DE60106987D1 - Opischer Abtastkopf - Google Patents
Opischer AbtastkopfInfo
- Publication number
- DE60106987D1 DE60106987D1 DE60106987T DE60106987T DE60106987D1 DE 60106987 D1 DE60106987 D1 DE 60106987D1 DE 60106987 T DE60106987 T DE 60106987T DE 60106987 T DE60106987 T DE 60106987T DE 60106987 D1 DE60106987 D1 DE 60106987D1
- Authority
- DE
- Germany
- Prior art keywords
- opic
- readhead
- opic readhead
- 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
- G11B7/12—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
- G11B7/08—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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2000000520 | 2000-01-06 | ||
KR1020000000520A KR100657249B1 (ko) | 2000-01-06 | 2000-01-06 | 광픽업장치 |
KR1020000000521A KR100657250B1 (ko) | 2000-01-06 | 2000-01-06 | 광픽업장치 |
KR2000000521 | 2000-01-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60106987D1 true DE60106987D1 (de) | 2004-12-16 |
DE60106987T2 DE60106987T2 (de) | 2005-03-31 |
Family
ID=26636670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60106987T Expired - Lifetime DE60106987T2 (de) | 2000-01-06 | 2001-01-05 | Opischer Abtastkopf |
Country Status (5)
Country | Link |
---|---|
US (1) | US6785209B2 (de) |
EP (1) | EP1115111B1 (de) |
JP (1) | JP3696092B2 (de) |
CN (1) | CN1179330C (de) |
DE (1) | DE60106987T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002342952A (ja) * | 2001-05-15 | 2002-11-29 | Pioneer Electronic Corp | 光学式記録再生装置 |
JP2002358677A (ja) | 2001-05-28 | 2002-12-13 | Hitachi Ltd | 光ヘッド及び光ディスク装置 |
US7061853B2 (en) * | 2001-12-18 | 2006-06-13 | Discovision Associates | High-density optical pickup for rotating media |
WO2009037773A1 (ja) * | 2007-09-20 | 2009-03-26 | Pioneer Corporation | 記録再生方法、記録再生装置及び記録媒体 |
JP2009146529A (ja) * | 2007-12-17 | 2009-07-02 | Sharp Corp | サーボパラメータの検出方法およびそれを利用した光ピックアップ装置 |
JP5404181B2 (ja) * | 2009-05-25 | 2014-01-29 | 三菱電機株式会社 | 光ディスク装置 |
JP2011086337A (ja) * | 2009-10-15 | 2011-04-28 | Panasonic Corp | 光ヘッド装置、光情報処理装置及び信号検出方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS641122A (en) | 1987-06-23 | 1989-01-05 | Teac Corp | Crosstalk eliminating circuit in optical reproducing device |
JP2839502B2 (ja) | 1988-06-14 | 1998-12-16 | 株式会社東芝 | 光情報再生装置 |
JPH0758559B2 (ja) * | 1988-09-02 | 1995-06-21 | シャープ株式会社 | 光ピックアップ装置 |
US5513164A (en) * | 1992-09-11 | 1996-04-30 | Kabushiki Kaisha Toshiba | Optical recording and reproducing apparatus |
JPH07121876A (ja) | 1993-10-25 | 1995-05-12 | Olympus Optical Co Ltd | 光学的情報再生装置 |
JPH07320295A (ja) | 1994-03-29 | 1995-12-08 | Matsushita Electric Ind Co Ltd | 超解像光ヘッド装置 |
JP2883549B2 (ja) | 1994-11-17 | 1999-04-19 | 三洋電機株式会社 | ディスクプレーヤーの信号再生回路 |
JP3447135B2 (ja) | 1995-02-02 | 2003-09-16 | パイオニア株式会社 | 情報再生装置 |
US6026065A (en) * | 1995-03-04 | 2000-02-15 | Lg Electronics Inc. | Optical pick-up apparatus capable of reading data irrespective of disc type |
JP3176544B2 (ja) * | 1995-12-13 | 2001-06-18 | 株式会社日立製作所 | 光ディスク装置 |
JPH11110769A (ja) * | 1997-10-03 | 1999-04-23 | Pioneer Electron Corp | 収差補正装置及び情報再生装置 |
JP3687943B2 (ja) * | 1997-12-08 | 2005-08-24 | パイオニア株式会社 | 記録情報再生装置及び記録情報再生装置におけるティルト検出方法 |
JPH11250475A (ja) | 1997-12-24 | 1999-09-17 | Sony Corp | 光ディスク装置 |
US6545958B1 (en) * | 1998-08-31 | 2003-04-08 | Ricoh Company, Ltd. | Optical-pickup device and tilt-detecting method thereof |
JP4186295B2 (ja) | 1999-03-16 | 2008-11-26 | 松下電器産業株式会社 | 光情報記録再生装置 |
KR100716938B1 (ko) * | 1999-08-09 | 2007-05-10 | 삼성전자주식회사 | 광픽업장치 |
JP4578656B2 (ja) * | 1999-09-16 | 2010-11-10 | 三星電子株式会社 | 光記録再生機器用エラー信号検出装置 |
-
2001
- 2001-01-05 EP EP01300094A patent/EP1115111B1/de not_active Expired - Lifetime
- 2001-01-05 DE DE60106987T patent/DE60106987T2/de not_active Expired - Lifetime
- 2001-01-05 JP JP2001000846A patent/JP3696092B2/ja not_active Expired - Fee Related
- 2001-01-06 CN CNB011030801A patent/CN1179330C/zh not_active Expired - Fee Related
- 2001-01-08 US US09/755,175 patent/US6785209B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1115111A3 (de) | 2003-04-16 |
US20010021150A1 (en) | 2001-09-13 |
CN1308326A (zh) | 2001-08-15 |
DE60106987T2 (de) | 2005-03-31 |
JP3696092B2 (ja) | 2005-09-14 |
EP1115111B1 (de) | 2004-11-10 |
JP2001216679A (ja) | 2001-08-10 |
CN1179330C (zh) | 2004-12-08 |
US6785209B2 (en) | 2004-08-31 |
EP1115111A2 (de) | 2001-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |