JPS502415A - - Google Patents
Info
- Publication number
- JPS502415A JPS502415A JP49011369A JP1136974A JPS502415A JP S502415 A JPS502415 A JP S502415A JP 49011369 A JP49011369 A JP 49011369A JP 1136974 A JP1136974 A JP 1136974A JP S502415 A JPS502415 A JP S502415A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G11B7/128—Modulators
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1608—Error detection by comparing the output signals of redundant hardware
- G06F11/1612—Error detection by comparing the output signals of redundant hardware where the redundant component is persistent storage
-
- 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
- G11B20/02—Analogue recording or reproducing
- G11B20/06—Angle-modulation recording or reproducing
-
- 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
- G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
-
- 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
-
- 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
- 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
- G11B7/005—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
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
-
- 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
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Television Signal Processing For Recording (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33356073A | 1973-02-20 | 1973-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS502415A true JPS502415A (de) | 1975-01-11 |
Family
ID=23303311
Family Applications (12)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49011369A Pending JPS502415A (de) | 1973-02-20 | 1974-01-26 | |
| JP9434979A Granted JPS5525891A (en) | 1973-02-20 | 1979-07-26 | Photo converter stabilizer in video information recording device and method thereof |
| JP9435079A Granted JPS5525892A (en) | 1973-02-20 | 1979-07-26 | Device for monitoring stored information in video disk and method thereof |
| JP9434679A Granted JPS5525888A (en) | 1973-02-20 | 1979-07-26 | Method and device for recording information |
| JP9434779A Pending JPS5525889A (en) | 1973-02-20 | 1979-07-26 | Video information signal regeneration optical system and method thereof |
| JP9434879A Granted JPS5525890A (en) | 1973-02-20 | 1979-07-26 | Video information processor and regeneration thereof |
| JP57005485A Granted JPS57147140A (en) | 1973-02-20 | 1982-01-19 | Recording information monitoring apparatus |
| JP58021743A Pending JPS58161143A (ja) | 1973-02-20 | 1983-02-14 | 情報を格納する装置 |
| JP58021742A Granted JPS58161159A (ja) | 1973-02-20 | 1983-02-14 | 情報処理装置 |
| JP58021744A Pending JPS58161153A (ja) | 1973-02-20 | 1983-02-14 | 情報取扱い装置 |
| JP61120335A Pending JPS6224440A (ja) | 1973-02-20 | 1986-05-27 | デイスクに標識を記録する装置 |
| JP61120336A Pending JPS6224441A (ja) | 1973-02-20 | 1986-05-27 | デイスクに標識を記録する方法 |
Family Applications After (11)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9434979A Granted JPS5525891A (en) | 1973-02-20 | 1979-07-26 | Photo converter stabilizer in video information recording device and method thereof |
| JP9435079A Granted JPS5525892A (en) | 1973-02-20 | 1979-07-26 | Device for monitoring stored information in video disk and method thereof |
| JP9434679A Granted JPS5525888A (en) | 1973-02-20 | 1979-07-26 | Method and device for recording information |
| JP9434779A Pending JPS5525889A (en) | 1973-02-20 | 1979-07-26 | Video information signal regeneration optical system and method thereof |
| JP9434879A Granted JPS5525890A (en) | 1973-02-20 | 1979-07-26 | Video information processor and regeneration thereof |
| JP57005485A Granted JPS57147140A (en) | 1973-02-20 | 1982-01-19 | Recording information monitoring apparatus |
| JP58021743A Pending JPS58161143A (ja) | 1973-02-20 | 1983-02-14 | 情報を格納する装置 |
| JP58021742A Granted JPS58161159A (ja) | 1973-02-20 | 1983-02-14 | 情報処理装置 |
| JP58021744A Pending JPS58161153A (ja) | 1973-02-20 | 1983-02-14 | 情報取扱い装置 |
| JP61120335A Pending JPS6224440A (ja) | 1973-02-20 | 1986-05-27 | デイスクに標識を記録する装置 |
| JP61120336A Pending JPS6224441A (ja) | 1973-02-20 | 1986-05-27 | デイスクに標識を記録する方法 |
Country Status (7)
| Country | Link |
|---|---|
| JP (12) | JPS502415A (de) |
| CA (1) | CA1013854A (de) |
| DE (6) | DE2462831C2 (de) |
| FR (6) | FR2218612B1 (de) |
| GB (1) | GB1462791A (de) |
| IT (1) | IT1008245B (de) |
| NL (5) | NL7402289A (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54128703A (en) * | 1978-03-27 | 1979-10-05 | Mca Disco Vision | Device for recording modulated electric signal |
| JPS54128704A (en) * | 1978-03-27 | 1979-10-05 | Mca Disco Vision | Device for storing video information |
| 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 |
| JPS61184741A (ja) * | 1985-02-12 | 1986-08-18 | Fujitsu Ltd | 光学的記録再生装置 |
| JPH04364235A (ja) * | 1991-11-01 | 1992-12-16 | Hitachi Ltd | 光情報記録再生方法 |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1074005A (en) * | 1975-03-10 | 1980-03-18 | James T. Russell | Recording and playback system |
| AU520835B2 (en) * | 1977-03-24 | 1982-03-04 | World Development Laboratories | Optical recording system and method |
| NL7802860A (nl) * | 1978-03-16 | 1979-09-18 | Philips Nv | Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen. |
| EP0044603B1 (de) * | 1978-03-27 | 1985-07-10 | Discovision Associates | Gerät und Verfahren zum Schreiben einer Informationsspur auf einer Scheibe |
| JPS54146613A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Ltd | Optical head |
| DK153610C (da) * | 1978-09-22 | 1988-12-12 | Discovision Ass | Fremgangsmaade til skrivning af et informationsspor paa en plade |
| DK153609C (da) * | 1978-09-22 | 1988-12-19 | Discovision Ass | Fremgangsmaade og apparat til skrivning af et signalinformationsspor paa en plade |
| CH636467A5 (en) * | 1978-10-17 | 1983-05-31 | Mca Disco Vision | Method and device for recording a modulated electrical signal |
| BE871326A (fr) * | 1978-10-23 | 1979-04-17 | Mca Disco Vision | Procede et dispositif d'enregistrement et de reproduction d'un signal video. |
| JPS605926B2 (ja) * | 1978-11-22 | 1985-02-14 | 三菱電機株式会社 | 光変調装置 |
| GB2040539B (en) * | 1978-12-27 | 1983-01-26 | Hitachi Ltd | Optical information recording apparatus |
| US4264986A (en) * | 1979-03-12 | 1981-04-28 | Willis Craig I | Information-recording process & apparatus |
| FR2453426A1 (fr) * | 1979-04-03 | 1980-10-31 | Thomson Csf | Modulateur d'intensite lumineuse en optique integree et circuit optique integre comportant un tel modulateur |
| FR2462758A1 (fr) * | 1979-08-03 | 1981-02-13 | Thomson Csf | Dispositif optique d'acces a une piste portee par un support d'information et systeme de memoire optique comportant un tel dispositif |
| JPS5668935A (en) * | 1979-10-22 | 1981-06-09 | Discovision Ass | Device for recording dataasignal on movable optical recording medium |
| DE2949813C2 (de) * | 1979-12-11 | 1987-04-30 | Bts-Systementwicklungs Gmbh, 1000 Berlin | Vorrichtung zur Aufzeichnung von in elektrischen Signalen vorliegenden Bild- und Toninformationen auf einer Bildplatte |
| NL8101932A (nl) * | 1981-04-21 | 1982-11-16 | Philips Nv | Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager. |
| US4574371A (en) * | 1982-02-20 | 1986-03-04 | Olympus Optical Company Limited | Apparatus for recording and reproducing information on an optical disc |
| JPS58147823A (ja) * | 1982-02-25 | 1983-09-02 | Mitsubishi Electric Corp | トラツクずれ検出装置 |
| CA1201010A (en) * | 1982-08-23 | 1986-02-25 | Daniel G. Murray | Flavorings for sodium chloride substitutes |
| JPS5936338A (ja) * | 1982-08-24 | 1984-02-28 | Matsushita Electric Ind Co Ltd | 光デイスク記録再生方法 |
| NL8300133A (nl) * | 1983-01-14 | 1984-08-01 | Philips Nv | Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie. |
| DE3303038C1 (de) * | 1983-01-29 | 1983-11-24 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zum Betreiben einer Filteranlage zur Reinigung von Luft- oder Gasströmen und Wanderbettfilteranlage zur Durchführung des Verfahrens |
| JPS59191149A (ja) * | 1983-04-14 | 1984-10-30 | Sanyo Electric Co Ltd | 光学記録制御機構 |
| JPS59209042A (ja) * | 1983-05-12 | 1984-11-27 | Yaskawa Electric Mfg Co Ltd | スキユ−を有する回転電機積層鉄心の製造方法 |
| JPS6096157A (ja) * | 1983-10-31 | 1985-05-29 | Matsushita Electric Ind Co Ltd | かご形誘導電動機の回転子 |
| JPS6129421A (ja) * | 1984-06-15 | 1986-02-10 | Olympus Optical Co Ltd | 光学式記録媒体の欠陥検出方法 |
| JPS61109239A (ja) * | 1984-11-01 | 1986-05-27 | 松下電工株式会社 | 接点開閉装置 |
| US4667256A (en) * | 1985-11-25 | 1987-05-19 | Eastman Kodak Company | Circuit for electro-optic modulators |
| JPS62252876A (ja) * | 1986-04-23 | 1987-11-04 | 鹿島建設株式会社 | 冷凍庫 |
| JPH0614570B2 (ja) * | 1987-04-28 | 1994-02-23 | シャープ株式会社 | 光出力安定化方法および該方法に使用する光検出器 |
| JPH0262734A (ja) * | 1988-08-30 | 1990-03-02 | Hitachi Ltd | 分離形光ヘッド |
| US6141300A (en) | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
| US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
| DE4030970C2 (de) * | 1990-10-01 | 1996-07-11 | Blaupunkt Werke Gmbh | Verfahren zur Regelung der Lichtleistung einer Laserdiode zum Auslesen optischer Speicherplatten und Abspielgerät dazu |
| US5729511A (en) | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
| US5677899A (en) | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
| US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
| US6069857A (en) | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
| JPH04349236A (ja) * | 1991-05-27 | 1992-12-03 | Pioneer Electron Corp | 光ピックアップ装置 |
| JPH071764U (ja) * | 1993-06-11 | 1995-01-13 | ダイワ精工株式会社 | 魚釣用リールのドラグ力調節体 |
| JPH07185243A (ja) * | 1993-12-24 | 1995-07-25 | Nippon Spindle Mfg Co Ltd | 集塵装置 |
| US5748578A (en) | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
| US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
| US6091684A (en) | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
| US5920539A (en) | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
| US6049518A (en) * | 1995-08-31 | 2000-04-11 | Sanyo Electric Co., Ltd. | Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560994A (en) * | 1968-02-06 | 1971-02-02 | Bosch Gmbh Robert | Vaporizable recording medium |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2958258A (en) * | 1953-09-21 | 1960-11-01 | Technicolor Corp | Optical projection of beam controlled object fields |
| FR84703E (de) * | 1958-08-25 | 1965-07-12 | ||
| US3283310A (en) * | 1959-08-21 | 1966-11-01 | Gen Electric | Thermoplastic film tape recorder |
| US3234326A (en) * | 1960-12-23 | 1966-02-08 | Columbia Broadcasting Syst Inc | Film recording reproducing apparatus |
| US3350503A (en) * | 1962-03-21 | 1967-10-31 | Minnesota Mining & Mfg | Electron beam recording and reproducing system |
| US3361873A (en) * | 1962-05-07 | 1968-01-02 | Minnesota Mining & Mfg | Disc recording system |
| US3365706A (en) * | 1964-04-15 | 1968-01-23 | Gilbert W. King | Photo-optical data storage and retrieval system employing error detection and error location identification components |
| US3396266A (en) * | 1964-05-25 | 1968-08-06 | Ibm | Optical information read-out system |
| US3368209A (en) * | 1964-10-22 | 1968-02-06 | Honeywell Inc | Laser actuated curie point recording and readout system |
| US3444317A (en) * | 1965-11-03 | 1969-05-13 | Minnesota Mining & Mfg | Electron beam recorder with frame rate conversion |
| US3474457A (en) * | 1967-11-13 | 1969-10-21 | Precision Instr Co | Laser recording apparatus |
| US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
| US3657707A (en) * | 1969-03-17 | 1972-04-18 | Precision Instr Co | Laser recording system with both surface defect and data error checking |
| US3579145A (en) * | 1969-03-21 | 1971-05-18 | Bell Telephone Labor Inc | Modulator stabilization circuits |
| US3646568A (en) * | 1969-04-03 | 1972-02-29 | Rca Corp | Beam control system |
| US3696344A (en) * | 1970-02-19 | 1972-10-03 | Energy Conversion Devices Inc | Optical mass memory employing amorphous thin films |
| US3625617A (en) * | 1970-07-15 | 1971-12-07 | Honeywell Inc | Kerr effect read-out system for an optical memory |
| DE2048430B2 (de) * | 1970-10-02 | 1972-11-30 | Licentia Patent-Verwaltungs-GmbH, 6000 Prankfurt | Verfahren zur erzeugung von vorzugsweise mechanisch abtastbaren, reliefartigen vertiefungen oder erhebungen auf der oberflaeche eines informationstraegers |
| DE2113717C3 (de) * | 1971-03-22 | 1974-01-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Bild-Ton-Magnetbandgerät |
| US3715740A (en) * | 1971-08-30 | 1973-02-06 | Honeywell Inc | Optical mass memory |
| US3716845A (en) * | 1972-03-09 | 1973-02-13 | Honeywell Inc | Optical memory with interferometer tracking |
| AR198680A1 (es) * | 1972-09-02 | 1974-07-15 | Philips Nv | Aparato lector de un portador de grabacion sobre el cual esta grabada informacion en al menos una pista |
-
1973
- 1973-12-18 CA CA188,420A patent/CA1013854A/en not_active Expired
-
1974
- 1974-01-17 FR FR7401660A patent/FR2218612B1/fr not_active Expired
- 1974-01-24 DE DE2462831A patent/DE2462831C2/de not_active Expired
- 1974-01-24 DE DE742403408A patent/DE2403408C3/de not_active Expired
- 1974-01-24 DE DE2462835A patent/DE2462835C2/de not_active Expired
- 1974-01-24 DE DE2462833A patent/DE2462833C2/de not_active Expired
- 1974-01-24 DE DE2463376A patent/DE2463376C2/de not_active Expired
- 1974-01-24 DE DE2462834A patent/DE2462834C2/de not_active Expired
- 1974-01-26 JP JP49011369A patent/JPS502415A/ja active Pending
- 1974-02-15 GB GB702174A patent/GB1462791A/en not_active Expired
- 1974-02-19 NL NL7402289A patent/NL7402289A/xx not_active Application Discontinuation
- 1974-02-19 IT IT48443/74A patent/IT1008245B/it active
-
1978
- 1978-08-29 FR FR7824959A patent/FR2399089A1/fr active Granted
- 1978-08-29 FR FR7824956A patent/FR2399086A1/fr active Granted
- 1978-08-29 FR FR7824958A patent/FR2399088A1/fr active Granted
- 1978-08-29 FR FR7824957A patent/FR2399087A1/fr active Granted
- 1978-08-29 FR FR7824960A patent/FR2399090A1/fr active Granted
-
1979
- 1979-07-26 JP JP9434979A patent/JPS5525891A/ja active Granted
- 1979-07-26 JP JP9435079A patent/JPS5525892A/ja active Granted
- 1979-07-26 JP JP9434679A patent/JPS5525888A/ja active Granted
- 1979-07-26 JP JP9434779A patent/JPS5525889A/ja active Pending
- 1979-07-26 JP JP9434879A patent/JPS5525890A/ja active Granted
-
1982
- 1982-01-19 JP JP57005485A patent/JPS57147140A/ja active Granted
-
1983
- 1983-02-14 JP JP58021743A patent/JPS58161143A/ja active Pending
- 1983-02-14 JP JP58021742A patent/JPS58161159A/ja active Granted
- 1983-02-14 JP JP58021744A patent/JPS58161153A/ja active Pending
-
1986
- 1986-05-27 JP JP61120335A patent/JPS6224440A/ja active Pending
- 1986-05-27 JP JP61120336A patent/JPS6224441A/ja active Pending
-
1988
- 1988-03-30 NL NL8800808A patent/NL8800808A/nl not_active Application Discontinuation
- 1988-03-30 NL NL8800809A patent/NL8800809A/nl not_active Application Discontinuation
- 1988-03-30 NL NL8800806A patent/NL8800806A/nl not_active Application Discontinuation
- 1988-03-30 NL NL8800807A patent/NL8800807A/nl not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560994A (en) * | 1968-02-06 | 1971-02-02 | Bosch Gmbh Robert | Vaporizable recording medium |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323979B2 (de) * | 1978-03-27 | 1991-04-02 | Discovision Ass | |
| JPS54128704A (en) * | 1978-03-27 | 1979-10-05 | Mca Disco Vision | Device for storing video information |
| JPS621138A (ja) * | 1978-03-27 | 1987-01-07 | デイスコビジョン アソシエイツ | 情報信号のデイスク書込み方法 |
| JPS621140A (ja) * | 1978-03-27 | 1987-01-07 | ディスコビジョン アソシエイツ | 情報信号の書込装置 |
| JPS621139A (ja) * | 1978-03-27 | 1987-01-07 | デイスコビジョン アソシエイツ | 電気信号を貯蔵する装置 |
| JPS621126A (ja) * | 1978-03-27 | 1987-01-07 | デイスコビジヨン アソシエイツ | 情報担持記録体 |
| JPS621137A (ja) * | 1978-03-27 | 1987-01-07 | デイスコビジョン アソシエイツ | 電気情報信号を記録する装置 |
| JPS54128703A (en) * | 1978-03-27 | 1979-10-05 | Mca Disco Vision | Device for recording modulated electric signal |
| JPH0346893B2 (de) * | 1978-03-27 | 1991-07-17 | Discovision Ass | |
| JPH0863774A (ja) * | 1978-03-27 | 1996-03-08 | Discovision Assoc | 電気情報信号を記録する装置 |
| 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 |
| JPS61184741A (ja) * | 1985-02-12 | 1986-08-18 | Fujitsu Ltd | 光学的記録再生装置 |
| JPH04364235A (ja) * | 1991-11-01 | 1992-12-16 | Hitachi Ltd | 光情報記録再生方法 |