JPS5525888A - Method and device for recording information - Google Patents

Method and device for recording information

Info

Publication number
JPS5525888A
JPS5525888A JP9434679A JP9434679A JPS5525888A JP S5525888 A JPS5525888 A JP S5525888A JP 9434679 A JP9434679 A JP 9434679A JP 9434679 A JP9434679 A JP 9434679A JP S5525888 A JPS5525888 A JP S5525888A
Authority
JP
Japan
Prior art keywords
recording information
recording
information
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
Application number
JP9434679A
Other languages
English (en)
Other versions
JPS5732411B2 (ja
Inventor
Shiimuua Uinsurou Jiyoon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Discovision Associates
Original Assignee
MCA Discovision Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MCA Discovision Inc filed Critical MCA Discovision Inc
Publication of JPS5525888A publication Critical patent/JPS5525888A/ja
Publication of JPS5732411B2 publication Critical patent/JPS5732411B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/128Modulators
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/03Devices 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
    • G02F1/0327Operation of the cell; Circuit arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1608Error detection by comparing the output signals of redundant hardware
    • G06F11/1612Error detection by comparing the output signals of redundant hardware where the redundant component is persistent storage
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02Analogue recording or reproducing
    • G11B20/06Angle-modulation recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/22Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition 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
    • G11B7/08547Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C13/00Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04Digital 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
    • G11C13/048Digital 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)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Quality & Reliability (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)
JP9434679A 1973-02-20 1979-07-26 Method and device for recording information Granted JPS5525888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33356073A 1973-02-20 1973-02-20

Publications (2)

Publication Number Publication Date
JPS5525888A true JPS5525888A (en) 1980-02-23
JPS5732411B2 JPS5732411B2 (ja) 1982-07-10

Family

ID=23303311

Family Applications (12)

Application Number Title Priority Date Filing Date
JP49011369A Pending JPS502415A (ja) 1973-02-20 1974-01-26
JP9434679A Granted JPS5525888A (en) 1973-02-20 1979-07-26 Method and device for recording information
JP9435079A Granted JPS5525892A (en) 1973-02-20 1979-07-26 Device for monitoring stored information in video disk and method thereof
JP9434979A Granted JPS5525891A (en) 1973-02-20 1979-07-26 Photo converter stabilizer in video information recording device and method thereof
JP9434879A Granted JPS5525890A (en) 1973-02-20 1979-07-26 Video information processor and regeneration thereof
JP9434779A Pending JPS5525889A (en) 1973-02-20 1979-07-26 Video information signal regeneration optical system and method thereof
JP57005485A Granted JPS57147140A (en) 1973-02-20 1982-01-19 Recording information monitoring apparatus
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
JP58021743A Pending JPS58161143A (ja) 1973-02-20 1983-02-14 情報を格納する装置
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 Before (1)

Application Number Title Priority Date Filing Date
JP49011369A Pending JPS502415A (ja) 1973-02-20 1974-01-26

Family Applications After (10)

Application Number Title Priority Date Filing Date
JP9435079A Granted JPS5525892A (en) 1973-02-20 1979-07-26 Device for monitoring stored information in video disk and method thereof
JP9434979A Granted JPS5525891A (en) 1973-02-20 1979-07-26 Photo converter stabilizer in video information recording device and method thereof
JP9434879A Granted JPS5525890A (en) 1973-02-20 1979-07-26 Video information processor and regeneration thereof
JP9434779A Pending JPS5525889A (en) 1973-02-20 1979-07-26 Video information signal regeneration optical system and method thereof
JP57005485A Granted JPS57147140A (en) 1973-02-20 1982-01-19 Recording information monitoring apparatus
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
JP58021743A Pending JPS58161143A (ja) 1973-02-20 1983-02-14 情報を格納する装置
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 (ja)
CA (1) CA1013854A (ja)
DE (6) DE2403408C3 (ja)
FR (6) FR2218612B1 (ja)
GB (1) GB1462791A (ja)
IT (1) IT1008245B (ja)
NL (5) NL7402289A (ja)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225873A (en) * 1978-03-27 1980-09-30 Mca Disco-Vision, Inc. Recording and playback system
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.
NL7901228A (nl) * 1978-03-27 1979-10-01 Mca Disco Vision Moedermachine.
EP0005316A1 (en) * 1978-03-27 1979-11-14 Discovision Associates Optical apparatus and process for recording information and record carrier formed by this apparatus; optical apparatus for retrieving the recorded information
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
DK153609C (da) * 1978-09-22 1988-12-19 Discovision Ass Fremgangsmaade og apparat til skrivning af et signalinformationsspor paa en plade
DK153610C (da) * 1978-09-22 1988-12-12 Discovision Ass Fremgangsmaade til skrivning af et informationsspor paa en plade
CH636212A5 (en) * 1978-10-17 1983-05-13 Mca Disco Vision Medium carrying recorded information
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
US4517667A (en) * 1982-06-10 1985-05-14 Xerox Corporation Direct read after write optical disk system
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
JPS61184741A (ja) * 1985-02-12 1986-08-18 Fujitsu Ltd 光学的記録再生装置
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
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
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
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
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
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
JPH04349236A (ja) * 1991-05-27 1992-12-03 Pioneer Electron Corp 光ピックアップ装置
JP2555239B2 (ja) * 1991-11-01 1996-11-20 株式会社日立製作所 光情報記録再生方法
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
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
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
US5748578A (en) 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474457A (en) * 1967-11-13 1969-10-21 Precision Instr Co Laser recording apparatus

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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
NL243565A (ja) * 1958-08-25 1900-01-01
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
DE1574687B2 (de) * 1968-02-06 1978-08-10 Robert Bosch Gmbh, 7000 Stuttgart Aufzeichnungsträger für Informationen
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474457A (en) * 1967-11-13 1969-10-21 Precision Instr Co Laser recording apparatus

Also Published As

Publication number Publication date
JPS6235170B2 (ja) 1987-07-31
JPS5525891A (en) 1980-02-23
JPS5732411B2 (ja) 1982-07-10
FR2399087B1 (ja) 1982-12-03
FR2399088A1 (fr) 1979-02-23
JPS5732412B2 (ja) 1982-07-10
DE2462835C2 (de) 1983-03-24
CA1013854A (en) 1977-07-12
JPS5525890A (en) 1980-02-23
JPS6224440A (ja) 1987-02-02
JPS58161143A (ja) 1983-09-24
FR2399087A1 (fr) 1979-02-23
NL8800807A (nl) 1988-07-01
FR2399086B1 (ja) 1982-12-03
JPS57147140A (en) 1982-09-10
FR2218612A1 (ja) 1974-09-13
JPS5525889A (en) 1980-02-23
FR2399089B1 (ja) 1982-12-03
NL8800806A (nl) 1988-07-01
GB1462791A (en) 1977-01-26
JPS6224441A (ja) 1987-02-02
DE2462831C2 (de) 1983-03-24
DE2403408A1 (de) 1974-08-29
FR2399088B1 (ja) 1982-12-03
NL7402289A (ja) 1974-08-22
NL8800809A (nl) 1988-07-01
DE2462834C2 (de) 1988-08-18
FR2399089A1 (fr) 1979-02-23
FR2399090A1 (fr) 1979-02-23
NL8800808A (nl) 1988-07-01
JPS502415A (ja) 1975-01-11
JPS58161153A (ja) 1983-09-24
IT1008245B (it) 1976-11-10
JPS58161159A (ja) 1983-09-24
JPS6338771B2 (ja) 1988-08-02
FR2399086A1 (fr) 1979-02-23
JPS5736649B2 (ja) 1982-08-05
JPS571052B2 (ja) 1982-01-09
FR2218612B1 (ja) 1980-03-07
FR2399090B1 (ja) 1982-12-03
DE2403408B2 (de) 1978-06-29
DE2462833C2 (de) 1983-02-10
DE2403408C3 (de) 1979-03-01
JPS5525892A (en) 1980-02-23
DE2463376C2 (de) 1985-10-17

Similar Documents

Publication Publication Date Title
JPS5525888A (en) Method and device for recording information
CA1014266A (en) Method and apparatus for recording and retrieving information
JPS5216938A (en) Method and device for recording data
GB1552008A (en) Information reproducing apparatus
AU469718B2 (en) Method and apparatus for recording
HK5781A (en) Magnetic recording and/or reproducing apparatus
CA985500A (en) Method for imaging and for recording information
CA1007381A (en) Record reading apparatus
CA1031456A (en) Recording and/or reproducing device
GB1408753A (en) Apparatus for recording information
JPS5241534A (en) Resersible data recording method
CA1012649A (en) Information recording apparatus
CA1001674A (en) Record reading apparatus
ZA744802B (en) Magnetic recording and/or reproducing apparatus
CA1004363A (en) Method and means for reading numerals
ZA711483B (en) Method and apparatus for thermomagnetically recording or displaying information
CA958067A (en) Electrographic recording method and device for performing this method
GB1416897A (en) Method and apparatus for reproducing documents
ZA715197B (en) Method and apparatus for recording and retrieving information
SU600579A1 (ru) Устройство дл регистрации информации
CA938650A (en) Electrographic recording and method and apparatus
JPS5260606A (en) Information recording system
CA1025999A (en) Method and apparatus for recording data
IL43178A0 (en) Moving-picture-carrying record and apparatus for projecting same
HK27877A (en) Recording or playback apparatus