FR2490385B1 - Appareil d'asservissement de trace pour un systeme de reproduction d'informations optiques - Google Patents
Appareil d'asservissement de trace pour un systeme de reproduction d'informations optiquesInfo
- Publication number
- FR2490385B1 FR2490385B1 FR8117269A FR8117269A FR2490385B1 FR 2490385 B1 FR2490385 B1 FR 2490385B1 FR 8117269 A FR8117269 A FR 8117269A FR 8117269 A FR8117269 A FR 8117269A FR 2490385 B1 FR2490385 B1 FR 2490385B1
- Authority
- FR
- France
- Prior art keywords
- optical information
- reproduction system
- information reproduction
- servo apparatus
- trace
- 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
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
- 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 |
---|---|---|---|
JP55126877A JPS5753830A (en) | 1980-09-12 | 1980-09-12 | Tracking servo device for optical information signal reproducer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2490385A1 FR2490385A1 (fr) | 1982-03-19 |
FR2490385B1 true FR2490385B1 (fr) | 1985-12-13 |
Family
ID=14946051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8117269A Expired FR2490385B1 (fr) | 1980-09-12 | 1981-09-11 | Appareil d'asservissement de trace pour un systeme de reproduction d'informations optiques |
Country Status (8)
Country | Link |
---|---|
US (1) | US4476555A (fr) |
JP (1) | JPS5753830A (fr) |
AU (1) | AU545840B2 (fr) |
CA (1) | CA1154163A (fr) |
DE (1) | DE3136090A1 (fr) |
FR (1) | FR2490385B1 (fr) |
GB (1) | GB2085192B (fr) |
NL (1) | NL8104239A (fr) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS589226A (ja) * | 1981-07-07 | 1983-01-19 | Toshiba Corp | 光ディスク装置 |
JPH0666107B2 (ja) * | 1982-02-26 | 1994-08-24 | 松下電器産業株式会社 | 再生装置 |
JPH0752564B2 (ja) * | 1982-04-23 | 1995-06-05 | 松下電器産業株式会社 | 再生装置 |
JPS59140642A (ja) * | 1983-01-31 | 1984-08-13 | Canon Inc | トラツキングエラ−信号検出装置 |
AU575332B2 (en) * | 1983-07-29 | 1988-07-28 | Sony Corporation | Optical disk pick-up |
JPS6066341A (ja) * | 1983-09-20 | 1985-04-16 | Olympus Optical Co Ltd | 情報記録再生装置 |
NL8303560A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
DE3339736C1 (de) * | 1983-11-03 | 1985-06-05 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung |
JPH0690804B2 (ja) * | 1984-01-20 | 1994-11-14 | 株式会社日立製作所 | 光学的情報記録再生装置 |
GB2158611A (en) * | 1984-05-07 | 1985-11-13 | Rca Corp | Servo error reduction apparatus for disc record playback system |
JPS60256927A (ja) * | 1984-06-01 | 1985-12-18 | Nippon Gakki Seizo Kk | 光学式デイスク再生装置の読取り制御装置 |
US4755977A (en) * | 1984-07-05 | 1988-07-05 | Storage Technology Partners Ii | Runout compensation for a coarse tracking servo system in an optical disk storage unit |
JP2636833B2 (ja) * | 1985-01-31 | 1997-07-30 | ソニー株式会社 | 光ディスク装置 |
US4879708A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using wobbled pits |
CA1257391A (fr) * | 1985-07-30 | 1989-07-11 | Kurt W. Getreuer | Systemes de localisation et de recherche de pistes pour disques optiques et formats de piste (regions d'asservissement) |
US4879707A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using discontinuities |
US4959823A (en) * | 1985-07-30 | 1990-09-25 | Laser Magnetic Storage International Company | Tracking and seeking system for use with an optical record carrier having a wobbled track format |
US4907214A (en) * | 1985-12-18 | 1990-03-06 | Kabushiki Kaisha Toshiba | Eccentricity correction apparatus for an optical disk device |
US5161243A (en) * | 1986-01-21 | 1992-11-03 | Matsushita Electric Industrial Co., Ltd. | Tracking system for an optical recording/reproducing apparatus having a plurality of light spots |
DE3632465A1 (de) * | 1986-09-24 | 1988-03-31 | Siemens Ag | Verfahren und einrichtung zum aufzeichnen einer kreisrunden spur auf einer datenspeicherplatte |
US5258968A (en) * | 1986-12-11 | 1993-11-02 | Pioneer Electronic Corporation | Tracking error signal generating device for preventing offset of the generated tracking error signal |
JPS63239621A (ja) * | 1987-03-27 | 1988-10-05 | Sony Corp | 診断機能付光デイスク記録・再生装置 |
NL8702261A (nl) * | 1987-09-23 | 1989-04-17 | Philips Nv | Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem. |
DE3732899A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Spurregelkreis fuer eine optische abtastvorrichtung |
DE68918714T2 (de) * | 1988-01-19 | 1995-02-16 | Fujitsu Ltd | Spurzugangsregelsystem. |
US5031166A (en) * | 1988-01-25 | 1991-07-09 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor |
US5090001A (en) * | 1988-06-06 | 1992-02-18 | Olympus Optical Co., Ltd. | Information recording/reproducing apparatus |
US4970696A (en) * | 1988-07-13 | 1990-11-13 | Atlantic Richfield Company | Method for conducting three-dimensional subsurface and marine seismic surveys |
US5270988A (en) * | 1988-08-08 | 1993-12-14 | Olympus Optical Co., Ltd. | Optical recording and reproducing apparatus making access by multitrack jump |
JPH0268735A (ja) * | 1988-09-05 | 1990-03-08 | Nippon Telegr & Teleph Corp <Ntt> | 検出装置 |
JPH02148476A (ja) * | 1988-11-30 | 1990-06-07 | Toshiba Corp | サーボ式磁気ディスク装置 |
GB2238630B (en) * | 1989-11-29 | 1993-12-22 | Sundstrand Corp | Control systems |
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 |
DE69421785T2 (de) * | 1993-09-28 | 2000-05-11 | Sony Corp., Tokio/Tokyo | Gerät zum Messen der Exzentrizität einer Scheibe, Verfahren dazu und Aufzeichnungs- und/oder Wiedergabegerät für scheibenförmiges Aufzeichnungsmedium |
TWI242205B (en) * | 2003-07-18 | 2005-10-21 | Via Tech Inc | Method and circuit for generating the tracking error signal using differential phase detection |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH585756A5 (en) * | 1972-06-29 | 1977-03-15 | Ciba Geigy Ag | Substd 7-amino ceph-3-em 4-carboxylic acids - by elimination from the 3-hydroxy or 3-acyloxy cepham analogues |
US4037252A (en) * | 1973-11-10 | 1977-07-19 | U.S. Philips Corporation | Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking |
JPS6011374B2 (ja) * | 1975-02-05 | 1985-03-25 | 株式会社日立製作所 | 情報再生方法及びその装置 |
FR2304981A1 (fr) * | 1975-03-21 | 1976-10-15 | Thomson Brandt | Dispositif d'enregistrement optique d'informations |
GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
GB1549440A (en) * | 1976-07-06 | 1979-08-08 | Data Recording Instr Co | Magnetic storage devices |
US4205338A (en) * | 1977-11-03 | 1980-05-27 | Laser File Inc. | Disc recording tracking system |
JPS5465504A (en) * | 1977-11-04 | 1979-05-26 | Hitachi Ltd | Recording-reproducing system of information |
JPS6040093B2 (ja) * | 1978-09-09 | 1985-09-09 | パイオニアビデオ株式会社 | トラッキングサ−ボ引込装置 |
JPS6030016B2 (ja) * | 1979-09-25 | 1985-07-13 | 日本ビクター株式会社 | 円盤状記録媒体記録及び/又は再生装置のサ−ボ方式 |
-
1980
- 1980-09-12 JP JP55126877A patent/JPS5753830A/ja active Pending
-
1981
- 1981-09-08 AU AU75060/81A patent/AU545840B2/en not_active Ceased
- 1981-09-10 GB GB8127392A patent/GB2085192B/en not_active Expired
- 1981-09-10 CA CA000385567A patent/CA1154163A/fr not_active Expired
- 1981-09-11 DE DE19813136090 patent/DE3136090A1/de active Granted
- 1981-09-11 FR FR8117269A patent/FR2490385B1/fr not_active Expired
- 1981-09-14 NL NL8104239A patent/NL8104239A/nl not_active Application Discontinuation
-
1983
- 1983-09-26 US US06/534,931 patent/US4476555A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3136090C2 (fr) | 1992-03-26 |
US4476555A (en) | 1984-10-09 |
DE3136090A1 (de) | 1982-04-01 |
GB2085192A (en) | 1982-04-21 |
AU545840B2 (en) | 1985-08-01 |
JPS5753830A (en) | 1982-03-31 |
NL8104239A (nl) | 1982-04-01 |
FR2490385A1 (fr) | 1982-03-19 |
GB2085192B (en) | 1984-02-15 |
CA1154163A (fr) | 1983-09-20 |
AU7506081A (en) | 1982-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |