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ATE11463T1 - Optisches geraet zum aufzeichnen oder wiedergeben von informationsspuren mittels eines strahlungsbuendels. - Google Patents

Optisches geraet zum aufzeichnen oder wiedergeben von informationsspuren mittels eines strahlungsbuendels.

Info

Publication number
ATE11463T1
ATE11463T1 AT81200785T AT81200785T ATE11463T1 AT E11463 T1 ATE11463 T1 AT E11463T1 AT 81200785 T AT81200785 T AT 81200785T AT 81200785 T AT81200785 T AT 81200785T AT E11463 T1 ATE11463 T1 AT E11463T1
Authority
AT
Austria
Prior art keywords
recording
bumper
reproduction
radiation
optical device
Prior art date
Application number
AT81200785T
Other languages
English (en)
Inventor
Wilhelmus Adrianus Henricus Gijzen
6 Prof.Holstlaan
Original Assignee
N.V. Philips' Gloeilampenfabrieken
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 N.V. Philips' Gloeilampenfabrieken filed Critical N.V. Philips' Gloeilampenfabrieken
Application granted granted Critical
Publication of ATE11463T1 publication Critical patent/ATE11463T1/de

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
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Head (AREA)
AT81200785T 1980-07-31 1981-07-08 Optisches geraet zum aufzeichnen oder wiedergeben von informationsspuren mittels eines strahlungsbuendels. ATE11463T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8004380A NL8004380A (nl) 1980-07-31 1980-07-31 Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
EP81200785A EP0045538B1 (de) 1980-07-31 1981-07-08 Optisches Gerät zum Aufzeichnen oder Wiedergeben von Informationsspuren mittels eines Strahlungsbündels

Publications (1)

Publication Number Publication Date
ATE11463T1 true ATE11463T1 (de) 1985-02-15

Family

ID=19835687

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81200785T ATE11463T1 (de) 1980-07-31 1981-07-08 Optisches geraet zum aufzeichnen oder wiedergeben von informationsspuren mittels eines strahlungsbuendels.

Country Status (12)

Country Link
US (1) US4394755A (de)
EP (1) EP0045538B1 (de)
JP (1) JPH0316695B2 (de)
KR (2) KR830006704A (de)
AT (1) ATE11463T1 (de)
AU (1) AU541891B2 (de)
CA (1) CA1183256A (de)
DD (1) DD201739A5 (de)
DE (1) DE3168469D1 (de)
ES (1) ES504390A0 (de)
HK (1) HK57686A (de)
NL (1) NL8004380A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119717A (en) * 1980-02-27 1981-09-19 Kawasaki Steel Corp Method for detecting condition of converter
FR2522861B1 (fr) * 1982-03-02 1988-01-08 Thomson Csf Tete optique d'ecriture-lecture d'un disque optique et dispositif optique associe a une telle tete
DE3234288C2 (de) * 1982-09-16 1984-07-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Optische Vorrichtung zur Lenkung bzw. Ausrichtung eines Strahlenbündels
JPS59168839U (ja) * 1983-04-28 1984-11-12 パイオニア株式会社 光学式情報読取装置における光学部品の駆動機構
NL8600168A (nl) * 1986-01-27 1987-08-17 Philips Nv Optische aftasteenheid.
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2285768A (en) * 1940-10-11 1942-06-09 Burke & James Inc Lens mounting
US4190775A (en) * 1975-02-18 1980-02-26 Agency Of Industrial Science & Technology Optical memory playback apparatus
NL164689C (nl) * 1975-03-10 1981-01-15 Philips Nv Optische focusseerinrichting voor het focusseren van een stralingsbundel.
JPS5243736A (en) * 1975-10-03 1977-04-06 Nippon Kokan Kk Metallization coating method and metallization coating alloy
DE2645326C2 (de) * 1975-10-08 1984-06-20 Olympus Optical Co., Ltd., Tokio/Tokyo Lesekopf für eine optische Lesevorrichtung
NL178915C (nl) * 1976-01-16 1986-06-02 Philips Nv Automatisch optisch focusseersysteem.
NL176315C (nl) * 1976-05-12 1985-03-18 Philips Nv Optische aftastinrichting.
NL7703232A (nl) * 1977-03-25 1978-09-27 Philips Nv Optische aftastinrichting.
NL7713711A (nl) * 1977-12-12 1979-06-14 Philips Nv Optisch uitleeseenheid voor het uitlezen van een bewegende informatiedrager, in het bijzonder voor het uitlezen van een videoplaat.
US4302830A (en) * 1978-05-10 1981-11-24 Olympus Optical Company Ltd. Optical information reading-out apparatus
JPS5542368A (en) * 1978-09-19 1980-03-25 Mitsubishi Electric Corp Pickup controller
NL7904618A (nl) * 1979-06-13 1980-12-16 Philips Nv Optische focusseerinrichting.
JPS6034102Y2 (ja) * 1979-07-27 1985-10-11 パイオニアビデオ株式会社 可動検出部の保持装置

Also Published As

Publication number Publication date
HK57686A (en) 1986-08-15
DE3168469D1 (en) 1985-03-07
CA1183256A (en) 1985-02-26
KR830006704A (ko) 1983-10-06
DD201739A5 (de) 1983-08-03
ES8206896A1 (es) 1982-08-16
JPH0316695B2 (de) 1991-03-06
AU541891B2 (en) 1985-01-24
EP0045538A1 (de) 1982-02-10
KR850003350Y1 (ko) 1985-12-31
NL8004380A (nl) 1982-03-01
EP0045538B1 (de) 1985-01-23
ES504390A0 (es) 1982-08-16
US4394755A (en) 1983-07-19
JPS5753841A (de) 1982-03-31
AU7352381A (en) 1982-02-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee