KR100488039B1 - 광픽업 액츄에이터 - Google Patents
광픽업 액츄에이터 Download PDFInfo
- Publication number
- KR100488039B1 KR100488039B1 KR10-2002-0021747A KR20020021747A KR100488039B1 KR 100488039 B1 KR100488039 B1 KR 100488039B1 KR 20020021747 A KR20020021747 A KR 20020021747A KR 100488039 B1 KR100488039 B1 KR 100488039B1
- Authority
- KR
- South Korea
- Prior art keywords
- coil
- focusing
- magnet
- tilting
- tracking
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 95
- 230000004907 flux Effects 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 230000005405 multipole Effects 0.000 description 11
- 230000005404 monopole Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005672 electromagnetic field Effects 0.000 description 5
- 230000004075 alteration Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010010071 Coma Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- 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
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
-
- 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
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (12)
- 삭제
- 삭제
- 삭제
- 삭제
- 자기장 플럭스를 발생시키며, 좌/우로 배열된 극성이 다른 두 개의 단극 마그네트와;상기 단극 마그네트와 대응되는 자극이 유도되어 폐회로의 자기장 플럭스를 형성하며, 상기 단극 마그네트를 감싸면서 그 상변 및/또는 하변에 각각 마련되어 4극 또는 2극의 마그네트 효과를 추가적으로 제공하는 자성 요크와;상기 단극 마그네트 및 상기 단극 마그네트의 하변에 마련된 자성 요크의 대향면 상에 마련되며, 포커싱/틸팅 구동력을 발생시키는 적어도 하나 이상의 포커싱/틸팅 코일; 및상기 극성이 다른 두 개의 단극 마그네트에 의한 경계의 대향면 상에 마련되며, 트랙킹 구동력을 발생시키는 적어도 하나 이상의 트랙킹 코일; 을 포함하는 것을 특징으로 하는 광픽업 액츄에이터.
- 제 5항에 있어서,상기 포커싱/틸팅 코일은, 권선형 코일 또는 파인 패턴 코일로 형성되는 것을 특징으로 하는 광픽업 액츄에이터.
- 제 5항에 있어서,상기 트랙킹 코일은, 권선형 코일 또는 파인 패턴 코일로 형성되며, 극성이 다른 두 개의 단극 마그네트에 의한 경계면 상에 사각 형상으로 마련되는 것을 특징으로 하는 광픽업 액츄에이터.
- 제 5항에 있어서,상기 트랙킹 코일은, 권선형 코일 또는 파인 패턴 코일로 형성되며, 극성이 다른 두 개의 단극 마그네트에 의한 경계면 상에 마름모 형상으로 마련되는 것을 특징으로 하는 광픽업 액츄에이터.
- 제 5항에 있어서,상기 트랙킹 코일은, 권선형 코일 또는 파인 패턴 코일로 형성되며, 극성이 다른 두 개의 단극 마그네트에 의한 경계면 상에 원형 형상으로 마련되는 것을 특징으로 하는 광픽업 액츄에이터.
- 삭제
- 삭제
- 삭제
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0021747A KR100488039B1 (ko) | 2002-04-20 | 2002-04-20 | 광픽업 액츄에이터 |
EP03009076A EP1355301A3 (en) | 2002-04-20 | 2003-04-18 | Optical pick-up actuator |
US10/419,533 US7385885B2 (en) | 2002-04-20 | 2003-04-21 | Magnetic circuit for moving a lens holder of an optical pick-up actuator |
CNB031225780A CN1312676C (zh) | 2002-04-20 | 2003-04-21 | 光拾取执行器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0021747A KR100488039B1 (ko) | 2002-04-20 | 2002-04-20 | 광픽업 액츄에이터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030083282A KR20030083282A (ko) | 2003-10-30 |
KR100488039B1 true KR100488039B1 (ko) | 2005-05-06 |
Family
ID=32379830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0021747A KR100488039B1 (ko) | 2002-04-20 | 2002-04-20 | 광픽업 액츄에이터 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100488039B1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100505648B1 (ko) * | 2002-11-14 | 2005-08-03 | 삼성전자주식회사 | 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기 |
KR20050112010A (ko) * | 2004-05-24 | 2005-11-29 | 삼성전자주식회사 | 광픽업 액츄에이터 및 이를 채용한 광디스크 드라이브 |
KR100688597B1 (ko) | 2005-03-25 | 2007-03-02 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 고추력을 갖는 광픽업 액츄에이터 및 이를 이용한광기록/재생장치 |
KR100732355B1 (ko) * | 2006-02-25 | 2007-06-27 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업 액츄에이터 |
KR100806062B1 (ko) * | 2006-07-27 | 2008-02-21 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광픽업 장치 및 상기 광픽업 장치를 채용한 광기록/재생시스템 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08273176A (ja) * | 1995-03-30 | 1996-10-18 | Nec Corp | 光ヘッドの対物レンズアクチュエータ |
KR970050410A (ko) * | 1995-12-29 | 1997-07-29 | 구자홍 | 광픽업용 엑츄에이터 |
KR19980085237A (ko) * | 1997-05-28 | 1998-12-05 | 구자홍 | 광픽업 액츄에이터 |
JPH10334486A (ja) * | 1997-05-27 | 1998-12-18 | Mitsumi Electric Co Ltd | 光ピックアップ |
KR20000043325A (ko) * | 1998-12-28 | 2000-07-15 | 전주범 | 와이어 구동방식 광픽업 액츄에이터 |
KR20000043323A (ko) * | 1998-12-28 | 2000-07-15 | 전주범 | 자기회로를 갖는 축타입 광픽업 액츄에이터 |
KR20010017381A (ko) * | 1999-08-11 | 2001-03-05 | 윤종용 | 픽업 엑추에이터 |
KR20010064312A (ko) * | 1999-12-29 | 2001-07-09 | 구자홍 | 광픽업용 엑츄에이터 |
KR20010109532A (ko) * | 1998-12-12 | 2001-12-12 | 구자홍 | 광픽업 액츄에이터 |
-
2002
- 2002-04-20 KR KR10-2002-0021747A patent/KR100488039B1/ko not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08273176A (ja) * | 1995-03-30 | 1996-10-18 | Nec Corp | 光ヘッドの対物レンズアクチュエータ |
KR970050410A (ko) * | 1995-12-29 | 1997-07-29 | 구자홍 | 광픽업용 엑츄에이터 |
JPH10334486A (ja) * | 1997-05-27 | 1998-12-18 | Mitsumi Electric Co Ltd | 光ピックアップ |
KR19980085237A (ko) * | 1997-05-28 | 1998-12-05 | 구자홍 | 광픽업 액츄에이터 |
KR20010109532A (ko) * | 1998-12-12 | 2001-12-12 | 구자홍 | 광픽업 액츄에이터 |
KR20000043325A (ko) * | 1998-12-28 | 2000-07-15 | 전주범 | 와이어 구동방식 광픽업 액츄에이터 |
KR20000043323A (ko) * | 1998-12-28 | 2000-07-15 | 전주범 | 자기회로를 갖는 축타입 광픽업 액츄에이터 |
KR100288421B1 (ko) * | 1998-12-28 | 2001-05-02 | 전주범 | 와이어 구동방식 광픽업 액츄에이터 |
KR20010017381A (ko) * | 1999-08-11 | 2001-03-05 | 윤종용 | 픽업 엑추에이터 |
KR20010064312A (ko) * | 1999-12-29 | 2001-07-09 | 구자홍 | 광픽업용 엑츄에이터 |
Also Published As
Publication number | Publication date |
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KR20030083282A (ko) | 2003-10-30 |
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