ATE94305T1 - Apparat zur ueberwachung der markierung von aufgezeichneten signalen. - Google Patents

Apparat zur ueberwachung der markierung von aufgezeichneten signalen.

Info

Publication number
ATE94305T1
ATE94305T1 AT89303866T AT89303866T ATE94305T1 AT E94305 T1 ATE94305 T1 AT E94305T1 AT 89303866 T AT89303866 T AT 89303866T AT 89303866 T AT89303866 T AT 89303866T AT E94305 T1 ATE94305 T1 AT E94305T1
Authority
AT
Austria
Prior art keywords
monitoring
marking
signal
recorded signals
recorded
Prior art date
Application number
AT89303866T
Other languages
English (en)
Inventor
Gordon Maufe Barry
Original Assignee
Emi Plc Thorn
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 Emi Plc Thorn filed Critical Emi Plc Thorn
Application granted granted Critical
Publication of ATE94305T1 publication Critical patent/ATE94305T1/de

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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • 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
    • G11B27/30—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 the same track as the main recording
    • G11B27/3027—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 the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Recording Measured Values (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
AT89303866T 1988-04-20 1989-04-19 Apparat zur ueberwachung der markierung von aufgezeichneten signalen. ATE94305T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888809346A GB8809346D0 (en) 1988-04-20 1988-04-20 Improvements relating to marked recorded signals
EP89303866A EP0339859B1 (de) 1988-04-20 1989-04-19 Apparat zur Überwachung der Markierung von aufgezeichneten Signalen

Publications (1)

Publication Number Publication Date
ATE94305T1 true ATE94305T1 (de) 1993-09-15

Family

ID=10635529

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89303866T ATE94305T1 (de) 1988-04-20 1989-04-19 Apparat zur ueberwachung der markierung von aufgezeichneten signalen.

Country Status (7)

Country Link
US (1) US5079648A (de)
EP (1) EP0339859B1 (de)
JP (1) JPH0215462A (de)
AT (1) ATE94305T1 (de)
DE (1) DE68908946T2 (de)
ES (1) ES2043007T3 (de)
GB (1) GB8809346D0 (de)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
US6301369B2 (en) 1992-07-31 2001-10-09 Digimarc Corporation Image marking to permit later identification
US6757406B2 (en) 1993-11-18 2004-06-29 Digimarc Corporation Steganographic image processing
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
DE69434237T2 (de) 1993-11-18 2005-12-08 Digimarc Corp., Tualatin Video mit versteckten in-Band digitalen Daten
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
USRE40919E1 (en) * 1993-11-18 2009-09-22 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US6944298B1 (en) 1993-11-18 2005-09-13 Digimare Corporation Steganographic encoding and decoding of auxiliary codes in media signals
US7313251B2 (en) * 1993-11-18 2007-12-25 Digimarc Corporation Method and system for managing and controlling electronic media
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US7171016B1 (en) 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US5841886A (en) 1993-11-18 1998-11-24 Digimarc Corporation Security system for photographic identification
US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US6449377B1 (en) * 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5832119C1 (en) 1993-11-18 2002-03-05 Digimarc Corp Methods for controlling systems using control signals embedded in empirical data
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US5841978A (en) 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US6408082B1 (en) 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US6869023B2 (en) * 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US6882738B2 (en) * 1994-03-17 2005-04-19 Digimarc Corporation Methods and tangible objects employing textured machine readable data
US7039214B2 (en) * 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6968057B2 (en) * 1994-03-17 2005-11-22 Digimarc Corporation Emulsion products and imagery employing steganography
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US6157721A (en) * 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US7133845B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. System and methods for secure transaction management and electronic rights protection
US7165174B1 (en) 1995-02-13 2007-01-16 Intertrust Technologies Corp. Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights management
US6948070B1 (en) 1995-02-13 2005-09-20 Intertrust Technologies Corporation Systems and methods for secure transaction management and electronic rights protection
US7124302B2 (en) * 1995-02-13 2006-10-17 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US20060206397A1 (en) * 1995-02-13 2006-09-14 Intertrust Technologies Corp. Cryptographic methods, apparatus and systems for storage media electronic right management in closed and connected appliances
US7069451B1 (en) 1995-02-13 2006-06-27 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
CN101398871B (zh) * 1995-02-13 2011-05-18 英特特拉斯特技术公司 用于安全交易管理和电子权利保护的系统和方法
US7095854B1 (en) 1995-02-13 2006-08-22 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US7143290B1 (en) 1995-02-13 2006-11-28 Intertrust Technologies Corporation Trusted and secure techniques, systems and methods for item delivery and execution
US6658568B1 (en) * 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US7133846B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US20030133592A1 (en) * 1996-05-07 2003-07-17 Rhoads Geoffrey B. Content objects with computer instructions steganographically encoded therein, and associated methods
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
US6728390B2 (en) 1995-05-08 2004-04-27 Digimarc Corporation Methods and systems using multiple watermarks
US7486799B2 (en) * 1995-05-08 2009-02-03 Digimarc Corporation Methods for monitoring audio and images on the internet
US6738495B2 (en) * 1995-05-08 2004-05-18 Digimarc Corporation Watermarking enhanced to withstand anticipated corruptions
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US7006661B2 (en) 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US6577746B1 (en) * 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US20030056103A1 (en) * 2000-12-18 2003-03-20 Levy Kenneth L. Audio/video commerce application architectural framework
US6381341B1 (en) * 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
AUPO521897A0 (en) * 1997-02-20 1997-04-11 Telstra R & D Management Pty Ltd Invisible digital watermarks
US7062500B1 (en) 1997-02-25 2006-06-13 Intertrust Technologies Corp. Techniques for defining, using and manipulating rights management data structures
US7092914B1 (en) * 1997-11-06 2006-08-15 Intertrust Technologies Corporation Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US6804376B2 (en) 1998-01-20 2004-10-12 Digimarc Corporation Equipment employing watermark-based authentication function
US7602940B2 (en) * 1998-04-16 2009-10-13 Digimarc Corporation Steganographic data hiding using a device clock
US6608911B2 (en) * 2000-12-21 2003-08-19 Digimarc Corporation Digitally watermaking holograms for use with smart cards
US6965873B1 (en) 1998-04-16 2005-11-15 Digimarc Corporation Electronic commerce using optical input device
US6782115B2 (en) 1998-04-16 2004-08-24 Digimarc Corporation Watermark holograms
US7164413B2 (en) * 1999-05-19 2007-01-16 Digimarc Corporation Enhanced input peripheral
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
US6625297B1 (en) 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
US7142691B2 (en) * 2000-03-18 2006-11-28 Digimarc Corporation Watermark embedding functions in rendering description files
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
US6912295B2 (en) * 2000-04-19 2005-06-28 Digimarc Corporation Enhancing embedding of out-of-phase signals
US7027614B2 (en) 2000-04-19 2006-04-11 Digimarc Corporation Hiding information to reduce or offset perceptible artifacts
US7305104B2 (en) * 2000-04-21 2007-12-04 Digimarc Corporation Authentication of identification documents using digital watermarks
US7346184B1 (en) 2000-05-02 2008-03-18 Digimarc Corporation Processing methods combining multiple frames of image data
US8055899B2 (en) * 2000-12-18 2011-11-08 Digimarc Corporation Systems and methods using digital watermarking and identifier extraction to provide promotional opportunities
US7822969B2 (en) * 2001-04-16 2010-10-26 Digimarc Corporation Watermark systems and methods
AU2002366244A1 (en) 2001-12-18 2003-06-30 Digimarc Id System, Llc Multiple image security features for identification documents and methods of making same
US7694887B2 (en) * 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
ATE552120T1 (de) * 2001-12-24 2012-04-15 L 1 Secure Credentialing Inc Verdeckte variableninformationen auf id- dokumenten und verfahren zu ihrer herstellung
US7728048B2 (en) * 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
ATE555911T1 (de) * 2001-12-24 2012-05-15 L 1 Secure Credentialing Inc Verfahren zur vollfarb-markierung von id- dokumenten
US20030131350A1 (en) 2002-01-08 2003-07-10 Peiffer John C. Method and apparatus for identifying a digital audio signal
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US20040091111A1 (en) * 2002-07-16 2004-05-13 Levy Kenneth L. Digital watermarking and fingerprinting applications
KR101014309B1 (ko) * 2002-10-23 2011-02-16 닐슨 미디어 리서치 인코퍼레이티드 압축된 오디오/비디오 데이터와 함께 사용하기 위한 디지털데이터 삽입장치 및 방법
AU2003298731A1 (en) 2002-11-26 2004-06-18 Digimarc Id Systems Systems and methods for managing and detecting fraud in image databases used with identification documents
US7712673B2 (en) 2002-12-18 2010-05-11 L-L Secure Credentialing, Inc. Identification document with three dimensional image of bearer
ATE491190T1 (de) 2003-04-16 2010-12-15 L 1 Secure Credentialing Inc Dreidimensionale datenspeicherung
US7744002B2 (en) * 2004-03-11 2010-06-29 L-1 Secure Credentialing, Inc. Tamper evident adhesive and identification document including same
TWI404419B (zh) * 2004-04-07 2013-08-01 Nielsen Media Res Inc 與壓縮過音頻／視頻資料一起使用之資料插入方法、系統、機器可讀取媒體及設備
US7668334B2 (en) 2004-07-02 2010-02-23 Digimarc Corp Conditioning imagery to better receive steganographic encoding
US9305559B2 (en) 2012-10-15 2016-04-05 Digimarc Corporation Audio watermark encoding with reversing polarity and pairwise embedding
US9401153B2 (en) 2012-10-15 2016-07-26 Digimarc Corporation Multi-mode audio recognition and auxiliary data encoding and decoding
US10043527B1 (en) 2015-07-17 2018-08-07 Digimarc Corporation Human auditory system modeling with masking energy adaptation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT6104B (de) * 1898-12-06 1901-12-10 Carl Heirich
US4172963A (en) * 1961-11-20 1979-10-30 Acf Industries, Incorporated Checker and automatic synchronizer for coding equipment
NZ199275A (en) * 1980-12-16 1984-11-09 Minnesota Mining Mfg Australia Verification of recorded messages
FR2515403A1 (fr) * 1981-10-28 1983-04-29 Quadrivium Inf Procede d'identification d'un enregistrement sonore et installation de duplication mettant en oeuvre le procede
EP0162071A1 (de) * 1983-11-21 1985-11-27 Haute Securite Video Hsv S.A. Verfahren und anordnung gegen unerlaubtes kopieren von kinematographischen und videobildträgern
EP0191775B1 (de) * 1984-07-16 1991-08-07 McWHIRTER HOLDINGS PTY LIMITED Kontrollsystem für aufgezeichnete informationen
GB8611014D0 (en) * 1986-05-06 1986-06-11 Emi Plc Thorn Signal identification
US4779265A (en) * 1986-10-27 1988-10-18 Bell Communications Research, Inc. Multiple access communication system

Also Published As

Publication number Publication date
EP0339859A1 (de) 1989-11-02
EP0339859B1 (de) 1993-09-08
ES2043007T3 (es) 1993-12-16
DE68908946T2 (de) 1994-03-24
US5079648A (en) 1992-01-07
GB8809346D0 (en) 1988-05-25
DE68908946D1 (de) 1993-10-14
JPH0215462A (ja) 1990-01-19

Similar Documents

Publication Publication Date Title
DE68908946D1 (de) Apparat zur Überwachung der Markierung von aufgezeichneten Signalen.
ATE97254T1 (de) Geraet zur markierung von aufgezeichneten signalen.
DE3673478D1 (de) Apparat und system zur erzeugung von lebensinformationssignalen.
DE3874261D1 (de) Einrichtung zur erzeugung von signalen zur zeitverschiebungskompensation.
DE68909286D1 (de) Verfahren und Gerät zur Nachrichtenübertragung.
DE3578246D1 (de) Vorrichtung zur aufzeichnung und wiedergabe von information.
DE3482347D1 (de) Geraet zum optischen aufzeichnen von informationen.
DE69203813D1 (de) Verfahren zur Überwachung und Regelung der Qualität von Stiftaufzeichnungen.
DE3674766D1 (de) Vorrichtung zur aufzeichnung von farbigen bildern mittels elektro-optischer modulatoren.
FR2471107B1 (fr) Appareil de reproduction d'un disque d'enregistrement d'un signal a modulation d'impulsions codees
DE3883907D1 (de) Vorrichtung zum Aufnehmen und Wiedergeben von digitalen Signalen.
DE3481459D1 (de) Vorrichtung zur wiedergabe von signaldaten.
KR900018911A (ko) 레코드 캐리어상에 신호를 기록하기 위한 방법 및 장치, 측정장치와 레코드 캐리어
DE3676761D1 (de) Geraet zur aufzeichnung eines informationssignals.
DE3583211D1 (de) Messkopf zur dimensionsueberwachung von mechanischen teilen.
DE3751101D1 (de) Modulator zur Erzeugung von PSK-Signalen mit konstanter Amplitude.
DE69124864D1 (de) Vorrichtung zur Modulation der Abtastgeschwindigkeit eines Strahls
AT351809B (de) Vorrichtung zur aufzeichnung und/oder wieder- gabe von signalen
DE68913947D1 (de) Vorrichtung zur erzeugung von videosignalen.
AT389024B (de) Geraet zur aufzeichnung und wiedergabe von farbfernsehsignalen
AT376099B (de) Vorrichtung zur aufzeichnung von videosignalen auf einem aufzeichnungstraeger
FR2494947B1 (fr) Appareil d'enregistrement de signaux video couleur
IT1129450B (it) Circuito modulatore di apmiezza per la modulazione di un segnale video su un segnale portante
DE3789821D1 (de) Videogerät zur Erzeugung eines potentialgetrennten Steuersignals.
DE3871280D1 (de) Geraet zur optischen informationsaufzeichnung mit mitteln zum feststellen und halten von servosignalen, wenn die intensitaet eines lichtstrahles veraendert wird.

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties