US Patent No: 6,922,480

Number of patents in Portfolio can not be more than 2000

Methods for encoding security documents

ALSO PUBLISHED AS: 20030035565
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Abstract

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Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is thereafter scanned, the resulting image data can be recognized as corresponding to a banknote by detection of the encoded data. (Alternatively, the image data can be recognized as corresponding to a banknote by machine detection of other forms of watermarking, or by reference to visible structures characteristic of banknotes.) In response to detection of a banknote, the detecting apparatus (e.g., a scanner, photocopier, or printer) can intervene so as to prevent or deter counterfeiting. For example, the apparatus can interrupt a copying operation, and display a message reminding the operator that it is illegal to reproduce currency. Another option is to dial a remote service and report the attempted reproduction of a banknote. Yet another option is to permit the copying, but to insert forensic tracer data (e.g. steganographically encoded binary data) in the resultant copy. The tracer data can memorialize the serial number of the machine that made the copy and/or the date and time the copy was made. To address privacy concerns, such tracer data is not normally inserted in photocopied output, but is so inserted only when the subject being photocopied is detected as being a banknote.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DIGIMARC CORPORATIONBEAVERTON, OR845

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rhoads, Geoffrey B West Linn, OR 990 44326

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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5,469,222 Non-linear pixel interpolator function for video and graphic processing 76 1993
5,404,377 Simultaneous transmission of data and audio signals by means of perceptual coding 276 1994
5,541,662 Content programmer control of video and data display using associated data 279 1994
5,614,940 Method and apparatus for providing broadcast information with indexing 316 1994
5,473,631 Simultaneous transmission of data and audio signals by means of perceptual coding 231 1995
 
INNOVATOR CORPORATION (1)
5,436,974 Method of encoding confidentiality markings 31 1993
 
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (1)
5,280,537 Digital communication system using superposed transmission of high speed and low speed digital signals 267 1992
 
CHARNEY, LEON H. (1)
5,568,550 Method and system for identifying documents generated by an unauthorized software copy 102 1994
 
HARRIS CORPORATION (1)
4,389,671 Digitally-controlled analog encrypton 221 1980
 
MICROSOFT CORPORATION (1)
5,539,471 System and method for inserting and recovering an add-on data signal for transmission with a video signal 140 1994
 
ETAT FRANCAIS REPRESENTE PAR LE SECRETARIAT D'ETAT AUX POSTES ET TELECOMMUNICATIONS (CENTRE NATIONAL D'ETUDES DES TELECOMMUNICATIONS) (1)
4,884,139 Method of digital sound broadcasting in television channels with spectrum interlacing 124 1987
 
V-ONE CORPORATION (2)
5,694,471 Counterfeit-proof identification card 194 1994
5,590,197 Electronic payment system and method 822 1995
 
BORLAND SOFTWARE CORPORATION (1)
5,515,081 System and methods for improved storage and processing of BITMAP images 102 1993
 
Minolta Camera Kabushiki Kaisha (2)
* 5,390,003 Copying system for preventing copying of copy-prohibited images 70 1993
5,671,277 Image forming apparatus and copy management system 137 1994
 
PHYXATION, INC. (1)
4,855,827 Method of providing identification, other digital data and multiple audio tracks in video systems 217 1987
 
BRITISH BROADCASTING CORPORATION (1)
5,075,773 Data transmission in active picture period 108 1989
 
AIRTRAX CORPORATION (1)
5,319,453 Method and apparatus for video signal encoding, decoding and monitoring 294 1989
 
THOMSON CONSUMER ELECTRONICS S.A. (1)
5,568,179 Method and apparatus for device control by data transmission in TV lines 78 1993
 
GRAPHIC SECURITY SYSTEMS CORPORATION (1)
5,708,717 Digital anti-counterfeiting software method and apparatus 155 1995
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (2)
5,010,405 Receiver-compatible enhanced definition television system 197 1989
6,212,285 Method and apparatus for multi-bit zoned data hiding in printed images 24 1998
 
NEC CORPORATION (1)
2002/0114,513 Color image processing device and color image processing method 5 2002
 
ALPVISION SA (1)
5,524,933 Method for the marking of documents 142 1994
 
Kabushiki Kaisha Sega Enterprises (1)
5,371,792 CD-ROM disk and security check method for the same 180 1993
 
MICROSOFT TECHNOLOGY LICENSING, LLC (1)
5,479,168 Compatible signal encode/decode system 168 1993
 
AMBATO MEDIA, LLC (1)
5,432,542 Television receiver location identification 239 1992
 
REMBRANDT COMMUNICATIONS, LP (1)
4,811,357 Secondary channel for digital modems using spread spectrum subliminal induced modulation 175 1988
 
RCA Corporation (1)
4,647,974 Station signature system 196 1985
 
Materials Research, Inc. (1)
* 4,660,859 Process for incorporating a novel nuclear signature on currency which permits easy authentication at a later date 20 1985
 
GENERAL ELECTRIC COMPANY (3)
4,965,827 Authenticator 136 1988
4,939,515 Digital signal encoding and decoding apparatus 293 1988
5,063,446 Apparatus for transmitting auxiliary signal in a TV channel 136 1989
 
QUALCOMM INCORPORATED (1)
5,103,459 System and method for generating signal waveforms in a CDMA cellular telephone system 1592 1990
 
VERIZON PATENT AND LICENSING INC. (1)
5,666,487 Network providing signals of different formats to a user by multplexing compressed broadband data with data of a different format into MPEG encoded data stream 336 1995
 
Polygram International Holding B.V. (1)
4,750,173 Method of transmitting audio information and additional information in digital form 242 1986
 
PRODUCT ACTIVATION CORPORATION (1)
5,077,608 Video effects system able to intersect a 3-D image with a 2-D image 144 1990
 
INTERACTIVE HOME SYSTEMS (1)
* 5,721,788 Method and system for digital image signatures 603 1992
 
Tokyo Shibaura Denki Kabushiki Kaisha (1)
* 4,571,489 Automatic bank note transaction apparatus 34 1983
 
ASONIC DATA SERVICES, INC. (1)
4,703,476 Encoding of transmitted program material 202 1986
 
ALCATEL-LUCENT USA INC. (1)
5,663,766 Digital data encoding in video signals using data modulated carrier signals at non-peaks in video spectra 232 1996
 
Academy of Applied Science (1)
5,036,513 Method of and apparatus for integrated voice (audio) communication simultaneously with "under voice" user-transparent digital data between telephone instruments 280 1989
 
PRETESTING COMPANY, INC. (1)
4,718,106 Survey of radio audience 203 1986
 
WAVEPHORE CORPORATION (1)
5,387,941 Data with video transmitter 196 1992
 
Standard Change-Makers, Inc. (1)
4,618,257 Color-sensitive currency verifier 87 1984
 
AWARE, INC. (1)
5,148,498 Image coding apparatus and method utilizing separable transformations 174 1990
 
KBA-NOTASYS SA (1)
5,772,249 Method of generating a security design with the aid of electronic means 17 1995
 
ALCATEL NETWORK SYSTEMS, INC. (1)
5,185,736 Synchronous optical transmission system 309 1989
 
Esselte Security Systems AB (1)
4,590,366 Method of securing simple codes 178 1984
 
AGB Television Research (1)
4,885,632 System and methods for monitoring TV viewing system including a VCR and/or a cable converter 238 1988
 
EASTMAN KODAK COMPANY (2)
* 4,739,377 Confidential document reproduction method and apparatus 254 1986
5,843,564 Copy restrictive documents 29 1997
 
RPX CORPORATION (1)
5,825,892 Protecting images with an image watermark 428 1996
 
SILANIS TECHNOLOGY INC. (1)
5,606,609 Electronic document verification system and method 633 1994
 
UNISYS CORPORATION (1)
4,908,836 Method and apparatus for decoding multiple bit sequences that are transmitted simultaneously in a single channel 152 1988
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (3)
4,979,210 Method and apparatus for protection of signal copy 313 1988
5,073,925 Method and apparatus for the protection of signal copy 220 1990
5,513,011 Method and apparatus for recording or reproducing video data on or from storage media 66 1994
 
VERANCE CORPORATION (1)
5,774,452 Apparatus and method for encoding and decoding information in audio signals 326 1995
 
AT&T CORP. (1)
5,422,963 Block transform coder for arbitrarily shaped image segments 123 1993
 
GENERAL DYNAMICS ARMAMENT SYSTEMS, INC. (1)
4,523,508 In-line annular piston fixed bolt regenerative liquid propellant gun 36 1983
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
FUTUREWEI TECHNOLOGIES, INC. (1)
* 2012/0278,441 System and Method for Quality of Experience Estimation 0 2011
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
8,532,330 Security printing analysis system and method for enhancing security printing 0 2008
 
SYS-TECH SOLUTIONS, INC. (1)
8,950,662 Unique identification information from marked features 0 2013
 
DIGIMARC CORPORATION (26)
8,543,823 Digital watermarking for identification documents 0 2003
8,243,980 Image processing using embedded registration data to determine and compensate for geometric transformation 5 2004
8,094,869 Fragile and emerging digital watermarks 6 2004
7,305,104 Authentication of identification documents using digital watermarks 100 2004
7,978,874 Digital watermarking for workflow by tracking content or content identifiers with respect to time 5 2005
8,355,526 Digitally watermarking holograms 1 2005
8,953,908 Metadata management and generation using perceptual features 0 2005
7,974,436 Methods, apparatus and programs for generating and utilizing content signatures 4 2006
7,991,182 Methods for steganographic encoding media 0 2006
* 8,290,202 Methods utilizing steganography 0 2007
8,181,884 Machine-readable features for objects 0 2007
7,555,139 Secure documents with hidden signals, and related methods and systems 63 2007
7,508,955 Authentication of objects using steganography 81 2007
7,965,863 Digital watermarks as a gateway and control mechanism 3 2007
8,000,495 Digital watermarking systems and methods 3 2008
7,970,166 Steganographic encoding methods and apparatus 18 2009
7,831,062 Arrangement of objects in images or graphics to convey a machine-readable signal 43 2009
8,103,879 Processing audio or video content with multiple watermark layers 1 2009
7,986,845 Steganographic systems and methods 0 2009
8,165,341 Methods and apparatus to process imagery or audio content 3 2010
8,165,342 Color image or video processing 2 2010
8,447,067 Location-based arrangements employing mobile devices 4 2010
8,123,134 Apparatus to analyze security features on objects 2 2010
8,150,032 Methods for controlling rendering of images and video 0 2010
8,515,121 Arrangement of objects in images or graphics to convey a machine-readable signal 0 2010
8,792,675 Color image or video processing 0 2012
* Cited By Examiner

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