ATE102732T1 - Wiedergabegeraet fuer optisches aufzeichnungsmedium. - Google Patents

Wiedergabegeraet fuer optisches aufzeichnungsmedium.

Info

Publication number
ATE102732T1
ATE102732T1 AT89105077T AT89105077T ATE102732T1 AT E102732 T1 ATE102732 T1 AT E102732T1 AT 89105077 T AT89105077 T AT 89105077T AT 89105077 T AT89105077 T AT 89105077T AT E102732 T1 ATE102732 T1 AT E102732T1
Authority
AT
Austria
Prior art keywords
recording medium
optical recording
detecting
playback device
information signal
Prior art date
Application number
AT89105077T
Other languages
English (en)
Inventor
Hiroshi Ohki
Shoei Kobayashi
Takuya Wada
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE102732T1 publication Critical patent/ATE102732T1/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
    • 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
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
AT89105077T 1988-04-08 1989-03-21 Wiedergabegeraet fuer optisches aufzeichnungsmedium. ATE102732T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63086776A JP2745529B2 (ja) 1988-04-08 1988-04-08 光学記録媒体の再生装置
EP89105077A EP0336209B1 (de) 1988-04-08 1989-03-21 Wiedergabegerät für optisches Aufzeichnungsmedium

Publications (1)

Publication Number Publication Date
ATE102732T1 true ATE102732T1 (de) 1994-03-15

Family

ID=13896158

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89105077T ATE102732T1 (de) 1988-04-08 1989-03-21 Wiedergabegeraet fuer optisches aufzeichnungsmedium.

Country Status (7)

Country Link
US (1) US5008521A (de)
EP (1) EP0336209B1 (de)
JP (1) JP2745529B2 (de)
KR (1) KR0173447B1 (de)
AT (1) ATE102732T1 (de)
CA (1) CA1328016C (de)
DE (1) DE68913573T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491678A (en) * 1990-05-25 1996-02-13 Hitachi, Ltd. Method and apparatus for recording/reproducing information data in a two-dimensional format
JP2809479B2 (ja) * 1990-05-29 1998-10-08 オリンパス光学工業株式会社 データ記録再生装置
US5692068A (en) * 1991-06-27 1997-11-25 E. L. Bryenton Portable hand-held banknote reader
JPH05128574A (ja) * 1991-10-31 1993-05-25 Olympus Optical Co Ltd 光学ヘツド
JPH05128536A (ja) * 1991-11-01 1993-05-25 Olympus Optical Co Ltd 光記録媒体の再生装置
US5291463A (en) * 1991-11-05 1994-03-01 Olympus Optical Co., Ltd. Optical card reproducing apparatus for reproducing information with a two-dimensional solid-state imaging device
IL101570A0 (en) * 1992-04-10 1992-12-30 Amir Alon Method and apparatus for reading data
US5402399A (en) * 1992-08-31 1995-03-28 Olympus Optical Co., Ltd. Apparatus and method for reproducing information data from optical cards
JPH0676314A (ja) * 1992-08-31 1994-03-18 Olympus Optical Co Ltd 光学的情報再生装置
US5511051A (en) * 1992-08-31 1996-04-23 Olympus Optical Co., Ltd. Optical recording/reproducing apparatus capable of multi-track access for simultaneous multirack recording/reproduction
IL106009A0 (en) * 1993-06-14 1993-10-20 Amir Alon Method and apparatus for the simultaneous writing of data on an optical disk
IL107181A0 (en) * 1993-10-04 1994-01-25 Nogatech Ltd Optical disk reader
US6027855A (en) * 1996-12-20 2000-02-22 Omd Devices Llc Photo-chemical generation of stable fluorescent derivatives of Rhodamine B
AU6178398A (en) * 1997-02-21 1998-09-09 Board Of Regents Of The University And Community College System Of Nevada, The Method and system for computerized high-rate image processing
US20050247776A1 (en) * 2004-05-04 2005-11-10 Bsi2000, Inc. Authenticating optical-card reader

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900716A (en) * 1972-10-17 1975-08-19 Matsushita Electric Ind Co Ltd Optical static card reader
US4402088A (en) * 1981-04-09 1983-08-30 Recognition Equipment Incorporated OCR And bar code reading using area array
JPS6252730A (ja) * 1985-08-30 1987-03-07 Toshiba Corp 光記録媒体の読取装置
KR900007137B1 (ko) * 1985-11-06 1990-09-29 닛뽕 덴소오 가부시기가이샤 광학적 정보 판독장치
US4931628A (en) * 1985-11-18 1990-06-05 Sony Corporation Apparatus for reproducing optical card data without position indicators
JPS62173628A (ja) * 1986-01-27 1987-07-30 Hitachi Ltd 光カ−ド装置
US4745484A (en) * 1986-07-30 1988-05-17 Drexler Technology Corporation Method and apparatus for stepped imaging in reading data

Also Published As

Publication number Publication date
CA1328016C (en) 1994-03-22
EP0336209A3 (de) 1991-05-15
DE68913573T2 (de) 1994-09-29
KR890016518A (ko) 1989-11-29
KR0173447B1 (ko) 1999-04-15
JPH01258228A (ja) 1989-10-16
JP2745529B2 (ja) 1998-04-28
DE68913573D1 (de) 1994-04-14
EP0336209A2 (de) 1989-10-11
US5008521A (en) 1991-04-16
EP0336209B1 (de) 1994-03-09

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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