DE69426795D1 - Aufzeichnungs- und Wiedergabegerät - Google Patents

Aufzeichnungs- und Wiedergabegerät

Info

Publication number
DE69426795D1
DE69426795D1 DE69426795T DE69426795T DE69426795D1 DE 69426795 D1 DE69426795 D1 DE 69426795D1 DE 69426795 T DE69426795 T DE 69426795T DE 69426795 T DE69426795 T DE 69426795T DE 69426795 D1 DE69426795 D1 DE 69426795D1
Authority
DE
Germany
Prior art keywords
positional information
recording medium
secret code
transparent substrate
predetermined reference
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
DE69426795T
Other languages
English (en)
Other versions
DE69426795T2 (de
Inventor
Mitsuaki Oshima
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69426795D1 publication Critical patent/DE69426795D1/de
Application granted granted Critical
Publication of DE69426795T2 publication Critical patent/DE69426795T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

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    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
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    • 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
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    • 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
    • G11B7/00745—Sectoring or header formats within a track
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    • 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
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    • 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
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    • 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
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
DE69426795T 1993-07-27 1994-07-27 Aufzeichnungs- und Wiedergabegerät Expired - Lifetime DE69426795T2 (de)

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USRE40957E1 (en) 1992-01-29 2009-11-10 Panasonic Corporation Medium, apparatus, and method related to encryption resultant information
EP0637016B1 (de) * 1993-07-27 2001-03-07 Matsushita Electric Industrial Co., Ltd. Aufzeichnungs- und Wiedergabegerät
US6747930B1 (en) 1996-12-24 2004-06-08 Hide & Seek Technologies, Inc. Data protection on an optical disk
JP4277452B2 (ja) * 2000-02-25 2009-06-10 ソニー株式会社 記録装置、再生装置
EP1195261A3 (de) * 2000-10-06 2002-04-17 Master Mind, Co., Ltd. Aufzeichnungsmediumdruckverfahren
JP4880140B2 (ja) 2001-09-07 2012-02-22 任天堂株式会社 光ディスクならびに光ディスク再生装置および記録装置
KR20040003288A (ko) * 2002-07-02 2004-01-13 엘지전자 주식회사 고밀도 광디스크와, 그에 따른 광디스크 장치에서의 재생제한방법
US20080247296A1 (en) * 2005-09-30 2008-10-09 Koninklijke Philips Electronics, N.V. Optical Storage Disk and System Comprising a Disk with Non-Uniformly Spaced Tracks

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JPS58182171A (ja) * 1982-04-16 1983-10-25 Matsushita Electric Ind Co Ltd 円盤状記録媒体の再生装置
US4785361A (en) * 1982-11-08 1988-11-15 Vault Corporation Method and apparatus for frustrating the unauthorized copying of recorded data
NL8303046A (nl) * 1983-09-01 1985-04-01 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
JPS62205580A (ja) * 1986-03-05 1987-09-10 Hitachi Ltd デイスクおよびそれを用いたデ−タ保護方式
JPH02179951A (ja) 1988-12-29 1990-07-12 Nec Home Electron Ltd 記憶媒体と外部記憶装置
JPH0363936A (ja) * 1989-08-02 1991-03-19 Sharp Corp 信号領域判別装置
JP2794876B2 (ja) * 1990-02-08 1998-09-10 日本電気株式会社 浮上磁気ヘッド位置制御装置
NL9101358A (nl) 1991-08-07 1993-03-01 Homer Bv Registratiedrager met echtheidskenmerk.
US5418852A (en) * 1992-03-18 1995-05-23 Fujitsu Limited Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus
EP0637016B1 (de) * 1993-07-27 2001-03-07 Matsushita Electric Industrial Co., Ltd. Aufzeichnungs- und Wiedergabegerät
KR100381116B1 (ko) * 1994-04-18 2003-07-22 마쯔시다덴기산교 가부시키가이샤 광기록매체정보의불법복사또는불법설치방지방법및장치

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EP1050879A2 (de) 2000-11-08
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EP0637016A3 (de) 1995-08-30
EP0637016B1 (de) 2001-03-07
DE69426795T2 (de) 2001-11-08
EP1050879A3 (de) 2006-10-18
KR950004125A (ko) 1995-02-17

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