FR2312087A1 - Disque a memoire pour enregistrer et extraire des donnees et dispositif d'inscription et de lecture de donnees a enregistrer ou enregistrees sur le disque a memoire - Google Patents

Disque a memoire pour enregistrer et extraire des donnees et dispositif d'inscription et de lecture de donnees a enregistrer ou enregistrees sur le disque a memoire

Info

Publication number
FR2312087A1
FR2312087A1 FR7615388A FR7615388A FR2312087A1 FR 2312087 A1 FR2312087 A1 FR 2312087A1 FR 7615388 A FR7615388 A FR 7615388A FR 7615388 A FR7615388 A FR 7615388A FR 2312087 A1 FR2312087 A1 FR 2312087A1
Authority
FR
France
Prior art keywords
recorded
disc
memory
store
data entry
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
FR7615388A
Other languages
English (en)
Other versions
FR2312087B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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
Priority to DE19752522593 priority Critical patent/DE2522593C2/de
Priority to DE19762608715 priority patent/DE2608715C2/de
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of FR2312087A1 publication Critical patent/FR2312087A1/fr
Application granted granted Critical
Publication of FR2312087B1 publication Critical patent/FR2312087B1/fr
Expired 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/30Indexing; 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
    • G11B27/3027Indexing; 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 used signal is digitally coded
    • 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
    • G11B7/09Disposition 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
    • G11B7/0938Disposition 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
    • 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
    • G11B7/14Heads, 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/21Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215Recordable discs
    • G11B2220/218Write-once discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525Magneto-optical [MO] discs
FR7615388A 1975-05-22 1976-05-21 Expired FR2312087B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19752522593 DE2522593C2 (fr) 1975-05-22 1975-05-22
DE19762608715 DE2608715C2 (fr) 1976-03-03 1976-03-03

Publications (2)

Publication Number Publication Date
FR2312087A1 true FR2312087A1 (fr) 1976-12-17
FR2312087B1 FR2312087B1 (fr) 1979-07-27

Family

ID=25768928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615388A Expired FR2312087B1 (fr) 1975-05-22 1976-05-21

Country Status (7)

Country Link
US (1) US4094013A (fr)
JP (1) JPS608530B2 (fr)
CA (1) CA1077620A (fr)
FR (1) FR2312087B1 (fr)
GB (1) GB1551327A (fr)
IT (1) IT1060627B (fr)
SE (1) SE415305B (fr)

Cited By (12)

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Publication number Priority date Publication date Assignee Title
FR2344918A1 (fr) * 1976-03-19 1977-10-14 Rca Corp Dispositif d'asservissement de piste pour appareil d'enregistrement et de reproduction de videodisque
FR2383500A1 (fr) * 1977-03-09 1978-10-06 Philips Nv OPTICAL MEMORY ADDRESSED BY MECHANICAL ROUTE
FR2462747A1 (fr) * 1979-07-30 1981-02-13 Atlantic Richfield Co Support d'informations possedant une information de code d'identification entre pistes
FR2474221A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Dispositif optique d'enregistrement-lecture de supports d'information et systeme de memoire optique comportant un tel systeme
FR2504765A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee
FR2511537A1 (fr) * 1981-08-14 1983-02-18 Thomson Csf Dispositif optique de suivi de piste a echantillonnage
EP0073921A2 (fr) * 1981-09-04 1983-03-16 Hitachi, Ltd. Méthode pour détecter un signal de commande d'un spot lumineux
FR2517103A1 (fr) * 1981-11-25 1983-05-27 Hitachi Ltd Appareil d'enregistrement et de reproduction d'informations
FR2542905A1 (fr) * 1983-03-19 1984-09-21 Sony Corp Tourne-disque comportant une fonction de recherche automatique d'un morceau de musique
EP0147065A2 (fr) * 1983-11-25 1985-07-03 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement optique et appareil d'enregistrement et de reprodcution pour sa mise en oeuvre
EP0244005A1 (fr) * 1986-04-21 1987-11-04 Philips Electronics N.V. Méthode pour balayer la surface d'enregistrement sensible au rayonnement d'un porteur en forme de disque tournant au moyen d'un faisceau de rayonnement modulé et appareil d'enregistrement pour mettre en oeuvre cette méthode
EP0278760A2 (fr) * 1987-02-13 1988-08-17 Olympus Optical Co., Ltd. Carte optique et appareil pour écrire et lire des données sur la carte

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FR2337472B1 (fr) * 1975-12-29 1981-07-31 Telediffusion Fse
FR2366636B1 (fr) * 1976-10-01 1980-02-08 Thomson Brandt
FR2396379B1 (fr) * 1977-07-01 1981-05-22 Thomson Brandt
US4205338A (en) * 1977-11-03 1980-05-27 Laser File Inc. Disc recording tracking system
JPS5733605B2 (fr) * 1977-11-04 1982-07-17
NL187413C (en) * 1978-03-16 1991-09-16 Philips Nv Registration carrier, registration carrier, method for registration carrier body and device for carrying out a method and reading a registrated carrier.
CA1165871A (fr) * 1978-11-08 1984-04-17 Kornelis Bulthuis Support d'enregistrement optique
NL7810462A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
NL7810463A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur.
JPS5936347B2 (fr) * 1978-12-11 1984-09-03 Victor Company Of Japan
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
US4330879A (en) * 1979-10-18 1982-05-18 Rca Corporation Adaptive stylus kicker using disc track and disc sector information
US4412319A (en) * 1979-10-18 1983-10-25 Rca Corporation Video disc player with self calibrating stylus translator
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.
US4408314A (en) * 1980-02-29 1983-10-04 Tokyo Shibaura Denki Kabushiki Kaisha Record/playback track tracking servo
CA1147858A (fr) * 1980-07-16 1983-06-07 Discovision Associates Systeme d'enregistrement de donnees numeriques a modulation de la duree d'impulsion
US5577015A (en) * 1980-07-16 1996-11-19 Discovision Associates System for recording digital information in a pulse-length modulation
US5003526A (en) * 1980-07-16 1991-03-26 Discovision Associates System for recording digital information in a pulse-length modulation format
US5553047A (en) * 1980-07-16 1996-09-03 Discovision Associates System for recording digital information in a pulse-length modulation format
US5084852A (en) * 1980-07-16 1992-01-28 Discovision Associates System for recording digital information in a pulse-length modulation format
US5253244A (en) * 1980-07-16 1993-10-12 Discovision Associates System for recording digital information in a pulse-length modulation format
US4386375A (en) * 1980-09-24 1983-05-31 Rca Corporation Video disc player with multiple signal recovery transducers
US4692913A (en) * 1980-11-26 1987-09-08 News Log International, Inc. Method and apparatus for reading a data record carrier
JPH0263259B2 (fr) * 1980-12-16 1990-12-27 Matsushita Electric Ind Co Ltd
US5119363A (en) * 1980-12-17 1992-06-02 Matsushita Electric Industrial Company, Ltd. Optical disk having an index mark
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
JPS6218975B2 (fr) * 1981-07-16 1987-04-25 Mitsubishi Electric Corp
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
US4443870A (en) * 1981-10-15 1984-04-17 Burroughs Corporation Optical memory system providing track following
US4535439A (en) * 1981-12-01 1985-08-13 Matsushita Electric Industrial Co., Ltd. Optical having index mark and sector mark
JPH05797B2 (fr) * 1981-12-11 1993-01-06 Victor Company Of Japan
US4428075A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Methods of preformatting an optical disk
US4475132A (en) * 1982-01-22 1984-10-02 Rodesch Dale F Interactive video disc systems
US4706117A (en) * 1984-06-01 1987-11-10 Arnold Schoolman Stereo laser disc viewing system
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
USRE32937E (en) * 1982-03-19 1989-05-30 Magnetic Peripherals, Inc. Modulation system for optical recording
US4456981A (en) * 1982-03-19 1984-06-26 Magnetic Peripherals Inc. Modulation system for optical recording
US4751692A (en) * 1982-04-15 1988-06-14 Discovision Associates Method and apparatus for recovering information from a videodisc
FR2528605B1 (fr) * 1982-06-15 1987-11-20 Thomson Csf Procede et dispositif optique de focalisation d'un faisceau d'energie lumineuse sur un plan de reference d'un support d'information ainsi que ce support
US4805162A (en) * 1982-11-01 1989-02-14 Storage Technology Partners Ii Fine and coarse servo system for access and tracking on an optical disk
WO1984003583A1 (fr) * 1983-03-07 1984-09-13 Storage Technology Partners Systeme de detection de la position de rotation d'un disque rotatif ayant des pistes de recherches grossieres
WO1984004990A1 (fr) * 1983-06-07 1984-12-20 Storage Technology Partners Systeme et procede d'organisation et d'exploitation des donnees stockees sur un disque a informations
JPH0812743B2 (ja) * 1983-06-30 1996-02-07 株式会社東芝 ディスク装置
JPH0634304B2 (ja) * 1983-09-01 1994-05-02 ソニー株式会社 デイスク再生装置
US4567532A (en) * 1983-09-16 1986-01-28 Sanders Associates, Inc. Selectable view video record/playback system
WO1985001382A1 (fr) * 1983-09-19 1985-03-28 Storage Technology Partners Ii Stockage optique de donnees numeriques
WO1985001381A1 (fr) * 1983-09-19 1985-03-28 Storage Technology Partners Ii Disque d'enregistrement d'informations de diagnostic preformate
US4538069A (en) * 1983-10-28 1985-08-27 Control Data Corporation Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus
US4672600A (en) * 1983-11-28 1987-06-09 Northern Telecom Limited Optical disc having protective cover
JPS60177404A (en) * 1984-02-23 1985-09-11 Toshiba Corp Disk device
EP0164061B1 (fr) * 1984-06-01 1989-05-17 Matsushita Electric Industrial Co., Ltd. Disque optique exclusivement de reproduction
JPH0619863B2 (ja) * 1984-06-13 1994-03-16 株式会社日立製作所 光磁気情報記憶方法及び装置
US4740941A (en) * 1984-07-06 1988-04-26 Storage Technology Partners 11 System for aligning sector marks with data in a disk storage system
EP0177737A3 (en) * 1984-08-28 1988-07-06 Fuji Photo Film Co., Ltd. Optical memory disk and track access therefor
JPH0576717B2 (fr) * 1985-01-21 1993-10-25 Matsushita Electric Ind Co Ltd
US4813011A (en) * 1985-05-13 1989-03-14 International Business Machines Corporation Data processing peripheral subsystems having a controller and a plurality of peripheral devices
US4841502A (en) * 1985-06-14 1989-06-20 Kabushiki Kaisha Toshiba Information recording system and reproducing for recording and reproducing information on a magneto-optical disk
US4949331A (en) * 1985-06-19 1990-08-14 Hitachi, Ltd. Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus
JPH0514970B2 (fr) * 1985-11-07 1993-02-26 Teac Corp
JPH0580752B2 (fr) * 1985-11-15 1993-11-10 Teac Corp
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
NL8600934A (nl) * 1986-04-14 1987-11-02 Optical Storage Int Optische registratiedrager en inrichting voor het uitlezen van de registratiedrager.
US4937810A (en) * 1986-04-23 1990-06-26 Drexler Technology Corporation Optical recording tape with continuous prerecorded tracks
US4957580A (en) * 1986-04-23 1990-09-18 Drexler Technology Corp. Method for making an optical data card
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US5034914A (en) * 1986-05-15 1991-07-23 Aquidneck Systems International, Inc. Optical disk data storage method and apparatus with buffered interface
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US5214635A (en) * 1987-02-27 1993-05-25 Matsushita Electric Industrial Co., Ltd. Erasable optical disk and optical information recording/reproduction apparatus
KR910008503B1 (ko) * 1987-03-13 1991-10-18 시기 모리야 광 디스크
GB8708166D0 (en) * 1987-04-06 1987-05-13 Morse Controls Remote control mechanisms
US5020040A (en) * 1987-06-24 1991-05-28 Digital Equipment Corporation Overwriting system for magneto-optical recording with self timing track
US4814903A (en) * 1987-06-29 1989-03-21 International Business Machines Corporation Alternate storage areas in magnetooptical media
GB8906353D0 (en) * 1989-03-20 1989-05-04 Dewar Productions Inc Semi-timing optic lathe
JPH0386944A (en) * 1989-05-15 1991-04-11 Seiko Epson Corp Optical information recording medium
JPH03201266A (en) * 1989-12-27 1991-09-03 Victor Co Of Japan Ltd Draw type information recording medium and its recording device
US5210660A (en) * 1990-01-17 1993-05-11 International Business Machines Corporation Sectored servo independent of data architecture
JPH04301222A (en) * 1991-03-28 1992-10-23 Toshiba Corp Disk reproducing device
HU216680B (hu) * 1991-04-02 1999-08-30 Koninklijke Philips Electronics N.V. Információhordozó, ahhoz való olvasóberendezés, valamint eljárás és rögzítőberendezés információknak az információhordozóra való felírására
US5341356A (en) * 1991-04-02 1994-08-23 U.S. Philips Corporation Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier
US5878019A (en) * 1991-04-02 1999-03-02 U.S. Philips Corporation Record carrier having at least two information volumes
JPH1196673A (ja) * 1997-09-18 1999-04-09 Fujitsu Ltd 情報記録媒体の記録再生装置及び情報記録媒体
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344918A1 (fr) * 1976-03-19 1977-10-14 Rca Corp Dispositif d'asservissement de piste pour appareil d'enregistrement et de reproduction de videodisque
FR2383500A1 (fr) * 1977-03-09 1978-10-06 Philips Nv OPTICAL MEMORY ADDRESSED BY MECHANICAL ROUTE
FR2462747A1 (fr) * 1979-07-30 1981-02-13 Atlantic Richfield Co Support d'informations possedant une information de code d'identification entre pistes
FR2474221A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Dispositif optique d'enregistrement-lecture de supports d'information et systeme de memoire optique comportant un tel systeme
EP0033052A1 (fr) * 1980-01-23 1981-08-05 Thomson-Csf Dispositif optique d'enregistrement-lecture de supports d'information et système de mémoire optique comportant un tel dispositif
FR2504765A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee
EP0064438A1 (fr) * 1981-04-27 1982-11-10 Thomson-Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'information du type comportant une piste prégravée
US4535431A (en) * 1981-08-14 1985-08-13 Thomson-Csf Optical track follower device with sampling
EP0072723A1 (fr) * 1981-08-14 1983-02-23 Thomson-Csf Dispositif optique de suivi de piste à échantillonnage
FR2511537A1 (fr) * 1981-08-14 1983-02-18 Thomson Csf Dispositif optique de suivi de piste a echantillonnage
EP0073921A2 (fr) * 1981-09-04 1983-03-16 Hitachi, Ltd. Méthode pour détecter un signal de commande d'un spot lumineux
EP0073921A3 (en) * 1981-09-04 1984-11-14 Hitachi, Ltd. Method of detecting light spot control signal
FR2517103A1 (fr) * 1981-11-25 1983-05-27 Hitachi Ltd Appareil d'enregistrement et de reproduction d'informations
US4564929A (en) * 1981-11-25 1986-01-14 Hitachi, Ltd. Information recording and reproducing apparatus with tracking control by sampling
FR2542905A1 (fr) * 1983-03-19 1984-09-21 Sony Corp Tourne-disque comportant une fonction de recherche automatique d'un morceau de musique
EP0147065A2 (fr) * 1983-11-25 1985-07-03 Matsushita Electric Industrial Co., Ltd. Milieu d'enregistrement optique et appareil d'enregistrement et de reprodcution pour sa mise en oeuvre
EP0147065A3 (en) * 1983-11-25 1988-01-07 Matsushita Electric Industrial Co., Ltd. Optical recording medium and recording and reproducing apparatus therefor
EP0244005A1 (fr) * 1986-04-21 1987-11-04 Philips Electronics N.V. Méthode pour balayer la surface d'enregistrement sensible au rayonnement d'un porteur en forme de disque tournant au moyen d'un faisceau de rayonnement modulé et appareil d'enregistrement pour mettre en oeuvre cette méthode
US4794584A (en) * 1986-04-21 1988-12-27 U.S. Philips Corporation Method and apparatus for scanning the recording surface of a rotating disc-shaped record carrier
EP0278760A2 (fr) * 1987-02-13 1988-08-17 Olympus Optical Co., Ltd. Carte optique et appareil pour écrire et lire des données sur la carte
EP0278760A3 (en) * 1987-02-13 1990-05-02 Olympus Optical Co., Ltd. Optical card and apparatus for writing and/or reading data thereon
US5113061A (en) * 1987-02-13 1992-05-12 Olympus Optical Co., Ltd. Optical card having an identifier for identifying track construction and apparatus for writing and/or reading data on and/or from the optical card

Also Published As

Publication number Publication date
US4094013A (en) 1978-06-06
IT1060627B (it) 1982-08-20
SE7605648L (sv) 1976-11-23
CA1077620A1 (fr)
GB1551327A (en) 1979-08-30
JPS51146803A (en) 1976-12-16
JPS608530B2 (fr) 1985-03-04
FR2312087B1 (fr) 1979-07-27
SE415305B (sv) 1980-09-22
CA1077620A (fr) 1980-05-13

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