FR2472243B1 - Dispositif d'enregistrement optique - Google Patents
Dispositif d'enregistrement optiqueInfo
- Publication number
- FR2472243B1 FR2472243B1 FR8026673A FR8026673A FR2472243B1 FR 2472243 B1 FR2472243 B1 FR 2472243B1 FR 8026673 A FR8026673 A FR 8026673A FR 8026673 A FR8026673 A FR 8026673A FR 2472243 B1 FR2472243 B1 FR 2472243B1
- Authority
- FR
- France
- Prior art keywords
- recording device
- optical recording
- optical
- recording
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B7/0045—Recording
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16535979A JPS5687239A (en) | 1979-12-18 | 1979-12-18 | Optical recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2472243A1 FR2472243A1 (fr) | 1981-06-26 |
FR2472243B1 true FR2472243B1 (fr) | 1988-08-26 |
Family
ID=15810862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8026673A Expired FR2472243B1 (fr) | 1979-12-18 | 1980-12-16 | Dispositif d'enregistrement optique |
Country Status (4)
Country | Link |
---|---|
US (1) | US4328506A (fr) |
JP (1) | JPS5687239A (fr) |
DE (1) | DE3047788C2 (fr) |
FR (1) | FR2472243B1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419750A (en) * | 1981-07-13 | 1983-12-06 | Eastman Kodak Company | Constant track width optical disk recording |
JPS5845604A (ja) * | 1981-09-11 | 1983-03-16 | Sony Corp | Vtr |
US4516235A (en) * | 1982-10-28 | 1985-05-07 | Rca Corporation | Dynamic record level control for optical disc recorder |
DE3342525A1 (de) * | 1982-11-27 | 1984-05-30 | Canon K.K., Tokio/Tokyo | Geraet zur informations-aufzeichnung und/oder -wiedergabe |
FR2546325B1 (fr) * | 1983-05-20 | 1988-07-08 | Thomson Csf | Procede et dispositif de calibration de la puissance optique appliquee a un disque optique pour l'enregistrement de donnees |
JPH0634303B2 (ja) * | 1983-08-27 | 1994-05-02 | ソニー株式会社 | 光デイスク記録装置 |
JPS6070563A (ja) * | 1983-09-27 | 1985-04-22 | Toshiba Corp | 高密度螺旋描画装置 |
JPS6074124A (ja) * | 1983-09-28 | 1985-04-26 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
CA1244941A (fr) * | 1984-03-24 | 1988-11-15 | Yoshihiro Tsukamura | Lecteur de disque optique |
US4685097A (en) * | 1985-07-25 | 1987-08-04 | Laser Magnetic Storage International Company | Power control system for a semiconductor laser |
JP2531942B2 (ja) * | 1986-04-14 | 1996-09-04 | ティアツク株式会社 | 光学式デイスク記録装置 |
JPH0632461B2 (ja) * | 1986-07-01 | 1994-04-27 | ティアツク株式会社 | 光デイスクに対する映像信号記録装置 |
JPS63157331A (ja) * | 1986-12-20 | 1988-06-30 | Toshiba Corp | 情報記憶再生装置 |
JPH0771179B2 (ja) * | 1987-06-18 | 1995-07-31 | 富士写真フイルム株式会社 | レ−ザ光源の駆動方法 |
JP2684657B2 (ja) * | 1987-11-13 | 1997-12-03 | ヤマハ株式会社 | 光ディスク記録方法 |
JPH07118108B2 (ja) * | 1988-06-28 | 1995-12-18 | 日本電気株式会社 | 光学的情報の記録方法 |
JPH0227533A (ja) * | 1988-07-18 | 1990-01-30 | Sony Corp | レーザダイオード駆動装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1389831A (en) * | 1971-02-24 | 1975-04-09 | Emi Ltd | Production of records |
JPS5410841B2 (fr) * | 1972-10-26 | 1979-05-10 | ||
JPS5092702A (fr) * | 1973-12-17 | 1975-07-24 | ||
US4118734A (en) * | 1974-02-14 | 1978-10-03 | U.S. Philips Corporation | Optical videodisc with variable width tracks |
JPS5833840B2 (ja) * | 1975-11-10 | 1983-07-22 | 富士写真フイルム株式会社 | レ−ザキロクホウホウ オヨビ ソウチ |
GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
JPS5312505A (en) * | 1976-07-20 | 1978-02-04 | Tokico Ltd | Fluid compressor |
JPS5827891B2 (ja) * | 1976-09-14 | 1983-06-13 | 日本ビクター株式会社 | レ−ザ光束の安定化装置 |
JPS5363002A (en) * | 1976-11-18 | 1978-06-06 | Sony Corp | Signal recording system and disk type medium for recording signal |
FR2380615A1 (fr) * | 1977-02-15 | 1978-09-08 | Thomson Brandt | Procede d'enregistrement d'un signal sur un disque, dispositif pour la mise en oeuvre de ce procede, et disque obtenu selon ce procede |
JPS5823998B2 (ja) * | 1977-03-08 | 1983-05-18 | 日本ビクター株式会社 | 情報信号記録方法 |
JPS53118117A (en) * | 1977-03-25 | 1978-10-16 | Victor Co Of Japan Ltd | Recording method of information signal for original disc of groovless information recording medium discs |
JPS6012691B2 (ja) * | 1977-03-30 | 1985-04-03 | パイオニア株式会社 | 記録方式 |
JPS54143109A (en) * | 1978-04-28 | 1979-11-08 | Hitachi Ltd | Optical information device |
JPS54143107A (en) * | 1978-04-28 | 1979-11-08 | Hitachi Ltd | Optical information device |
US4190860A (en) * | 1978-11-16 | 1980-02-26 | Mca Discovision, Inc. | Digital method and apparatus for rotating an information storage disc |
-
1979
- 1979-12-18 JP JP16535979A patent/JPS5687239A/ja active Granted
-
1980
- 1980-12-16 US US06/216,974 patent/US4328506A/en not_active Expired - Lifetime
- 1980-12-16 FR FR8026673A patent/FR2472243B1/fr not_active Expired
- 1980-12-18 DE DE3047788A patent/DE3047788C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3047788A1 (de) | 1981-09-03 |
JPS5687239A (en) | 1981-07-15 |
US4328506A (en) | 1982-05-04 |
DE3047788C2 (de) | 1984-10-11 |
FR2472243A1 (fr) | 1981-06-26 |
JPS6363974B2 (fr) | 1988-12-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2422209B1 (fr) | Dispositif de lecture optique | |
FR2304981A1 (fr) | Dispositif d'enregistrement optique d'informations | |
FR2325987A1 (fr) | Dispositif de lecture optique d'un enregistrement | |
FR2509891B1 (fr) | Dispositif optique d'enregistrement-lecture sur support d'information pregrave | |
FR2537733B1 (fr) | Dispositif guide d'ondes optique | |
BE875307A (fr) | Dispositif pour element optique | |
FR2445580B1 (fr) | Appareil d'enregistrement optique d'informations | |
DE69030960T2 (de) | Optisches Aufzeichnungsgerät | |
BE887263A (fr) | Dispositif d'affichage | |
FR2501385B1 (fr) | Dispositif optique compact d'exploration | |
FR2347740A1 (fr) | Dispositif d'affichage | |
FR2353920A1 (fr) | Dispositif d'affichage opto-electronique | |
FR2472243B1 (fr) | Dispositif d'enregistrement optique | |
BE870702A (fr) | Agencement de transmission optique d'informations | |
DE3584615D1 (de) | Optische aufnahme- und wiedergabevorrichtung. | |
FR2630245B1 (fr) | Appareil d'enregistrement optique | |
FR2418514B1 (fr) | Support d'enregistrement optique de l'information | |
FR2521737B1 (fr) | Dispositif optique bistable | |
FR2536895B1 (fr) | Support d'enregistrement optique | |
BE854349A (fr) | Dispositif d'affichage optique | |
FR2514540B1 (fr) | Appareil d'enregistrement optique | |
AT367220B (de) | Bildaufnahmegeraet | |
FR2509939B1 (fr) | Dispositif d'enregistrement d'image | |
FR2312808A1 (fr) | Dispositif d'enregistrement d'image optique | |
FR2551225B1 (fr) | Dispositif d'interconnexion optique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |