ES458220A1 - Un aparato perfeccionado para leer yno registrar opticamenteinformacion de un disco giratorio con ayuda de un haz de ra-diacion. - Google Patents

Un aparato perfeccionado para leer yno registrar opticamenteinformacion de un disco giratorio con ayuda de un haz de ra-diacion.

Info

Publication number
ES458220A1
ES458220A1 ES458220A ES458220A ES458220A1 ES 458220 A1 ES458220 A1 ES 458220A1 ES 458220 A ES458220 A ES 458220A ES 458220 A ES458220 A ES 458220A ES 458220 A1 ES458220 A1 ES 458220A1
Authority
ES
Spain
Prior art keywords
radiation beam
optical recording
play back
back apparatus
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.)
Expired
Application number
ES458220A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES458220A1 publication Critical patent/ES458220A1/es
Expired 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs

Landscapes

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

Abstract

Un aparato perfeccionado para leer y/o registrar óptimamente información en un disco giratorio con ayuda de un haz de radiación, por ejemplo un reproductor de discos de video, que comprende: una fuente de radiación para producir el haz de radiación; una pluralidad de elementos ópticos que incluye un objetivo para enfocar el haz de radiación en un disco que ha de ser leído o sobre el que se ha de registrar.
ES458220A 1976-04-28 1977-04-27 Un aparato perfeccionado para leer yno registrar opticamenteinformacion de un disco giratorio con ayuda de un haz de ra-diacion. Expired ES458220A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7604503A NL7604503A (nl) 1976-04-28 1976-04-28 Inrichting voor het met behulp van een stralen- bundel optisch uitlezen en/of beschrijven van een roterende plaat.

Publications (1)

Publication Number Publication Date
ES458220A1 true ES458220A1 (es) 1978-02-16

Family

ID=19826089

Family Applications (1)

Application Number Title Priority Date Filing Date
ES458220A Expired ES458220A1 (es) 1976-04-28 1977-04-27 Un aparato perfeccionado para leer yno registrar opticamenteinformacion de un disco giratorio con ayuda de un haz de ra-diacion.

Country Status (7)

Country Link
AU (1) AU2458377A (es)
DE (2) DE2717082A1 (es)
ES (1) ES458220A1 (es)
FR (1) FR2349912A1 (es)
GB (1) GB1576888A (es)
IT (1) IT1084483B (es)
NL (1) NL7604503A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7801870A (nl) * 1978-02-20 1979-08-22 Philips Nv Optische platenspeler.

Also Published As

Publication number Publication date
NL7604503A (nl) 1977-11-01
GB1576888A (en) 1980-10-15
IT1084483B (it) 1985-05-25
FR2349912A1 (fr) 1977-11-25
AU2458377A (en) 1978-11-02
DE7712070U1 (de) 1978-04-27
DE2717082A1 (de) 1977-11-10

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