1995-03-31 2003-11-10 富士通株式会社 エンコード装置及び記憶装置
US6026072A (en) * 1996-06-21 2000-02-15 Kabushiki Kaisha Toshiba Optical disk and method of manufacturing the same
JP3090633B2 (ja) * 1997-07-29 2000-09-25 インターナショナル・ビジネス・マシーンズ・コーポレ−ション データ記録ディスク及びディスク・ドライブ装置
JP4157204B2 (ja) * 1998-10-19 2008-10-01 セイコーインスツル株式会社 情報再生装置、情報記録装置、情報再生方法および情報記録方法
US20040199780A1 (en) 2002-03-22 2004-10-07 Heung-Chan Seung Copy-protected optical recording medium, a method for driving therefor and a method of manufacturing thereof
US20050281187A1 (en) * 2004-06-17 2005-12-22 Sharp Kabushiki Kaisha Optical memory device and optical reproducing device
JP2008507806A (ja) 2004-07-26 2008-03-13 インペリアル・イノベイションズ・リミテッド 光ディスクおよびそのための読取装置
US20060028962A1 (en) * 2004-08-05 2006-02-09 Oron Zachar Method and system for encoding and detecting optical information
EP1667129B1 (fr) * 2004-12-02 2010-03-17 Thomson Licensing Appareil pour l' enregistrement de creux angulaires multiplexés
EP1667128A1 (fr) 2004-12-02 2006-06-07 Deutsche Thomson-Brandt Gmbh Appareil d'enregistrement de creux par multiplexage angulaire
US7680024B2 (en) * 2005-03-08 2010-03-16 Shanghai Xiangzhang Electronics Co., Ltd. Multilevel read-only optical disk and method for producing the same
EP1764791A1 (fr) * 2005-09-16 2007-03-21 Deutsche Thomson-Brandt Gmbh Procédé et dispositif pour lire les creux de multiplexage angulaire
EP1764792A3 (fr) * 2005-09-16 2007-10-31 THOMSON Licensing Procédé et dispositif de lecture de creux angulaires multiplexés
US20070206453A1 (en) * 2006-03-03 2007-09-06 Seagate Technology Llc Multilevel nano-structure optical media with oriented tracking marks

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906576A (nl) 1979-09-03 1981-03-05 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor.
NL7907180A (nl) 1979-09-27 1981-03-31 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan.
US4428075A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Methods of preformatting an optical disk
FR2523349A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information
CA1261467A (fr) * 1985-11-28 1989-09-26 Akira Minami Dispositif de commande de servomecanisme de focalisation pour lecteur de disques optiques a reglage du decalage
US4967403A (en) * 1986-08-25 1990-10-30 Sony Corporation Multi-format optical disk and reading device
US4998234A (en) * 1987-03-31 1991-03-05 Rees Theodore D Logarithmic servo error detection for optical disk drive
JPH07105058B2 (ja) * 1987-04-27 1995-11-13 株式会社日立製作所 光学的情報記録再生装置
JPH0814937B2 (ja) * 1987-04-28 1996-02-14 ソニー株式会社 復調回路
US4961182A (en) * 1987-07-01 1990-10-02 Hitachi, Ltd. Information retrieving system with level clamping
JP2612329B2 (ja) * 1988-12-27 1997-05-21 シャープ株式会社 光メモリ素子並びに光メモリ再生装置

Also Published As

Publication number Publication date
US5200941A (en) 1993-04-06
KR930000988B1 (ko) 1993-02-12
DE68918571D1 (de) 1994-11-03
CA2006141C (fr) 1995-05-16
KR900010670A (ko) 1990-07-09
US5331623A (en) 1994-07-19
DE68918571T2 (de) 1995-05-04
EP0376673B1 (fr) 1994-09-28
EP0376673A3 (fr) 1991-08-07
EP0376673A2 (fr) 1990-07-04
JPH02177023A (ja) 1990-07-10
JP2612329B2 (ja) 1997-05-21

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