NL8004379A - Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf. - Google Patents

Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf. Download PDF

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Publication number
NL8004379A
NL8004379A NL8004379A NL8004379A NL8004379A NL 8004379 A NL8004379 A NL 8004379A NL 8004379 A NL8004379 A NL 8004379A NL 8004379 A NL8004379 A NL 8004379A NL 8004379 A NL8004379 A NL 8004379A
Authority
NL
Netherlands
Prior art keywords
objective
frame
information
shielding
information disc
Prior art date
Application number
NL8004379A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL8004379A priority Critical patent/NL8004379A/nl
Priority to US06/207,324 priority patent/US4389717A/en
Priority to DE8181200784T priority patent/DE3173556D1/de
Priority to EP81200784A priority patent/EP0045537B1/en
Priority to AT81200784T priority patent/ATE17616T1/de
Priority to DD81232153A priority patent/DD201738A5/de
Priority to JP56117204A priority patent/JPS5753842A/ja
Priority to AU73524/81A priority patent/AU7352481A/en
Priority to ES504391A priority patent/ES504391A0/es
Priority to CA000382926A priority patent/CA1183257A/en
Publication of NL8004379A publication Critical patent/NL8004379A/nl
Priority to KR2019850013415U priority patent/KR850003349Y1/ko
Priority to HK751/86A priority patent/HK75186A/xx

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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00—Facsimile and static presentation processing
    • Y10S358/906—Hand-held camera with recorder in a single unit

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Liquid Crystal (AREA)
  • Manufacturing Optical Record Carriers (AREA)
NL8004379A 1980-07-31 1980-07-31 Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf. NL8004379A (nl)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL8004379A NL8004379A (nl) 1980-07-31 1980-07-31 Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf.
US06/207,324 US4389717A (en) 1980-07-31 1980-11-17 Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam
DE8181200784T DE3173556D1 (en) 1980-07-31 1981-07-08 Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam
EP81200784A EP0045537B1 (en) 1980-07-31 1981-07-08 Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam
AT81200784T ATE17616T1 (de) 1980-07-31 1981-07-08 Geraet zum aufzeichnen oder wiedergeben einer rotierenden informationsscheibe mittels eines strahlungsbuendels.
DD81232153A DD201738A5 (de) 1980-07-31 1981-07-28 Vorrichtung zum mit hilfe eines strahlungsbuendels einschreiben und/oder auslesen von informationen auf einer sich drehenden informationsscheibe
JP56117204A JPS5753842A (en) 1980-07-31 1981-07-28 Johokakikomi yomitorisochi
AU73524/81A AU7352481A (en) 1980-07-31 1981-07-29 Optical disc recording apparatus
ES504391A ES504391A0 (es) 1980-07-31 1981-07-29 Un aparato para escribir y-o leer informacion con ayuda de un haz de radiacion
CA000382926A CA1183257A (en) 1980-07-31 1981-07-30 Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam
KR2019850013415U KR850003349Y1 (ko) 1980-07-31 1985-10-15 방사비임으로서 회전정보 디스크상에 정보를 기록 및 재생시키기 위한장치
HK751/86A HK75186A (en) 1980-07-31 1986-10-09 Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8004379 1980-07-31
NL8004379A NL8004379A (nl) 1980-07-31 1980-07-31 Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf.

Publications (1)

Publication Number Publication Date
NL8004379A true NL8004379A (nl) 1982-03-01

Family

ID=19835686

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8004379A NL8004379A (nl) 1980-07-31 1980-07-31 Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf.

Country Status (11)

Country Link
US (1) US4389717A (xx)
EP (1) EP0045537B1 (xx)
JP (1) JPS5753842A (xx)
AT (1) ATE17616T1 (xx)
AU (1) AU7352481A (xx)
CA (1) CA1183257A (xx)
DD (1) DD201738A5 (xx)
DE (1) DE3173556D1 (xx)
ES (1) ES504391A0 (xx)
HK (1) HK75186A (xx)
NL (1) NL8004379A (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402176A (nl) * 1984-07-10 1986-02-03 Philips Nv Inrichting voor het met een stralingsvlek inschrijven en/of uitlezen van informatie op een roterende informatieplaat.
DE3524048A1 (de) * 1985-07-05 1987-01-08 Thomson Brandt Gmbh Laser-plattenspieler mit einer schutzblende
DE3840311A1 (de) * 1988-11-30 1990-05-31 Thomson Brandt Gmbh Optisches aufzeichnungs- und/oder wiedergabe-geraet
US5086422A (en) * 1989-06-19 1992-02-04 Ricoh Company, Ltd. Optical disk apparatus
JP2826135B2 (ja) * 1989-09-25 1998-11-18 株式会社リコー 光ディスク駆動装置
US5351228A (en) * 1990-09-20 1994-09-27 Ricoh Company Ltd. Optical disk drive unit
US5787063A (en) * 1990-09-20 1998-07-28 Richoh Company, Ltd. Disk drive unit having improved shutter mechanism
JP3320906B2 (ja) * 1994-06-30 2002-09-03 アルパイン株式会社 ディスク装置
JP2007310987A (ja) * 2006-05-19 2007-11-29 Fujitsu Ltd 光記録媒体駆動装置および光ピックアップ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416135A (en) * 1945-06-04 1947-02-18 David Appleby Phonographic apparatus
FR2126492A5 (xx) * 1971-02-08 1972-10-06 Thomson Csf
US3839601A (en) * 1971-07-06 1974-10-01 Gakken Co Ltd Optical record sheet and device for reproducing sound therefrom
NL178283C (nl) * 1975-08-28 1986-02-17 Philips Nv Afspeelinrichting, in het bijzonder videospeler.
US4038663A (en) * 1975-09-23 1977-07-26 U.S. Philips Corporation Method of writing information with a modulated radiation beam onto an information storage medium and information storage medium particularly adapted to the method
US4003091A (en) * 1976-03-08 1977-01-11 International Business Machines Corporation Transducer support and stabilizer
NL7605374A (nl) * 1976-05-20 1977-11-22 Philips Nv Inrichting voor het met behulp van een stralen- bundel optisch uitlezen en/of beschrijven van een roterende plaat.
JPS52153705A (en) * 1976-06-17 1977-12-21 Teac Co Optical disc regenerator
FR2396383A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Dispositif de sustentation d'un support d'information en forme de disque souple et lecteur de disque utilisant un tel dispositif

Also Published As

Publication number Publication date
ES8206897A1 (es) 1982-08-16
HK75186A (en) 1986-10-17
US4389717A (en) 1983-06-21
EP0045537A1 (en) 1982-02-10
EP0045537B1 (en) 1986-01-22
ATE17616T1 (de) 1986-02-15
JPS5753842A (en) 1982-03-31
DD201738A5 (de) 1983-08-03
ES504391A0 (es) 1982-08-16
AU7352481A (en) 1982-02-04
CA1183257A (en) 1985-02-26
DE3173556D1 (en) 1986-03-06

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A1B A search report has been drawn up
BV The patent application has lapsed