GB2288476A
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1994-04-05 |
1995-10-18 |
Ibm |
Authentication of printed documents.
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JP2952170B2
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1994-12-16 |
1999-09-20 |
オリンパス光学工業株式会社 |
情報再生システム
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1995-01-03 |
1996-11-05 |
Xerox Corporation |
Distributed type labeling for embedded data blocks
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1995-01-03 |
1999-08-17 |
Xerox Corporation |
Distributed dimensional labeling for dimensional characterization of embedded data blocks
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1995-02-13 |
2003-12-02 |
Intertrust Technologies Corporation |
Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
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1996-08-30 |
1999-04-06 |
Intertrust Technologies Corp. |
Systems and methods for secure transaction management and electronic rights protection
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CN100452071C
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1995-02-13 |
2009-01-14 |
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
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1995-02-13 |
2006-11-07 |
Intertrust Technologies Corp. |
Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
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1996-08-12 |
1999-08-24 |
Intertrust Technologies Corp. |
Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
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1995-02-13 |
2005-09-20 |
Intertrust Technologies Corporation |
Systems and methods for secure transaction management and electronic rights protection
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1996-08-12 |
2000-12-05 |
Intertrust Technologies Corp. |
Systems and methods using cryptography to protect secure computing environments
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1995-12-21 |
1998-02-10 |
Xerox Corporation |
Tiled embedded data block-types for generic embedded data block systems
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1995-12-21 |
1999-12-14 |
Xerox Corporation |
Tilings of mono-code and dual-code embedded data pattern strips for robust asynchronous capture
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1998-08-04 |
2001-08-02 |
Christopher D. Coley |
Automated system for management of licensed software
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1996-10-10 |
1999-01-26 |
Xerox Corporation |
Analog glyph detector and detector arrays
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1996-12-20 |
2001-12-04 |
Xerox Parc |
Glyph address carpet methods and apparatus for providing location information in a multidimensional address space
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1996-12-20 |
1999-01-19 |
Xerox Corporation |
Parallel propagating embedded binary sequences for characterizing and parameterizing two dimensional image domain code patterns in N-dimensional address space
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1997-02-25 |
1999-07-06 |
Intertrust Technologies Corp. |
Techniques for defining using and manipulating rights management data structures
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1997-11-06 |
2000-08-29 |
Intertrust Technologies Corporation |
Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
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1998-01-29 |
2000-06-27 |
Xerox Corporation |
Line screen having extended dynamic tone range for embedding machine readable data in halftone images
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1998-04-01 |
2001-12-18 |
Xerox Corporation |
Marking medium area with encoded identifier for producing action through network
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1998-04-01 |
1999-10-07 |
Xerox Corporation |
Routing document identifiers
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AUPQ439299A0
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1999-12-01 |
1999-12-23 |
Silverbrook Research Pty Ltd |
Interface system
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1999-09-22 |
2002-07-16 |
Xerox Corporation |
Maximizing data capacity for embedded data blocks with occlusions therein
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1999-09-22 |
2002-01-29 |
Xerox Corporation |
Method of encoding embedded data blocks containing occlusions
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1999-10-01 |
2002-06-04 |
Anoto Ab |
Positionsbestämning på en yta försedd med ett positionskodningsmönster
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1999-12-01 |
2011-08-16 |
Silverbrook Research Pty Ltd |
Printing on pre-tagged media
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1999-12-16 |
2001-10-02 |
Xerox Corporation |
Machine-readable record with a two-dimensional lattice of synchronization code interleaved with data code
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1999-12-17 |
2004-03-30 |
Xerox Corporation |
Use of correlation histograms for improved glyph decoding
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1999-12-20 |
2006-01-31 |
Xerox Corporation |
Record and related method for storing encoded information using overt code characteristics to identify covert code characteristics
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2000-03-21 |
2006-12-05 |
Anoto Ab |
Apparatus and methods relating to image coding
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2000-04-05 |
2001-12-10 |
Anoto Ab |
Produkt och förfarande för informationshantering, där en löstagbar skrivyta med absolutpositionskodningsmönster skrivs på och avläses
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2000-05-24 |
2006-08-08 |
Tracer Detection Technology Corp. |
Authentication method and system
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2000-05-24 |
2006-12-19 |
Esecure.Biz, Inc. |
System and method for production and authentication of original documents
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2000-05-24 |
2007-01-09 |
Tracer Detection Technology Corp. |
Authentication method and system
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2001-06-26 |
2004-05-11 |
Anoto Ab |
Method and device for data decoding
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2002-03-14 |
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使用権表現を処理する方法および装置
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2002-03-14 |
2003-12-11 |
Michael Raley |
Rights expression profile system and method
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2002-05-30 |
2004-10-14 |
Brad Anderson |
Image preservation and reconstruction
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2002-09-04 |
2012-05-01 |
Tracer Detection Technology Corp. |
Authentication method and system
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2003-04-29 |
2014-12-24 |
Anoto AB |
Verfahren, vorrichtungen, computerprogramm und speichermedium zur positionsdecodierung
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2003-10-29 |
2007-04-24 |
Hewlett-Packard Development Company, L.P. |
Optical coding of position information on printed surfaces
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2003-11-17 |
2012-05-22 |
Digimarc Corporation |
Machine-readable features for objects
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2004-02-15 |
2010-04-27 |
Exbiblio B.V. |
Automatic modification of web pages
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2004-12-03 |
2013-12-31 |
Google Inc. |
Method and system for character recognition
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2005-05-09 |
2010-01-12 |
Silverbrook Research Pty Ltd |
Mobile telecommunication device with a printhead, a capper and a locking mechanism for holding the capper in an uncapped position during printing
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2005-05-09 |
2007-10-23 |
Silverbrook Research Pty Ltd |
Mobile device with first and second optical pathways
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2005-05-09 |
2010-06-01 |
Silverbrook Research Pty Ltd |
Method of using a mobile device to determine a position of a print medium configured to be printed on by the mobile device
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2005-05-09 |
2010-04-13 |
Silverbrook Research Pty Ltd |
Method of using a mobile device to determine movement of a print medium relative to the mobile device
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2005-05-09 |
2010-03-16 |
Silverbrook Research Pty Ltd |
Method of using a mobile device to print onto a print medium taking into account an orientation of a print medium
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2005-05-09 |
2006-11-09 |
Silverbrook Research Pty Ltd |
Print medium with self-clocking data track and method of printing onto the print medium
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2005-05-13 |
2012-05-15 |
Xerox Corporation |
System and method for controlling reproduction of documents containing sensitive information
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2005-06-08 |
2009-01-27 |
Xerox Corporation |
System and method for placement and retrieval of embedded information within a document
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2006-07-14 |
2011-04-26 |
Xerox Corporation |
Document objects
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2006-12-20 |
2011-03-29 |
Palo Alto Research Center Incorporated |
Document processing devices, systems and methods thereof
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2007-10-17 |
2014-07-23 |
スパンション エルエルシー |
半導体装置
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2008-04-23 |
2011-08-09 |
Tracer Detection Technology Corp. |
Authentication method and system
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2008-08-26 |
2011-08-02 |
Nanoglyph, LLC |
Glyph encryption system and related methods
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2009-07-16 |
2017-08-29 |
Digimarc Corporation |
Coordinated illumination and image signal capture for enhanced signal detection
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EP2325022A1
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2009-11-12 |
2011-05-25 |
Gemalto SA |
Identitätsdokumente, die eine mit Hilfe von Motiven gesicherte Identitätsfotografie umfassen
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2010-01-11 |
2013-11-26 |
Hewlett-Packard Development Company, L.P. |
Document processing
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2010-02-09 |
2013-06-04 |
Xerox Corporation |
Method for one-step document categorization and separation using stamped machine recognizable patterns
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2010-06-29 |
2013-04-30 |
SignaKey LLC |
Data encoding and decoding
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2015-03-20 |
2017-04-25 |
Digimarc Corporation |
Sparse modulation for robust signaling and synchronization
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2015-03-20 |
2019-09-24 |
Digimarc Corporation |
Signal encoding outside of guard band region surrounding text characters, including varying encoding strength
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2015-01-28 |
2018-01-11 |
한국전자통신연구원 |
기하학적 왜곡에 강인한 점 기반 정보를 사용하는 정보 삽입 방법, 정보 추출 방법 및 정보 추출 장치
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2015-03-20 |
2020-09-22 |
Digimarc Corporation |
Digital watermarking and signal encoding with activable compositions
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2015-03-20 |
2016-09-29 |
Digimarc Corporation |
Digital watermarking and data hiding with narrow-band absorption materials
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2015-07-09 |
2021-04-13 |
Hewlett-Packard Development Company, L.P. |
Multi-dimensional cyclic symbols
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2017-11-07 |
2020-12-22 |
Digimarc Corporation |
Generating artistic designs encoded with robust, machine-readable data
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2017-11-07 |
2021-07-13 |
Digimarc Corporation |
Generating and reading optical codes with variable density to adapt for visual quality and reliability
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2017-11-07 |
2021-01-19 |
Digimarc Corporation |
Generating and reading optical codes with variable density to adapt for visual quality and reliability
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