DE69129616T2 - Optischer Plattenspieler und optischer Kopf - Google Patents

Optischer Plattenspieler und optischer Kopf

Info

Publication number
DE69129616T2
DE69129616T2 DE69129616T DE69129616T DE69129616T2 DE 69129616 T2 DE69129616 T2 DE 69129616T2 DE 69129616 T DE69129616 T DE 69129616T DE 69129616 T DE69129616 T DE 69129616T DE 69129616 T2 DE69129616 T2 DE 69129616T2
Authority
DE
Germany
Prior art keywords
optical
turntable
head
optical head
optical turntable
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 - Fee Related
Application number
DE69129616T
Other languages
English (en)
Other versions
DE69129616D1 (de
Inventor
Tatsuya Sugita
Yoshio Sato
Nobuyoshi Tsuboi
Hiroyuki Minemura
Hisashi Andoh
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69129616D1 publication Critical patent/DE69129616D1/de
Application granted granted Critical
Publication of DE69129616T2 publication Critical patent/DE69129616T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G06K19/042—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD
    • G06K19/044—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD comprising galvanic contacts for contacting an integrated circuit chip thereon
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/0408—Feeding or guiding single record carrier to or from transducer unit of non-disc record carrier, e.g. card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0308—Shutters
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0313—Container cases
    • G11B23/0316—Constructional details, e.g. shape
    • 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
    • G11B7/002—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
DE69129616T 1990-11-05 1991-10-28 Optischer Plattenspieler und optischer Kopf Expired - Fee Related DE69129616T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29731590 1990-11-05

Publications (2)

Publication Number Publication Date
DE69129616D1 DE69129616D1 (de) 1998-07-23
DE69129616T2 true DE69129616T2 (de) 1998-10-15

Family

ID=17844921

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129616T Expired - Fee Related DE69129616T2 (de) 1990-11-05 1991-10-28 Optischer Plattenspieler und optischer Kopf

Country Status (7)

Country Link
US (1) US5311494A (de)
EP (1) EP0484788B1 (de)
KR (1) KR100230529B1 (de)
CN (1) CN1066557C (de)
AU (1) AU638876B2 (de)
CA (1) CA2054316A1 (de)
DE (1) DE69129616T2 (de)

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EP0604435B1 (de) * 1991-09-11 1998-09-02 Seagate Technology, Inc. Karte mit 1,8" winchester-laufwerk
US5481530A (en) * 1992-10-20 1996-01-02 Mitsubishi Chemical Corporation High density optical recording method and recording medium
US6321028B1 (en) * 1995-06-12 2001-11-20 Sanyo Electric Co., Ltd. Optical disk recording/reproduction apparatus for recording/reproducing information to/from optical disk of different standards
US5966362A (en) * 1995-11-02 1999-10-12 Konica Corporation Optical system for recording and reproducing for use in optical information recording medium
IL116241A (en) * 1995-12-03 1999-12-31 Mem Card Comp Memory Systems L Memory card and reader therefor
JP3355270B2 (ja) * 1996-02-05 2002-12-09 アルプス電気株式会社 発光モジュール
US5748575A (en) * 1996-03-05 1998-05-05 Intellectual Science And Technology, Inc. Information processing apparatus having a multitasking function with one or more optical discs
JPH09243805A (ja) * 1996-03-13 1997-09-19 Sony Corp レンズ設計方法
US6011772A (en) * 1996-09-16 2000-01-04 Spectradisc Corporation Machine-readable optical disc with reading-inhibit agent
DE19642716A1 (de) * 1996-10-16 1998-04-23 Thomson Brandt Gmbh Wiedergabe- oder Aufzeichnungsgerät für optische Aufzeichnungsträger
US6747930B1 (en) 1996-12-24 2004-06-08 Hide & Seek Technologies, Inc. Data protection on an optical disk
WO1998050911A2 (en) * 1997-05-02 1998-11-12 Lee Howard Hong Dough Information processing with a plurality of optical discs
US6338933B1 (en) 1998-06-25 2002-01-15 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable
US6531262B1 (en) 1998-06-25 2003-03-11 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
FR2782187A1 (fr) * 1998-08-05 2000-02-11 Michel Forgues Disque compact sous forme de carte de visite
JP4207315B2 (ja) * 1999-07-09 2009-01-14 ソニー株式会社 情報記録ディスク
JP4243059B2 (ja) * 1999-07-12 2009-03-25 フレックスプレイ・テクノロジーズ・インコーポレイテッド 使捨て式光学記憶媒体とその製造方法
EP1085514B1 (de) * 1999-09-10 2004-09-08 International Consulting S.r.l. Datenspeichervorrichtung
DE10004621A1 (de) * 2000-02-01 2001-08-02 Manfred Trauner Multmedia-DVD-Kartenrecorder
US6638593B2 (en) * 2000-06-30 2003-10-28 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
AU2001259033A1 (en) 2000-06-30 2002-01-14 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US20050063256A1 (en) * 2000-06-30 2005-03-24 Selinfreund Richard H. Data storage in optical discs
US7660415B2 (en) 2000-08-03 2010-02-09 Selinfreund Richard H Method and apparatus for controlling access to storage media
AU2002230571A1 (en) * 2000-10-23 2002-05-06 Magnacarda, Inc. Card reader apparatus and method
US7058000B2 (en) * 2000-12-08 2006-06-06 Sony Corporation Information recording disc having an anti-reflection layer and information recording/reproducing apparatus
US6982109B2 (en) * 2000-12-11 2006-01-03 Flexplay Technologies, Inc. Method for rendering surface layer of limited play disk lightfast
US6908725B2 (en) * 2001-01-16 2005-06-21 Dphi Acquisitions, Inc. Double-sided hybrid optical disk with surface topology
US7368222B2 (en) 2001-01-16 2008-05-06 Dphi Acquisitions, Inc. Optical data storage media with enhanced contrast
CA2449423A1 (en) * 2001-06-05 2002-12-12 Flexplay Technologies, Inc. Limited play optical devices with interstitial reactive layer and methods of making same
JP2003030862A (ja) * 2001-07-17 2003-01-31 Hitachi-Lg Data Storage Inc ディスク装置
KR100788647B1 (ko) * 2001-09-12 2007-12-26 삼성전자주식회사 디스크 카트리지
US6947368B2 (en) * 2001-12-07 2005-09-20 Koninklijke Philips Electronics N.V. Duel-layer optical scanner with non-periodic phase structure element of birefringent material for different wavefront aberration compensation of orthogonally polarized radiation beams
US20030153149A1 (en) * 2002-02-08 2003-08-14 Zhong Dong Floating gate nitridation
US20050273005A1 (en) * 2002-08-14 2005-12-08 Koninklijke Philips Electronics N.V. Disc cartridge
EP1547054A4 (de) * 2002-09-26 2010-01-20 Verification Technologies Inc AUTHENTIFIKATION VON ARTIKELN UNTER VERWENDUNG VON MATERIALIEN MIT TRANSIENTER OPTISCHER ZUSTANDSûNDERUNG
JP4287712B2 (ja) * 2003-08-08 2009-07-01 株式会社日立エルジーデータストレージ 光ディスク装置、及び、そのためのデータ書き込み方法
US20060262677A1 (en) * 2005-05-09 2006-11-23 Willrich Candace Y Optical disc drive with multiple disc capability
KR101106541B1 (ko) 2009-11-17 2012-01-20 도시바삼성스토리지테크놀러지코리아 주식회사 광픽업장치

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JPS56137555A (en) * 1980-03-27 1981-10-27 Sony Corp Optical disc cassette and disc driving method
US4742219A (en) * 1981-09-17 1988-05-03 Tokyo Shibaura Denki Kabushiki Kaisha Apparatus for detecting the focusing state and positional accuracy of a light beam directed onto an optical disk tracking guide in an optical read/write system
JPS58219511A (ja) * 1982-06-16 1983-12-21 Olympus Optical Co Ltd 光デイスク用レンズ
US4477894A (en) * 1982-08-10 1984-10-16 Rca Corporation Protective cartridge for disc record
JPS6079581A (ja) * 1983-10-05 1985-05-07 Dainippon Printing Co Ltd 回転式記録媒体シ−トを内包するカ−ド
JPS6118918A (ja) * 1984-07-05 1986-01-27 Ricoh Co Ltd ビ−ム整形光学系
JPS61267940A (ja) * 1985-05-22 1986-11-27 Toshiba Corp 光学ヘツド
DE3683634D1 (de) * 1985-09-10 1992-03-05 Mitsubishi Electric Corp Anordnung mit optischem kopf.
JPS6262441A (ja) * 1985-09-13 1987-03-19 Konishiroku Photo Ind Co Ltd 光情報媒体の記録・再生用光学系
JP2507366B2 (ja) * 1986-11-28 1996-06-12 株式会社東芝 情報記憶媒体
JPH01105338A (ja) * 1987-07-14 1989-04-21 Mitsubishi Electric Corp 光記録再生装置
JPH01116926A (ja) * 1987-10-29 1989-05-09 Csk Corp 光メモリカードの書込装置
NL8800870A (nl) * 1988-04-05 1989-11-01 Jan Essebaggers Informatiedrager van het type cd-rom met memo strip.
US5105407A (en) * 1989-01-11 1992-04-14 Kabushiki Kaisha Toshiba Optical information-processing apparatus
US5077726A (en) * 1989-04-05 1991-12-31 Bernoulli Optical Systems Company Optical disc cartridge with a flexible storage medium
JP3013404B2 (ja) * 1990-07-19 2000-02-28 ソニー株式会社 高密度記録光ディスク駆動装置用単玉集光レンズ

Also Published As

Publication number Publication date
DE69129616D1 (de) 1998-07-23
CA2054316A1 (en) 1992-05-06
US5311494A (en) 1994-05-10
EP0484788A2 (de) 1992-05-13
EP0484788B1 (de) 1998-06-17
AU638876B2 (en) 1993-07-08
AU8687691A (en) 1992-06-11
KR920010558A (ko) 1992-06-26
CN1061484A (zh) 1992-05-27
CN1066557C (zh) 2001-05-30
EP0484788A3 (en) 1993-03-03
KR100230529B1 (ko) 1999-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee