ATE173109T1 - Kompatibles optisches lesegerät - Google Patents

Kompatibles optisches lesegerät

Info

Publication number
ATE173109T1
ATE173109T1 AT94203456T AT94203456T ATE173109T1 AT E173109 T1 ATE173109 T1 AT E173109T1 AT 94203456 T AT94203456 T AT 94203456T AT 94203456 T AT94203456 T AT 94203456T AT E173109 T1 ATE173109 T1 AT E173109T1
Authority
AT
Austria
Prior art keywords
signal
type
read
radiation
wavelength
Prior art date
Application number
AT94203456T
Other languages
English (en)
Inventor
Uijen Cornelis Marinus Joh Van
Adrianus Petrus Joh Jongenelis
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE173109T1 publication Critical patent/ATE173109T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Facsimile Heads (AREA)
  • Holo Graphy (AREA)
  • Polymerisation Methods In General (AREA)
AT94203456T 1993-12-03 1994-11-29 Kompatibles optisches lesegerät ATE173109T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9301334A BE1007852A3 (nl) 1993-12-03 1993-12-03 Compatibele optische uitleesinrichting.

Publications (1)

Publication Number Publication Date
ATE173109T1 true ATE173109T1 (de) 1998-11-15

Family

ID=3887603

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94203456T ATE173109T1 (de) 1993-12-03 1994-11-29 Kompatibles optisches lesegerät

Country Status (10)

Country Link
US (1) US5459704A (de)
EP (1) EP0656624B1 (de)
JP (1) JPH07201043A (de)
KR (1) KR100318143B1 (de)
CN (1) CN1085368C (de)
AT (1) ATE173109T1 (de)
BE (1) BE1007852A3 (de)
DE (1) DE69414350T2 (de)
SG (1) SG44007A1 (de)
TW (1) TW249284B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997032303A1 (fr) * 1996-03-01 1997-09-04 Hitachi, Ltd. Procede de reproduction optique et appareil d'informations optiques
US6442120B2 (en) 1998-08-31 2002-08-27 Hitachi, Ltd. Optical reproduction method and optical information device
US6774206B2 (en) * 2002-09-26 2004-08-10 Bayer Polymers Llc Polyaspartate resins with improved flexibility
JP4524650B2 (ja) * 2005-06-23 2010-08-18 ソニー株式会社 信号駆動装置およびこれを用いた光ピックアップ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475183A (en) * 1981-10-26 1984-10-02 Eastman Kodak Company Optical disk retrieval methods, media and systems employing digital data of high fractional bandwidth
JPS60187934A (ja) * 1984-03-07 1985-09-25 Toshiba Corp 光学的記録媒体の再生方式
JPS6129421A (ja) * 1984-06-15 1986-02-10 Olympus Optical Co Ltd 光学式記録媒体の欠陥検出方法
AU600889B2 (en) * 1985-03-05 1990-08-30 Nec Corporation Reading circuit in an optical disc apparatus
JP2641421B2 (ja) * 1985-03-22 1997-08-13 株式会社日立製作所 光学的検出方法、光学的情報再生装置、及び信号検出回路
CA2022192C (en) * 1989-08-04 1995-03-21 Shigemi Maeda Optical disk recording/reproducing device
JP2883215B2 (ja) * 1991-01-16 1999-04-19 パイオニア株式会社 光学式記録媒体演奏装置
TW213519B (de) * 1991-08-01 1993-09-21 Philips Nv
EP0525896B1 (de) * 1991-08-01 1997-01-02 Koninklijke Philips Electronics N.V. Kompatible optische Abtastvorrichtung
ATE150573T1 (de) * 1991-12-30 1997-04-15 Philips Electronics Nv Optische einrichtung und mit einer solchen optischen einrichtung versehenes gerät zum abtasten einer informationsebene

Also Published As

Publication number Publication date
DE69414350T2 (de) 1999-06-02
KR100318143B1 (ko) 2002-09-05
CN1085368C (zh) 2002-05-22
DE69414350D1 (de) 1998-12-10
US5459704A (en) 1995-10-17
KR950020296A (ko) 1995-07-24
EP0656624A1 (de) 1995-06-07
EP0656624B1 (de) 1998-11-04
HK1012772A1 (en) 1999-08-06
BE1007852A3 (nl) 1995-11-07
JPH07201043A (ja) 1995-08-04
TW249284B (de) 1995-06-11
SG44007A1 (en) 1997-11-14
CN1108416A (zh) 1995-09-13

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties