DE69924196D1 - Optische Abtastvorrichtung - Google Patents
Optische AbtastvorrichtungInfo
- Publication number
- DE69924196D1 DE69924196D1 DE69924196T DE69924196T DE69924196D1 DE 69924196 D1 DE69924196 D1 DE 69924196D1 DE 69924196 T DE69924196 T DE 69924196T DE 69924196 T DE69924196 T DE 69924196T DE 69924196 D1 DE69924196 D1 DE 69924196D1
- Authority
- DE
- Germany
- Prior art keywords
- scanning device
- optical scanning
- optical
- scanning
- 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
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
- G11B7/09—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
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22286198 | 1998-08-06 | ||
JP22286198A JP3435067B2 (ja) | 1998-08-06 | 1998-08-06 | 光ピックアップ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69924196D1 true DE69924196D1 (de) | 2005-04-21 |
DE69924196T2 DE69924196T2 (de) | 2006-01-26 |
Family
ID=16789052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69924196T Expired - Lifetime DE69924196T2 (de) | 1998-08-06 | 1999-08-05 | Optische Abtastvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6392965B1 (de) |
EP (1) | EP0978828B1 (de) |
JP (1) | JP3435067B2 (de) |
KR (1) | KR100336599B1 (de) |
DE (1) | DE69924196T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4156484B2 (ja) | 2003-09-30 | 2008-09-24 | シャープ株式会社 | 光ピックアップ |
US20050128902A1 (en) * | 2003-12-10 | 2005-06-16 | Ming-Hsien Tsai | Optical disc system and associated tilt angle calibration method |
JP4118869B2 (ja) * | 2004-11-12 | 2008-07-16 | シャープ株式会社 | 光ピックアップ装置 |
KR20060084063A (ko) * | 2005-01-17 | 2006-07-21 | 삼성전자주식회사 | 광픽업 장치 및 포커싱 제어방법 |
KR100694102B1 (ko) * | 2005-04-11 | 2007-03-12 | 삼성전자주식회사 | 다층 기록 매체 및 그 기록 및/또는 재생을 위한 광픽업장치 |
JP2012069212A (ja) | 2010-09-24 | 2012-04-05 | Jvc Kenwood Corp | 光ディスク装置、フォーカス制御方法及び制御プログラム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940001999B1 (ko) | 1989-06-06 | 1994-03-12 | 샤프 가부시끼가이샤 | 광 픽업장치 |
JPH06162531A (ja) | 1992-11-20 | 1994-06-10 | Omron Corp | 光ヘッド |
US5532999A (en) * | 1993-06-25 | 1996-07-02 | Matsushita Electric Industrial Co., Ltd. | Optical detector having stray carrier absorption regions between light receiving elements, and an optical head using the same |
JP3372413B2 (ja) * | 1995-12-04 | 2003-02-04 | シャープ株式会社 | 光ピックアップ装置及び光記録再生装置 |
JP2910689B2 (ja) * | 1996-06-20 | 1999-06-23 | 日本電気株式会社 | 光ヘッド |
JPH1021573A (ja) * | 1996-07-03 | 1998-01-23 | Ricoh Co Ltd | 光ピックアップ装置 |
JPH10199012A (ja) * | 1996-12-27 | 1998-07-31 | Olympus Optical Co Ltd | 光ピックアップ |
KR100224890B1 (ko) | 1996-11-18 | 1999-10-15 | 윤종용 | 다중 트랙 스캔용 광픽업 장치 |
JP3889104B2 (ja) | 1997-02-07 | 2007-03-07 | シャープ株式会社 | 光ピックアップ装置 |
JPH10188326A (ja) * | 1997-12-22 | 1998-07-21 | Olympus Optical Co Ltd | 光ピックアップ装置 |
-
1998
- 1998-08-06 JP JP22286198A patent/JP3435067B2/ja not_active Expired - Fee Related
-
1999
- 1999-08-05 EP EP99115524A patent/EP0978828B1/de not_active Expired - Lifetime
- 1999-08-05 US US09/368,762 patent/US6392965B1/en not_active Expired - Fee Related
- 1999-08-05 DE DE69924196T patent/DE69924196T2/de not_active Expired - Lifetime
- 1999-08-06 KR KR1019990032217A patent/KR100336599B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0978828B1 (de) | 2005-03-16 |
DE69924196T2 (de) | 2006-01-26 |
JP2000057592A (ja) | 2000-02-25 |
US6392965B1 (en) | 2002-05-21 |
EP0978828A2 (de) | 2000-02-09 |
KR100336599B1 (ko) | 2002-05-16 |
JP3435067B2 (ja) | 2003-08-11 |
KR20000017122A (ko) | 2000-03-25 |
EP0978828A3 (de) | 2000-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |