BE874917A - Procede, dispositif et corps porteur d'enregistrement pour l'enregistrement d'information par voie optique - Google Patents
Procede, dispositif et corps porteur d'enregistrement pour l'enregistrement d'information par voie optiqueInfo
- Publication number
- BE874917A BE874917A BE194082A BE194082A BE874917A BE 874917 A BE874917 A BE 874917A BE 194082 A BE194082 A BE 194082A BE 194082 A BE194082 A BE 194082A BE 874917 A BE874917 A BE 874917A
- Authority
- BE
- Belgium
- Prior art keywords
- record
- information
- optical recording
- bearing body
- bearing
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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
- G11B7/0901—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 for track following only
- G11B7/0904—Dithered tracking systems
-
- 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
- G11B7/127—Lasers; Multiple laser arrays
-
- 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
- G11B7/00451—Recording involving ablation of the recording layer
-
- 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
- G11B7/00455—Recording involving reflectivity, absorption or colour changes
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
-
- 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
- G11B7/0908—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 for focusing only
-
- 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
- G11B7/0908—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 for focusing only
- G11B7/0916—Foucault or knife-edge methods
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
-
- 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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
- G11B7/24082—Meandering
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7802859,A NL187413C (nl) | 1978-03-16 | 1978-03-16 | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE874917A true BE874917A (fr) | 1979-09-17 |
Family
ID=19830503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE194082A BE874917A (fr) | 1978-03-16 | 1979-03-16 | Procede, dispositif et corps porteur d'enregistrement pour l'enregistrement d'information par voie optique |
Country Status (14)
Country | Link |
---|---|
US (1) | US4363116A (de) |
JP (4) | JPS54130102A (de) |
AT (1) | AT372798B (de) |
AU (1) | AU535698B2 (de) |
BE (1) | BE874917A (de) |
CA (1) | CA1147058A (de) |
CH (2) | CH664452A5 (de) |
DE (1) | DE2909877C2 (de) |
ES (1) | ES478608A1 (de) |
FR (1) | FR2420182B1 (de) |
GB (1) | GB2016744B (de) |
IT (1) | IT1111540B (de) |
NL (1) | NL187413C (de) |
SE (2) | SE439706B (de) |
Families Citing this family (180)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA744836B (en) * | 1973-08-16 | 1975-08-27 | Hoechst Ag | Process for obtaining multicolor effects |
NL7802860A (nl) * | 1978-03-16 | 1979-09-18 | Philips Nv | Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen. |
JPS54133305A (en) * | 1978-04-07 | 1979-10-17 | Hitachi Ltd | Information recorder |
NL7811004A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Stelsel met woordsynchronisatie voor een serieele signaalreeks. |
CA1165871A (en) * | 1978-11-08 | 1984-04-17 | Kornelis Bulthuis | Optically inscribable record carrier |
JPS55113197A (en) * | 1979-02-23 | 1980-09-01 | Hitachi Ltd | Optical memory unit |
NL7902363A (nl) * | 1979-03-27 | 1980-09-30 | Philips Nv | Registratiedrager met een optisch uitleesbare informa- tiestruktuur. |
US4290122A (en) * | 1979-05-14 | 1981-09-15 | Xerox Corporation | Self-synchronizing clock source for optical memories |
US4283777A (en) * | 1979-05-14 | 1981-08-11 | Xerox Corporation | Optical memory having a parallel read out |
JPS56148739A (en) * | 1980-04-16 | 1981-11-18 | Hitachi Ltd | Optical information processing unit |
NL7906576A (nl) * | 1979-09-03 | 1981-03-05 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor. |
NL7907180A (nl) * | 1979-09-27 | 1981-03-31 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan. |
NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
NL8000122A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager. |
NL8000123A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager. |
NL8000124A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Inrichting voor het weergeven van digitaal gecodeerde informatie die op een optisch uitleesbare schijfvormige registratiedrager is aangebracht. |
US4408314A (en) * | 1980-02-29 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Record/playback track tracking servo |
JPS56163534A (en) * | 1980-05-20 | 1981-12-16 | Matsushita Electric Ind Co Ltd | Optical information recording carrier |
JPS573233A (en) * | 1980-06-06 | 1982-01-08 | Toshiba Corp | Detecting method for track on optical disk |
JPS5715235A (en) * | 1980-07-03 | 1982-01-26 | Matsushita Electric Ind Co Ltd | Manufacture of member for optical information recording and reproduction |
NL8004598A (nl) * | 1980-08-14 | 1982-03-16 | Philips Nv | Werkwijze voor het inschrijven in, respektievelijk uitlezen uit, een registratiedragerlichaam, van sektorsgewijs georganiseerde informatie, en inrichting daarvoor. |
US4484319A (en) * | 1980-09-19 | 1984-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for locating a track on disc-like optical information carriers |
NL8006165A (nl) * | 1980-11-12 | 1982-06-01 | Philips Nv | Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem. |
JPS5784674A (en) * | 1980-11-14 | 1982-05-27 | Konishiroku Photo Ind Co Ltd | Recorder |
JPS57103136A (en) * | 1980-12-17 | 1982-06-26 | Matsushita Electric Ind Co Ltd | Optical disk and optical disk device |
JPS57103134A (en) * | 1980-12-17 | 1982-06-26 | Matsushita Electric Ind Co Ltd | Optical disk |
EP0054438B1 (de) * | 1980-12-17 | 1985-11-06 | Matsushita Electric Industrial Co., Ltd. | Optische Scheibe mit Indexmarkierung |
JPS57130240A (en) * | 1981-02-05 | 1982-08-12 | Olympus Optical Co Ltd | Optical information recording and reproducing device and information recording medium for it |
JPS57150144A (en) * | 1981-03-10 | 1982-09-16 | Matsushita Electric Ind Co Ltd | Optical recorder and reproducer |
US4523304A (en) * | 1981-04-17 | 1985-06-11 | Matsushita Electric Industrial Co., Ltd. | Optical data recording and reproducing apparatus |
FR2504713B1 (fr) * | 1981-04-27 | 1986-04-11 | Thomson Csf | Disque support d'information a codage angulaire et systeme d'entrainement en rotation d'un tel disque |
JPS57181429A (en) * | 1981-05-01 | 1982-11-08 | Toshiba Corp | Optical disc device |
JPS57208647A (en) * | 1981-06-18 | 1982-12-21 | Toshiba Corp | Optical disk for recording of information |
JPS58158051A (ja) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | 光学的記録再生装置 |
US4464567A (en) * | 1981-06-30 | 1984-08-07 | Storage Technology Corporation | Photoelectric information and focus detector |
JPS5819744A (ja) * | 1981-07-24 | 1983-02-04 | Sony Corp | 光学式記録再生装置 |
US4497050A (en) * | 1981-08-03 | 1985-01-29 | U.S. Philips Corporation | Method and device for writing a data block into a record carrier body |
JPS5832236A (ja) * | 1981-08-18 | 1983-02-25 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
JPS5857636A (ja) * | 1981-09-30 | 1983-04-05 | Fujitsu Ltd | 光デイスクのトラツキング制御方式 |
JPS5857643A (ja) * | 1981-09-30 | 1983-04-05 | Sony Corp | 記録用デイスク |
JPS5856337U (ja) * | 1981-10-13 | 1983-04-16 | 大日本印刷株式会社 | 情報記録用カ−ド |
US4417330A (en) * | 1981-10-15 | 1983-11-22 | Burroughs Corporation | Optical memory system providing improved focusing control |
US4564929A (en) * | 1981-11-25 | 1986-01-14 | Hitachi, Ltd. | Information recording and reproducing apparatus with tracking control by sampling |
JPS58102347A (ja) * | 1981-12-11 | 1983-06-17 | Mitsubishi Electric Corp | 光デイスク記録担体 |
US4428075A (en) * | 1981-12-21 | 1984-01-24 | Burroughs Corporation | Methods of preformatting an optical disk |
US4556964A (en) * | 1981-12-21 | 1985-12-03 | Burroughs Corporation | Technique for monitoring galvo angle |
US4466088A (en) * | 1981-12-21 | 1984-08-14 | Burroughs Corporation | Galvo position sensor for track selection in optical data disk system |
US4489406A (en) * | 1982-02-17 | 1984-12-18 | Burroughs Corporation | Optical memory system having a short seek capability |
US4432082A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having a long seek capability |
US4435797A (en) | 1982-02-17 | 1984-03-06 | Burroughs Corporation | Optical memory system having track following and seeking capabilities |
US4432083A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having track following |
FR2523345A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif de generation de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information |
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 |
FR2523349A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information |
JPS58158038A (ja) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | 光デイスク装置 |
US4456981A (en) * | 1982-03-19 | 1984-06-26 | Magnetic Peripherals Inc. | Modulation system for optical recording |
USRE32937E (en) * | 1982-03-19 | 1989-05-30 | Magnetic Peripherals, Inc. | Modulation system for optical recording |
JPS58181163A (ja) * | 1982-04-16 | 1983-10-22 | Hitachi Ltd | 記憶装置の制御方式 |
JPS58165742U (ja) * | 1982-04-27 | 1983-11-04 | 株式会社東芝 | 光学式情報記憶媒体 |
JPS58189840A (ja) * | 1982-04-30 | 1983-11-05 | Hitachi Ltd | 光学的情報処理装置 |
JPS58210775A (ja) * | 1982-06-02 | 1983-12-08 | Victor Co Of Japan Ltd | テレビジヨン映像信号の記録再生方式 |
US4519054A (en) * | 1982-06-03 | 1985-05-21 | News Log International, Inc. | Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby |
US4517667A (en) * | 1982-06-10 | 1985-05-14 | Xerox Corporation | Direct read after write optical disk system |
EP0098076A1 (de) * | 1982-06-14 | 1984-01-11 | Nec Corporation | Strahlzugriffsgerät für eine Vorrichtung mit optischen Scheiben |
US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
JPS5919250A (ja) * | 1982-07-21 | 1984-01-31 | Hitachi Ltd | 情報の記録再生装置 |
US4642803A (en) * | 1982-08-09 | 1987-02-10 | Drexler Technology Corporation | Optical data retrieval system for multi-characteristic reflective data storage media |
EP0100995A3 (en) * | 1982-08-10 | 1985-10-16 | Kabushiki Kaisha Toshiba | Optical disk |
US4621353A (en) * | 1982-09-09 | 1986-11-04 | Burroughs Corporation | Optical memory system providing improved focusing control and improved beam combining and separating apparatus |
US4559622A (en) * | 1982-09-09 | 1985-12-17 | Burroughs Corporation | Optical memory system providing improved focus detection and control by detecting reflected beam diameter variations at spaced predetermined locations in the system |
US4622659A (en) * | 1982-09-09 | 1986-11-11 | Burroughs Corporation | Focus detection and control apparatus for maintaining accurate focusing in an optical memory system by detecting reflected beam diameter variations at spaced predetermined locations |
JPS5977648A (ja) * | 1982-10-26 | 1984-05-04 | Sharp Corp | 光磁気記憶素子 |
US4490730A (en) * | 1982-10-28 | 1984-12-25 | The Charles Stark Draper Laboratory, Inc. | Pulsed optical storage system |
US4700335A (en) * | 1983-01-31 | 1987-10-13 | Canon Kabushiki Kaisha | Method and apparatus for recording a continuous spiral information track with different track pitches |
NL8301632A (nl) * | 1983-05-09 | 1984-12-03 | Philips Nv | Registratiedrager waarin langs optische weg informatie kan worden ingeschreven en uitgelezen. |
WO1984004844A1 (en) * | 1983-05-27 | 1984-12-06 | Storage Technology Partners | Coarse position error signal generation in an optical disk storage system employing coarse servo tracks |
WO1984004990A1 (en) * | 1983-06-07 | 1984-12-20 | Storage Technology Partners | A system and method for organizing and managing data stored on an informational disk |
EP0135750B1 (de) * | 1983-08-26 | 1988-06-22 | Hitachi, Ltd. | Aufzeichnungs- und Wiedergabegerät für optische Informationen |
JPH0634303B2 (ja) * | 1983-08-27 | 1994-05-02 | ソニー株式会社 | 光デイスク記録装置 |
NL8303168A (nl) * | 1983-09-14 | 1985-04-01 | Philips Nv | Inrichting voor het uitlezen van balken gecodeerde informatie. |
EP0156880A1 (de) * | 1983-09-19 | 1985-10-09 | Storage Technology Partners Ii | Optischer speicher für digitale daten |
JPH0648577Y2 (ja) * | 1983-09-21 | 1994-12-12 | 大日本印刷株式会社 | 案内溝を有する情報記録媒体 |
JPS6093646A (ja) * | 1983-10-26 | 1985-05-25 | Seiko Epson Corp | 光メモリ記録再生装置 |
US4703408A (en) * | 1983-11-28 | 1987-10-27 | Hitachi, Ltd. | Apparatus and record carrier for optically writing information |
JPH0677318B2 (ja) * | 1983-12-05 | 1994-09-28 | ソニー株式会社 | 光デイスク記録装置 |
EP0146109B1 (de) * | 1983-12-14 | 1990-05-23 | Hitachi, Ltd. | Gerät zum optischen Aufzeichnen von Informationen |
US4627039A (en) * | 1983-12-23 | 1986-12-02 | Magnetic Peripherals Inc. | Head positioning servo system for optical recording with coarse and fine control |
JPS60150239A (ja) * | 1984-01-18 | 1985-08-07 | Hitachi Ltd | 情報記録装置 |
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 |
JPS60160036A (ja) * | 1984-01-28 | 1985-08-21 | Toshiba Corp | 光デイスク |
EP0300581A3 (en) * | 1984-02-08 | 1989-04-12 | Laser Magnetic Storage International Company | Amorphous pip protection apparatus for use in an optical recording apparatus |
JPS60197953A (ja) * | 1984-03-21 | 1985-10-07 | Hitachi Ltd | 情報記録装置 |
JPH0760574B2 (ja) * | 1984-03-26 | 1995-06-28 | 株式会社日立製作所 | 光デイスク装置のセクタ開始信号発生回路 |
US4598393A (en) * | 1984-04-06 | 1986-07-01 | Drexler Technology Corporation | Three-beam optical servo tracking system with two-track parallel readout |
JPS59210545A (ja) * | 1984-04-20 | 1984-11-29 | Hitachi Ltd | 情報記録媒体 |
JPS59218645A (ja) * | 1984-05-11 | 1984-12-08 | Hitachi Ltd | 光デイスク |
JPS60261077A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 繰返し記録可能な情報記録媒体円盤への信号の記録方式 |
JPS60261078A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 繰返し記録可能な情報記録媒体円盤への信号の記録方式 |
JPS60261043A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
US4752922A (en) * | 1984-07-06 | 1988-06-21 | Storage Technology Partners 11 | Optical disk recording and readout system having read, write and coarse light beams |
JPH0664767B2 (ja) * | 1984-10-12 | 1994-08-22 | 株式会社東芝 | 光情報記録方法及び光情報記録装置 |
JPS61144781A (ja) * | 1984-12-18 | 1986-07-02 | Toshiba Corp | デイスク装置 |
DE3601265A1 (de) * | 1985-01-18 | 1986-07-24 | Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa | Optisches system fuer informationsaufzeichnung |
NL8500152A (nl) * | 1985-01-22 | 1986-08-18 | Philips Nv | Registratiedragerlichaam voorzien van vooraf aangebrachte en optisch detekteerbare servospoorgedeelten en sektoradressen. |
NL8500153A (nl) * | 1985-01-22 | 1986-08-18 | Philips Nv | Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur. |
JPS61177642A (ja) * | 1985-01-31 | 1986-08-09 | Olympus Optical Co Ltd | 光学的情報記録再生装置 |
JPH06101127B2 (ja) * | 1985-03-13 | 1994-12-12 | シャープ株式会社 | 光学ヘツド |
JPH0746435B2 (ja) * | 1985-03-14 | 1995-05-17 | オリンパス光学工業株式会社 | 光学的情報記録再生装置における光ピックアップの異常判別装置 |
US4707816A (en) * | 1985-03-29 | 1987-11-17 | Hitachi, Ltd. | Method and apparatus for composite wobbled and push-pull tracking servo system |
US4748609A (en) * | 1985-03-29 | 1988-05-31 | Hitachi, Ltd. | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset |
NL8501148A (nl) * | 1985-04-19 | 1986-11-17 | Optical Storage Int | Werkwijze voor het aanbrengen van een optisch detecteerbare structuur op het substraat van een optisch uitleesbare informatieschijf, matrijs ten behoeve van de werkwijze, inrichting voor het uitvoeren van de werkwijze, alsmede informatieschijf vervaardigd volgens de werkwijze. |
US5012460A (en) * | 1985-05-31 | 1991-04-30 | Information Storage, Inc. | RAM head positioning and tracking system |
FR2584223B1 (fr) * | 1985-06-28 | 1994-06-17 | Thomson Alcatel Gigadisc | Memoire optique a suivi de piste echantillonne pour support d'information pregrave. |
JP2888484B2 (ja) * | 1985-07-30 | 1999-05-10 | オプテイカル ストレツジ インターナシヨナル−ユーエス | 記録キャリア及び光データ読み書き装置 |
NL8502802A (nl) * | 1985-10-14 | 1987-05-04 | Philips Nv | Inrichting voor het uitlezen en/of inschrijven van een optische spoorvormige informatiestruktuur. |
JPS62109236A (ja) * | 1985-11-07 | 1987-05-20 | Teac Co | トラツキングサ−ボ装置 |
NL8503410A (nl) * | 1985-12-11 | 1987-07-01 | Philips Nv | Inrichting voor het overdragen van informatie tussen een elektronische geheugenkaart en een dataverwerkende eenheid. |
US4866688A (en) * | 1985-12-20 | 1989-09-12 | Hitachi, Ltd. | Composite tracking servo system for optical disc apparatus with track offset correction |
JP2574752B2 (ja) * | 1986-01-22 | 1997-01-22 | 株式会社日立製作所 | 情報記録媒体および記録再生方法 |
JPH07105051B2 (ja) * | 1986-05-12 | 1995-11-13 | 株式会社シーエスケイ | 光記録媒体のデータ書込方法 |
US4680594A (en) * | 1986-04-02 | 1987-07-14 | Optotech, Inc. | Single beam direct read during write and write protect system for use in an optical data storage system |
EP0245821A3 (en) * | 1986-05-12 | 1988-07-20 | Csk Corporation | Data record formatting system and reading/writing system for optical recording medium |
JPS6371936A (ja) * | 1986-09-16 | 1988-04-01 | Pioneer Electronic Corp | 光学式情報記録装置 |
NL8602504A (nl) * | 1986-10-06 | 1988-05-02 | Philips Nv | Optisch uitleesbare registratiedrager voor het optekenen van informatie, een inrichting voor het vervaardigen van een dergelijke registratiedrager, een inrichting voor het optekenen van informatie op een dergelijke registratiedrager, alsmede een inrichting voor het uitlezen van op een dergelijke registratiedrager opgetekende informatie. |
US5339301A (en) * | 1986-10-06 | 1994-08-16 | U.S. Philips Corporation | Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier |
US4873678A (en) * | 1986-12-10 | 1989-10-10 | Hitachi, Ltd. | Optical head and optical information processor using the same |
DE3704718A1 (de) | 1987-02-14 | 1988-08-25 | Thomson Brandt Gmbh | Geraet zur wiedergabe von daten |
US4980882A (en) * | 1987-04-06 | 1990-12-25 | Storage Technology Corporation Partners Ii | Optical disk for detesting and distinguishing servo tracks from data tracks |
DE3714804A1 (de) * | 1987-05-04 | 1988-11-17 | Siemens Ag | Optische informationsspeicherplatte |
JPS62295235A (ja) * | 1987-05-13 | 1987-12-22 | Hitachi Ltd | 光ディスク |
JPS63306535A (ja) * | 1987-06-05 | 1988-12-14 | Sharp Corp | 光学的記録再生装置 |
US5020040A (en) * | 1987-06-24 | 1991-05-28 | Digital Equipment Corporation | Overwriting system for magneto-optical recording with self timing track |
GB8724575D0 (en) * | 1987-10-20 | 1987-11-25 | Renishaw Plc | Focus detection system |
JPH07114021B2 (ja) * | 1987-11-07 | 1995-12-06 | 株式会社アサカ | 光学的ディスクの記録再生装置 |
JPH01143080A (ja) * | 1987-11-30 | 1989-06-05 | Sony Corp | 記録装置 |
JP2671139B2 (ja) * | 1987-12-10 | 1997-10-29 | 富士写真フイルム株式会社 | 情報記録媒体,光情報記録方法および光情報記録再生方法 |
US5418764A (en) * | 1988-01-22 | 1995-05-23 | U.S. Philips Corporation | Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier |
NL8800255A (nl) * | 1988-02-03 | 1989-09-01 | Philips Nv | Optische registratiedrager. |
US5105408A (en) * | 1988-05-12 | 1992-04-14 | Digital Equipment Corporation | Optical head with flying lens |
NL8901588A (nl) * | 1989-06-23 | 1991-01-16 | Philips Nv | Inrichting voor het optekenen van informatie op een registratiedrager met een stralingsgevoelige laag. |
US5170390A (en) * | 1988-08-22 | 1992-12-08 | Sharp Kabushiki Kaisha | Optical recording element and driving system |
US4941139A (en) * | 1988-09-02 | 1990-07-10 | International Business Machines Corporation | Checking media operations and recording during optical recording |
US5303217A (en) * | 1989-06-23 | 1994-04-12 | U.S. Philips Corporation | Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal |
JPH0721868B2 (ja) * | 1989-08-04 | 1995-03-08 | キヤノン株式会社 | 光情報処理装置 |
US5142514A (en) * | 1989-10-27 | 1992-08-25 | North American Philips Corporation | Apparatus and method for verification of data established on a record carrier during write |
JPH03228240A (ja) * | 1990-09-21 | 1991-10-09 | Sharp Corp | 磁気光学記憶素子 |
CA2054880C (en) † | 1990-11-09 | 1997-07-08 | Shigemi Maeda | Information recording and reproducing device |
DE4122080A1 (de) * | 1991-07-04 | 1993-01-07 | Thomson Brandt Gmbh | Verfahren zum bestimmen von orten auf optischen platten |
US5537372A (en) * | 1991-11-15 | 1996-07-16 | International Business Machines Corporation | High density data storage system with topographic contact sensor |
JP2582996B2 (ja) * | 1992-06-12 | 1997-02-19 | インターナショナル・ビジネス・マシーンズ・コーポレイション | フォトマスクの製造方法 |
US5432047A (en) * | 1992-06-12 | 1995-07-11 | International Business Machines Corporation | Patterning process for bipolar optical storage medium |
TW224169B (de) * | 1992-06-19 | 1994-05-21 | Philips Nv | |
US5289442A (en) * | 1992-06-19 | 1994-02-22 | U.S. Philips Corporation | Optical scanner with a long fast access stroke |
US5467327A (en) * | 1993-12-22 | 1995-11-14 | Jamail; Randall | Method of masking data on a storage medium |
US5808974A (en) * | 1993-12-22 | 1998-09-15 | Jamail; Randall H. | Method of masking data on a storage medium using a directory |
US5471443A (en) * | 1993-12-22 | 1995-11-28 | Randall Jamail | Method of selectively concealing magneto-optical compact disk data for playback upon demand |
US5495466A (en) * | 1994-01-10 | 1996-02-27 | Eastman Kodak Company | Write verification in an optical recording system by sensing mark formation while writing |
US5839001A (en) * | 1995-12-28 | 1998-11-17 | Canon Kabushiki Kaisha | Focus detecting apparatus |
US5646919A (en) * | 1996-01-16 | 1997-07-08 | Eastman Kodak Company | Dynamic tracking control in an optical recording system by sensing mark formation |
JP3772379B2 (ja) * | 1996-03-25 | 2006-05-10 | ソニー株式会社 | 記録媒体、アドレス記録方法、および装置 |
JP2856390B2 (ja) | 1996-07-26 | 1999-02-10 | 株式会社日立製作所 | 情報記録媒体及びそれを用いた記録再生方法 |
US5940549A (en) * | 1996-07-30 | 1999-08-17 | Seagate Technology, Incorporated | Optical system and method using optical fibers for storage and retrieval of information |
US6034938A (en) * | 1996-07-30 | 2000-03-07 | Seagate Technology, Inc. | Data storage system having an optical processing flying head |
US6850475B1 (en) | 1996-07-30 | 2005-02-01 | Seagate Technology, Llc | Single frequency laser source for optical data storage system |
US6058094A (en) * | 1996-07-30 | 2000-05-02 | Seagate Technology Inc. | Flying magneto-optical head with a steerable mirror |
US6226233B1 (en) | 1996-07-30 | 2001-05-01 | Seagate Technology, Inc. | Magneto-optical system utilizing MSR media |
US6178150B1 (en) | 1996-07-30 | 2001-01-23 | Seagate Technology Inc. | Offset optics for use with optical heads |
US6061323A (en) * | 1996-07-30 | 2000-05-09 | Seagate Technology, Inc. | Data storage system having an improved surface micro-machined mirror |
US6044056A (en) * | 1996-07-30 | 2000-03-28 | Seagate Technology, Inc. | Flying optical head with dynamic mirror |
US6076256A (en) * | 1997-04-18 | 2000-06-20 | Seagate Technology, Inc. | Method for manufacturing magneto-optical data storage system |
US5889641A (en) * | 1997-05-05 | 1999-03-30 | Seagate Technology, Inc. | Magneto-resistive magneto-optical head |
US6046968A (en) * | 1997-07-24 | 2000-04-04 | Hewlett-Packard Company | Re-writable optical disk having reference clock information permanently formed on the disk |
US7701836B2 (en) | 2001-11-27 | 2010-04-20 | Hewlett-Packard Development Company, L.P. | Re-writable optical disk having reference clock information permanently formed on the disk |
JPH11144401A (ja) | 1997-11-13 | 1999-05-28 | Teac Corp | 記録媒体記録再生装置 |
JP3882303B2 (ja) * | 1997-12-26 | 2007-02-14 | ソニー株式会社 | 光ディスクの記録及び/又は再生装置並びに光ディスクのトラッキング制御方法 |
US6314071B1 (en) * | 1998-02-20 | 2001-11-06 | Zen Research (Ireland), Ltd. | Method and apparatus for reading multiple tracks and writing at least one track of an optical disk |
US6200882B1 (en) | 1998-06-10 | 2001-03-13 | Seagate Technology, Inc. | Method for processing a plurality of micro-machined mirror assemblies |
JP2006155698A (ja) * | 2004-11-26 | 2006-06-15 | Hitachi Ltd | 光記録再生装置 |
TWI347596B (en) * | 2007-01-11 | 2011-08-21 | Ind Tech Res Inst | Optical recording carrier, signal generating apparatus, information recording method, and information reading apparatus |
US7586970B2 (en) * | 2007-02-23 | 2009-09-08 | Alfalight, Inc. | High efficiency partial distributed feedback (p-DFB) laser |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183948B (de) * | 1961-01-12 | 1964-12-23 | Telefunken Patent | Speicher, insbesondere Mikrospeicher fuer Informationen |
US3790755A (en) * | 1961-12-08 | 1974-02-05 | D Silverman | High density information system using multiple strips |
US3431513A (en) * | 1964-09-28 | 1969-03-04 | Nippon Electric Co | Twin semiconductor laser |
DE1499422C3 (de) * | 1965-02-17 | 1973-10-11 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Anordnung zum Aufzeichnen von In formationen mittels Laserstrahlen |
US3351948A (en) * | 1966-01-03 | 1967-11-07 | Honeywell Inc | Laser recorder using medium having encapsulated chemicals |
US3696344A (en) * | 1970-02-19 | 1972-10-03 | Energy Conversion Devices Inc | Optical mass memory employing amorphous thin films |
US3789378A (en) * | 1971-05-24 | 1974-01-29 | Olivetti & Co Spa | Transducer positioning mechanism |
NL7212015A (de) * | 1972-09-04 | 1974-03-06 | ||
US4057831A (en) * | 1972-09-05 | 1977-11-08 | U.S. Philips Corporation | Video record disc manufactured by a process involving chemical or sputter etching |
NL7312139A (de) * | 1972-09-08 | 1974-03-12 | ||
US3866238A (en) * | 1973-06-01 | 1975-02-11 | North Electric Co | Laser diode for use with film memory system |
NL7314267A (nl) * | 1973-10-17 | 1975-04-21 | Philips Nv | Registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur. |
US3931460A (en) * | 1974-02-04 | 1976-01-06 | Zenith Radio Corporation | Video disc with multiturn undulating storage track |
NL7402012A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. |
US3919697A (en) * | 1974-06-26 | 1975-11-11 | Battelle Development Corp | Data record tracking using track identifying information in the gaps between recorded data groups |
US4001493A (en) * | 1974-09-03 | 1977-01-04 | Nihon Denshi Kabushiki Kaisha | Single lens, multi-beam system and method for high resolution recording of information on a moving recording medium and article |
FR2304981A1 (fr) * | 1975-03-21 | 1976-10-15 | Thomson Brandt | Dispositif d'enregistrement optique d'informations |
DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
DE2608715C2 (de) * | 1976-03-03 | 1984-03-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches System zum Speichern und Wiedergewinnen digitaler Daten |
US4094013A (en) * | 1975-05-22 | 1978-06-06 | U.S. Philips Corporation | Optical storage disk system with disk track guide sectors |
GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
GB1576426A (en) * | 1976-03-19 | 1980-10-08 | Rca Corp | Eccentricity compensating system in recording and playbackapparatus |
NL7608561A (nl) * | 1976-08-02 | 1978-02-06 | Philips Nv | Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur. |
-
1978
- 1978-03-16 NL NLAANVRAGE7802859,A patent/NL187413C/xx not_active IP Right Cessation
-
1979
- 1979-03-12 CA CA000323250A patent/CA1147058A/en not_active Expired
- 1979-03-13 CH CH248/85A patent/CH664452A5/de not_active IP Right Cessation
- 1979-03-13 AU AU45078/79A patent/AU535698B2/en not_active Ceased
- 1979-03-13 GB GB7908771A patent/GB2016744B/en not_active Expired
- 1979-03-13 SE SE7902222A patent/SE439706B/sv not_active IP Right Cessation
- 1979-03-13 CH CH2381/79A patent/CH648947A5/de not_active IP Right Cessation
- 1979-03-13 IT IT20944/79A patent/IT1111540B/it active
- 1979-03-14 DE DE2909877A patent/DE2909877C2/de not_active Expired
- 1979-03-14 ES ES478608A patent/ES478608A1/es not_active Expired
- 1979-03-15 AT AT0197779A patent/AT372798B/de not_active IP Right Cessation
- 1979-03-16 JP JP3166079A patent/JPS54130102A/ja active Granted
- 1979-03-16 FR FR7906752A patent/FR2420182B1/fr not_active Expired
- 1979-03-16 BE BE194082A patent/BE874917A/xx not_active IP Right Cessation
-
1980
- 1980-04-14 US US06/140,409 patent/US4363116A/en not_active Expired - Lifetime
-
1985
- 1985-02-15 SE SE8500720A patent/SE455350B/sv not_active IP Right Cessation
-
1987
- 1987-01-16 JP JP62006260A patent/JPS62167622A/ja active Granted
- 1987-01-16 JP JP62006261A patent/JPS62167623A/ja active Pending
- 1987-01-16 JP JP62006262A patent/JPS62167627A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2420182B1 (fr) | 1988-06-24 |
SE455350B (sv) | 1988-07-04 |
DE2909877A1 (de) | 1979-09-27 |
GB2016744B (en) | 1982-08-04 |
CH664452A5 (de) | 1988-02-29 |
AU535698B2 (en) | 1984-04-05 |
DE2909877C2 (de) | 1987-04-16 |
SE8500720L (sv) | 1985-02-15 |
AT372798B (de) | 1983-11-10 |
JPS6319934B2 (de) | 1988-04-25 |
FR2420182A1 (fr) | 1979-10-12 |
JPS62167623A (ja) | 1987-07-24 |
CA1147058A (en) | 1983-05-24 |
CH648947A5 (de) | 1985-04-15 |
IT7920944A0 (it) | 1979-03-13 |
AU4507879A (en) | 1979-09-20 |
JPS62167622A (ja) | 1987-07-24 |
SE439706B (sv) | 1985-06-24 |
US4363116A (en) | 1982-12-07 |
ES478608A1 (es) | 1980-05-16 |
NL187413B (nl) | 1991-04-16 |
NL187413C (nl) | 1991-09-16 |
NL7802859A (nl) | 1979-09-18 |
JPS54130102A (en) | 1979-10-09 |
IT1111540B (it) | 1986-01-13 |
SE7902222L (sv) | 1979-09-17 |
SE8500720D0 (sv) | 1985-02-15 |
ATA197779A (de) | 1983-03-15 |
JPS6333211B2 (de) | 1988-07-04 |
JPS62167627A (ja) | 1987-07-24 |
GB2016744A (en) | 1979-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE874917A (fr) | Procede, dispositif et corps porteur d'enregistrement pour l'enregistrement d'information par voie optique | |
BE874918A (fr) | Corps porteur d'enregistrement et porteur d'enregistrement pour de l'information optique et dispositif d'enregistrement et de lecture | |
BE880545A (fr) | Dispositif pour lire par voie optique l'information d'un porteur d'information en forme d'un disque | |
BE879426A (fr) | Dispositif optique pour la lecture de l'information d'un porteur d'information en forme de disque | |
FR2516687B1 (fr) | Enregistrement d'informations pour systeme optique de lecture et d'enregistrement | |
FR2308257A1 (fr) | Procede et dispositif de transmission d'informations | |
FR2422220B1 (fr) | Porteur d'enregistrement presentant une structure de phase a lire par voie optique et dispositif pour la lecture | |
FR2351468A1 (fr) | Dispositif d'exploration par voie optique de pistes d'enregistrement d'information | |
FR2445580B1 (fr) | Appareil d'enregistrement optique d'informations | |
BE886992A (fr) | Porteur d'information, dispositif pour sa fabrication et dispositif pour l'enregistrement et la lecture | |
BE878327A (fr) | Dispositif pour la lecture d'un porteur d'information en forme de disque | |
FR2347742A1 (fr) | Configurations de signaux servo et dispositif les utilisant pour la recherche et le suivi de pistes d'enregistrement | |
FR2534722B1 (fr) | Dispositif servant a la lecture et/ou l'enregistrement d'information par voie optique | |
FR2444961B1 (fr) | Procede et dispositif d'enregistrement graphique | |
BE860517A (fr) | Enregistrement et reconnaissance de l'information | |
FR2439677B1 (fr) | Procede et appareil d'enregistrement d'informations fixes et variables | |
BE862543A (fr) | Procede et dispositif pour la transmission d'informations par radiocommunications | |
FR2415862B1 (fr) | Procede pour l'adressage et/ou la recherche d'informations sur un porteur d'enregistrement | |
FR2506982B1 (fr) | Dispositif pour l'enregistrement et/ou la lecture d'un support d'information | |
FR2519176B1 (fr) | Dispositif de positionnement et de verrouillage pour disques porteurs d'informations | |
FR2444989B1 (fr) | Procede pour lire et/ou enregistrer de l'information et dispositif pour la mise en oeuvre de ce procede | |
FR2575578B1 (fr) | Appareil d'enregistrement et de reproduction optiques d'informations | |
FR2494480B1 (fr) | Procede et appareil d'enregistrement de signaux d'information | |
FR2490019B1 (fr) | Procede et dispositif pour augmenter l'intervalle de bandes d'alliages amorphes photosensibles et alliages obtenus | |
FR2460021B1 (fr) | Dispositif pour la lecture d'information |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: PHILIPS ELECTRONICS N.V. Effective date: 19980331 |