IT1007384B - Dispositivo di lettura di infor mazioni registrate su un suppor to di registrazione - Google Patents

Dispositivo di lettura di infor mazioni registrate su un suppor to di registrazione

Info

Publication number
IT1007384B
IT1007384B IT20503/74A IT2050374A IT1007384B IT 1007384 B IT1007384 B IT 1007384B IT 20503/74 A IT20503/74 A IT 20503/74A IT 2050374 A IT2050374 A IT 2050374A IT 1007384 B IT1007384 B IT 1007384B
Authority
IT
Italy
Prior art keywords
recording media
information recorded
reading information
reading
recorded
Prior art date
Application number
IT20503/74A
Other languages
English (en)
Original Assignee
Thomson Brandt
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 filed Critical Thomson Brandt
Application granted granted Critical
Publication of IT1007384B publication Critical patent/IT1007384B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/34—Guiding record carriers during transducing operation, e.g. 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
IT20503/74A 1973-03-19 1974-04-08 Dispositivo di lettura di infor mazioni registrate su un suppor to di registrazione IT1007384B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7309717A FR2222718B1 (it) 1973-03-19 1973-03-19

Publications (1)

Publication Number Publication Date
IT1007384B true IT1007384B (it) 1976-10-30

Family

ID=9116491

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20503/74A IT1007384B (it) 1973-03-19 1974-04-08 Dispositivo di lettura di infor mazioni registrate su un suppor to di registrazione

Country Status (6)

Country Link
US (1) US3963863A (it)
JP (1) JPS5048822A (it)
CA (1) CA1028059A (it)
DE (1) DE2413218A1 (it)
FR (1) FR2222718B1 (it)
IT (1) IT1007384B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008491A (en) * 1975-01-02 1977-02-15 International Business Machines Corporation Fixed head, direct access storage device
GB1545234A (en) * 1975-10-31 1979-05-02 Hitachi Ltd Information play-back apparatus
USRE32709E (en) * 1978-03-27 1988-07-05 Discovision Associates Tracking system for video disc player
JPS54133102A (en) * 1978-03-27 1979-10-16 Mca Disco Vision Video disk player
US4340955A (en) * 1978-03-27 1982-07-20 Discovision Associates Video disc player
US4439848A (en) * 1978-03-27 1984-03-27 Discovision Associates Focusing system for video disc player
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
US4488275A (en) * 1978-03-27 1984-12-11 Discovision Associates Tracking system for video disc player
US4367545A (en) * 1979-02-16 1983-01-04 Discovision Associates Video disc player
US4316278A (en) * 1979-12-13 1982-02-16 Mcdonnell Douglas Corporation System for reading or recording indicia on a flexible disc
FR2472298A1 (fr) * 1979-12-21 1981-06-26 Thomson Csf Dispositif permettant de deplacer longitudinalement un moteur de rotation, et lecteur de video-disque comprenant un tel dispositif
US4447899A (en) * 1980-06-18 1984-05-08 Eastman Kodak Company Optical disc method, media and apparatus for writing and/or reading information
US4692913A (en) * 1980-11-26 1987-09-08 News Log International, Inc. Method and apparatus for reading a data record carrier
US4416001A (en) * 1980-11-26 1983-11-15 News Log International, Inc. Method and apparatus for optically reading digital data inscribed in an arcuate pattern on a data carrier
US4394667A (en) * 1982-03-26 1983-07-19 Xerox Corporation Radial access drive for an optical disk recorder
NL8303217A (nl) * 1983-09-19 1985-04-16 Philips Nv Optische platenspeler.
JPS63503416A (ja) * 1986-02-07 1988-12-08 インスティテュト　プロブレム　モデリロバニア　ベ−　エネルゲティケ　アカデミイ　ナウク　ウクラインスコイ　エスエスエ−ル 光記憶装置
US5798999A (en) * 1991-12-23 1998-08-25 Nimbus Communications International Limited Damped turntable/disk arculately positionable relative to a head
DE69319938T2 (de) * 1992-01-30 1999-01-14 Hitachi Ltd Gerät für optische Platten
CN1079567C (zh) * 1996-04-23 2002-02-20 三星电子株式会社 具有主轴电动机位置矫正装置的光学记录和再现设备
KR100195104B1 (ko) * 1996-06-17 1999-06-15 윤종용 위상차 및 틸트 조정이 가능한 디스크플레이어
US20060138597A1 (en) * 2004-12-24 2006-06-29 Johnson David A Combined high reliability contact metal/ ballast resistor/ bypass capacitor structure for power transistors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174140A (en) * 1959-07-01 1965-03-16 Ibm Magneto-optical recording and readout device
US3138669A (en) * 1961-06-06 1964-06-23 Rabinow Jacob Record player using light transducer and servo
US3287563A (en) * 1962-11-07 1966-11-22 Minnesota Mining & Mfg Spatial coherent reproducing system
US3304544A (en) * 1962-12-27 1967-02-14 Ibm Random access magnetic memory unit housing
FR2126492A5 (it) * 1971-02-08 1972-10-06 Thomson Csf

Also Published As

Publication number Publication date
CA1028059A (en) 1978-03-14
DE2413218A1 (de) 1974-09-26
FR2222718A1 (it) 1974-10-18
US3963863A (en) 1976-06-15
FR2222718B1 (it) 1977-02-11
JPS5048822A (it) 1975-05-01

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