ATE396478T1 - Luftspalt-servo für die optische aufzeichnung - Google Patents
Luftspalt-servo für die optische aufzeichnungInfo
- Publication number
- ATE396478T1 ATE396478T1 AT05718639T AT05718639T ATE396478T1 AT E396478 T1 ATE396478 T1 AT E396478T1 AT 05718639 T AT05718639 T AT 05718639T AT 05718639 T AT05718639 T AT 05718639T AT E396478 T1 ATE396478 T1 AT E396478T1
- Authority
- AT
- Austria
- Prior art keywords
- lens
- air gap
- near field
- approach
- optical recording
- 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
- G11B7/085—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
- G11B7/085—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
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
-
- 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
- G11B7/12—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
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04101585 | 2004-04-16 | ||
EP04104091 | 2004-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE396478T1 true ATE396478T1 (de) | 2008-06-15 |
Family
ID=34963007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05718639T ATE396478T1 (de) | 2004-04-16 | 2005-04-06 | Luftspalt-servo für die optische aufzeichnung |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080267036A1 (de) |
EP (1) | EP1741097B1 (de) |
JP (1) | JP2007533061A (de) |
KR (1) | KR20070012671A (de) |
AT (1) | ATE396478T1 (de) |
DE (1) | DE602005007007D1 (de) |
TW (1) | TW200539161A (de) |
WO (1) | WO2005101391A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE457515T1 (de) * | 2005-12-06 | 2010-02-15 | Koninkl Philips Electronics Nv | Luftspalt-servo für optische aufzeichnung |
KR20090005620A (ko) * | 2007-07-09 | 2009-01-14 | 삼성전자주식회사 | 근접장 광 디스크 장치 및 포커스 풀인 방법 |
KR101346772B1 (ko) * | 2007-09-05 | 2013-12-31 | 연세대학교 산학협력단 | 광 디스크 장치 및 그 구동방법 |
KR20090024967A (ko) | 2007-09-05 | 2009-03-10 | 삼성전자주식회사 | 광 디스크 장치 및 그 구동방법 |
JP2009158007A (ja) * | 2007-12-26 | 2009-07-16 | Sony Corp | 光学ピックアップ装置、光記録再生装置及びギャップ制御方法 |
KR100958588B1 (ko) * | 2008-05-22 | 2010-05-18 | 삼성전자주식회사 | 근접장 광디스크 구동기에서 갭 풀인 방법 및 그와 같은기능을 갖는 광디스크 구동 장치 |
JP2010135029A (ja) * | 2008-12-05 | 2010-06-17 | Sony Corp | 光ディスク装置及び光ディスク駆動制御方法 |
CN113296422A (zh) * | 2021-04-25 | 2021-08-24 | 上海航天控制技术研究所 | 一种运载火箭半实物仿真试验伺服系统动态特性测试方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9001954D0 (en) * | 1990-01-29 | 1990-03-28 | Smiths Industries Plc | Radar apparatus |
US5456341A (en) * | 1993-04-23 | 1995-10-10 | Moog Inc. | Method and apparatus for actively adjusting and controlling a resonant mass-spring system |
US5696647A (en) * | 1994-03-28 | 1997-12-09 | Seagate Technology, Inc. | Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit |
JP3833448B2 (ja) * | 2000-07-05 | 2006-10-11 | 株式会社リコー | 光ピックアップ方法および装置および光情報処理装置 |
JP4049098B2 (ja) * | 2001-08-31 | 2008-02-20 | ソニー株式会社 | 光学ピックアップ装置、記録再生装置、ギャップ検出方法及び制御方法 |
JP4228666B2 (ja) * | 2002-11-25 | 2009-02-25 | ソニー株式会社 | 光学ピックアップ装置、記録再生装置及びギャップ検出方法 |
-
2005
- 2005-04-06 JP JP2007507885A patent/JP2007533061A/ja not_active Withdrawn
- 2005-04-06 AT AT05718639T patent/ATE396478T1/de not_active IP Right Cessation
- 2005-04-06 DE DE602005007007T patent/DE602005007007D1/de not_active Expired - Fee Related
- 2005-04-06 US US10/599,862 patent/US20080267036A1/en not_active Abandoned
- 2005-04-06 KR KR1020067021267A patent/KR20070012671A/ko not_active Application Discontinuation
- 2005-04-06 EP EP05718639A patent/EP1741097B1/de not_active Not-in-force
- 2005-04-06 WO PCT/IB2005/051121 patent/WO2005101391A1/en active IP Right Grant
- 2005-04-13 TW TW094111677A patent/TW200539161A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2005101391A1 (en) | 2005-10-27 |
JP2007533061A (ja) | 2007-11-15 |
US20080267036A1 (en) | 2008-10-30 |
TW200539161A (en) | 2005-12-01 |
EP1741097A1 (de) | 2007-01-10 |
EP1741097B1 (de) | 2008-05-21 |
DE602005007007D1 (de) | 2008-07-03 |
KR20070012671A (ko) | 2007-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |