CN1534634A - 磁路和使用磁路的光拾取致动器及光记录和/或重放装置 - Google Patents
磁路和使用磁路的光拾取致动器及光记录和/或重放装置 Download PDFInfo
- Publication number
- CN1534634A CN1534634A CNA2003101147880A CN200310114788A CN1534634A CN 1534634 A CN1534634 A CN 1534634A CN A2003101147880 A CNA2003101147880 A CN A2003101147880A CN 200310114788 A CN200310114788 A CN 200310114788A CN 1534634 A CN1534634 A CN 1534634A
- Authority
- CN
- China
- Prior art keywords
- magnet
- magnetic circuit
- magnet part
- optical pickup
- focusing
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 168
- 230000033001 locomotion Effects 0.000 claims abstract description 34
- 230000035945 sensitivity Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000010287 polarization Effects 0.000 abstract description 17
- 230000004907 flux Effects 0.000 description 21
- 238000005096 rolling process Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 12
- 238000009826 distribution Methods 0.000 description 10
- 230000005484 gravity Effects 0.000 description 10
- 230000003993 interaction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009017 pursuit movement Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
-
- 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
- G11B7/08—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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (57)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0070655A KR100505648B1 (ko) | 2002-11-14 | 2002-11-14 | 자기 회로 및 이를 채용한 광픽업 액츄에이터 및 광 기록및/또는 재생기기 |
KR70655/2002 | 2002-11-14 | ||
KR70655/02 | 2002-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1534634A true CN1534634A (zh) | 2004-10-06 |
CN1321411C CN1321411C (zh) | 2007-06-13 |
Family
ID=32733052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101147880A Expired - Fee Related CN1321411C (zh) | 2002-11-14 | 2003-11-14 | 磁路和使用磁路的光拾取致动器及光记录和/或重放装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040148620A1 (zh) |
JP (1) | JP2004164841A (zh) |
KR (1) | KR100505648B1 (zh) |
CN (1) | CN1321411C (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006066048A (ja) * | 2003-12-25 | 2006-03-09 | Nidec Sankyo Corp | 対物レンズ駆動装置、及びそれを備えた光ヘッド装置 |
KR100532497B1 (ko) * | 2004-01-27 | 2005-11-30 | 삼성전자주식회사 | 자기 회로 및 이를 채용한 광픽업용 액츄에이터 및 광기록 및/또는 재생기기 |
KR20050112010A (ko) * | 2004-05-24 | 2005-11-29 | 삼성전자주식회사 | 광픽업 액츄에이터 및 이를 채용한 광디스크 드라이브 |
KR101043101B1 (ko) * | 2004-06-25 | 2011-06-20 | 엘지전자 주식회사 | 광 픽업 액츄에이터 |
EP1783759B1 (en) * | 2005-11-07 | 2009-02-11 | Thomson Licensing S.A. | Objective lens driving device for optical recording media and device having the objective lens driving device |
EP1783758A1 (en) * | 2005-11-07 | 2007-05-09 | Deutsche Thomson-Brandt Gmbh | Objective lens driving device for optical recording media and device having the objective lens driving device |
KR20080057484A (ko) * | 2006-12-20 | 2008-06-25 | 삼성전자주식회사 | 광픽업 액츄에이터 |
EP1942496A1 (en) * | 2007-01-04 | 2008-07-09 | THOMSON Licensing | Pickup for accessing moving storage media and drive having the pickup |
EP1942495A1 (en) * | 2007-01-04 | 2008-07-09 | Deutsche Thomson OHG | Pickup for accessing moving storage media and drive having the pickup |
KR101275318B1 (ko) * | 2011-11-08 | 2013-06-17 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 광 픽업의 렌즈 구동 유닛 및 이를 적용하는 광 디스크 드라이브 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3246140B2 (ja) * | 1993-11-16 | 2002-01-15 | ソニー株式会社 | 対物レンズ駆動装置 |
JP2866584B2 (ja) * | 1994-06-28 | 1999-03-08 | 株式会社三協精機製作所 | 対物レンズ駆動装置 |
EP0735526B1 (en) * | 1995-03-31 | 1998-05-20 | Daewoo Electronics Co., Ltd | Optical pick-up apparatus |
JPH0991722A (ja) * | 1995-09-22 | 1997-04-04 | Toshiba Corp | 光学式ピックアップ装置 |
US6344936B1 (en) * | 1999-09-29 | 2002-02-05 | Matsushita Electric Industrial Co., Ltd. | Objective lens driving apparatus |
EP1098304B1 (en) * | 1999-10-15 | 2006-08-09 | Pioneer Corporation | Lens driving apparatus |
JP3875522B2 (ja) * | 2000-07-14 | 2007-01-31 | Tdk株式会社 | 光ピックアップの対物レンズ駆動装置 |
JP3865288B2 (ja) * | 2000-09-29 | 2007-01-10 | スミダコーポレーション株式会社 | 光ヘッドアクチュエータ |
KR100727911B1 (ko) * | 2000-12-08 | 2007-06-14 | 삼성전자주식회사 | 광픽업용 4축구동 액추에이터 |
KR100498443B1 (ko) * | 2002-01-08 | 2005-07-01 | 삼성전자주식회사 | 광픽업용 액츄에이터 |
KR100479617B1 (ko) * | 2002-08-19 | 2005-03-30 | 엘지전자 주식회사 | 광픽업 액츄에이터 |
KR100488039B1 (ko) * | 2002-04-20 | 2005-05-06 | 엘지전자 주식회사 | 광픽업 액츄에이터 |
KR100871847B1 (ko) * | 2002-04-24 | 2008-12-03 | 삼성전자주식회사 | 광픽업용 액츄에이터 |
KR100878525B1 (ko) * | 2002-05-24 | 2009-01-13 | 삼성전자주식회사 | 광픽업 액츄에이터 |
-
2002
- 2002-11-14 KR KR10-2002-0070655A patent/KR100505648B1/ko not_active IP Right Cessation
-
2003
- 2003-11-12 US US10/705,238 patent/US20040148620A1/en not_active Abandoned
- 2003-11-14 JP JP2003385702A patent/JP2004164841A/ja active Pending
- 2003-11-14 CN CNB2003101147880A patent/CN1321411C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1321411C (zh) | 2007-06-13 |
KR20040042376A (ko) | 2004-05-20 |
US20040148620A1 (en) | 2004-07-29 |
KR100505648B1 (ko) | 2005-08-03 |
JP2004164841A (ja) | 2004-06-10 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA SAMSUNG STORAGE TECHNO Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20140722 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140722 Address after: Gyeonggi Do, South Korea Patentee after: Toshiba Samsung Storage Technology Korea Co., Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20161114 |