DE69124292D1 - Spurfolgeservogerät - Google Patents
SpurfolgeservogerätInfo
- Publication number
- DE69124292D1 DE69124292D1 DE69124292T DE69124292T DE69124292D1 DE 69124292 D1 DE69124292 D1 DE 69124292D1 DE 69124292 T DE69124292 T DE 69124292T DE 69124292 T DE69124292 T DE 69124292T DE 69124292 D1 DE69124292 D1 DE 69124292D1
- Authority
- DE
- Germany
- Prior art keywords
- tracking servo
- servo
- tracking
- 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
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
- G11B7/0901—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 for track following only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
-
- 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
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking 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
- 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
- G11B7/0953—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 eccentricity of the disc or disc tracks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2168125A JPH0460974A (ja) | 1990-06-26 | 1990-06-26 | トラッキングサーボ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69124292D1 true DE69124292D1 (de) | 1997-03-06 |
DE69124292T2 DE69124292T2 (de) | 1997-07-10 |
Family
ID=15862311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69124292T Expired - Fee Related DE69124292T2 (de) | 1990-06-26 | 1991-04-16 | Spurfolgeservogerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US5621709A (de) |
EP (1) | EP0464986B1 (de) |
JP (1) | JPH0460974A (de) |
DE (1) | DE69124292T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05325210A (ja) * | 1992-05-26 | 1993-12-10 | Pioneer Electron Corp | トラックジャンプ制御装置 |
JP3582851B2 (ja) * | 1994-01-25 | 2004-10-27 | 松下電器産業株式会社 | トラッキング制御装置 |
JP3129629B2 (ja) * | 1995-04-03 | 2001-01-31 | シャープ株式会社 | 光ディスク装置 |
JPH09198674A (ja) * | 1996-01-16 | 1997-07-31 | Toshiba Corp | 信号処理回路及びこれを用いた再生装置 |
JP3552158B2 (ja) | 1999-04-08 | 2004-08-11 | 富士通株式会社 | 記憶装置 |
JP4551597B2 (ja) * | 2000-11-08 | 2010-09-29 | 株式会社ソニー・コンピュータエンタテインメント | 光ディスク装置、その制御方法、およびこの制御方法をコンピュータに実行させるプログラム |
JP4543244B2 (ja) * | 2001-02-20 | 2010-09-15 | 船井電機株式会社 | トラックジャンプ制御装置およびトラックジャンプ方法 |
KR100425465B1 (ko) * | 2001-09-27 | 2004-03-30 | 삼성전자주식회사 | 광 디스크 재생 시스템에서 브레이크 능력을 향상시키는브레이크 신호 발생회로 및 방법 |
EP1475790A1 (de) * | 2003-05-07 | 2004-11-10 | Thomson Licensing S.A. | Spursprung für optische Aufzeichnungsmedien |
EP1475789A1 (de) * | 2003-05-07 | 2004-11-10 | Deutsche Thomson-Brandt Gmbh | Spursprung für optische Aufzeichnungsmedien |
KR100950527B1 (ko) * | 2003-07-15 | 2010-03-30 | 삼성전자주식회사 | 픽업의 위치를 고려한 트랙 점프 장치 및 방법 |
US20090274021A1 (en) * | 2005-03-30 | 2009-11-05 | Kenji Narumi | Optical Information Recording/Reproducing Method and Optical Information Recording/Reproducing Device |
KR100723523B1 (ko) | 2006-01-20 | 2007-05-30 | 삼성전자주식회사 | 포커스 레이어 점프 제어회로 및 상기 회로에서 사용하는포커스 레이어 점프 제어방법 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE309704C (de) * | ||||
JPS57127970A (en) * | 1981-01-30 | 1982-08-09 | Victor Co Of Japan Ltd | Feed pulse generating circuit |
JPS58128055A (ja) * | 1982-01-24 | 1983-07-30 | Sony Corp | デイスクのトラツク・ジヤンプ装置 |
KR870006556A (ko) * | 1985-12-13 | 1987-07-13 | 미쓰다 가쓰시게 | 트랙킹서보 제어장치 |
JPH0679420B2 (ja) * | 1986-06-06 | 1994-10-05 | パイオニア株式会社 | トラツキングサ−ボ装置 |
JPS63171714A (ja) * | 1987-01-07 | 1988-07-15 | Ando Electric Co Ltd | ケ−スの個別送り出し方法 |
JPS63171432A (ja) * | 1987-01-08 | 1988-07-15 | Fujitsu Ltd | マルチトラツクジヤンプ方式 |
JPH073731B2 (ja) * | 1987-04-28 | 1995-01-18 | シャープ株式会社 | 光ディスク装置におけるトラックジャンプ制御方法 |
JPS643826A (en) * | 1987-06-25 | 1989-01-09 | Mitsubishi Electric Corp | Optical disk device |
DE3732916A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Geraet zur wiedergabe von daten |
EP0325434B1 (de) * | 1988-01-19 | 1994-10-12 | Fujitsu Limited | Spurzugangsregelsystem |
JPH01260679A (ja) * | 1988-04-12 | 1989-10-17 | Matsushita Graphic Commun Syst Inc | 光ディスク制御装置 |
JPH01269679A (ja) * | 1988-04-20 | 1989-10-27 | Mazda Motor Corp | 車両の下部車体構造 |
JPH0227529A (ja) * | 1988-07-14 | 1990-01-30 | Yokogawa Electric Corp | トラッキングサーボ装置 |
JPH0782722B2 (ja) * | 1988-09-13 | 1995-09-06 | パイオニア株式会社 | トラッキングサーボ装置 |
JP2546882B2 (ja) * | 1988-09-16 | 1996-10-23 | パイオニア株式会社 | トラッキングサーボ装置 |
-
1990
- 1990-06-26 JP JP2168125A patent/JPH0460974A/ja active Pending
-
1991
- 1991-03-27 US US07/676,002 patent/US5621709A/en not_active Expired - Fee Related
- 1991-04-16 EP EP91303330A patent/EP0464986B1/de not_active Expired - Lifetime
- 1991-04-16 DE DE69124292T patent/DE69124292T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69124292T2 (de) | 1997-07-10 |
JPH0460974A (ja) | 1992-02-26 |
US5621709A (en) | 1997-04-15 |
EP0464986A2 (de) | 1992-01-08 |
EP0464986A3 (en) | 1992-12-23 |
EP0464986B1 (de) | 1997-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |