SG66291A1 - Tracking regulation circuit including apparatus for disabling coarse drive signals - Google Patents
Tracking regulation circuit including apparatus for disabling coarse drive signalsInfo
- Publication number
- SG66291A1 SG66291A1 SG1996008112A SG1996008112A SG66291A1 SG 66291 A1 SG66291 A1 SG 66291A1 SG 1996008112 A SG1996008112 A SG 1996008112A SG 1996008112 A SG1996008112 A SG 1996008112A SG 66291 A1 SG66291 A1 SG 66291A1
- Authority
- SG
- Singapore
- Prior art keywords
- disabling
- circuit including
- drive signals
- regulation circuit
- including apparatus
- 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
- G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4102801A DE4102801A1 (de) | 1991-01-31 | 1991-01-31 | Spurregelkreis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG66291A1 true SG66291A1 (en) | 1999-07-20 |
Family
ID=6424041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG1996008112A SG66291A1 (en) | 1991-01-31 | 1992-01-28 | Tracking regulation circuit including apparatus for disabling coarse drive signals |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0569412B1 (fr) |
| JP (1) | JPH06504645A (fr) |
| KR (1) | KR100247654B1 (fr) |
| DE (2) | DE4102801A1 (fr) |
| ES (1) | ES2137943T3 (fr) |
| SG (1) | SG66291A1 (fr) |
| WO (2) | WO1991018393A1 (fr) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5758249A (en) * | 1980-09-24 | 1982-04-07 | Olympus Optical Co Ltd | Optical system recording and/or reproducing device |
| JPS5862868A (ja) * | 1981-10-09 | 1983-04-14 | Pioneer Video Corp | 情報再生装置における高速アドレス情報探索方式 |
| JPS58166567A (ja) * | 1982-03-26 | 1983-10-01 | Matsushita Electric Ind Co Ltd | 情報トラックの検索装置 |
| JPS59152546A (ja) * | 1983-02-21 | 1984-08-31 | Toshiba Corp | 光学式デイスクレコ−ド再生装置 |
| JPS60121533A (ja) * | 1983-12-02 | 1985-06-29 | Matsushita Electric Ind Co Ltd | 光学的情報記録再生装置 |
| JP2644720B2 (ja) * | 1985-02-25 | 1997-08-25 | 株式会社日立製作所 | トラック引込み方法 |
| JPS61214230A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光デイスク装置 |
| JPS61260427A (ja) * | 1985-05-14 | 1986-11-18 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
| JP2568525B2 (ja) * | 1986-12-10 | 1997-01-08 | 松下通信工業株式会社 | 光ピツクアツプの暴走阻止装置 |
| JP2557896B2 (ja) * | 1987-07-31 | 1996-11-27 | 株式会社東芝 | ディスク装置 |
| JPS6437729A (en) * | 1987-08-04 | 1989-02-08 | Canon Kk | Optical information recording and reproducing device |
| JP2563383B2 (ja) * | 1987-10-23 | 1996-12-11 | 松下電器産業株式会社 | 記録再生装置 |
| JP2656812B2 (ja) * | 1988-10-12 | 1997-09-24 | キヤノン株式会社 | トラッキング制御装置 |
-
1991
- 1991-01-31 DE DE4102801A patent/DE4102801A1/de not_active Withdrawn
- 1991-05-14 WO PCT/EP1991/000892 patent/WO1991018393A1/fr unknown
-
1992
- 1992-01-28 WO PCT/EP1992/000170 patent/WO1992014240A1/fr active IP Right Grant
- 1992-01-28 ES ES92903403T patent/ES2137943T3/es not_active Expired - Lifetime
- 1992-01-28 JP JP4503247A patent/JPH06504645A/ja active Pending
- 1992-01-28 KR KR1019930702254A patent/KR100247654B1/ko not_active IP Right Cessation
- 1992-01-28 DE DE59209753T patent/DE59209753D1/de not_active Expired - Lifetime
- 1992-01-28 SG SG1996008112A patent/SG66291A1/en unknown
- 1992-01-28 EP EP92903403A patent/EP0569412B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0569412B1 (fr) | 1999-09-29 |
| KR930703670A (ko) | 1993-11-30 |
| ES2137943T3 (es) | 2000-01-01 |
| DE4102801A1 (de) | 1992-08-06 |
| JPH06504645A (ja) | 1994-05-26 |
| WO1992014240A1 (fr) | 1992-08-20 |
| KR100247654B1 (ko) | 2000-03-15 |
| WO1991018393A1 (fr) | 1991-11-28 |
| DE59209753D1 (en) | 1999-11-04 |
| EP0569412A1 (fr) | 1993-11-18 |
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