DE3064265D1 - Optical device for access to an information carrier track and optical memory system comprising such a device - Google Patents
Optical device for access to an information carrier track and optical memory system comprising such a deviceInfo
- Publication number
- DE3064265D1 DE3064265D1 DE8080401133T DE3064265T DE3064265D1 DE 3064265 D1 DE3064265 D1 DE 3064265D1 DE 8080401133 T DE8080401133 T DE 8080401133T DE 3064265 T DE3064265 T DE 3064265T DE 3064265 D1 DE3064265 D1 DE 3064265D1
- Authority
- DE
- Germany
- Prior art keywords
- optical
- access
- memory system
- information carrier
- carrier track
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7919973A FR2462758A1 (fr) | 1979-08-03 | 1979-08-03 | Dispositif optique d'acces a une piste portee par un support d'information et systeme de memoire optique comportant un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3064265D1 true DE3064265D1 (en) | 1983-08-25 |
Family
ID=9228612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080401133T Expired DE3064265D1 (en) | 1979-08-03 | 1980-07-31 | Optical device for access to an information carrier track and optical memory system comprising such a device |
Country Status (6)
Country | Link |
---|---|
US (1) | US4344164A (de) |
EP (1) | EP0023868B1 (de) |
JP (2) | JPS5625241A (de) |
CA (1) | CA1149511A (de) |
DE (1) | DE3064265D1 (de) |
FR (1) | FR2462758A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2474221A1 (fr) * | 1980-01-23 | 1981-07-24 | Thomson Csf | Dispositif optique d'enregistrement-lecture de supports d'information et systeme de memoire optique comportant un tel systeme |
FR2483664B1 (fr) * | 1980-05-28 | 1985-06-28 | Thomson Csf | Dispositif optique d'enregistrement-lecture sur un support d'informations et systeme de memoire optique comprenant un tel dispositif |
CA1159150A (en) * | 1980-10-20 | 1983-12-20 | Richard L. Wilkinson | Video recorder-playback machine |
US4488279A (en) * | 1980-10-20 | 1984-12-11 | Discovision Associates | Video recorder-playback machine |
FR2497378B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information |
NL8101932A (nl) * | 1981-04-21 | 1982-11-16 | Philips Nv | Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager. |
JPS57191841A (en) * | 1981-05-20 | 1982-11-25 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
FR2511537B1 (fr) * | 1981-08-14 | 1986-09-05 | Thomson Csf | Dispositif optique de suivi de piste a echantillonnage |
US4432085A (en) * | 1981-10-30 | 1984-02-14 | Rca Corporation | Dual input telescope for multi-beam optical record and playback apparatus |
NL8105579A (nl) * | 1981-12-11 | 1983-07-01 | Philips Nv | Optisch fokusfoutdetektiestelsel. |
US4574371A (en) * | 1982-02-20 | 1986-03-04 | Olympus Optical Company Limited | Apparatus for recording and reproducing information on an optical disc |
FR2523347B1 (fr) * | 1982-03-12 | 1988-11-04 | Thomson Csf | Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support |
US4888759A (en) * | 1982-09-09 | 1989-12-19 | Burroughs Corporation | Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams |
DE3484678D1 (de) * | 1983-11-22 | 1991-07-11 | Toshiba Kawasaki Kk | Optischer kopf. |
US4712887A (en) * | 1985-12-20 | 1987-12-15 | Dazar Corporation | Optical system for fast access optical data storage device |
JPS6371945A (ja) * | 1986-09-13 | 1988-04-01 | Omron Tateisi Electronics Co | 光カ−ド記録再生装置 |
US4951274A (en) * | 1987-01-23 | 1990-08-21 | Nec Corporation | Magneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical element |
US5523995A (en) * | 1994-04-01 | 1996-06-04 | Lichtenberg; Heinz D. | Optical information read/write system with a spread plane beam |
JP4157204B2 (ja) * | 1998-10-19 | 2008-10-01 | セイコーインスツル株式会社 | 情報再生装置、情報記録装置、情報再生方法および情報記録方法 |
AU2002349062A1 (en) * | 2002-11-27 | 2004-06-18 | Nokia Corporation | Read/write device for optical memory and method therefore |
JP2005196842A (ja) * | 2004-01-05 | 2005-07-21 | Funai Electric Co Ltd | 光ピックアップ装置 |
JP3867706B2 (ja) * | 2004-01-05 | 2007-01-10 | 船井電機株式会社 | 光ピックアップ装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1013854A (en) * | 1973-02-20 | 1977-07-12 | John S. Winslow | Videodisc mastering system |
JPS50120358A (de) * | 1974-03-04 | 1975-09-20 | ||
NL7414776A (nl) * | 1974-11-13 | 1976-05-17 | Philips Nv | Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur. |
US3959581A (en) * | 1975-01-29 | 1976-05-25 | Zenith Radio Corporation | Self-compensating focus system for optical video playback device |
DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
DE2630381C2 (de) * | 1975-07-07 | 1983-05-26 | Pioneer Electronic Corp., Tokyo | Optischer Leser |
FR2325953A1 (fr) * | 1975-09-29 | 1977-04-22 | Thomson Brandt | Senseur optique de focalisation et dispositif de focalisation comportant un tel senseur |
GB1576426A (en) * | 1976-03-19 | 1980-10-08 | Rca Corp | Eccentricity compensating system in recording and playbackapparatus |
US4074085A (en) * | 1976-03-31 | 1978-02-14 | Eli S. Jacobs | Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks |
JPS52119952A (en) * | 1976-04-02 | 1977-10-07 | Canon Inc | Signal recorder using acousto/optic light modulator |
DE2634243A1 (de) * | 1976-07-30 | 1978-02-02 | Bosch Gmbh Robert | System zur aufzeichnung und/oder wiedergabe von signalen mittels strahlen |
JPS5951051B2 (ja) * | 1977-02-07 | 1984-12-12 | 三菱電機株式会社 | 情報読取装置 |
JPS53147507A (en) * | 1977-05-27 | 1978-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Focus position controller |
JPS5439103A (en) * | 1977-09-02 | 1979-03-26 | Victor Co Of Japan Ltd | Medium locator for fucus servo |
US4235507A (en) * | 1977-09-16 | 1980-11-25 | Hitachi, Ltd. | Optical system to condense light from a semiconductor laser into a circular spot |
US4179708A (en) * | 1978-02-27 | 1979-12-18 | Rca Corporation | Optical playback system having increased depth-of-field |
JPS54160212A (en) * | 1978-06-09 | 1979-12-18 | Hitachi Ltd | Optical head for information processing |
JPS5558832A (en) * | 1978-10-24 | 1980-05-01 | Mitsubishi Electric Corp | Signal recording and reproducing unit of optical type |
JPS56109851A (en) * | 1980-02-02 | 1981-08-31 | Hagimori Kousan Kk | Manufacture of cement |
-
1979
- 1979-08-03 FR FR7919973A patent/FR2462758A1/fr active Granted
-
1980
- 1980-07-04 US US06/174,564 patent/US4344164A/en not_active Expired - Lifetime
- 1980-07-31 DE DE8080401133T patent/DE3064265D1/de not_active Expired
- 1980-07-31 EP EP80401133A patent/EP0023868B1/de not_active Expired
- 1980-08-04 CA CA000357560A patent/CA1149511A/en not_active Expired
- 1980-08-04 JP JP10705080A patent/JPS5625241A/ja active Granted
-
1988
- 1988-11-17 JP JP63291031A patent/JPH01165042A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4344164A (en) | 1982-08-10 |
CA1149511A (en) | 1983-07-05 |
JPH01165042A (ja) | 1989-06-29 |
JPH0519211B2 (de) | 1993-03-16 |
FR2462758B1 (de) | 1983-08-26 |
EP0023868B1 (de) | 1983-07-20 |
EP0023868A1 (de) | 1981-02-11 |
FR2462758A1 (fr) | 1981-02-13 |
JPS5625241A (en) | 1981-03-11 |
JPH0132580B2 (de) | 1989-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3064265D1 (en) | Optical device for access to an information carrier track and optical memory system comprising such a device | |
DE3066036D1 (en) | Optical recording-reproducing device of record carriers and optical memory system comprising such a device | |
JPS5720932A (en) | Optical device for recording and reading data carrier | |
GB2018483B (en) | Optical information reading device | |
DE3372031D1 (en) | Process and device for storing optical information | |
DE3066613D1 (en) | Buried servo track data recording systems | |
JPS57181441A (en) | Recorder and reader for optical recording carrier | |
JPS55129939A (en) | Method and device for recording information | |
JPS55153932A (en) | Method and device for photography using data carrier for reproducing threeedimensional body | |
DE3068498D1 (en) | Hierarchical data storage system | |
JPS55132536A (en) | Optical recorder for information | |
JPS53136428A (en) | Optical device for recording and reading information on tape | |
JPS548929A (en) | Device for storing and reading information | |
JPS5687157A (en) | Method and device for data memory retrieval | |
JPS5545200A (en) | Reading device for optical recording carrier | |
GB2137003B (en) | Device for reading data supports | |
JPS5315104A (en) | Method and device for optically reading information | |
JPS54152430A (en) | Device for reading stored data | |
JPS5553980A (en) | Information recording and reproducing system | |
JPS553099A (en) | Method and device for reading data | |
DE2966397D1 (en) | Memory information access time reduction device for an information processing system | |
GB2017989A (en) | Magnetic data storage system | |
DE3065893D1 (en) | Device for holographic storage and optical information processing system using such a device | |
GB2052132B (en) | Optical system for reproducing information | |
JPS55135315A (en) | Data memory system and magnetic disc for same |