CN1296916C - Rom系统中使用的倾斜伺服装置 - Google Patents
Rom系统中使用的倾斜伺服装置 Download PDFInfo
- Publication number
- CN1296916C CN1296916C CNB2004100473707A CN200410047370A CN1296916C CN 1296916 C CN1296916 C CN 1296916C CN B2004100473707 A CNB2004100473707 A CN B2004100473707A CN 200410047370 A CN200410047370 A CN 200410047370A CN 1296916 C CN1296916 C CN 1296916C
- Authority
- CN
- China
- Prior art keywords
- light beam
- holographic
- tilt
- storage media
- digital storage
- 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.)
- Expired - Fee Related
Links
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
- G11B7/12—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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0091068A KR100536721B1 (ko) | 2003-12-15 | 2003-12-15 | 홀로그래픽 롬 시스템의 디스크 틸트 제어장치 |
KR0091068/2003 | 2003-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1629949A CN1629949A (zh) | 2005-06-22 |
CN1296916C true CN1296916C (zh) | 2007-01-24 |
Family
ID=34511221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100473707A Expired - Fee Related CN1296916C (zh) | 2003-12-15 | 2004-06-02 | Rom系统中使用的倾斜伺服装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7027196B2 (zh) |
EP (1) | EP1544854B1 (zh) |
JP (1) | JP2005182975A (zh) |
KR (1) | KR100536721B1 (zh) |
CN (1) | CN1296916C (zh) |
DE (1) | DE602004016720D1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100676873B1 (ko) * | 2005-12-22 | 2007-02-02 | 주식회사 대우일렉트로닉스 | 광정보 재생장치, 광정보 기록재생장치, 이를 이용한 광틸팅방법 |
KR100727779B1 (ko) * | 2006-04-06 | 2007-06-14 | 주식회사 대우일렉트로닉스 | 광정보 재생장치, 광정보 기록재생장치 및 이를 이용한광정보 재생방법 |
DE602007002433D1 (de) | 2006-04-06 | 2009-10-29 | Daewoo Electronics Corp | Optisches Informationswiedergabegerät und optisches Informationswiedergabeverfahren damit |
JP2008097701A (ja) * | 2006-10-11 | 2008-04-24 | Sony Corp | 光ディスク装置及びディスクチルト補正方法、並びに光ディスク |
JP4784473B2 (ja) * | 2006-10-13 | 2011-10-05 | ソニー株式会社 | 光ディスク装置及びディスクチルト補正方法、並びに光ディスク |
JP2009020134A (ja) * | 2007-07-10 | 2009-01-29 | Sharp Corp | ホログラム素子、ホログラム素子作製装置、ホログラム素子作製方法、およびホログラム再生装置 |
JP4539766B2 (ja) * | 2008-08-13 | 2010-09-08 | ソニー株式会社 | ホログラム記録再生装置、ホログラム記録再生方法およびホログラム記録媒体 |
KR20100135048A (ko) * | 2009-06-16 | 2010-12-24 | 삼성전자주식회사 | 경사 보상이 가능한 인코더, 이를 이용한 하드 디스크 드라이브 및 하드 디스크 드라이브를 위한 서보 트랙 기록 장치 |
US20140362676A1 (en) * | 2011-12-28 | 2014-12-11 | Electronics And Telecommunications Research Institute | Optical information processing apparatus and method for controlling same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000076678A (ja) * | 1998-08-27 | 2000-03-14 | Pioneer Electronic Corp | 光ピックアップ装置 |
JP2001307358A (ja) * | 2000-04-20 | 2001-11-02 | Nec Corp | 光ヘッド装置および光学式情報記録再生装置 |
JP2002216368A (ja) * | 2001-01-15 | 2002-08-02 | Sony Corp | 光ピックアップ装置及び光学ディスク装置 |
JP2002230801A (ja) * | 2001-02-02 | 2002-08-16 | Pioneer Electronic Corp | 光ピックアップ装置 |
JP2002298416A (ja) * | 2001-03-30 | 2002-10-11 | Asahi Glass Co Ltd | 光ヘッド装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4478480A (en) * | 1982-12-27 | 1984-10-23 | Benson, Inc. | Holographic scanner spinner wobble correction system |
JP2001273650A (ja) | 2000-03-29 | 2001-10-05 | Optware:Kk | 光ピックアップ装置 |
US6661769B2 (en) * | 2000-09-29 | 2003-12-09 | Matsushita Electric Industrial Co., Ltd. | Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus |
KR100448285B1 (ko) | 2002-04-17 | 2004-09-10 | 주식회사 대우일렉트로닉스 | 홀로그래픽 디지털 저장 시스템의 흔들림 측정 장치 |
-
2003
- 2003-12-15 KR KR10-2003-0091068A patent/KR100536721B1/ko not_active IP Right Cessation
-
2004
- 2004-03-30 JP JP2004098390A patent/JP2005182975A/ja active Pending
- 2004-05-18 US US10/847,312 patent/US7027196B2/en not_active Expired - Fee Related
- 2004-05-19 EP EP04011928A patent/EP1544854B1/en not_active Expired - Fee Related
- 2004-05-19 DE DE602004016720T patent/DE602004016720D1/de not_active Expired - Lifetime
- 2004-06-02 CN CNB2004100473707A patent/CN1296916C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000076678A (ja) * | 1998-08-27 | 2000-03-14 | Pioneer Electronic Corp | 光ピックアップ装置 |
JP2001307358A (ja) * | 2000-04-20 | 2001-11-02 | Nec Corp | 光ヘッド装置および光学式情報記録再生装置 |
JP2002216368A (ja) * | 2001-01-15 | 2002-08-02 | Sony Corp | 光ピックアップ装置及び光学ディスク装置 |
JP2002230801A (ja) * | 2001-02-02 | 2002-08-16 | Pioneer Electronic Corp | 光ピックアップ装置 |
JP2002298416A (ja) * | 2001-03-30 | 2002-10-11 | Asahi Glass Co Ltd | 光ヘッド装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1544854A1 (en) | 2005-06-22 |
CN1629949A (zh) | 2005-06-22 |
KR20050059448A (ko) | 2005-06-21 |
EP1544854B1 (en) | 2008-09-24 |
US20050128541A1 (en) | 2005-06-16 |
JP2005182975A (ja) | 2005-07-07 |
US7027196B2 (en) | 2006-04-11 |
KR100536721B1 (ko) | 2005-12-14 |
DE602004016720D1 (de) | 2008-11-06 |
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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: FENGYE VISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAEWOO ELECTRONICS CO., LTD. Effective date: 20130425 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130425 Address after: Ontario Patentee after: Fengye Vision Technology Co., Ltd. Address before: Seoul, South Kerean Patentee before: Daewoo Electronics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20150602 |
|
EXPY | Termination of patent right or utility model |