DE69313878T2 - Gerät für optische Platten - Google Patents
Gerät für optische PlattenInfo
- Publication number
- DE69313878T2 DE69313878T2 DE69313878T DE69313878T DE69313878T2 DE 69313878 T2 DE69313878 T2 DE 69313878T2 DE 69313878 T DE69313878 T DE 69313878T DE 69313878 T DE69313878 T DE 69313878T DE 69313878 T2 DE69313878 T2 DE 69313878T2
- Authority
- DE
- Germany
- Prior art keywords
- optical disk
- disk device
- optical
- disk
- 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
- G11B7/095—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
- G11B7/0901—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
- 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
-
- 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
- G11B7/0925—Electromechanical actuators for lens positioning
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4000612A JP2795571B2 (ja) | 1992-01-07 | 1992-01-07 | 光ディスク装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69313878D1 DE69313878D1 (de) | 1997-10-23 |
| DE69313878T2 true DE69313878T2 (de) | 1998-03-26 |
Family
ID=11478559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69313878T Expired - Fee Related DE69313878T2 (de) | 1992-01-07 | 1993-01-07 | Gerät für optische Platten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5383174A (de) |
| EP (1) | EP0551194B1 (de) |
| JP (1) | JP2795571B2 (de) |
| KR (1) | KR960007231B1 (de) |
| CA (1) | CA2085756C (de) |
| DE (1) | DE69313878T2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3107935B2 (ja) * | 1992-12-22 | 2000-11-13 | シャープ株式会社 | 光記録装置および光再生装置並びに光記録再生装置 |
| KR0160628B1 (ko) * | 1993-06-18 | 1999-02-01 | 김광호 | 레이저 다이오드 구동 방법 및 장치 |
| FR2770674B1 (fr) * | 1997-10-31 | 2000-09-29 | Asahi Optical Co Ltd | Systeme optique pour unite de disque optique |
| DE102016200505A1 (de) * | 2016-01-16 | 2017-07-20 | Robert Bosch Gmbh | Mikrospiegelvorrichtung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8005633A (nl) * | 1980-10-13 | 1982-05-03 | Philips Nv | Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur. |
| JPS57150144A (en) * | 1981-03-10 | 1982-09-16 | Matsushita Electric Ind Co Ltd | Optical recorder and reproducer |
| US4556964A (en) * | 1981-12-21 | 1985-12-03 | Burroughs Corporation | Technique for monitoring galvo angle |
| FR2523351B1 (fr) * | 1982-03-09 | 1989-07-13 | Thomson Csf | Tete optique dans un dispositif d'enregistrement-lecture d'un support d'information |
| US4544241A (en) * | 1982-09-30 | 1985-10-01 | Burroughs Corporation | Mirror position sensor and associated motor for improved track selection in optical data disk system |
| JPS5965946A (ja) * | 1982-10-06 | 1984-04-14 | Hitachi Ltd | ビデオデイスクプレ−ヤ |
| JPH02161625A (ja) * | 1988-12-14 | 1990-06-21 | Olympus Optical Co Ltd | アクチュエータの保護装置 |
| JPH0334134A (ja) * | 1989-06-30 | 1991-02-14 | Ricoh Co Ltd | 光情報記録再生装置の回動ミラー装置 |
-
1992
- 1992-01-07 JP JP4000612A patent/JP2795571B2/ja not_active Expired - Fee Related
- 1992-12-18 CA CA002085756A patent/CA2085756C/en not_active Expired - Fee Related
- 1992-12-30 US US07/998,736 patent/US5383174A/en not_active Expired - Lifetime
-
1993
- 1993-01-06 KR KR1019930000067A patent/KR960007231B1/ko not_active IP Right Cessation
- 1993-01-07 DE DE69313878T patent/DE69313878T2/de not_active Expired - Fee Related
- 1993-01-07 EP EP93300091A patent/EP0551194B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR960007231B1 (ko) | 1996-05-29 |
| JP2795571B2 (ja) | 1998-09-10 |
| EP0551194A2 (de) | 1993-07-14 |
| DE69313878D1 (de) | 1997-10-23 |
| JPH05182224A (ja) | 1993-07-23 |
| US5383174A (en) | 1995-01-17 |
| CA2085756A1 (en) | 1993-07-08 |
| EP0551194B1 (de) | 1997-09-17 |
| KR930016960A (ko) | 1993-08-30 |
| CA2085756C (en) | 1996-11-05 |
| EP0551194A3 (en) | 1993-09-08 |
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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 |