DE3878337D1 - Optisches informationsverarbeitungsgeraet, welches mit mitteln zum halten in einer vorgesehenen position eines optischen systems versehen ist, wenn abnormalitaeten bei der spurfuehrungs- oder fokussierungssteuerung auftreten. - Google Patents
Optisches informationsverarbeitungsgeraet, welches mit mitteln zum halten in einer vorgesehenen position eines optischen systems versehen ist, wenn abnormalitaeten bei der spurfuehrungs- oder fokussierungssteuerung auftreten.Info
- Publication number
- DE3878337D1 DE3878337D1 DE8888306985T DE3878337T DE3878337D1 DE 3878337 D1 DE3878337 D1 DE 3878337D1 DE 8888306985 T DE8888306985 T DE 8888306985T DE 3878337 T DE3878337 T DE 3878337T DE 3878337 D1 DE3878337 D1 DE 3878337D1
- Authority
- DE
- Germany
- Prior art keywords
- tracking
- hold
- information processing
- processing device
- focusing control
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193664A JPS6437729A (en) | 1987-08-04 | 1987-08-04 | Optical information recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3878337D1 true DE3878337D1 (de) | 1993-03-25 |
DE3878337T2 DE3878337T2 (de) | 1993-08-05 |
Family
ID=16311719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888306985T Expired - Fee Related DE3878337T2 (de) | 1987-08-04 | 1988-07-28 | Optisches informationsverarbeitungsgeraet, welches mit mitteln zum halten in einer vorgesehenen position eines optischen systems versehen ist, wenn abnormalitaeten bei der spurfuehrungs- oder fokussierungssteuerung auftreten. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4982394A (de) |
EP (1) | EP0302666B1 (de) |
JP (1) | JPS6437729A (de) |
CA (1) | CA1314983C (de) |
DE (1) | DE3878337T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5287339A (en) * | 1988-02-23 | 1994-02-15 | Canon Kabushiki Kaisha | Optical information processing apparatus for holding a lens at a predetermined position along a tracking path at pulling-in of focusing control |
JP2693475B2 (ja) * | 1988-03-31 | 1997-12-24 | キヤノン株式会社 | 光学的情報記録再生装置 |
US5350910A (en) * | 1988-09-30 | 1994-09-27 | Canon Kabushiki Kaisha | Optical card processing apparatus with means for determining a relative position between head and card |
JPH02230515A (ja) * | 1989-03-03 | 1990-09-12 | Sony Corp | 光学式記録再生装置 |
WO1990011599A1 (en) * | 1989-03-17 | 1990-10-04 | Optical Recording Corporation | Optical recording and/or playback system |
JP2683104B2 (ja) * | 1989-06-12 | 1997-11-26 | キヤノン株式会社 | 情報記録再生装置 |
JP2593941B2 (ja) * | 1989-08-19 | 1997-03-26 | 富士通株式会社 | 光ディスク装置のアクチュエータオフセット除去装置 |
JP3011425B2 (ja) * | 1990-02-09 | 2000-02-21 | オリンパス光学工業株式会社 | 光学的情報記録再生装置 |
JPH0426964A (ja) * | 1990-05-21 | 1992-01-30 | Pioneer Electron Corp | サーボ装置 |
DE4102801A1 (de) * | 1991-01-31 | 1992-08-06 | Thomson Brandt Gmbh | Spurregelkreis |
JP3337702B2 (ja) * | 1991-11-14 | 2002-10-21 | キヤノン株式会社 | 光学的情報記録再生装置 |
JPH06111345A (ja) * | 1992-09-29 | 1994-04-22 | Matsushita Electric Ind Co Ltd | 光ヘッド制御装置 |
EP0651387A3 (de) * | 1993-10-27 | 1995-07-19 | Canon Kk | Optisches Informationsaufzeichnungs/-wiedergabegerät. |
US5864521A (en) * | 1995-03-03 | 1999-01-26 | Canon Kabushiki Kaisha | Information reproducing or recording apparatus provided with memory for storing data, and information reproducing or recording method using the same apparatus |
KR20040022009A (ko) * | 2002-09-06 | 2004-03-11 | 삼성전자주식회사 | 광디스크 기록 장치의 기록 제어 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4340950A (en) * | 1979-10-12 | 1982-07-20 | Universal Pioneer Corporation | Video disc player |
US4414655A (en) * | 1981-03-31 | 1983-11-08 | Discovision Associates | Scanning beam control system |
JPS613359A (ja) * | 1984-06-15 | 1986-01-09 | Matsushita Electric Ind Co Ltd | 光学式記録再生装置 |
JPS6122447A (ja) * | 1984-07-10 | 1986-01-31 | Pioneer Electronic Corp | レンズ駆動装置 |
JPS6236745A (ja) * | 1985-08-09 | 1987-02-17 | Olympus Optical Co Ltd | 光学式ピツクアツプ |
JPS6236746A (ja) * | 1985-08-09 | 1987-02-17 | Olympus Optical Co Ltd | 光学式ピツクアツプ |
JPS6246443A (ja) * | 1985-08-23 | 1987-02-28 | Sony Corp | フオ−カス制御装置 |
NL8502635A (nl) * | 1985-09-27 | 1987-04-16 | Philips Nv | Inrichting voor het uitlezen van informatie op een registratiedrager. |
-
1987
- 1987-08-04 JP JP62193664A patent/JPS6437729A/ja active Pending
-
1988
- 1988-07-27 US US07/224,758 patent/US4982394A/en not_active Expired - Lifetime
- 1988-07-28 EP EP88306985A patent/EP0302666B1/de not_active Expired - Lifetime
- 1988-07-28 DE DE8888306985T patent/DE3878337T2/de not_active Expired - Fee Related
- 1988-07-29 CA CA000573475A patent/CA1314983C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0302666B1 (de) | 1993-02-10 |
JPS6437729A (en) | 1989-02-08 |
EP0302666A2 (de) | 1989-02-08 |
CA1314983C (en) | 1993-03-23 |
US4982394A (en) | 1991-01-01 |
EP0302666A3 (en) | 1989-05-31 |
DE3878337T2 (de) | 1993-08-05 |
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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 |