FR2520542B1 - Systeme de commande d'alignement pour des disques sans sillon - Google Patents
Systeme de commande d'alignement pour des disques sans sillonInfo
- Publication number
- FR2520542B1 FR2520542B1 FR838300919A FR8300919A FR2520542B1 FR 2520542 B1 FR2520542 B1 FR 2520542B1 FR 838300919 A FR838300919 A FR 838300919A FR 8300919 A FR8300919 A FR 8300919A FR 2520542 B1 FR2520542 B1 FR 2520542B1
- Authority
- FR
- France
- Prior art keywords
- crackless
- discs
- control system
- alignment control
- alignment
- 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
-
- 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
-
- 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
- G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57008304A JPS58125242A (ja) | 1982-01-22 | 1982-01-22 | 光学的情報信号再生装置のトラツキング誤差検出方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2520542A1 FR2520542A1 (fr) | 1983-07-29 |
| FR2520542B1 true FR2520542B1 (fr) | 1990-01-12 |
Family
ID=11689407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR838300919A Expired - Fee Related FR2520542B1 (fr) | 1982-01-22 | 1983-01-21 | Systeme de commande d'alignement pour des disques sans sillon |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4589103A (fr) |
| JP (1) | JPS58125242A (fr) |
| KR (1) | KR840003512A (fr) |
| DE (1) | DE3301787C2 (fr) |
| FR (1) | FR2520542B1 (fr) |
| GB (1) | GB2113873B (fr) |
| NL (1) | NL8300225A (fr) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58211370A (ja) * | 1982-06-01 | 1983-12-08 | Pioneer Electronic Corp | 情報読取装置におけるトラツキングサ−ボ信号発生装置 |
| JPS5919250A (ja) * | 1982-07-21 | 1984-01-31 | Hitachi Ltd | 情報の記録再生装置 |
| AU575332B2 (en) * | 1983-07-29 | 1988-07-28 | Sony Corporation | Optical disk pick-up |
| JPS60143448A (ja) * | 1983-12-29 | 1985-07-29 | Sony Corp | スキユ−エラ−検出回路 |
| JPS60120522U (ja) * | 1984-01-23 | 1985-08-14 | パイオニア株式会社 | 光学式記録情報読取装置 |
| JPS60140228U (ja) * | 1984-02-27 | 1985-09-17 | パイオニア株式会社 | 光学式情報読取装置 |
| JPS60195745A (ja) * | 1984-03-16 | 1985-10-04 | Pioneer Electronic Corp | トラツキングサ−ボ信号生成方式 |
| US4742506A (en) * | 1984-07-12 | 1988-05-03 | Sony Corporation | Tracking error detecting apparatus for an optical head with skew error reduction by using an inclined header portion |
| DE3618720A1 (de) * | 1985-06-05 | 1986-12-11 | Hitachi, Ltd., Tokio/Tokyo | Verfahren und vorrichtung zur spurnachfuehrung bei bildplatten |
| CA1270559A (fr) * | 1985-10-30 | 1990-06-19 | Shigeo Terashima | Circuit de centrage pour appareil d'enregistrement et de lecture optique |
| JPS62271237A (ja) * | 1986-05-20 | 1987-11-25 | Matsushita Electric Ind Co Ltd | 光学的再生方法 |
| US4998234A (en) * | 1987-03-31 | 1991-03-05 | Rees Theodore D | Logarithmic servo error detection for optical disk drive |
| DE3732941A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Geraet zur wiedergabe von daten |
| DE68923833T2 (de) * | 1988-06-20 | 1996-06-13 | Mitsubishi Electric Corp | Optischer Kopf mit Kippkorrekturservomechanismus. |
| JPH02247831A (ja) * | 1989-03-20 | 1990-10-03 | Pioneer Electron Corp | トラッキングサーボループのループゲイン設定方法 |
| JPH0423234A (ja) * | 1990-05-18 | 1992-01-27 | Sony Corp | 光学装置のトラッキング誤差信号生成装置 |
| JP2998807B2 (ja) * | 1990-07-19 | 2000-01-17 | パイオニア株式会社 | 光学式ディスクプレーヤ |
| JPH04106733A (ja) * | 1990-08-27 | 1992-04-08 | Matsushita Electric Ind Co Ltd | 位相比較装置と焦点誤差検出装置 |
| JP2630151B2 (ja) * | 1992-01-30 | 1997-07-16 | 日本ビクター株式会社 | 光ディスク装置 |
| US5732054A (en) * | 1995-03-28 | 1998-03-24 | Eastman Kodak Company | Combined tracking position and tilt sensor for optical recording actuator |
| US5978329A (en) * | 1995-06-07 | 1999-11-02 | Discovision Associates | Technique for closed loop servo operation in optical disc tracking control |
| DE69612819T2 (de) * | 1995-12-06 | 2002-01-17 | Discovision Associates, Irvine | Gerät und Verfahren zum Regeln der Fokussierung |
| US5689485A (en) | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
| KR100618962B1 (ko) * | 1998-08-29 | 2006-09-01 | 삼성전자주식회사 | 서보 에러 검출 방법, 이에 적합한 장치, 트랙킹 에러 검출 방법, 그리고 틸트 에러 검출방법 |
| JP3690177B2 (ja) * | 1999-02-22 | 2005-08-31 | 三菱電機株式会社 | ディスク装置 |
| JP4004916B2 (ja) * | 2002-10-21 | 2007-11-07 | パイオニア株式会社 | チルト角度検出装置及び方法 |
| DE102010009104A1 (de) * | 2010-02-24 | 2011-08-25 | Epcos Ag, 81669 | Detektorschaltung |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2212070A6 (fr) * | 1972-08-25 | 1974-07-19 | Thomson Csf | |
| NL182258C (nl) * | 1976-01-28 | 1988-02-01 | Philips Nv | Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur. |
| NL7810463A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur. |
| US4408314A (en) * | 1980-02-29 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Record/playback track tracking servo |
| JPS5774837A (en) * | 1980-10-25 | 1982-05-11 | Olympus Optical Co Ltd | Signal detection system of optical information reproducing device |
| US4365324A (en) * | 1980-11-19 | 1982-12-21 | Rca Corporation | Eccentricity control device |
| JPS57164448A (en) * | 1981-03-31 | 1982-10-09 | Matsushita Electric Ind Co Ltd | Position detecting device |
| JPS57164447A (en) * | 1981-03-31 | 1982-10-09 | Matsushita Electric Ind Co Ltd | Position detecting device |
| JPS5814332A (ja) * | 1981-07-16 | 1983-01-27 | Mitsubishi Electric Corp | 光学式情報再生装置 |
| JPS5919250A (ja) * | 1982-07-21 | 1984-01-31 | Hitachi Ltd | 情報の記録再生装置 |
-
1982
- 1982-01-22 JP JP57008304A patent/JPS58125242A/ja active Granted
-
1983
- 1983-01-20 DE DE3301787A patent/DE3301787C2/de not_active Expired
- 1983-01-21 NL NL8300225A patent/NL8300225A/nl not_active Application Discontinuation
- 1983-01-21 FR FR838300919A patent/FR2520542B1/fr not_active Expired - Fee Related
- 1983-01-21 GB GB08301615A patent/GB2113873B/en not_active Expired
- 1983-01-22 KR KR1019830000268A patent/KR840003512A/ko not_active Application Discontinuation
- 1983-01-24 US US06/460,561 patent/US4589103A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58125242A (ja) | 1983-07-26 |
| NL8300225A (nl) | 1983-08-16 |
| DE3301787A1 (de) | 1983-08-04 |
| KR840003512A (ko) | 1984-09-08 |
| US4589103A (en) | 1986-05-13 |
| DE3301787C2 (de) | 1986-07-03 |
| GB2113873B (en) | 1985-09-18 |
| JPS6250894B2 (fr) | 1987-10-27 |
| GB8301615D0 (en) | 1983-02-23 |
| GB2113873A (en) | 1983-08-10 |
| FR2520542A1 (fr) | 1983-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |