JPS54130102A - Method of writing information* recording carrier* recorded record carrier* and information writing and reading device - Google Patents
Method of writing information* recording carrier* recorded record carrier* and information writing and reading deviceInfo
- Publication number
- JPS54130102A JPS54130102A JP3166079A JP3166079A JPS54130102A JP S54130102 A JPS54130102 A JP S54130102A JP 3166079 A JP3166079 A JP 3166079A JP 3166079 A JP3166079 A JP 3166079A JP S54130102 A JPS54130102 A JP S54130102A
- Authority
- JP
- Japan
- Prior art keywords
- writing
- information
- carrier
- reading device
- recorded record
- 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.)
- Granted
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 (2)
Publication Number | Publication Date |
---|---|
JPS54130102A true JPS54130102A (en) | 1979-10-09 |
JPS6319934B2 JPS6319934B2 (ja) | 1988-04-25 |
Family
ID=19830503
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3166079A Granted JPS54130102A (en) | 1978-03-16 | 1979-03-16 | Method of writing information* recording carrier* recorded record carrier* and information writing and reading device |
JP62006260A Granted JPS62167622A (ja) | 1978-03-16 | 1987-01-16 | 記録担体 |
JP62006261A Pending JPS62167623A (ja) | 1978-03-16 | 1987-01-16 | 記録済記録担体 |
JP62006262A Pending JPS62167627A (ja) | 1978-03-16 | 1987-01-16 | 情報書込および読取装置 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62006260A Granted JPS62167622A (ja) | 1978-03-16 | 1987-01-16 | 記録担体 |
JP62006261A Pending JPS62167623A (ja) | 1978-03-16 | 1987-01-16 | 記録済記録担体 |
JP62006262A Pending JPS62167627A (ja) | 1978-03-16 | 1987-01-16 | 情報書込および読取装置 |
Country Status (14)
Country | Link |
---|---|
US (1) | US4363116A (ja) |
JP (4) | JPS54130102A (ja) |
AT (1) | AT372798B (ja) |
AU (1) | AU535698B2 (ja) |
BE (1) | BE874917A (ja) |
CA (1) | CA1147058A (ja) |
CH (2) | CH664452A5 (ja) |
DE (1) | DE2909877C2 (ja) |
ES (1) | ES478608A1 (ja) |
FR (1) | FR2420182B1 (ja) |
GB (1) | GB2016744B (ja) |
IT (1) | IT1111540B (ja) |
NL (1) | NL187413C (ja) |
SE (2) | SE439706B (ja) |
Cited By (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55113197A (en) * | 1979-02-23 | 1980-09-01 | Hitachi Ltd | Optical memory unit |
JPS55153133A (en) * | 1979-05-14 | 1980-11-28 | Xerox Corp | Optical memory |
JPS56148739A (en) * | 1980-04-16 | 1981-11-18 | Hitachi Ltd | Optical information processing unit |
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 |
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 |
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 |
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 |
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 |
JPS58102347A (ja) * | 1981-12-11 | 1983-06-17 | Mitsubishi Electric Corp | 光デイスク記録担体 |
JPS58158051A (ja) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | 光学的記録再生装置 |
JPS58171728A (ja) * | 1982-03-12 | 1983-10-08 | トムソン−セエスエフ | デジタルデータの光学的記録読出方法及びデジタルデータの光学的記録読出装置 |
JPS58185051A (ja) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | 可動データ媒体及びこのような媒体に用いる光学的トラッキング装置 |
JPS58165742U (ja) * | 1982-04-27 | 1983-11-04 | 株式会社東芝 | 光学式情報記憶媒体 |
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 |
JPS58220247A (ja) * | 1982-06-10 | 1983-12-21 | ゼロツクス・コ−ポレ−シヨン | 光デイスク走査装置 |
JPS5977648A (ja) * | 1982-10-26 | 1984-05-04 | Sharp Corp | 光磁気記憶素子 |
JPS59210546A (ja) * | 1983-05-09 | 1984-11-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 光記録キャリヤ |
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 |
JPS6050667A (ja) * | 1983-08-27 | 1985-03-20 | Sony Corp | 光デイスク記録装置 |
JPS6054224U (ja) * | 1983-09-21 | 1985-04-16 | 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 |
JPS60121548A (ja) * | 1983-12-05 | 1985-06-29 | Sony Corp | 光デイスク記録装置 |
JPS60150239A (ja) * | 1984-01-18 | 1985-08-07 | Hitachi Ltd | 情報記録装置 |
JPS60261043A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
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 |
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 |
JPS6192460A (ja) * | 1984-10-12 | 1986-05-10 | Toshiba Corp | 光情報記録方法及び光情報記録装置 |
JPS62264433A (ja) * | 1986-05-12 | 1987-11-17 | Csk Corp | 光記録媒体のデ−タ書込方式 |
JPS62295235A (ja) * | 1987-05-13 | 1987-12-22 | Hitachi Ltd | 光ディスク |
JPH01124118A (ja) * | 1987-11-07 | 1989-05-17 | Asaka:Kk | 光学的ディスクの記録再生装置 |
US4873678A (en) * | 1986-12-10 | 1989-10-10 | Hitachi, Ltd. | Optical head and optical information processor using the same |
JPH03228240A (ja) * | 1990-09-21 | 1991-10-09 | Sharp Corp | 磁気光学記憶素子 |
Families Citing this family (140)
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 |
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 |
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. |
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. |
NL8000123A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager. |
US4408314A (en) * | 1980-02-29 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Record/playback track tracking servo |
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 |
EP0054438B1 (en) * | 1980-12-17 | 1985-11-06 | Matsushita Electric Industrial Co., Ltd. | Optical disk having an index mark |
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 |
US4464567A (en) * | 1981-06-30 | 1984-08-07 | Storage Technology Corporation | Photoelectric information and focus detector |
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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 |
JPH0252328B2 (ja) * | 1981-06-18 | 1990-11-13 | Tokyo Shibaura Electric Co | |
JPS5857643A (ja) * | 1981-09-30 | 1983-04-05 | Sony Corp | 記録用デイスク |
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 |
JPH0411221Y2 (ja) * | 1981-10-13 | 1992-03-19 | ||
JPS5856337U (ja) * | 1981-10-13 | 1983-04-16 | 大日本印刷株式会社 | 情報記録用カ−ド |
JPS58102347A (ja) * | 1981-12-11 | 1983-06-17 | Mitsubishi Electric Corp | 光デイスク記録担体 |
JPS58185051A (ja) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | 可動データ媒体及びこのような媒体に用いる光学的トラッキング装置 |
JPH0344387B2 (ja) * | 1982-03-12 | 1991-07-05 | Thomson Csf | |
JPS58171728A (ja) * | 1982-03-12 | 1983-10-08 | トムソン−セエスエフ | デジタルデータの光学的記録読出方法及びデジタルデータの光学的記録読出装置 |
JPH079735B2 (ja) * | 1982-03-12 | 1995-02-01 | トムソン−セエスエフ | デジタルデータの光学的記録読出方法及びデジタルデータの光学的記録読出装置 |
JPS6343819B2 (ja) * | 1982-03-15 | 1988-09-01 | Tokyo Shibaura Electric Co | |
JPS58158051A (ja) * | 1982-03-15 | 1983-09-20 | Toshiba Corp | 光学的記録再生装置 |
JPS58165742U (ja) * | 1982-04-27 | 1983-11-04 | 株式会社東芝 | 光学式情報記憶媒体 |
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 |
JPS58220247A (ja) * | 1982-06-10 | 1983-12-21 | ゼロツクス・コ−ポレ−シヨン | 光デイスク走査装置 |
JPS5977648A (ja) * | 1982-10-26 | 1984-05-04 | Sharp Corp | 光磁気記憶素子 |
JPH0416865B2 (ja) * | 1982-10-26 | 1992-03-25 | Sharp Kk | |
JPS59210546A (ja) * | 1983-05-09 | 1984-11-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | 光記録キャリヤ |
JPH0447907B2 (ja) * | 1983-05-09 | 1992-08-05 | Fuiritsupusu Furuuiranpenfuaburiken Nv | |
JPS6050667A (ja) * | 1983-08-27 | 1985-03-20 | Sony Corp | 光デイスク記録装置 |
JPS6054224U (ja) * | 1983-09-21 | 1985-04-16 | 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 |
JPS60121548A (ja) * | 1983-12-05 | 1985-06-29 | Sony Corp | 光デイスク記録装置 |
JPS60150239A (ja) * | 1984-01-18 | 1985-08-07 | Hitachi Ltd | 情報記録装置 |
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 |
JPS60261043A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
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 |
JPS6192460A (ja) * | 1984-10-12 | 1986-05-10 | Toshiba Corp | 光情報記録方法及び光情報記録装置 |
JPS62264433A (ja) * | 1986-05-12 | 1987-11-17 | Csk Corp | 光記録媒体のデ−タ書込方式 |
US4873678A (en) * | 1986-12-10 | 1989-10-10 | Hitachi, Ltd. | Optical head and optical information processor using the same |
JPH0370295B2 (ja) * | 1987-05-13 | 1991-11-07 | Hitachi Ltd | |
JPS62295235A (ja) * | 1987-05-13 | 1987-12-22 | Hitachi Ltd | 光ディスク |
JPH01124118A (ja) * | 1987-11-07 | 1989-05-17 | Asaka:Kk | 光学的ディスクの記録再生装置 |
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 |
JPH03228240A (ja) * | 1990-09-21 | 1991-10-09 | Sharp Corp | 磁気光学記憶素子 |
JPH0512778B2 (ja) * | 1990-09-21 | 1993-02-18 | Sharp Kk |
Also Published As
Publication number | Publication date |
---|---|
AU535698B2 (en) | 1984-04-05 |
JPS6333211B2 (ja) | 1988-07-04 |
SE8500720L (sv) | 1985-02-15 |
NL7802859A (nl) | 1979-09-18 |
DE2909877A1 (de) | 1979-09-27 |
JPS6319934B2 (ja) | 1988-04-25 |
CH648947A5 (de) | 1985-04-15 |
JPS62167622A (ja) | 1987-07-24 |
JPS62167627A (ja) | 1987-07-24 |
CH664452A5 (de) | 1988-02-29 |
SE8500720D0 (sv) | 1985-02-15 |
BE874917A (fr) | 1979-09-17 |
NL187413C (nl) | 1991-09-16 |
JPS62167623A (ja) | 1987-07-24 |
SE7902222L (sv) | 1979-09-17 |
GB2016744B (en) | 1982-08-04 |
IT7920944A0 (it) | 1979-03-13 |
SE455350B (sv) | 1988-07-04 |
FR2420182A1 (fr) | 1979-10-12 |
ES478608A1 (es) | 1980-05-16 |
US4363116A (en) | 1982-12-07 |
FR2420182B1 (fr) | 1988-06-24 |
SE439706B (sv) | 1985-06-24 |
DE2909877C2 (de) | 1987-04-16 |
ATA197779A (de) | 1983-03-15 |
IT1111540B (it) | 1986-01-13 |
GB2016744A (en) | 1979-09-26 |
AU4507879A (en) | 1979-09-20 |
CA1147058A (en) | 1983-05-24 |
NL187413B (nl) | 1991-04-16 |
AT372798B (de) | 1983-11-10 |
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