FR2412906A1 - Dispositif de lecture de signaux videos dans le sillon d'un disque - Google Patents

Dispositif de lecture de signaux videos dans le sillon d'un disque

Info

Publication number
FR2412906A1
FR2412906A1 FR7836732A FR7836732A FR2412906A1 FR 2412906 A1 FR2412906 A1 FR 2412906A1 FR 7836732 A FR7836732 A FR 7836732A FR 7836732 A FR7836732 A FR 7836732A FR 2412906 A1 FR2412906 A1 FR 2412906A1
Authority
FR
France
Prior art keywords
disc
video signals
reading video
reading
laser beam
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
FR7836732A
Other languages
English (en)
Other versions
FR2412906B1 (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.)
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 FR2412906A1 publication Critical patent/FR2412906A1/fr
Application granted granted Critical
Publication of FR2412906B1 publication Critical patent/FR2412906B1/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
    • 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
    • G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Moving Of Heads (AREA)

Abstract

L'INVENTION CONCERNE LA LECTURE DES DISQUES. UN DISPOSITIF CONFORME AU PRINCIPE DE L'INVENTION COMPORTE UNE TETE DE LECTURE 14 RECEVANT ET TRANSMETTANT UN FAISCEAU LASER DE LECTURE VERS UN DISQUE 20, UN BRAS 16 POUR PRODUIRE UN MOUVEMENT RELATIF ENTRE LA TETE DE LECTURE ET LE DISQUE ET UN MOYEN 54, 56 POUR DIRIGER LE FAISCEAU DE LECTURE VERS LA TETE DE LECTURE 14. L'INVENTION S'APPLIQUE A LA LECTURE DES DISQUES VIDEOS PAR FAISCEAU LASER.
FR7836732A 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque Granted FR2412906A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00299893A US3829622A (en) 1972-10-24 1972-10-24 Video disc player with variably biased pneumatic head

Publications (2)

Publication Number Publication Date
FR2412906A1 true FR2412906A1 (fr) 1979-07-20
FR2412906B1 FR2412906B1 (fr) 1984-11-23

Family

ID=23156748

Family Applications (7)

Application Number Title Priority Date Filing Date
FR7337796A Expired FR2204008B1 (fr) 1972-10-24 1973-10-23
FR7836734A Granted FR2413004A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836732A Granted FR2412906A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836735A Granted FR2413005A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836731A Granted FR2415344A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836733A Granted FR2413003A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836730A Granted FR2412905A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR7337796A Expired FR2204008B1 (fr) 1972-10-24 1973-10-23
FR7836734A Granted FR2413004A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque

Family Applications After (4)

Application Number Title Priority Date Filing Date
FR7836735A Granted FR2413005A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836731A Granted FR2415344A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836733A Granted FR2413003A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque
FR7836730A Granted FR2412905A1 (fr) 1972-10-24 1978-12-28 Dispositif de lecture de signaux videos dans le sillon d'un disque

Country Status (8)

Country Link
US (1) US3829622A (fr)
JP (12) JPS5742895B2 (fr)
CA (1) CA1012643A (fr)
DE (1) DE2353127C3 (fr)
FR (7) FR2204008B1 (fr)
GB (1) GB1448239A (fr)
IT (1) IT994435B (fr)
NL (1) NL161954C (fr)

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US5175725A (en) * 1972-08-25 1992-12-29 Thomson-Csf Optical disk arrangement with closed contours whose entire extent represents information
US5182743A (en) * 1972-08-25 1993-01-26 Thomson-Csf Optical disk arrangement with diffractive tracks allowing positional control
FR2197495A5 (fr) * 1972-08-25 1974-03-22 Thomson Csf
US3829622A (en) * 1972-10-24 1974-08-13 Mca Disco Vision Video disc player with variably biased pneumatic head
US4809247A (en) * 1972-10-24 1989-02-28 Discovision Associates Video disc head tracking apparatus
US4451913A (en) * 1972-10-24 1984-05-29 Discovision Associates Video disc read back scanner
US4583210A (en) * 1973-02-20 1986-04-15 Discovision Associates Method and apparatus for storing and retrieving information
FR2235448B1 (fr) * 1973-06-29 1976-05-07 Thomson Brandt
DE2337015C2 (de) * 1973-07-20 1983-07-14 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur optischen Abtastung einer um eine vertikale Rotationsachse sich drehenden Platte
US4165519A (en) * 1973-07-31 1979-08-21 Mansei Kogyo Kabushiki Kaisha Optical control system for read out from information recording medium
JPS5838866B2 (ja) * 1973-12-13 1983-08-25 キヤノン株式会社 フジヨウソウチ
NL171641C (nl) * 1974-02-13 1983-04-18 Philips Nv Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur.
US4118734A (en) * 1974-02-14 1978-10-03 U.S. Philips Corporation Optical videodisc with variable width tracks
NL176314C (nl) * 1974-02-15 1985-03-18 Philips Nv Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur.
US3927252A (en) * 1974-04-02 1975-12-16 Zenith Radio Corp Biased video disc stabilizer system
US3936881A (en) * 1974-07-01 1976-02-03 International Business Machines Corporation Air damped head suspension
AR205839A1 (es) * 1974-09-30 1976-06-07 Mca Disco Vision Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video
NL7414776A (nl) * 1974-11-13 1976-05-17 Philips Nv Inrichting voor het uitlezen van een registra- tiedrager met een optische informatiestruktuur.
US4150399A (en) * 1974-11-13 1979-04-17 U.S. Philips Corporation Apparatus for reading a record carrier with an optical information structure
US3983317A (en) * 1974-12-09 1976-09-28 Teletype Corporation Astigmatizer for laser recording and reproducing system
US4006294A (en) * 1975-05-27 1977-02-01 Mca Disco-Vision, Inc. Transducer head assembly with fluid bearing and head height control system
NL7506495A (nl) * 1975-06-02 1976-12-06 Philips Nv Inrichting voor het uitlezen van een registratie- drager.
US4065786A (en) * 1975-09-30 1977-12-27 Rca Corporation Videodisc playback system
FR2330108A1 (fr) * 1975-10-31 1977-05-27 Hitachi Ltd Appareil de restitution d'informations
US4044378A (en) * 1975-11-04 1977-08-23 Zenith Radio Corporation Optical system for reflective mode video playback apparatus
US4055849A (en) * 1976-04-15 1977-10-25 Eastman Kodak Company Magnetic head positioning and playback apparatus utilizing a split head for self-tracking and selective reproduction
US4160270A (en) * 1977-09-22 1979-07-03 Rca Corporation Tracking servo system for video disc player/recorder
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
US4370679A (en) * 1978-03-27 1983-01-25 Discovision Associates Gain correction system for videodisc player apparatus
US4371899A (en) * 1978-03-27 1983-02-01 Discovision Associates Time base error correction system for player
US4358796A (en) * 1978-03-27 1982-11-09 Discovision Associates Spindle servo system for videodisc player
JPS5532238A (en) * 1978-08-25 1980-03-06 Matsushita Electric Ind Co Ltd Optical recorder and reproducing method
US4232201A (en) * 1978-11-24 1980-11-04 Mca Discovision, Inc. Dithered center tracking system
US4488279A (en) * 1980-10-20 1984-12-11 Discovision Associates Video recorder-playback machine
US4467467A (en) * 1980-10-20 1984-08-21 Discovision Associates Video recorder-playback machine
NL8103960A (nl) * 1981-08-26 1983-03-16 Philips Nv Zwenkarminrichting voor een optische aftasteenheid.
NL8300133A (nl) * 1983-01-14 1984-08-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie.
JPS59188852A (ja) * 1983-04-12 1984-10-26 Hitachi Ltd 偏光ビ−ムスプリツタ
JPH0779447B2 (ja) * 1983-08-04 1995-08-23 キヤノン株式会社 撮像装置
US4752836A (en) * 1984-09-07 1988-06-21 Ivex Corporation Method and apparatus for reproducing video images to simulate movement within a multi-dimensional space
JPS61122942A (ja) * 1984-11-16 1986-06-10 Canon Inc 光情報処理装置
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
JPS6278743A (ja) * 1986-09-04 1987-04-11 Hitachi Ltd 光学ヘツド
JPH0534695Y2 (fr) * 1987-11-20 1993-09-02
JPH04812A (ja) * 1990-04-18 1992-01-06 Fujitsu Ten Ltd 電子回路
JPH04111914U (ja) * 1991-03-15 1992-09-29 トキコ株式会社 連接棒
US5541908A (en) * 1993-04-21 1996-07-30 Maxoptix Corporation Actuator having a minimized payload in a optical recording system
US5590102A (en) * 1995-01-12 1996-12-31 Discovision Associates Recording informatioin on an optical disc without using pre-manufactured tracks
US5978329A (en) * 1995-06-07 1999-11-02 Discovision Associates Technique for closed loop servo operation in optical disc tracking control
ATE201277T1 (de) * 1995-12-06 2001-06-15 Discovision Ass Gerät und verfahren zum regeln der fokussierung
US5689485A (en) 1996-04-01 1997-11-18 Discovision Associates Tracking control apparatus and method
US6151185A (en) * 1996-09-05 2000-11-21 Canon Kabushiki Kaisha Position detecting apparatus, positioning apparatus, and information recording apparatus using the same
US6540586B2 (en) 1999-08-25 2003-04-01 Flow International Corporation Apparatus and methods for collision detection and recovery for waterjet cutting systems
US6379214B1 (en) 1999-08-25 2002-04-30 Flow International Corporation Apparatus and methods for z-axis control and collision detection and recovery for waterjet cutting systems
JP4779985B2 (ja) 2007-02-07 2011-09-28 トヨタ自動車株式会社 予備ドープ前リチウムイオン電池、およびリチウムイオン電池の製造方法
CN110691547A (zh) * 2017-11-28 2020-01-14 奥里斯医疗有限公司 光学相干断层扫描***

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US1566413A (en) * 1921-04-04 1925-12-22 Tri Ergon Ltd Means for recording sound waves
DE714556C (de) * 1939-02-10 1941-12-02 Ernst Bergmann Vorrichtung zur Aufnahme und Wiedergabe von Lichttonaufzeichnungen
US2920529A (en) * 1952-05-23 1960-01-12 Blythe Richard Electronic control of optical and near-optical radiation
US2838683A (en) * 1955-07-18 1958-06-10 William D Munro Curve follower
US3138669A (en) * 1961-06-06 1964-06-23 Rabinow Jacob Record player using light transducer and servo
US3166997A (en) * 1961-06-28 1965-01-26 Ibm Hydrostatic film disc stabilizer and spacer
US3381085A (en) * 1962-05-09 1968-04-30 Minnesota Mining & Mfg Duplication of video disc recordings
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings
US3287563A (en) * 1962-11-07 1966-11-22 Minnesota Mining & Mfg Spatial coherent reproducing system
US3308450A (en) * 1963-09-30 1967-03-07 Ex Cell O Corp Magnetic transducer head assembly with spring biasing head assembly away from drum
US3452163A (en) * 1965-12-08 1969-06-24 Phillip B Dahlen Optical phonograph apparatus with polarized light
US3474459A (en) * 1968-01-08 1969-10-21 Pan American Petroleum Corp Optical display system using controlled deflections of a collimated beam of radiant energy
DE1613990A1 (de) * 1968-03-01 1970-08-20 Bosch Gmbh Robert Einrichtung zur Spurfuehrung bei einem Lichtfleck-Abtastgeraet
US3518442A (en) * 1968-06-06 1970-06-30 Gauss Electrophysics Inc Video playback assembly wherein the record disc has optical recordings on both sides
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering
US3612642A (en) * 1969-06-27 1971-10-12 Bulova Watch Co Inc A high-velocity optical scanner including a torsional fork supporting two reflectors
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
US3614233A (en) * 1970-05-08 1971-10-19 Saab Ab Device for linear displacement of a plane optical image in its own plane
FR2097331A5 (fr) * 1970-07-02 1972-03-03 Bull General Electric
FR2126492A5 (fr) * 1971-02-08 1972-10-06 Thomson Csf
US3829622A (en) * 1972-10-24 1974-08-13 Mca Disco Vision Video disc player with variably biased pneumatic head
JPS5130422A (fr) * 1974-09-09 1976-03-15 Victor Company Of Japan
JPS5245201A (en) * 1975-10-07 1977-04-09 Matsushita Electric Ind Co Ltd Tunning setting device

Also Published As

Publication number Publication date
JPH0413770B2 (fr) 1992-03-10
JPS5528591A (en) 1980-02-29
FR2413004B1 (fr) 1984-11-23
FR2412905B1 (fr) 1984-11-23
FR2204008A1 (fr) 1974-05-17
FR2413004A1 (fr) 1979-07-20
JPS5742895B2 (fr) 1982-09-11
JPS6210472B2 (fr) 1987-03-06
DE2353127C3 (de) 1983-01-05
JPS5528592A (en) 1980-02-29
IT994435B (it) 1975-10-20
JPS57138062A (en) 1982-08-26
JPS5528590A (en) 1980-02-29
JPH0526255B2 (fr) 1993-04-15
JPH03238627A (ja) 1991-10-24
JPH03237625A (ja) 1991-10-23
FR2415344A1 (fr) 1979-08-17
FR2204008B1 (fr) 1980-07-11
FR2412906B1 (fr) 1984-11-23
DE2353127B2 (de) 1976-05-20
DE2353127A1 (de) 1974-05-02
FR2413005A1 (fr) 1979-07-20
GB1448239A (en) 1976-09-02
JPS5528593A (en) 1980-02-29
JPH03237626A (ja) 1991-10-23
FR2413003A1 (fr) 1979-07-20
FR2412905A1 (fr) 1979-07-20
US3829622A (en) 1974-08-13
JPS627608B2 (fr) 1987-02-18
NL161954B (nl) 1979-10-15
CA1012643A (en) 1977-06-21
NL7314634A (fr) 1974-04-26
FR2413005B1 (fr) 1984-10-26
FR2415344B1 (fr) 1984-11-30
JPH03237629A (ja) 1991-10-23
JPS5528594A (en) 1980-02-29
JPS5727523B2 (fr) 1982-06-11
JPS6211413B2 (fr) 1987-03-12
JPS4980919A (fr) 1974-08-05
JPS5528589A (en) 1980-02-29
FR2413003B1 (fr) 1984-11-16
NL161954C (nl) 1980-03-17
JPH0415530B2 (fr) 1992-03-18

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property