DE69225919D1 - Wiedergabegerät und -verfahren für optische Platte - Google Patents
Wiedergabegerät und -verfahren für optische PlatteInfo
- Publication number
- DE69225919D1 DE69225919D1 DE69225919T DE69225919T DE69225919D1 DE 69225919 D1 DE69225919 D1 DE 69225919D1 DE 69225919 T DE69225919 T DE 69225919T DE 69225919 T DE69225919 T DE 69225919T DE 69225919 D1 DE69225919 D1 DE 69225919D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disk
- reproducing apparatus
- disk reproducing
- optical
- reproducing
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- 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
- G11B7/00745—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
- G11B7/013—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
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3096446A JPH04305821A (ja) | 1991-04-02 | 1991-04-02 | ディスク再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69225919D1 true DE69225919D1 (de) | 1998-07-23 |
DE69225919T2 DE69225919T2 (de) | 1998-10-15 |
Family
ID=14165250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69225919T Expired - Fee Related DE69225919T2 (de) | 1991-04-02 | 1992-04-02 | Wiedergabegerät und -verfahren für optische Platte |
Country Status (4)
Country | Link |
---|---|
US (1) | US5258970A (de) |
EP (1) | EP0507304B1 (de) |
JP (1) | JPH04305821A (de) |
DE (1) | DE69225919T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0829854A1 (de) * | 1992-02-19 | 1998-03-18 | Sony Corporation | Optisches Aufzeichnungsmedium, Aufzeichnungs- und Wiedergabeverfahren und Methode zur Erzeugung eines Spurfolgefehlersignals |
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 |
IL101570A0 (en) * | 1992-04-10 | 1992-12-30 | Amir Alon | Method and apparatus for reading data |
JPH0612719A (ja) * | 1992-06-29 | 1994-01-21 | Canon Inc | 光ヘッド及び情報読取装置 |
IL106009A0 (en) * | 1993-06-14 | 1993-10-20 | Amir Alon | Method and apparatus for the simultaneous writing of data on an optical disk |
IL107181A0 (en) * | 1993-10-04 | 1994-01-25 | Nogatech Ltd | Optical disk reader |
JP3861269B2 (ja) | 1996-07-16 | 2006-12-20 | ソニー株式会社 | 光ディスク装置、光ディスクの記録方法、光ディスク及び光ディスクの製造方法 |
US6088323A (en) * | 1996-07-16 | 2000-07-11 | Sony Corporation | Optical disk, optical disk device, and optical disk recording method |
US7092344B2 (en) * | 2003-04-18 | 2006-08-15 | Lucere Enterprises, Ltd. | Apparatus for creating a multi-dimensional data signal |
US20050052982A1 (en) * | 2003-09-09 | 2005-03-10 | Lucere, Lp | Virtual head for generating a multi-dimensional data signal |
WO2005045810A2 (en) * | 2003-11-05 | 2005-05-19 | Koninklijke Philips Electronics N.V. | Method and device for reading information from optical disc |
US20090238056A1 (en) * | 2004-12-13 | 2009-09-24 | Koninklijke Philips Electronics, N.V. | Optical storage effect using a separate reference beam interface |
JPWO2008126327A1 (ja) * | 2007-03-30 | 2010-07-22 | パイオニア株式会社 | 光ディスク |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5280007A (en) * | 1975-12-26 | 1977-07-05 | Sony Corp | Video disc |
JPS5829154A (ja) * | 1981-08-11 | 1983-02-21 | Mitsubishi Electric Corp | 光学式情報再生装置 |
JPS59207433A (ja) * | 1983-05-12 | 1984-11-24 | Sony Corp | 高密度記録再生方式 |
EP0223353A3 (en) * | 1985-09-10 | 1988-07-20 | Canon Kabushiki Kaisha | Information record carrier |
JPS63214919A (ja) * | 1987-03-03 | 1988-09-07 | Hitachi Maxell Ltd | 光デイスクおよびその再生方法 |
JPH01184726A (ja) * | 1988-01-19 | 1989-07-24 | Canon Inc | 光記録媒体と光記録方法、光再生方法及び光記録装置と光再生装置 |
JPH03219434A (ja) * | 1988-12-27 | 1991-09-26 | Canon Inc | 光学的情報記録媒体 |
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 |
JPH077509B2 (ja) * | 1989-02-20 | 1995-01-30 | オムロン株式会社 | 2光源方式光学的記録再生装置 |
JP2684763B2 (ja) * | 1989-04-24 | 1997-12-03 | ソニー株式会社 | 光学記録および/または再生装置 |
JPH1134728A (ja) * | 1997-07-22 | 1999-02-09 | Muroga Yoshihisa | 車両後部構造 |
-
1991
- 1991-04-02 JP JP3096446A patent/JPH04305821A/ja active Pending
-
1992
- 1992-04-01 US US07/861,917 patent/US5258970A/en not_active Expired - Fee Related
- 1992-04-02 DE DE69225919T patent/DE69225919T2/de not_active Expired - Fee Related
- 1992-04-02 EP EP92105709A patent/EP0507304B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04305821A (ja) | 1992-10-28 |
DE69225919T2 (de) | 1998-10-15 |
EP0507304A3 (en) | 1993-05-19 |
EP0507304B1 (de) | 1998-06-17 |
EP0507304A2 (de) | 1992-10-07 |
US5258970A (en) | 1993-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |