CN1637883A - 防止光盘系统中的移动机构线圈损伤的装置及方法 - Google Patents
防止光盘系统中的移动机构线圈损伤的装置及方法 Download PDFInfo
- Publication number
- CN1637883A CN1637883A CNA2004100982317A CN200410098231A CN1637883A CN 1637883 A CN1637883 A CN 1637883A CN A2004100982317 A CNA2004100982317 A CN A2004100982317A CN 200410098231 A CN200410098231 A CN 200410098231A CN 1637883 A CN1637883 A CN 1637883A
- Authority
- CN
- China
- Prior art keywords
- servo
- control signal
- peak value
- signal
- threshold values
- 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
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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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (27)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0100639A KR100524996B1 (ko) | 2003-12-30 | 2003-12-30 | 광 디스크 시스템의 엑츄에이터 코일 손상 방지 장치 및그 방법 |
KR100639/2003 | 2003-12-30 | ||
KR100639/03 | 2003-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1637883A true CN1637883A (zh) | 2005-07-13 |
CN1332381C CN1332381C (zh) | 2007-08-15 |
Family
ID=34698786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100982317A Expired - Fee Related CN1332381C (zh) | 2003-12-30 | 2004-11-30 | 防止光盘系统中的移动机构线圈损伤的装置及方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050141361A1 (zh) |
KR (1) | KR100524996B1 (zh) |
CN (1) | CN1332381C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070095315A (ko) * | 2004-12-06 | 2007-09-28 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광학 기록매체 시스템에 사용하기 위한 장치 및 방법 |
KR100775707B1 (ko) | 2006-06-30 | 2007-11-09 | 주식회사 대우일렉트로닉스 | 광디스크 기록/재생 시스템에서 액츄에이터 발진으로 인한픽업 손상 방지방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02247830A (ja) * | 1989-03-20 | 1990-10-03 | Pioneer Electron Corp | サーボループのループゲイン設定方法 |
US5729511A (en) * | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
JPH0581685A (ja) * | 1991-09-24 | 1993-04-02 | Sony Corp | 光学式デイスク装置 |
US5703848A (en) * | 1994-04-05 | 1997-12-30 | Hewlett-Packard Company | Off track detection system for ruggedized optical disk drive |
JPH10134369A (ja) * | 1996-10-31 | 1998-05-22 | Sanyo Electric Co Ltd | 光ディスク再生装置のトラック検出回路 |
JP3635518B2 (ja) * | 1997-11-27 | 2005-04-06 | パイオニア株式会社 | トラッキングエラー信号補正装置及び情報再生装置 |
US6611397B1 (en) * | 1998-06-05 | 2003-08-26 | Seagate Technology Llc | Servo burst pattern defect detection |
JP2000339727A (ja) * | 1999-05-18 | 2000-12-08 | Lg Electronics Inc | 光記録媒体の記録再生方法 |
JP2001067686A (ja) * | 1999-08-31 | 2001-03-16 | Sanyo Electric Co Ltd | 光ディスク装置 |
JP2001319344A (ja) * | 2000-03-03 | 2001-11-16 | Sony Computer Entertainment Inc | フォーカス制御装置、記録媒体および光ディスク再生装置 |
JP2002150572A (ja) * | 2000-11-07 | 2002-05-24 | Sanyo Electric Co Ltd | ディスク装置 |
CN1211789C (zh) * | 2001-12-14 | 2005-07-20 | 松下电器产业株式会社 | 光头以及光盘装置 |
-
2003
- 2003-12-30 KR KR10-2003-0100639A patent/KR100524996B1/ko not_active IP Right Cessation
-
2004
- 2004-09-07 US US10/934,623 patent/US20050141361A1/en not_active Abandoned
- 2004-11-30 CN CNB2004100982317A patent/CN1332381C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1332381C (zh) | 2007-08-15 |
KR100524996B1 (ko) | 2005-10-31 |
US20050141361A1 (en) | 2005-06-30 |
KR20050068827A (ko) | 2005-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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. |
|
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: 20070815 Termination date: 20161130 |