FR2224828A1 - - Google Patents

Info

Publication number
FR2224828A1
FR2224828A1 FR7312667A FR7312667A FR2224828A1 FR 2224828 A1 FR2224828 A1 FR 2224828A1 FR 7312667 A FR7312667 A FR 7312667A FR 7312667 A FR7312667 A FR 7312667A FR 2224828 A1 FR2224828 A1 FR 2224828A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7312667A
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 FR7312667A priority Critical patent/FR2224828A1/fr
Priority to IT2051274A priority patent/IT1007389B/it
Priority to DE19742417000 priority patent/DE2417000A1/de
Priority to JP49039527A priority patent/JPS5053055A/ja
Publication of FR2224828A1 publication Critical patent/FR2224828A1/fr
Withdrawn legal-status Critical Current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
    • G11B7/09—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
    • 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
FR7312667A 1973-04-09 1973-04-09 Withdrawn FR2224828A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7312667A FR2224828A1 (fr) 1973-04-09 1973-04-09
IT2051274A IT1007389B (it) 1973-04-09 1974-04-08 Sistema di deviazione della luce a comando elettrico e sua applica zione a un dispositivo di lettura ottica di informazioni registrate su una pista
DE19742417000 DE2417000A1 (de) 1973-04-09 1974-04-08 Elektrisch gesteuertes lichtablenksystem
JP49039527A JPS5053055A (fr) 1973-04-09 1974-04-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7312667A FR2224828A1 (fr) 1973-04-09 1973-04-09

Publications (1)

Publication Number Publication Date
FR2224828A1 true FR2224828A1 (fr) 1974-10-31

Family

ID=9117614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312667A Withdrawn FR2224828A1 (fr) 1973-04-09 1973-04-09

Country Status (4)

Country Link
JP (1) JPS5053055A (fr)
DE (1) DE2417000A1 (fr)
FR (1) FR2224828A1 (fr)
IT (1) IT1007389B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509077A1 (fr) * 1981-07-03 1983-01-07 Thomson Csf Dispositif resonnant a lame vibrante excitee par un transducteur piezoelectrique et son application au suivi radial d'une piste d'un support d'information optique
WO1986004178A1 (fr) * 1985-01-11 1986-07-17 Deutsche Thomson-Brandt Gmbh Dispositif de lecture pour l'exploration optique d'informations enregistrees sur un support mobile en forme de disque
FR2598546A1 (fr) * 1978-05-10 1987-11-13 Olympus Optical Co Dispositif d'entrainement d'un objectif d'appareil de lecture d'informations optiques

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136007A (fr) * 1974-04-15 1975-10-28
US4561023A (en) * 1983-08-16 1985-12-24 Xerox Corporation Dampening system for micro-deflector scanning beam modulator
US4685767A (en) * 1984-02-27 1987-08-11 Matsushita Electric Industrial Co., Ltd. Fine adjustment apparatus for optical system lens
DE3542154A1 (de) * 1984-12-01 1986-07-10 Ngk Spark Plug Co Lichtumlenkvorrichtung
DE4122482B4 (de) * 1991-07-06 2004-10-07 Robert Bosch Gmbh Verfahren und Anordnung zum Schwenken eines Laserstrahls
DE10347898A1 (de) * 2003-10-15 2005-05-19 Carl Zeiss System zur Strahlführung eines von einer Lichtquelle ausgehenden Lichtstrahls

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598546A1 (fr) * 1978-05-10 1987-11-13 Olympus Optical Co Dispositif d'entrainement d'un objectif d'appareil de lecture d'informations optiques
FR2509077A1 (fr) * 1981-07-03 1983-01-07 Thomson Csf Dispositif resonnant a lame vibrante excitee par un transducteur piezoelectrique et son application au suivi radial d'une piste d'un support d'information optique
WO1986004178A1 (fr) * 1985-01-11 1986-07-17 Deutsche Thomson-Brandt Gmbh Dispositif de lecture pour l'exploration optique d'informations enregistrees sur un support mobile en forme de disque

Also Published As

Publication number Publication date
DE2417000A1 (de) 1974-10-17
IT1007389B (it) 1976-10-30
JPS5053055A (fr) 1975-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse