SG99885A1 - Optical pickup, tilt detection apparatus, tilt detection method and optical disk apparatus - Google Patents
Optical pickup, tilt detection apparatus, tilt detection method and optical disk apparatusInfo
- Publication number
- SG99885A1 SG99885A1 SG200100704A SG200100704A SG99885A1 SG 99885 A1 SG99885 A1 SG 99885A1 SG 200100704 A SG200100704 A SG 200100704A SG 200100704 A SG200100704 A SG 200100704A SG 99885 A1 SG99885 A1 SG 99885A1
- Authority
- SG
- Singapore
- Prior art keywords
- tilt detection
- optical disk
- detection method
- optical pickup
- optical
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 2
- 230000003287 optical effect Effects 0.000 title 2
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
- G11B7/13—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
- G11B7/08—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
-
- 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
- G11B7/135—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000038263 | 2000-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG99885A1 true SG99885A1 (en) | 2003-11-27 |
Family
ID=18562025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG200100704A SG99885A1 (en) | 2000-02-10 | 2001-02-09 | Optical pickup, tilt detection apparatus, tilt detection method and optical disk apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6829205B2 (de) |
| EP (1) | EP1124227B1 (de) |
| KR (1) | KR100747765B1 (de) |
| DE (1) | DE60129178T2 (de) |
| SG (1) | SG99885A1 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020181353A1 (en) * | 2001-05-31 | 2002-12-05 | Nec Corporation | Optical head apparatus and optical information recording and reproducing apparatus |
| US6963522B2 (en) * | 2001-05-31 | 2005-11-08 | Nec Corporation | Optical head apparatus and optical information recording and reproducing apparatus |
| US7068571B2 (en) * | 2001-10-18 | 2006-06-27 | Sanyo Electric Co., Ltd. | Optical recording apparatus and control method thereof |
| JP4098139B2 (ja) * | 2003-04-03 | 2008-06-11 | シャープ株式会社 | 光ピックアップ |
| JP3779705B2 (ja) * | 2003-08-13 | 2006-05-31 | Ｔｄｋ株式会社 | 光ヘッド、ｌｄモジュール、光記録再生装置及び光記録再生装置に用いる回折素子 |
| EP1676267A2 (de) * | 2003-10-13 | 2006-07-05 | Koninklijke Philips Electronics N.V. | Verfahren und einrichtung zum kompensieren der neigung eines optischen datenträgers |
| JP4158114B2 (ja) * | 2004-07-06 | 2008-10-01 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
| JP4234109B2 (ja) * | 2004-10-18 | 2009-03-04 | 株式会社リコー | 光ピックアップ装置とこれを用いる情報記録装置 |
| TW200617924A (en) * | 2004-11-30 | 2006-06-01 | Lite On It Corp | Method and system for adjusting the servo control by monitoring spot status on photo detector of optical pickup head |
| KR100756042B1 (ko) | 2005-01-19 | 2007-09-07 | 삼성전자주식회사 | 회절소자 및 이를 포함하는 광픽업장치 |
| JP2006236514A (ja) * | 2005-02-28 | 2006-09-07 | Hitachi Media Electoronics Co Ltd | 回折格子、光ピックアップ及び光ディスク装置 |
| JP2007179686A (ja) * | 2005-12-28 | 2007-07-12 | Toshiba Corp | 光ピックアップおよび光ディスク装置ならびにラジアルチルト検出方法 |
| JP2008027513A (ja) * | 2006-07-20 | 2008-02-07 | Sony Corp | 光ディスク装置、トラッキングエラー信号生成回路、トラッキングエラー信号の補正方法、プログラム |
| CN100487384C (zh) * | 2007-02-02 | 2009-05-13 | 清华大学深圳研究生院 | 光学头三维力矩器倾斜运动特性曲线的测试方法 |
| JP5695410B2 (ja) * | 2010-12-20 | 2015-04-08 | 株式会社ミツトヨ | 角度検出装置およびその偏心量推定方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065380A (en) * | 1988-09-02 | 1991-11-12 | Sharp Kabushiki Kaisha | Diffraction grating for an optical pickup device |
| US5627812A (en) * | 1993-11-08 | 1997-05-06 | Matsushita Electric Industrial Co., Ltd. | Optical head apparatus and diffraction element having at least two diffractive surfaces |
| US5751680A (en) * | 1995-12-13 | 1998-05-12 | Hitachi, Ltd. | Optical disk drive |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3009134A1 (de) * | 1980-03-10 | 1981-10-15 | Grünzweig + Hartmann Montage GmbH, 6700 Ludwigshafen | Waermedaemmung fuer den gewoelbten boden- und/oder deckelbereich eines druckbehaelters |
| DE68923833T2 (de) * | 1988-06-20 | 1996-06-13 | Mitsubishi Electric Corp | Optischer Kopf mit Kippkorrekturservomechanismus. |
| JPH05101431A (ja) * | 1991-10-07 | 1993-04-23 | Sony Corp | 光デイスク再生装置 |
| JP3193105B2 (ja) * | 1992-02-29 | 2001-07-30 | 日本ビクター株式会社 | チルトエラー検出装置 |
| DE69517127T2 (de) * | 1994-10-31 | 2001-01-25 | Matsushita Electric Ind Co Ltd | Kippsensor, optische Platte, und Kippkompensierensverfahren zur Durchführung einer stabilen Kippkompensationsregelung, und Gerät zur Verwendung derselben |
| JP3447135B2 (ja) * | 1995-02-02 | 2003-09-16 | パイオニア株式会社 | 情報再生装置 |
| US5828634A (en) * | 1996-02-22 | 1998-10-27 | Ricoh Company, Ltd. | Optical disk tracking method and device for producing a tracking error signal and a track crossing signal |
| US6125087A (en) * | 1996-11-07 | 2000-09-26 | Hitachi, Ltd. | Optical pickup for optical disk apparatus |
| TW444201B (en) * | 1998-02-16 | 2001-07-01 | Hitachi Ltd | Optical head |
| JP3443668B2 (ja) * | 1998-04-30 | 2003-09-08 | 富士通株式会社 | 収差補正方法及び収差補正装置 |
| US6532202B1 (en) * | 1999-07-07 | 2003-03-11 | Matsushita Electric Industrial Co., Ltd. | Optical element, optical head and optical recording reproducing apparatus |
-
2001
- 2001-02-06 EP EP01102608A patent/EP1124227B1/de not_active Expired - Lifetime
- 2001-02-06 DE DE60129178T patent/DE60129178T2/de not_active Expired - Lifetime
- 2001-02-08 KR KR1020010006166A patent/KR100747765B1/ko not_active IP Right Cessation
- 2001-02-09 US US09/779,608 patent/US6829205B2/en not_active Expired - Fee Related
- 2001-02-09 SG SG200100704A patent/SG99885A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5065380A (en) * | 1988-09-02 | 1991-11-12 | Sharp Kabushiki Kaisha | Diffraction grating for an optical pickup device |
| US5627812A (en) * | 1993-11-08 | 1997-05-06 | Matsushita Electric Industrial Co., Ltd. | Optical head apparatus and diffraction element having at least two diffractive surfaces |
| US5751680A (en) * | 1995-12-13 | 1998-05-12 | Hitachi, Ltd. | Optical disk drive |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60129178T2 (de) | 2008-03-13 |
| US6829205B2 (en) | 2004-12-07 |
| EP1124227B1 (de) | 2007-07-04 |
| EP1124227A2 (de) | 2001-08-16 |
| DE60129178D1 (de) | 2007-08-16 |
| EP1124227A3 (de) | 2003-01-29 |
| KR100747765B1 (ko) | 2007-08-08 |
| US20010046194A1 (en) | 2001-11-29 |
| KR20010082074A (ko) | 2001-08-29 |
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