DE3583737D1 - Kontrollsystem fuer aufgezeichnete informationen. - Google Patents

Kontrollsystem fuer aufgezeichnete informationen.

Info

Publication number
DE3583737D1
DE3583737D1 DE8585902938T DE3583737T DE3583737D1 DE 3583737 D1 DE3583737 D1 DE 3583737D1 DE 8585902938 T DE8585902938 T DE 8585902938T DE 3583737 T DE3583737 T DE 3583737T DE 3583737 D1 DE3583737 D1 DE 3583737D1
Authority
DE
Germany
Prior art keywords
control system
recorded information
recorded
information
control
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
DE8585902938T
Other languages
English (en)
Inventor
Cunningham Mcwhirter
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.)
McWhirter Holdings Pty Ltd
Original Assignee
McWhirter Holdings Pty 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3770671&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3583737(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by McWhirter Holdings Pty Ltd filed Critical McWhirter Holdings Pty Ltd
Application granted granted Critical
Publication of DE3583737D1 publication Critical patent/DE3583737D1/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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
DE8585902938T 1984-07-16 1985-06-14 Kontrollsystem fuer aufgezeichnete informationen. Expired - Lifetime DE3583737D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG601784 1984-07-16
PCT/AU1985/000130 WO1986000745A1 (en) 1984-07-16 1985-06-14 Recorded information verification system

Publications (1)

Publication Number Publication Date
DE3583737D1 true DE3583737D1 (de) 1991-09-12

Family

ID=3770671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585902938T Expired - Lifetime DE3583737D1 (de) 1984-07-16 1985-06-14 Kontrollsystem fuer aufgezeichnete informationen.

Country Status (8)

Country Link
US (1) US4717973A (de)
EP (1) EP0191775B1 (de)
JP (1) JPS62500056A (de)
CA (1) CA1283974C (de)
DE (1) DE3583737D1 (de)
IE (1) IE57048B1 (de)
NZ (1) NZ212497A (de)
WO (1) WO1986000745A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4706282A (en) * 1985-12-23 1987-11-10 Minnesota Mining And Manufacturing Company Decoder for a recorder-decoder system
JPH0789429B2 (ja) * 1986-02-07 1995-09-27 株式会社日立製作所 データ読込み方法
GB8809346D0 (en) * 1988-04-20 1988-05-25 Emi Plc Thorn Improvements relating to marked recorded signals
US5363252A (en) * 1993-06-30 1994-11-08 International Business Machines Corporation Method and system for track skew tolerant acquistion burst sequence validation in a data storage system
DE19521264C2 (de) * 1995-06-10 2001-09-20 Sel Alcatel Ag Vorrichtung zur Erzeugung eines unterschriebenen Bildes
US6091816A (en) * 1995-11-07 2000-07-18 Trimble Navigation Limited Integrated audio recording and GPS system
DE19615301A1 (de) * 1996-04-18 1997-10-23 Deutsche Telekom Ag Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Bild- und/oder Tondaten
DE19615302A1 (de) * 1996-04-18 1997-10-23 Deutsche Telekom Ag Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Tondaten
US20110038594A1 (en) * 2008-04-25 2011-02-17 Symons Gary M Handheld recorder incorporating true raw audio or video certification
GB2511479A (en) * 2012-12-17 2014-09-10 Librae Ltd Interacting toys

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040099A (en) * 1975-07-30 1977-08-02 Cook Laboratories, Inc. Method and apparatus for preparing recorded program material to render detectable unauthorized magnetic tape duplications, and method and apparatus for detecting such duplications
CH610135A5 (en) * 1976-09-02 1979-03-30 Patek Philippe Method of recording on a magnetic medium and magnetic medium recorded according to this method
US4404603A (en) * 1980-05-27 1983-09-13 Warren Eugene D Apparatus and method for inspecting magnetic tape recorded material for alterations
AU547877B2 (en) * 1980-09-26 1985-11-07 B. Lofberg Method for processing an information signal and means for carrying out the method
NZ199275A (en) * 1980-12-16 1984-11-09 Minnesota Mining Mfg Australia Verification of recorded messages
AU544307B2 (en) * 1981-05-27 1985-05-23 Mcwhirter Holdings Pty. Ltd. Varification of recorded messages
GB2117549A (en) * 1982-03-19 1983-10-12 Kegmatics Limited Security marking video tape recordings

Also Published As

Publication number Publication date
US4717973A (en) 1988-01-05
NZ212497A (en) 1988-10-28
EP0191775A1 (de) 1986-08-27
IE57048B1 (en) 1992-04-08
WO1986000745A1 (en) 1986-01-30
CA1283974C (en) 1991-05-07
JPS62500056A (ja) 1987-01-08
EP0191775B1 (de) 1991-08-07
EP0191775A4 (de) 1988-09-28
IE851768L (en) 1986-01-16

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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