FR2349191A1 - Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations - Google Patents

Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations

Info

Publication number
FR2349191A1
FR2349191A1 FR7612067A FR7612067A FR2349191A1 FR 2349191 A1 FR2349191 A1 FR 2349191A1 FR 7612067 A FR7612067 A FR 7612067A FR 7612067 A FR7612067 A FR 7612067A FR 2349191 A1 FR2349191 A1 FR 2349191A1
Authority
FR
France
Prior art keywords
access device
disc reader
reader including
automatic
optical 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
FR7612067A
Other languages
English (en)
Other versions
FR2349191B1 (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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7612067A priority Critical patent/FR2349191A1/fr
Priority to US05/788,923 priority patent/US4106058A/en
Priority to CS772622A priority patent/CS254952B2/cs
Priority to NLAANVRAGE7704296,A priority patent/NL183909C/xx
Priority to GB16513/77A priority patent/GB1573031A/en
Priority to IT49084/77A priority patent/IT1086888B/it
Priority to CA276,825A priority patent/CA1093691A/fr
Priority to DE2718092A priority patent/DE2718092C2/de
Priority to JP4666777A priority patent/JPS52152704A/ja
Priority to SU772472886A priority patent/SU929021A3/ru
Priority to PL1977197576A priority patent/PL115268B1/pl
Publication of FR2349191A1 publication Critical patent/FR2349191A1/fr
Application granted granted Critical
Publication of FR2349191B1 publication Critical patent/FR2349191B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/022—Programmed access in sequence to indexed parts of operating record carriers
    • 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
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • G11B27/3027—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 used signal is digitally coded
    • 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
    • G11B27/3027—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 used signal is digitally coded
    • G11B27/3036—Time code signal
    • G11B27/3054—Vertical Interval Time code [VITC]
    • 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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
FR7612067A 1976-04-23 1976-04-23 Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations Granted FR2349191A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7612067A FR2349191A1 (fr) 1976-04-23 1976-04-23 Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations
US05/788,923 US4106058A (en) 1976-04-23 1977-04-19 Data disc optical reader containing a device for automatic data access
NLAANVRAGE7704296,A NL183909C (nl) 1976-04-23 1977-04-20 Optische leesinrichting.
GB16513/77A GB1573031A (en) 1976-04-23 1977-04-20 Data disc otical reader containing a device for automatic data access
CS772622A CS254952B2 (en) 1976-04-23 1977-04-20 Information disk's optical reader
CA276,825A CA1093691A (fr) 1976-04-23 1977-04-22 Lecteur optique de disques de donnees a dispositif d'acces automatique aux donnees
IT49084/77A IT1086888B (it) 1976-04-23 1977-04-22 Lettore ottico di disco di informazione comportante un dispositivo d'accesso automatico alle informazioni
DE2718092A DE2718092C2 (de) 1976-04-23 1977-04-22 Lesegerät zum Auslesen von optischen Informationsspeicherplatten
JP4666777A JPS52152704A (en) 1976-04-23 1977-04-22 Optical data disk reader
SU772472886A SU929021A3 (ru) 1976-04-23 1977-04-22 Устройство дл поиска информации,записанной на диске
PL1977197576A PL115268B1 (en) 1976-04-23 1977-04-23 Optical reader of information carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7612067A FR2349191A1 (fr) 1976-04-23 1976-04-23 Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations

Publications (2)

Publication Number Publication Date
FR2349191A1 true FR2349191A1 (fr) 1977-11-18
FR2349191B1 FR2349191B1 (fr) 1982-03-19

Family

ID=9172241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612067A Granted FR2349191A1 (fr) 1976-04-23 1976-04-23 Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations

Country Status (11)

Country Link
US (1) US4106058A (fr)
JP (1) JPS52152704A (fr)
CA (1) CA1093691A (fr)
CS (1) CS254952B2 (fr)
DE (1) DE2718092C2 (fr)
FR (1) FR2349191A1 (fr)
GB (1) GB1573031A (fr)
IT (1) IT1086888B (fr)
NL (1) NL183909C (fr)
PL (1) PL115268B1 (fr)
SU (1) SU929021A3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007199A1 (fr) * 1978-06-30 1980-01-23 Discovision Associates Procédé et dispositif d'exploration d'un porteur d'enregistrement lisible par voie optique
FR2466078A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre
FR2466081A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Dispositif de mesure de vitesse d'un systeme mobile par rapport a un support d'informations
FR2470504A1 (fr) * 1979-11-26 1981-05-29 Atlantic Richfield Co Procede et systeme de changement de pistes video
FR2488030A1 (fr) * 1980-07-29 1982-02-05 Victor Company Of Japan Appareil de reproduction a support d'enregistrement rotatif
FR2490386A1 (fr) * 1980-09-12 1982-03-19 Victor Company Of Japan Dispositif de commande de transfert pour un transducteur de reproduction d'appareils de reproduction de supports d'enregistrement rotatifs
FR2490859A1 (fr) * 1980-09-22 1982-03-26 Victor Company Of Japan Appareil de reproduction de support d'enregistrement tournant mettant un systeme de commande de suivi de piste dans un etat de non-fonctionnement lorsque le suivi de piste d'un element de reproduction n'est pas necessaire
EP0080212A1 (fr) * 1981-11-25 1983-06-01 Hitachi, Ltd. Appareil de mémoire optique
US4506355A (en) * 1981-08-24 1985-03-19 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
WO1985004042A1 (fr) * 1984-03-01 1985-09-12 Index Data Programmes Limited Procede ameliore de stockage et d'extraction d'informations stockees sur des supports video
FR2561424A1 (fr) * 1983-11-30 1985-09-20 Pioneer Electronic Corp Appareil de positionnement du lecteur d'un appareil de lecture de donnees
EP0181436A1 (fr) * 1978-06-30 1986-05-21 Discovision Associates Procédé et dispositif d'exploration d'un porteur d'enregistrement lisible par voie optique
EP0089549B1 (fr) * 1982-03-15 1987-01-21 Kabushiki Kaisha Toshiba Appareil à disque optique
USRE32574E (en) * 1978-06-30 1988-01-05 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376486A1 (fr) * 1977-01-04 1978-07-28 Thomson Brandt Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
JPS5913101B2 (ja) * 1977-12-16 1984-03-27 株式会社日立製作所 ランダムアクセス方法
JPS6048055B2 (ja) * 1977-12-29 1985-10-25 松下電器産業株式会社 検索装置
USRE32709E (en) * 1978-03-27 1988-07-05 Discovision Associates Tracking system for video disc player
US4375091A (en) * 1978-06-30 1983-02-22 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.
US4271334A (en) * 1979-04-06 1981-06-02 Discovision Associates Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc
US4272793A (en) * 1979-06-04 1981-06-09 Texas Instruments Incorporated System and method for positioning a magnetic head transducer on a flexible storage media
JPS5611673A (en) * 1979-07-03 1981-02-05 Pioneer Video Corp Address information retrieval method in information recording medium reproducing unit
US4296491A (en) * 1979-07-30 1981-10-20 Atlantic Richfield Company Information carrier having inter-track identification code information
US4412319A (en) * 1979-10-18 1983-10-25 Rca Corporation Video disc player with self calibrating stylus translator
JPS573232A (en) * 1980-06-06 1982-01-08 Toshiba Corp Detecting method for track on optical disk
JPS573233A (en) * 1980-06-06 1982-01-08 Toshiba Corp Detecting method for track on optical disk
US4484319A (en) * 1980-09-19 1984-11-20 Matsushita Electric Industrial Co., Ltd. Apparatus for locating a track on disc-like optical information carriers
JPS5758249A (en) * 1980-09-24 1982-04-07 Olympus Optical Co Ltd Optical system recording and/or reproducing device
JPS5783555U (fr) * 1980-11-10 1982-05-24
JPS57186239A (en) * 1981-05-11 1982-11-16 Sony Corp Disc reproducing device
JPS57198586A (en) * 1981-05-28 1982-12-06 Sony Corp Digital disc reproducing device
US4486870A (en) * 1981-07-23 1984-12-04 Pettigrew Robert M Optical data storage
JPS5826331A (ja) * 1981-08-11 1983-02-16 Nippon Telegr & Teleph Corp <Ntt> 光学ヘツド
JPS5832274A (ja) * 1981-08-18 1983-02-25 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置のフイ−ド送り速度切換回路
JPS5850675A (ja) * 1981-09-18 1983-03-25 Victor Co Of Japan Ltd 円盤状情報記録媒体の情報記録信号トラツク検索方式
JPS58122676A (ja) * 1982-01-16 1983-07-21 Sony Corp デイスクのトラツク・ジヤンプ装置
US4443869A (en) * 1981-09-28 1984-04-17 Rca Corporation Track jump servo system for disc player
JPS5862868A (ja) * 1981-10-09 1983-04-14 Pioneer Video Corp 情報再生装置における高速アドレス情報探索方式
EP0495530B2 (fr) * 1981-10-28 1999-08-25 Discovision Associates Méthode pour la reproduction de l'information d'une piste choisie d'un disque d'enregistrement
CA1212729A (fr) * 1981-12-08 1986-10-14 Hiroshi Ogawa Circuit de detection et de correction de signaux numeriques avec generateur de signaux de portillonnage reglables
US4701898A (en) * 1981-12-21 1987-10-20 Discovision Associates Method and apparatus for locating a selected track on a record disc
US4774699A (en) * 1981-12-21 1988-09-27 Discovision Associates Method and apparatus for positioning a read head to a selected track on a record disc
US4432083A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having track following
US4432082A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having a long seek capability
US4435797A (en) 1982-02-17 1984-03-06 Burroughs Corporation Optical memory system having track following and seeking capabilities
US4489406A (en) * 1982-02-17 1984-12-18 Burroughs Corporation Optical memory system having a short seek capability
JPS58166567A (ja) * 1982-03-26 1983-10-01 Matsushita Electric Ind Co Ltd 情報トラックの検索装置
US4751692A (en) * 1982-04-15 1988-06-14 Discovision Associates Method and apparatus for recovering information from a videodisc
US4536863A (en) * 1982-04-15 1985-08-20 Discovision Associates Method and apparatus for recovering information from a videodisc
EP0096969B1 (fr) * 1982-05-19 1986-12-30 BURROUGHS CORPORATION (a Delaware corporation) Système de mémoire optique avec dispositif de commande de positionnement et de focalisation
FR2527369B1 (fr) * 1982-05-23 1987-04-17 Sony Corp Procede et appareil pour reproduire une information de programme notamment lecteur de disque
JPS58215766A (ja) * 1982-06-09 1983-12-15 Hitachi Ltd ビデオデイスクプレ−ヤにおけるランダムアクセス方式
JPS5938976A (ja) * 1982-08-25 1984-03-03 Sony Corp デイスク再生装置
JPS5940378A (ja) * 1982-08-31 1984-03-06 Toshiba Corp デイスク装置
JPS5948870A (ja) * 1982-09-10 1984-03-21 Hitachi Ltd ビデオデイスクプレ−ヤのランダムアクセス装置
JPS5972685A (ja) * 1982-10-20 1984-04-24 Hitachi Ltd ビデオデイスクプレ−ヤ
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
JPS5992457U (ja) * 1982-12-10 1984-06-22 日本コロムビア株式会社 デイスク再生装置
JPS59119580A (ja) * 1982-12-27 1984-07-10 Toshiba Corp デイスクレコ−ド再生装置
EP0114508B1 (fr) * 1982-12-27 1987-11-25 Kabushiki Kaisha Toshiba Appareil de reproduction de disque d'enregistrement
NL8303046A (nl) * 1983-09-01 1985-04-01 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
US4677602A (en) * 1983-04-05 1987-06-30 Pioneer Electronic Corporation Device for controlling recording track jump operations with over-run correction
JPS59193553A (ja) * 1983-04-19 1984-11-02 Nec Corp 光デイスクシステムにおけるトラツクアクセス装置
JPS59198571A (ja) * 1983-04-22 1984-11-10 Asahi Optical Co Ltd ビデオデイスク再生装置における高速サ−チ方式
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
NL8303029A (nl) * 1983-08-31 1985-03-18 Philips Nv Inrichting voor het uitlezen van een schijfvormige optische registratiedrager.
JP2510410B2 (ja) * 1983-10-27 1996-06-26 パイオニア株式会社 デイスクプレ−ヤの情報選択装置
JPS60102769U (ja) * 1983-12-14 1985-07-13 パイオニア株式会社 記録情報再生装置
JPS60131640A (ja) * 1983-12-20 1985-07-13 Canon Inc 光デイスク装置のトラツクアクセス方法
JPS60136968A (ja) * 1983-12-26 1985-07-20 Hitachi Ltd 磁気デイスク駆動装置
JPS60145576A (ja) * 1984-01-10 1985-08-01 Canon Inc 光学情報記録再生装置のトラックシーク方法
JPH0690804B2 (ja) * 1984-01-20 1994-11-14 株式会社日立製作所 光学的情報記録再生装置
DE3515472A1 (de) * 1984-04-27 1985-11-07 Pioneer Electronic Corp., Tokio/Tokyo Automatischer plattenspieler
JPS60254464A (ja) * 1984-05-31 1985-12-16 Fuji Photo Film Co Ltd 回転記録体再生装置
US5130962A (en) * 1984-07-24 1992-07-14 Canon Kabushiki Kaisha Tracking control arrangement for information signal reproducing apparatus
JPS6139239A (ja) * 1984-07-28 1986-02-25 Sony Corp 光学式デイスクプレ−ヤ
US4809214A (en) * 1984-07-31 1989-02-28 Canon Kabushiki Kaisha Information searching apparatus
EP0177737A3 (en) * 1984-08-28 1988-07-06 Fuji Photo Film Co., Ltd. Optical memory disk and track access therefor
JPS61214230A (ja) * 1985-03-20 1986-09-24 Hitachi Ltd 光デイスク装置
US5012460A (en) * 1985-05-31 1991-04-30 Information Storage, Inc. RAM head positioning and tracking system
DE3618137A1 (de) * 1985-05-31 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Bildplatten-zugriffsverfahren und bildplattenspeicher
JPH0632173B2 (ja) * 1985-06-04 1994-04-27 松下電器産業株式会社 再生装置
US4727528A (en) * 1986-04-22 1988-02-23 Sri International Optical media tracking method and apparatus for optical storage system
JPH0731872B2 (ja) * 1986-11-14 1995-04-10 パイオニア株式会社 時間軸制御方式
US4943166A (en) * 1987-01-27 1990-07-24 Kabushiki Kaisha Toshiba Device for detecting the position of an optical head
US4980882A (en) * 1987-04-06 1990-12-25 Storage Technology Corporation Partners Ii Optical disk for detesting and distinguishing servo tracks from data tracks
JPH0748257B2 (ja) * 1987-05-07 1995-05-24 富士通株式会社 光ディスク装置のマルチトラックジャンプ回路
JP2557896B2 (ja) * 1987-07-31 1996-11-27 株式会社東芝 ディスク装置
JP2624698B2 (ja) * 1987-08-07 1997-06-25 株式会社東芝 ディスク再生装置
DE3887126T2 (de) * 1987-08-29 1994-04-28 Fujitsu Ltd Methoden zum zugang einer optischen aufzeichnungsspur.
JP2635610B2 (ja) * 1987-09-09 1997-07-30 株式会社東芝 ディスク装置
JPS6467775A (en) * 1987-09-09 1989-03-14 Toshiba Corp Disk device
JP2637118B2 (ja) * 1987-11-10 1997-08-06 株式会社東芝 磁気ディスク装置
JPH01130327A (ja) * 1987-11-16 1989-05-23 Olympus Optical Co Ltd 光学的情報記録再生装置
US4897827A (en) * 1987-12-12 1990-01-30 U.S. Philips Corporation Video disc player with rapid track access means
JPH0786847B2 (ja) * 1988-08-09 1995-09-20 松下電器産業株式会社 キャッシュメモリ
JPH069087B2 (ja) * 1988-10-06 1994-02-02 キヤノン株式会社 光学的情報記録再生装置
US5173887A (en) * 1988-12-13 1992-12-22 Pioneer Electronic Corporation Disk player pickup control system
JPH02158969A (ja) * 1988-12-13 1990-06-19 Pioneer Electron Corp ディスクプレーヤのピックアップ制御方式
JP2663616B2 (ja) * 1989-03-07 1997-10-15 松下電器産業株式会社 トラック検索装置
JPH03130972A (ja) * 1989-10-16 1991-06-04 Matsushita Electric Ind Co Ltd トラック検索装置及びトラッキング制御装置
DE4122080A1 (de) * 1991-07-04 1993-01-07 Thomson Brandt Gmbh Verfahren zum bestimmen von orten auf optischen platten
US5566141A (en) * 1993-04-13 1996-10-15 Matsushita Electric Industrial Co., Ltd. Track retrieving method for making a light beam jump and scan from one track to another
JP3455298B2 (ja) * 1994-08-12 2003-10-14 松下電器産業株式会社 光ビームの移動検出方法および光ディスク再生装置
KR19980021850A (ko) * 1996-09-19 1998-06-25 구자홍 광디스크 재생장치의 고속 액세스(Access) 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530447A (en) * 1966-12-02 1970-09-22 Digital Equipment Corp Transducer positioning indexer in magnetic disc recorder
GB1288770A (fr) * 1968-11-09 1972-09-13
NL7212015A (fr) * 1972-09-04 1974-03-06
US3944727A (en) * 1972-10-24 1976-03-16 Mca Discovision, Inc. Video disc player with movable mirror for directing light beam onto reflective disc
US3812533A (en) * 1972-12-22 1974-05-21 Vermont Res Corp Information storage unit transducer positioning system
NL7301932A (fr) * 1973-02-12 1974-08-14
US3937903A (en) * 1974-04-29 1976-02-10 Osann Jr Robert Sound track selector system for phonograph record players

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0181436A1 (fr) * 1978-06-30 1986-05-21 Discovision Associates Procédé et dispositif d'exploration d'un porteur d'enregistrement lisible par voie optique
EP0007199A1 (fr) * 1978-06-30 1980-01-23 Discovision Associates Procédé et dispositif d'exploration d'un porteur d'enregistrement lisible par voie optique
USRE32574E (en) * 1978-06-30 1988-01-05 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
FR2466078A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Procede pour deplacer un systeme mobile par rapport a un support d'informations et dispositif pour le mettre en oeuvre
FR2466081A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Dispositif de mesure de vitesse d'un systeme mobile par rapport a un support d'informations
FR2470504A1 (fr) * 1979-11-26 1981-05-29 Atlantic Richfield Co Procede et systeme de changement de pistes video
FR2488030A1 (fr) * 1980-07-29 1982-02-05 Victor Company Of Japan Appareil de reproduction a support d'enregistrement rotatif
FR2490386A1 (fr) * 1980-09-12 1982-03-19 Victor Company Of Japan Dispositif de commande de transfert pour un transducteur de reproduction d'appareils de reproduction de supports d'enregistrement rotatifs
FR2490859A1 (fr) * 1980-09-22 1982-03-26 Victor Company Of Japan Appareil de reproduction de support d'enregistrement tournant mettant un systeme de commande de suivi de piste dans un etat de non-fonctionnement lorsque le suivi de piste d'un element de reproduction n'est pas necessaire
US4506355A (en) * 1981-08-24 1985-03-19 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
EP0141396A3 (en) * 1981-11-25 1985-10-02 Hitachi, Ltd. Access device for positioning a light beam to a desired guide groove of an optical memory apparatus
EP0080212A1 (fr) * 1981-11-25 1983-06-01 Hitachi, Ltd. Appareil de mémoire optique
EP0089549B1 (fr) * 1982-03-15 1987-01-21 Kabushiki Kaisha Toshiba Appareil à disque optique
FR2561424A1 (fr) * 1983-11-30 1985-09-20 Pioneer Electronic Corp Appareil de positionnement du lecteur d'un appareil de lecture de donnees
WO1985004042A1 (fr) * 1984-03-01 1985-09-12 Index Data Programmes Limited Procede ameliore de stockage et d'extraction d'informations stockees sur des supports video

Also Published As

Publication number Publication date
GB1573031A (en) 1980-08-13
CS262277A2 (en) 1987-07-16
NL183909C (nl) 1989-02-16
DE2718092C2 (de) 1985-02-21
CA1093691A (fr) 1981-01-13
NL7704296A (nl) 1977-10-25
FR2349191B1 (fr) 1982-03-19
JPS6114590B2 (fr) 1986-04-19
IT1086888B (it) 1985-05-31
JPS52152704A (en) 1977-12-19
SU929021A3 (ru) 1982-05-15
PL115268B1 (en) 1981-03-31
CS254952B2 (en) 1988-02-15
US4106058A (en) 1978-08-08
DE2718092A1 (de) 1977-11-10

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