ATE346358T1 - Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums - Google Patents
Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediumsInfo
- Publication number
- ATE346358T1 ATE346358T1 AT04732953T AT04732953T ATE346358T1 AT E346358 T1 ATE346358 T1 AT E346358T1 AT 04732953 T AT04732953 T AT 04732953T AT 04732953 T AT04732953 T AT 04732953T AT E346358 T1 ATE346358 T1 AT E346358T1
- Authority
- AT
- Austria
- Prior art keywords
- position signal
- lens position
- weights
- reading
- writing
- 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
- G11B7/09—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
- G11B7/095—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
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/0945—Methods for initialising servos, start-up sequences
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10322425 | 2003-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE346358T1 true ATE346358T1 (de) | 2006-12-15 |
Family
ID=33440950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04732953T ATE346358T1 (de) | 2003-05-16 | 2004-05-14 | Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7499382B2 (de) |
| EP (1) | EP1625577B1 (de) |
| JP (1) | JP2006528400A (de) |
| KR (1) | KR20060014053A (de) |
| CN (1) | CN100576325C (de) |
| AT (1) | ATE346358T1 (de) |
| DE (1) | DE602004003368T2 (de) |
| WO (1) | WO2004102545A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1625575B1 (de) * | 2003-05-16 | 2008-04-30 | Thomson Licensing | Gerät zum lesen und/oder beschreiben optischer aufzeichnungsträger |
| JP4806643B2 (ja) * | 2007-03-09 | 2011-11-02 | 株式会社日立メディアエレクトロニクス | 光ピックアップ及び光ディスク装置 |
| JP2011100500A (ja) * | 2009-11-04 | 2011-05-19 | Hitachi Consumer Electronics Co Ltd | 光ディスク装置およびトラッキング制御方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270033A (ja) | 1986-05-19 | 1987-11-24 | Yamaha Corp | 光ピツクアツプ制御装置 |
| DE4323067A1 (de) | 1993-07-10 | 1995-01-12 | Thomson Brandt Gmbh | G-Faktor-Abgleich |
| JP3633069B2 (ja) * | 1995-12-15 | 2005-03-30 | 富士通株式会社 | 光ディスク装置 |
| KR0176888B1 (ko) | 1996-01-24 | 1999-04-15 | 구자홍 | 광디스크 기록재생기의 서보 제어 장치 |
| JPH10112043A (ja) | 1996-10-04 | 1998-04-28 | Sony Corp | 再生装置 |
| KR100312615B1 (ko) | 1999-01-23 | 2001-11-03 | 구자홍 | 광디스크 재생/기록기의 서보제어방법 및 장치 |
| KR100359825B1 (ko) * | 2000-08-16 | 2002-11-07 | 엘지전자 주식회사 | 광 기록매체의 서보 방법 |
| KR20020026679A (ko) | 2000-10-02 | 2002-04-12 | 구자홍 | 광 기록매체의 재생 제어 방법 및 장치 |
| DE10062078A1 (de) | 2000-12-13 | 2002-06-20 | Thomson Brandt Gmbh | Verfahren zum Erzeugen eines Linsenpositionssignals sowie entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers |
| KR100403622B1 (ko) * | 2001-04-12 | 2003-10-30 | 삼성전자주식회사 | 광픽업장치 및 광스폿의 최적 포커싱 방법 |
| DE10140325A1 (de) * | 2001-08-16 | 2003-02-27 | Thomson Brandt Gmbh | Verfahren zur Verminderung des Rauschens in einem Wobbelsignal |
-
2004
- 2004-05-14 CN CN200480013419A patent/CN100576325C/zh not_active Expired - Fee Related
- 2004-05-14 AT AT04732953T patent/ATE346358T1/de not_active IP Right Cessation
- 2004-05-14 KR KR1020057021816A patent/KR20060014053A/ko not_active Application Discontinuation
- 2004-05-14 WO PCT/EP2004/005196 patent/WO2004102545A1/en active IP Right Grant
- 2004-05-14 DE DE602004003368T patent/DE602004003368T2/de not_active Expired - Fee Related
- 2004-05-14 US US10/556,767 patent/US7499382B2/en not_active Expired - Fee Related
- 2004-05-14 JP JP2006529822A patent/JP2006528400A/ja not_active Abandoned
- 2004-05-14 EP EP04732953A patent/EP1625577B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1625577B1 (de) | 2006-11-22 |
| CN100576325C (zh) | 2009-12-30 |
| WO2004102545A1 (en) | 2004-11-25 |
| KR20060014053A (ko) | 2006-02-14 |
| US20070104048A1 (en) | 2007-05-10 |
| CN1809880A (zh) | 2006-07-26 |
| DE602004003368D1 (de) | 2007-01-04 |
| DE602004003368T2 (de) | 2007-09-13 |
| JP2006528400A (ja) | 2006-12-14 |
| EP1625577A1 (de) | 2006-02-15 |
| US7499382B2 (en) | 2009-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |