HK75186A - Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam - Google Patents

Apparatus for writing and/or reading information on a rotary information disc with the aid of a radiation beam

Info

Publication number
HK75186A
HK75186A HK751/86A HK75186A HK75186A HK 75186 A HK75186 A HK 75186A HK 751/86 A HK751/86 A HK 751/86A HK 75186 A HK75186 A HK 75186A HK 75186 A HK75186 A HK 75186A
Authority
HK
Hong Kong
Prior art keywords
objective
information
radiation beam
rotary
writing
Prior art date
Application number
HK751/86A
Other languages
English (en)
Inventor
Eduard Camerik
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
Publication of HK75186A publication Critical 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)
HK751/86A 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 HK75186A (en)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
HK75186A true HK75186A (en) 1986-10-17

Family

ID=19835686

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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) ES8206897A1 (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
US5787063A (en) * 1990-09-20 1998-07-28 Richoh Company, Ltd. Disk drive unit having improved shutter mechanism
US5351228A (en) * 1990-09-20 1994-09-27 Ricoh Company Ltd. Optical disk drive unit
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
CA1183257A (en) 1985-02-26
US4389717A (en) 1983-06-21
JPS5753842A (en) 1982-03-31
EP0045537A1 (en) 1982-02-10
AU7352481A (en) 1982-02-04
DD201738A5 (de) 1983-08-03
ES504391A0 (es) 1982-08-16
ATE17616T1 (de) 1986-02-15
EP0045537B1 (en) 1986-01-22
NL8004379A (nl) 1982-03-01
ES8206897A1 (es) 1982-08-16
DE3173556D1 (en) 1986-03-06

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