SG90143A1 - Objective lens driving device and optical disc apparatus - Google Patents
Objective lens driving device and optical disc apparatusInfo
- Publication number
- SG90143A1 SG90143A1 SG200003138A SG200003138A SG90143A1 SG 90143 A1 SG90143 A1 SG 90143A1 SG 200003138 A SG200003138 A SG 200003138A SG 200003138 A SG200003138 A SG 200003138A SG 90143 A1 SG90143 A1 SG 90143A1
- Authority
- SG
- Singapore
- Prior art keywords
- driving device
- objective lens
- optical disc
- lens driving
- disc apparatus
- Prior art date
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
- G11B7/08—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
- G11B7/0933—Details of stationary 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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11164854A JP2000353330A (ja) | 1999-06-11 | 1999-06-11 | 対物レンズ駆動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG90143A1 true SG90143A1 (en) | 2002-07-23 |
Family
ID=15801187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200003138A SG90143A1 (en) | 1999-06-11 | 2000-06-06 | Objective lens driving device and optical disc apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US6757236B1 (ko) |
JP (1) | JP2000353330A (ko) |
KR (1) | KR20010007329A (ko) |
CN (1) | CN1151497C (ko) |
SG (1) | SG90143A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002260258A (ja) * | 2000-12-28 | 2002-09-13 | Sony Corp | 対物レンズ駆動装置及びこれを備えたディスク装置 |
JP2003077156A (ja) * | 2001-06-20 | 2003-03-14 | Mitsubishi Electric Corp | 光ヘッド装置 |
DE602004020046D1 (de) * | 2003-12-29 | 2009-04-30 | Lg Electronics Inc | Positionierungsanordnung für einen optischen Abtastkopf |
JP4486020B2 (ja) * | 2005-09-30 | 2010-06-23 | 株式会社日立メディアエレクトロニクス | 光ピックアップ装置 |
US10243121B2 (en) | 2011-06-24 | 2019-03-26 | Cree, Inc. | High voltage monolithic LED chip with improved reliability |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419097A2 (en) * | 1989-09-18 | 1991-03-27 | Sony Corporation | Objective lens driving devices |
EP0825594A2 (en) * | 1996-08-19 | 1998-02-25 | Hitachi, Ltd. | Objective lens driving device and optical disc apparatus using the same |
EP0902423A2 (en) * | 1997-08-27 | 1999-03-17 | Samsung Electronics Co., Ltd. | Objective lens driving device for an optical pick-up unit |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0228055B1 (en) | 1985-12-27 | 1992-03-04 | Mitsubishi Denki Kabushiki Kaisha | Driving equipment for objective lens |
JP2728496B2 (ja) * | 1989-04-21 | 1998-03-18 | 株式会社日立製作所 | 対物レンズ駆動装置 |
JPH02281431A (ja) * | 1989-04-21 | 1990-11-19 | Teac Corp | 対物レンズ駆動装置 |
JP3227677B2 (ja) | 1991-12-13 | 2001-11-12 | ソニー株式会社 | 記録媒体駆動装置 |
JPH05266506A (ja) * | 1992-03-19 | 1993-10-15 | Sony Corp | 2軸アクチュエータ |
JP2848999B2 (ja) * | 1992-04-02 | 1999-01-20 | 株式会社日本コンラックス | 対物レンズの駆動装置 |
US5761183A (en) * | 1992-12-24 | 1998-06-02 | Olympus, Optical Co., Ltd. | Optical pickup |
JPH0765496A (ja) | 1993-08-26 | 1995-03-10 | Sony Corp | 記録媒体装着装置、及び、記録及び/又は再生装置 |
TW282529B (ko) * | 1993-12-28 | 1996-08-01 | Sony Co Ltd | |
KR960014988A (ko) * | 1994-10-31 | 1996-05-22 | 배순훈 | 대물렌즈 구동부 지지장치 |
JP3401965B2 (ja) | 1994-11-18 | 2003-04-28 | ソニー株式会社 | 二軸アクチュエータ |
JP3059901B2 (ja) * | 1994-12-28 | 2000-07-04 | シャープ株式会社 | 疑似並進運動支持機構 |
JP3834831B2 (ja) | 1995-03-20 | 2006-10-18 | ソニー株式会社 | 対物レンズ駆動装置及びこの対物レンズ駆動装置を用いた光ピックアップ装置 |
US5949590A (en) * | 1995-12-29 | 1999-09-07 | Lg Electronics, Inc. | Actuator for optical pickup apparatus |
JPH09259458A (ja) | 1996-03-22 | 1997-10-03 | Sony Corp | 光学装置及びこの光学装置を用いた光ピックアップ装置 |
KR200146342Y1 (ko) * | 1996-12-30 | 1999-06-15 | 전주범 | 디브이디용 슬라이딩 액츄에이터 |
US6181670B1 (en) * | 1997-01-31 | 2001-01-30 | Kabushiki Kaisha Toshiba | Objective lens mounting apparatus and objective lens driving apparatus |
KR100220520B1 (ko) * | 1997-02-28 | 1999-09-15 | 전주범 | 광픽업 액츄에이터 |
TW360400U (en) * | 1997-10-30 | 1999-06-01 | Ind Tech Res Inst | Magnetic floating actuator |
US6278669B1 (en) * | 1998-03-04 | 2001-08-21 | Matsushita Electric Industrial Company, Ltd. | Objective lens driving apparatus |
US6344936B1 (en) * | 1999-09-29 | 2002-02-05 | Matsushita Electric Industrial Co., Ltd. | Objective lens driving apparatus |
-
1999
- 1999-06-11 JP JP11164854A patent/JP2000353330A/ja active Pending
-
2000
- 2000-06-06 SG SG200003138A patent/SG90143A1/en unknown
- 2000-06-09 US US09/591,164 patent/US6757236B1/en not_active Expired - Fee Related
- 2000-06-10 KR KR1020000031892A patent/KR20010007329A/ko not_active Application Discontinuation
- 2000-06-12 CN CNB001188348A patent/CN1151497C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0419097A2 (en) * | 1989-09-18 | 1991-03-27 | Sony Corporation | Objective lens driving devices |
EP0825594A2 (en) * | 1996-08-19 | 1998-02-25 | Hitachi, Ltd. | Objective lens driving device and optical disc apparatus using the same |
EP0902423A2 (en) * | 1997-08-27 | 1999-03-17 | Samsung Electronics Co., Ltd. | Objective lens driving device for an optical pick-up unit |
Also Published As
Publication number | Publication date |
---|---|
US6757236B1 (en) | 2004-06-29 |
KR20010007329A (ko) | 2001-01-26 |
CN1151497C (zh) | 2004-05-26 |
CN1277430A (zh) | 2000-12-20 |
JP2000353330A (ja) | 2000-12-19 |
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