DE3047880A1 - Vorrichtung zur laengsverschiebung eines rotationsmotors und damit versehene videoplatten-lesevorrichtung - Google Patents

Vorrichtung zur laengsverschiebung eines rotationsmotors und damit versehene videoplatten-lesevorrichtung

Info

Publication number
DE3047880A1
DE3047880A1 DE19803047880 DE3047880A DE3047880A1 DE 3047880 A1 DE3047880 A1 DE 3047880A1 DE 19803047880 DE19803047880 DE 19803047880 DE 3047880 A DE3047880 A DE 3047880A DE 3047880 A1 DE3047880 A1 DE 3047880A1
Authority
DE
Germany
Prior art keywords
disk
conductor
carriage
electromagnets
video disk
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.)
Withdrawn
Application number
DE19803047880
Other languages
German (de)
English (en)
Inventor
Guy 75014 Paris Bourdon
Jean Claude 9140 Gometz le Châtel Lehureau
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.)
Thales SA
Original Assignee
Thomson CSF 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 CSF SA filed Critical Thomson CSF SA
Publication of DE3047880A1 publication Critical patent/DE3047880A1/de
Withdrawn legal-status Critical Current

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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • 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

Landscapes

  • Moving Of Heads (AREA)
DE19803047880 1979-12-21 1980-12-18 Vorrichtung zur laengsverschiebung eines rotationsmotors und damit versehene videoplatten-lesevorrichtung Withdrawn DE3047880A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7931486A FR2472298A1 (fr) 1979-12-21 1979-12-21 Dispositif permettant de deplacer longitudinalement un moteur de rotation, et lecteur de video-disque comprenant un tel dispositif

Publications (1)

Publication Number Publication Date
DE3047880A1 true DE3047880A1 (de) 1981-09-17

Family

ID=9233094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803047880 Withdrawn DE3047880A1 (de) 1979-12-21 1980-12-18 Vorrichtung zur laengsverschiebung eines rotationsmotors und damit versehene videoplatten-lesevorrichtung

Country Status (4)

Country Link
US (1) US4381556A (https=)
DE (1) DE3047880A1 (https=)
FR (1) FR2472298A1 (https=)
NL (1) NL8006870A (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186237A (en) * 1981-05-12 1982-11-16 Pioneer Video Corp Crosstalk eliminating device for recorded information reproducing device
US4394667A (en) * 1982-03-26 1983-07-19 Xerox Corporation Radial access drive for an optical disk recorder
NL8300133A (nl) * 1983-01-14 1984-08-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie.
US4553230A (en) * 1984-08-20 1985-11-12 Paulson Rollie W Vibration free turntable apparatus
US5319622A (en) * 1990-02-09 1994-06-07 Ast Research, Inc. Control and information disk for disk recording system
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
US7587766B2 (en) * 2004-11-18 2009-09-08 Starz Entertainment Group Llc Flexible digital content licensing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1212692A (en) * 1914-03-06 1917-01-16 Albert Ruckgaber Speed-regulator for phonographs.
US3138669A (en) * 1961-06-06 1964-06-23 Rabinow Jacob Record player using light transducer and servo
US3391255A (en) * 1962-05-16 1968-07-02 Minnesota Mining & Mfg Transducing system
GB1413142A (en) * 1972-04-19 1975-11-05 Rca Corp Speed control system for video disc drives
FR2222718B1 (https=) * 1973-03-19 1977-02-11 Thomson Brandt

Also Published As

Publication number Publication date
FR2472298B1 (https=) 1982-10-22
NL8006870A (nl) 1981-07-16
FR2472298A1 (fr) 1981-06-26
US4381556A (en) 1983-04-26

Similar Documents

Publication Publication Date Title
DE2221743A1 (de) Antriebsvorrichtung zur linearen Einstellung von Magnetkoepfen
DE2645326C2 (de) Lesekopf für eine optische Lesevorrichtung
DE3704842A1 (de) Plattenantrieb
DE3872917T2 (de) Vorrichtung zum antrieb optischer teile eines optischen kopfes.
DE1499571C3 (https=)
DE2552784A1 (de) Videosignalwiedergabeeinrichtung
DE3047880A1 (de) Vorrichtung zur laengsverschiebung eines rotationsmotors und damit versehene videoplatten-lesevorrichtung
EP0120979B1 (de) Schienengebundenes Fördersystem
DE2318871A1 (de) Wiedergabeeinrichtung fuer scheibenfoermige aufzeichnungstraeger
DE2711994C3 (de) Fahrzeug, das gegenüber einem Fahrweg mit Hilfe einer anziehenden magnetischen Einrichtung und einer Zusatzkrafteinrichtung gehalten wird
DE2148824A1 (de) Foerderanlage mit einem durch einen linearmotor angetriebenen fahrzeug
DE2413218A1 (de) Leseeinrichtung fuer aufgezeichnete informationen
DE2738789C3 (de) Elektrischer Schrittmotor
EP3684534B1 (de) Unterflur-radsatzbearbeitungsmaschine mit verstellbarer spurweite
DE1524837A1 (de) Vorrichtung zum Abtasten eines Informationsspeichermediums
DE3143198A1 (de) Magnetkopf eines tonbandgeraets
DE2847393B2 (de) Linearer Schwingspulenmotor
DE69410975T2 (de) Bandantrieb und Kassette mit genauer Ausrichtung
EP0115776A1 (de) Laufwerk für einen Videorecorder
DE4032983C2 (de) Umlaufmagnetkopf-Vorrichtung für ein Magnetaufzeichnungs/Wiedergabegerät
DE69019743T2 (de) Magnetische aufzeichnung und wiedergabevorrichtung.
DE3411190C2 (de) Magnetregler für Langstator-Magnetschwebefahrzeuge
DE3315848C2 (https=)
DE60106344T2 (de) Optisches abtastgerät mit einem stellantrieb für eine verschiebbare kollimatorlinse
EP0334392B1 (de) Optische Abtasteinheit

Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee