FR1483801A - Ensemble transducteur - Google Patents

Ensemble transducteur

Info

Publication number
FR1483801A
FR1483801A FR53774A FR53774A FR1483801A FR 1483801 A FR1483801 A FR 1483801A FR 53774 A FR53774 A FR 53774A FR 53774 A FR53774 A FR 53774A FR 1483801 A FR1483801 A FR 1483801A
Authority
FR
France
Prior art keywords
transducer assembly
transducer
assembly
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.)
Expired
Application number
FR53774A
Other languages
English (en)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of FR1483801A publication Critical patent/FR1483801A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • 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
    • G11B7/09—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
    • G11B7/0901—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 for track following only
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
FR53774A 1962-08-16 1966-03-17 Ensemble transducteur Expired FR1483801A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US217408A US3381086A (en) 1962-08-16 1962-08-16 Reproduction of television signals from photographic disc recordings

Publications (1)

Publication Number Publication Date
FR1483801A true FR1483801A (fr) 1967-06-09

Family

ID=22810951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR53774A Expired FR1483801A (fr) 1962-08-16 1966-03-17 Ensemble transducteur

Country Status (5)

Country Link
US (1) US3381086A (fr)
DE (1) DE1499774B2 (fr)
FR (1) FR1483801A (fr)
GB (3) GB1146842A (fr)
NL (1) NL147003B (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893297A (en) * 1968-06-06 1990-01-09 Discovision Associates Disc-shaped member
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering
US3839601A (en) * 1971-07-06 1974-10-01 Gakken Co Ltd Optical record sheet and device for reproducing sound therefrom
FR2174353A5 (fr) * 1972-02-29 1973-10-12 Thomson Csf
NL173343C (nl) * 1972-03-29 1984-01-02 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen.
USRE29963E (en) * 1972-03-29 1979-04-10 U.S. Philips Corporation Servo system for reading from a disc-shaped record carrier containing signals coded in optical form
JPS497700A (fr) * 1972-05-26 1974-01-23
FR2197495A5 (fr) * 1972-08-25 1974-03-22 Thomson Csf
FR2212070A6 (fr) * 1972-08-25 1974-07-19 Thomson Csf
US5182743A (en) * 1972-08-25 1993-01-26 Thomson-Csf Optical disk arrangement with diffractive tracks allowing positional control
US4703467A (en) * 1972-10-24 1987-10-27 Discovision Associates Video disc read back scanner
US3944727A (en) * 1972-10-24 1976-03-16 Mca Discovision, Inc. Video disc player with movable mirror for directing light beam onto reflective disc
US3829622A (en) * 1972-10-24 1974-08-13 Mca Disco Vision Video disc player with variably biased pneumatic head
US4451913A (en) * 1972-10-24 1984-05-29 Discovision Associates Video disc read back scanner
US4282598A (en) * 1972-10-24 1981-08-04 Discovision Associates Video disc read back scanner
NL7215306A (fr) * 1972-11-11 1974-05-14
NL7215307A (fr) * 1972-11-11 1974-05-14
US4005260A (en) * 1972-11-11 1977-01-25 U.S. Philips Corporation Device for reading a disk-shaped record carrier with time base correction
US3848095A (en) * 1972-12-20 1974-11-12 I O Metrics Corp Three dimensional electro-optical retrieval system
JPS5752659B2 (fr) * 1972-12-28 1982-11-09
JPS5429082B2 (fr) * 1973-07-31 1979-09-20
NL7313454A (nl) * 1973-10-01 1975-04-03 Philips Nv Opto-elektronisch stelsel voor het bepalen van een king tussen de werkelijke positie van een stralings kterend vlak in een optisch afbeeldingsstelsel en d ste positie van dit vlak.
US4037252A (en) * 1973-11-10 1977-07-19 U.S. Philips Corporation Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking
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.
NL7402169A (nl) * 1974-02-15 1975-08-19 Philips Nv Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.
US3952148A (en) * 1974-03-13 1976-04-20 Zenith Radio Corporation Optical video disc playback system with position servo
US3946166A (en) * 1974-04-01 1976-03-23 Zenith Radio Corporation Tracking arrangement
US4001493A (en) * 1974-09-03 1977-01-04 Nihon Denshi Kabushiki Kaisha Single lens, multi-beam system and method for high resolution recording of information on a moving recording medium and article
NL182258C (nl) * 1976-01-28 1988-02-01 Philips Nv Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.
US4001494A (en) * 1974-11-01 1977-01-04 Zenith Radio Corporation Photoreceptor matrix for optical video playback system
JPS5550817Y2 (fr) * 1974-11-27 1980-11-27
JPS5169520U (fr) * 1974-11-27 1976-06-01
FR2310586A1 (fr) * 1975-05-07 1976-12-03 Thomson Brandt Procede de fabrication de supports d'informations lisibles optiquement par variation d'absorption et support ainsi obtenu
US4097730A (en) * 1975-07-02 1978-06-27 Zenith Radio Corporation Focus correction system for video disc player
US4092529A (en) * 1975-10-08 1978-05-30 Olympus Optical Company Limited Detecting head for use in an apparatus for reading optically an information recorded on a record carrier as a track or tracks
DE2611617C2 (de) * 1976-03-19 1983-10-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrisch gesteuerte Einstellvorrichtung für einen digital und analog ablenkgesteuerten Lichtstrahl
US4170783A (en) * 1977-03-14 1979-10-09 Victor Company Of Japan, Ltd. Signal pickup device for reproducing an information signal recorded on a track of a rotary recording medium
JPS5821322B2 (ja) * 1977-05-07 1983-04-28 株式会社富士通ゼネラル デジタル信号の変調方法
US4160270A (en) * 1977-09-22 1979-07-03 Rca Corporation Tracking servo system for video disc player/recorder
US4488275A (en) * 1978-03-27 1984-12-11 Discovision Associates Tracking system for video disc player
USRE32051E (en) * 1978-03-27 1985-12-17 Discovision Associates Tracking system and method for video disc player
US4332022A (en) * 1978-03-27 1982-05-25 Discovision Associates Tracking system and method for video disc player
USRE32709E (en) * 1978-03-27 1988-07-05 Discovision Associates Tracking system for video disc player
NL7808638A (nl) * 1978-08-22 1980-02-26 Philips Nv Inrichting voor het uitlezen van een schijfvormige re- gistratiedrager.
US4321622A (en) * 1979-11-26 1982-03-23 Mcdonnell Douglas Corporation Video track transfer system and method
JPS56163374U (fr) 1980-05-06 1981-12-04
JPS5812170A (ja) * 1981-07-14 1983-01-24 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置のジツタ補正回路
JPS5877036A (ja) * 1981-10-30 1983-05-10 Olympus Optical Co Ltd ピット中心検出方法
US4864552A (en) * 1986-08-29 1989-09-05 Laser Magnetic Storage International Company Driving signal for coarse servo employing sampled offset signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422398A (en) * 1943-11-03 1947-06-17 Jr James J Dilks Recorder and reproducer for spiral photographic disk sound records
US2972660A (en) * 1952-09-03 1961-02-21 Moore And Hall Frequency adjustment system
US3138669A (en) * 1961-06-06 1964-06-23 Rabinow Jacob Record player using light transducer and servo

Also Published As

Publication number Publication date
NL147003B (nl) 1975-08-15
NL6604908A (fr) 1967-10-16
GB1146842A (en) 1969-03-26
GB1146843A (en) 1969-03-26
US3381086A (en) 1968-04-30
GB1146844A (en) 1969-03-26
DE1499774A1 (de) 1970-05-14
DE1499774B2 (de) 1977-03-03

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