DE69321938T2 - Optisches informationsaufzeichnungsmedium und verfahren zum lesen derselben information - Google Patents

Optisches informationsaufzeichnungsmedium und verfahren zum lesen derselben information

Info

Publication number
DE69321938T2
DE69321938T2 DE69321938T DE69321938T DE69321938T2 DE 69321938 T2 DE69321938 T2 DE 69321938T2 DE 69321938 T DE69321938 T DE 69321938T DE 69321938 T DE69321938 T DE 69321938T DE 69321938 T2 DE69321938 T2 DE 69321938T2
Authority
DE
Germany
Prior art keywords
reading
recording medium
information recording
optical information
same information
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69321938T
Other languages
English (en)
Other versions
DE69321938D1 (de
Inventor
Toshiki Toda Toshiki Toda
Susumu Shinmatsudo-H Takahashi
Fujio Green-House-Iwata Iwata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of DE69321938D1 publication Critical patent/DE69321938D1/de
Application granted granted Critical
Publication of DE69321938T2 publication Critical patent/DE69321938T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • 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
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
DE69321938T 1992-08-28 1993-08-26 Optisches informationsaufzeichnungsmedium und verfahren zum lesen derselben information Expired - Lifetime DE69321938T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23053592A JP3175326B2 (ja) 1992-08-28 1992-08-28 光情報記録媒体およびその情報読取り方法
PCT/JP1993/001199 WO1994006113A1 (en) 1992-08-28 1993-08-26 Optical information recording medium and method of reading the same information

Publications (2)

Publication Number Publication Date
DE69321938D1 DE69321938D1 (de) 1998-12-10
DE69321938T2 true DE69321938T2 (de) 1999-07-01

Family

ID=16909277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321938T Expired - Lifetime DE69321938T2 (de) 1992-08-28 1993-08-26 Optisches informationsaufzeichnungsmedium und verfahren zum lesen derselben information

Country Status (5)

Country Link
US (3) US5570338A (de)
EP (1) EP0613126B1 (de)
JP (1) JP3175326B2 (de)
DE (1) DE69321938T2 (de)
WO (1) WO1994006113A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754520A (en) * 1994-12-22 1998-05-19 Landis & Gyr Technology Innovation Ag Optical data carriers and reading devices therefor
JP2795205B2 (ja) * 1995-01-23 1998-09-10 日本電気株式会社 光磁気記録媒体用光学素子及び再生方法
US6540381B1 (en) 1995-10-20 2003-04-01 Douglass, Ii Myrl Rae Spectral light tube
US6347877B1 (en) * 1997-08-12 2002-02-19 Douglass, Ii Myrl Rae Cable grid spectral lighting system
JP3924864B2 (ja) * 1997-10-01 2007-06-06 凸版印刷株式会社 回折格子ディスプレイ
HU9801029D0 (en) * 1998-05-05 1998-06-29 Optilink Ab Method and system for recording information on a holographic card
US6909687B2 (en) * 2000-03-29 2005-06-21 Sanyo Electric Co., Ltd. Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state
DE10039374A1 (de) * 2000-08-11 2002-02-21 Eml Europ Media Lab Gmbh Holographischer Datenspeicher
DE10039372C2 (de) 2000-08-11 2003-05-15 Tesa Scribos Gmbh Holographischer Datenspeicher
DE10060235A1 (de) * 2000-12-05 2002-06-13 Tesa Ag Verwendung eines Packbands als holographischer Datenträger
DE10156793A1 (de) 2001-11-19 2003-10-09 Tesa Scribos Gmbh Sicherheitsklebeband
JP2004109417A (ja) * 2002-09-18 2004-04-08 Dainippon Printing Co Ltd 光回折構造の製造方法、複製版材、及び媒体
FI118165B (fi) * 2002-12-23 2007-07-31 Avantone Oy Mikro-optiseen hilarakenteeseen perustuva visuaalinen efekti
US7345987B2 (en) * 2003-01-21 2008-03-18 Kenley Earl Brinkerhoff Optical disc which stores digital information in informational units which diffract a line of laser light at one of 1024 angles and a corresponding light detecting apparatus for reproducing information from said optical disc
US7251208B2 (en) * 2004-06-01 2007-07-31 Matsushita Electric Industrial Co., Ltd. Optical pick-up system for use in an optical disk device including use of improved gratings with more efficient beam diffraction
US8018799B2 (en) * 2005-11-01 2011-09-13 Mitsubishi Electric Corporation Optical pickup device and optical disc device
US20070188869A1 (en) * 2006-02-10 2007-08-16 Matsushita Electric Industrial Co., Ltd. Oblique parallelogram pattern diffractive optical element
TWI305826B (en) * 2006-12-13 2009-02-01 Ind Tech Res Inst Method for correlating the line width roughness of gratings and method for measurement
WO2014166491A1 (en) * 2013-04-13 2014-10-16 Inmold Biosystems A/S Method and apparatus for producing a 2d barcode encoded part by molding being identifiable using a smartphone

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57141032A (en) * 1982-01-25 1982-09-01 Hitachi Ltd Optical head and information reproducing device
JPS61134946A (ja) * 1984-12-06 1986-06-23 Canon Inc 光情報記録媒体
JPS63285732A (ja) * 1987-05-19 1988-11-22 Pioneer Electronic Corp 光学式ピックアップ装置
US5007690A (en) * 1989-03-21 1991-04-16 Hughes Aircraft Company Holographic data storage and retrieval system
US5283690A (en) * 1989-04-04 1994-02-01 Sharp Kabushiki Kaisha Optical diffraction grating element
JPH0621108Y2 (ja) * 1990-03-22 1994-06-01 日本コロムビア株式会社 光ディスクおよび読取装置
JPH0416684A (ja) * 1990-05-09 1992-01-21 Taamo:Kk 止具
JPH0550788A (ja) * 1991-08-22 1993-03-02 Toppan Printing Co Ltd カードおよびカード読み取り装置
JPH05144079A (ja) * 1991-11-19 1993-06-11 Dainippon Printing Co Ltd 光学的記録体
JP3173839B2 (ja) * 1992-01-17 2001-06-04 パイオニア株式会社 記録媒体用情報再生装置及び再生方法
US5331626A (en) * 1992-01-20 1994-07-19 Pioneer Electronic Corporation Recording medium and information recording and reproducing apparatus therefor
JP3067872B2 (ja) * 1992-01-20 2000-07-24 パイオニア株式会社 記録媒体及びその情報書込・再生の各装置
JP3067874B2 (ja) * 1992-01-20 2000-07-24 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
US5400313A (en) * 1992-11-09 1995-03-21 International Business Machines Corporation Optical data storage system and method with reduced heat buildup
US5566387A (en) * 1993-12-23 1996-10-15 Tamarack Storage Devices Diamond shaped holographic storage regions oriented along a common radial column line for higher storage density

Also Published As

Publication number Publication date
EP0613126B1 (de) 1998-11-04
US5625619A (en) 1997-04-29
US5644565A (en) 1997-07-01
DE69321938D1 (de) 1998-12-10
WO1994006113A1 (en) 1994-03-17
EP0613126A4 (de) 1995-01-18
JP3175326B2 (ja) 2001-06-11
JPH0676365A (ja) 1994-03-18
EP0613126A1 (de) 1994-08-31
US5570338A (en) 1996-10-29

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Legal Events

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8364 No opposition during term of opposition