SG111067A1 - Optical pickup - Google Patents
Optical pickupInfo
- Publication number
- SG111067A1 SG111067A1 SG200203441A SG200203441A SG111067A1 SG 111067 A1 SG111067 A1 SG 111067A1 SG 200203441 A SG200203441 A SG 200203441A SG 200203441 A SG200203441 A SG 200203441A SG 111067 A1 SG111067 A1 SG 111067A1
- Authority
- SG
- Singapore
- Prior art keywords
- optical pickup
- pickup
- optical
- Prior art date
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
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
-
- 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
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
- G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- 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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001183050A JP2003006902A (ja) | 2001-06-18 | 2001-06-18 | 光ピックアップ |
Publications (1)
Publication Number | Publication Date |
---|---|
SG111067A1 true SG111067A1 (en) | 2005-05-30 |
Family
ID=19023052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200203441A SG111067A1 (en) | 2001-06-18 | 2002-06-11 | Optical pickup |
Country Status (8)
Country | Link |
---|---|
US (1) | US6977881B2 (ja) |
EP (1) | EP1288929A3 (ja) |
JP (1) | JP2003006902A (ja) |
KR (1) | KR20020096949A (ja) |
CN (1) | CN1210701C (ja) |
MY (1) | MY131954A (ja) |
SG (1) | SG111067A1 (ja) |
TW (1) | TWI226628B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003006902A (ja) * | 2001-06-18 | 2003-01-10 | Sony Corp | 光ピックアップ |
CN1232961C (zh) * | 2001-06-18 | 2005-12-21 | 索尼公司 | 光学头的驱动方法、光学头及光盘装置 |
JP4085245B2 (ja) | 2002-02-08 | 2008-05-14 | ソニー株式会社 | 光学ヘッド及び光ディスク装置 |
JP2004118916A (ja) * | 2002-09-25 | 2004-04-15 | Sony Corp | アクチュエータ |
KR101194701B1 (ko) * | 2004-03-04 | 2012-10-31 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광 빔에 광학수차를 도입하는 광학 부재 |
KR100661183B1 (ko) | 2004-12-22 | 2006-12-26 | 삼성전자주식회사 | 수차보정기구를 가지는 광픽업 엑추에이터 및 그 조립방법 |
JP2007141284A (ja) * | 2005-11-15 | 2007-06-07 | Funai Electric Co Ltd | 光ピックアップ |
JP2008192193A (ja) * | 2007-01-31 | 2008-08-21 | Toshiba Corp | 光ヘッド装置及び光ディスク装置 |
CA2850068A1 (en) * | 2011-09-27 | 2013-04-04 | British Columbia Cancer Agency Branch | Scanning optical systems |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000037982A2 (en) * | 1998-12-22 | 2000-06-29 | Koninklijke Philips Electronics N.V. | Optical lens system and scanning device provided with such a system |
EP1043615A1 (en) * | 1998-10-22 | 2000-10-11 | Sony Corporation | Optical head and recording/reproducing device |
US6191889B1 (en) * | 1998-05-29 | 2001-02-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2761972B2 (ja) | 1990-08-21 | 1998-06-04 | 株式会社日立製作所 | 対物レンズ駆動装置及び光ディスク装置 |
JPH05120720A (ja) * | 1991-10-28 | 1993-05-18 | Toshiba Corp | 情報記録・再生装置 |
JPH0750023A (ja) * | 1993-08-04 | 1995-02-21 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
JPH0845105A (ja) * | 1994-08-03 | 1996-02-16 | Matsushita Electric Ind Co Ltd | 光情報記録再生装置 |
JPH0877584A (ja) * | 1994-08-31 | 1996-03-22 | Pioneer Electron Corp | 対物レンズ駆動装置 |
JP3567515B2 (ja) | 1995-02-15 | 2004-09-22 | ソニー株式会社 | 光学ピックアップ装置 |
US6026065A (en) * | 1995-03-04 | 2000-02-15 | Lg Electronics Inc. | Optical pick-up apparatus capable of reading data irrespective of disc type |
JP3443226B2 (ja) * | 1995-08-31 | 2003-09-02 | パイオニア株式会社 | 光ピックアップ |
JPH0991749A (ja) * | 1995-09-25 | 1997-04-04 | Victor Co Of Japan Ltd | 光ピックアップ装置 |
US5748603A (en) * | 1995-12-30 | 1998-05-05 | Lg Electronics, Inc. | Optical pickup apparatus for different discs |
JPH09251662A (ja) * | 1996-03-15 | 1997-09-22 | Sony Corp | 記録媒体記録再生装置および記録媒体記録再生方法 |
JPH09320101A (ja) * | 1996-05-28 | 1997-12-12 | Victor Co Of Japan Ltd | 光ピックアップ |
JPH10106012A (ja) * | 1996-09-30 | 1998-04-24 | Konica Corp | 光ディスク装置のレンズ球面収差補正方法及び光ディスク装置 |
JPH10228653A (ja) * | 1997-02-10 | 1998-08-25 | Olympus Optical Co Ltd | 対物レンズ駆動装置 |
JP3653923B2 (ja) | 1997-03-19 | 2005-06-02 | ソニー株式会社 | 記録再生装置および方法 |
KR200168981Y1 (ko) * | 1997-08-27 | 2000-02-01 | 윤종용 | 광픽업의 대물렌즈 구동장치 |
JPH11110768A (ja) * | 1997-09-30 | 1999-04-23 | Sony Corp | 光ピックアップ装置 |
JPH11185283A (ja) * | 1997-12-19 | 1999-07-09 | Sony Corp | 光ピックアップ装置 |
JP2000011388A (ja) * | 1998-06-19 | 2000-01-14 | Sony Corp | 光情報記録再生装置および光情報記録再生方法 |
JP2000260056A (ja) * | 1999-01-08 | 2000-09-22 | Asahi Optical Co Ltd | 複合対物レンズ,球面収差補正素子及び光情報記録再生装置 |
JP2000215505A (ja) * | 1999-01-27 | 2000-08-04 | Citizen Watch Co Ltd | 光学装置 |
US7085203B2 (en) | 2000-03-03 | 2006-08-01 | Matsushita Electric Industrial Co., Ltd. | Optical head with defocusing correction and spherical aberration correction |
JP3575380B2 (ja) * | 2000-03-17 | 2004-10-13 | 松下電器産業株式会社 | 光ディスク装置及び対物レンズ駆動装置 |
JP4279444B2 (ja) * | 2000-10-06 | 2009-06-17 | パイオニア株式会社 | 収差補正光学ユニット並びに光ピックアップ装置及びその駆動方法 |
JP2003006902A (ja) * | 2001-06-18 | 2003-01-10 | Sony Corp | 光ピックアップ |
-
2001
- 2001-06-18 JP JP2001183050A patent/JP2003006902A/ja active Pending
-
2002
- 2002-06-11 SG SG200203441A patent/SG111067A1/en unknown
- 2002-06-12 MY MYPI20022199A patent/MY131954A/en unknown
- 2002-06-17 US US10/171,775 patent/US6977881B2/en not_active Expired - Fee Related
- 2002-06-17 KR KR1020020033677A patent/KR20020096949A/ko not_active Application Discontinuation
- 2002-06-18 CN CNB021265801A patent/CN1210701C/zh not_active Expired - Fee Related
- 2002-06-18 EP EP02291514A patent/EP1288929A3/en not_active Withdrawn
- 2002-06-18 TW TW091113248A patent/TWI226628B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6191889B1 (en) * | 1998-05-29 | 2001-02-20 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
EP1043615A1 (en) * | 1998-10-22 | 2000-10-11 | Sony Corporation | Optical head and recording/reproducing device |
WO2000037982A2 (en) * | 1998-12-22 | 2000-06-29 | Koninklijke Philips Electronics N.V. | Optical lens system and scanning device provided with such a system |
Also Published As
Publication number | Publication date |
---|---|
CN1392547A (zh) | 2003-01-22 |
MY131954A (en) | 2007-09-28 |
KR20020096949A (ko) | 2002-12-31 |
TWI226628B (en) | 2005-01-11 |
CN1210701C (zh) | 2005-07-13 |
US20030007445A1 (en) | 2003-01-09 |
EP1288929A2 (en) | 2003-03-05 |
EP1288929A3 (en) | 2004-01-14 |
JP2003006902A (ja) | 2003-01-10 |
US6977881B2 (en) | 2005-12-20 |
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