US5022046A
(en)
*
|
1989-04-14 |
1991-06-04 |
The United States Of America As Represented By The Secretary Of The Air Force |
Narrowband/wideband packet data communication system
|
US5499265A
(en)
*
|
1989-08-07 |
1996-03-12 |
Omnipoint Data Company, Incorporated |
Spread spectrum correlator
|
WO1992002094A1
(en)
*
|
1990-07-23 |
1992-02-06 |
Omnipoint Corporation |
Sawc phase-detection method and apparatus
|
AU8959191A
(en)
*
|
1990-10-23 |
1992-05-20 |
Omnipoint Corporation |
Method and apparatus for establishing spread spectrum communications
|
US5402413A
(en)
*
|
1991-04-08 |
1995-03-28 |
Omnipoint Corporation |
Three-cell wireless communication system
|
US5887020A
(en)
*
|
1991-05-13 |
1999-03-23 |
Omnipoint Corporation |
Multi-band, multi-mode spread-spectrum communication system
|
US5694414A
(en)
*
|
1991-05-13 |
1997-12-02 |
Omnipoint Corporation |
Multi-band, multi-mode spread-spectrum communication system
|
US5815525A
(en)
*
|
1991-05-13 |
1998-09-29 |
Omnipoint Corporation |
Multi-band, multi-mode spread-spectrum communication system
|
EP0584248B1
(en)
*
|
1991-05-13 |
2003-03-05 |
XIRCOM Wireless, Inc. |
Dual mode transmitter and receiver
|
US5790587A
(en)
*
|
1991-05-13 |
1998-08-04 |
Omnipoint Corporation |
Multi-band, multi-mode spread-spectrum communication system
|
US5796772A
(en)
*
|
1991-05-13 |
1998-08-18 |
Omnipoint Corporation |
Multi-band, multi-mode spread-spectrum communication system
|
US5285469A
(en)
*
|
1991-06-03 |
1994-02-08 |
Omnipoint Data Corporation |
Spread spectrum wireless telephone system
|
US5319636A
(en)
*
|
1991-11-14 |
1994-06-07 |
Codex Corporation |
Device and method for linear listener echo cancellation
|
WO1993012597A1
(en)
*
|
1991-12-16 |
1993-06-24 |
Omnipoint Corporation |
Spread-spectrum data publishing system
|
US5319735A
(en)
*
|
1991-12-17 |
1994-06-07 |
Bolt Beranek And Newman Inc. |
Embedded signalling
|
US6301369B2
(en)
|
1992-07-31 |
2001-10-09 |
Digimarc Corporation |
Image marking to permit later identification
|
US5721788A
(en)
*
|
1992-07-31 |
1998-02-24 |
Corbis Corporation |
Method and system for digital image signatures
|
CA2147835C
(en)
*
|
1992-11-16 |
2006-01-31 |
Victor A. Aijala |
Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
|
US5854808A
(en)
*
|
1993-09-14 |
1998-12-29 |
Pacific Communication Sciences |
Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system
|
US6094575A
(en)
*
|
1993-11-01 |
2000-07-25 |
Omnipoint Corporation |
Communication system and method
|
US6005856A
(en)
*
|
1993-11-01 |
1999-12-21 |
Omnipoint Corporation |
Communication protocol for spread spectrum wireless communication system
|
US6088590A
(en)
*
|
1993-11-01 |
2000-07-11 |
Omnipoint Corporation |
Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
|
US5436941A
(en)
*
|
1993-11-01 |
1995-07-25 |
Omnipoint Corporation |
Spread spectrum spectral density techniques
|
US6122403A
(en)
|
1995-07-27 |
2000-09-19 |
Digimarc Corporation |
Computer system linked by using information in data objects
|
US6944298B1
(en)
|
1993-11-18 |
2005-09-13 |
Digimare Corporation |
Steganographic encoding and decoding of auxiliary codes in media signals
|
US6424725B1
(en)
|
1996-05-16 |
2002-07-23 |
Digimarc Corporation |
Determining transformations of media signals with embedded code signals
|
US5748783A
(en)
*
|
1995-05-08 |
1998-05-05 |
Digimarc Corporation |
Method and apparatus for robust information coding
|
US5710834A
(en)
*
|
1995-05-08 |
1998-01-20 |
Digimarc Corporation |
Method and apparatus responsive to a code signal conveyed through a graphic image
|
US6516079B1
(en)
|
2000-02-14 |
2003-02-04 |
Digimarc Corporation |
Digital watermark screening and detecting strategies
|
US6449377B1
(en)
|
1995-05-08 |
2002-09-10 |
Digimarc Corporation |
Methods and systems for watermark processing of line art images
|
US7044395B1
(en)
|
1993-11-18 |
2006-05-16 |
Digimarc Corporation |
Embedding and reading imperceptible codes on objects
|
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
|
US5768426A
(en)
|
1993-11-18 |
1998-06-16 |
Digimarc Corporation |
Graphics processing system employing embedded code signals
|
US7171016B1
(en)
|
1993-11-18 |
2007-01-30 |
Digimarc Corporation |
Method for monitoring internet dissemination of image, video and/or audio files
|
US6757406B2
(en)
|
1993-11-18 |
2004-06-29 |
Digimarc Corporation |
Steganographic image processing
|
US6611607B1
(en)
|
1993-11-18 |
2003-08-26 |
Digimarc Corporation |
Integrating digital watermarks in multimedia content
|
US6408082B1
(en)
|
1996-04-25 |
2002-06-18 |
Digimarc Corporation |
Watermark detection using a fourier mellin transform
|
US5862260A
(en)
*
|
1993-11-18 |
1999-01-19 |
Digimarc Corporation |
Methods for surveying dissemination of proprietary empirical data
|
US6614914B1
(en)
|
1995-05-08 |
2003-09-02 |
Digimarc Corporation |
Watermark embedder and reader
|
US5841886A
(en)
*
|
1993-11-18 |
1998-11-24 |
Digimarc Corporation |
Security system for photographic identification
|
US5636292C1
(en)
*
|
1995-05-08 |
2002-06-18 |
Digimarc Corp |
Steganography methods employing embedded calibration data
|
US6580819B1
(en)
|
1993-11-18 |
2003-06-17 |
Digimarc Corporation |
Methods of producing security documents having digitally encoded data and documents employing same
|
US5841978A
(en)
|
1993-11-18 |
1998-11-24 |
Digimarc Corporation |
Network linking method using steganographically embedded data objects
|
EP0959621B1
(en)
*
|
1993-11-18 |
2001-02-28 |
Digimarc Corporation |
Video copy control with plural embedded signals
|
US5822436A
(en)
|
1996-04-25 |
1998-10-13 |
Digimarc Corporation |
Photographic products and methods employing embedded information
|
USRE40919E1
(en)
*
|
1993-11-18 |
2009-09-22 |
Digimarc Corporation |
Methods for surveying dissemination of proprietary empirical data
|
US6983051B1
(en)
|
1993-11-18 |
2006-01-03 |
Digimarc Corporation |
Methods for audio watermarking and decoding
|
JP3508193B2
(en)
*
|
1994-01-28 |
2004-03-22 |
松下電器産業株式会社 |
Facsimile machine
|
US6869023B2
(en)
|
2002-02-12 |
2005-03-22 |
Digimarc Corporation |
Linking documents through digital watermarking
|
US6968057B2
(en)
|
1994-03-17 |
2005-11-22 |
Digimarc Corporation |
Emulsion products and imagery employing steganography
|
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
|
US5450490A
(en)
*
|
1994-03-31 |
1995-09-12 |
The Arbitron Company |
Apparatus and methods for including codes in audio signals and decoding
|
WO1995027349A1
(en)
*
|
1994-03-31 |
1995-10-12 |
The Arbitron Company, A Division Of Ceridian Corporation |
Apparatus and methods for including codes in audio signals and decoding
|
JPH07336460A
(en)
*
|
1994-06-03 |
1995-12-22 |
Hitachi Ltd |
Data communication equipment
|
US5546421A
(en)
*
|
1994-08-22 |
1996-08-13 |
Martin Marietta Corp. |
Self compensating spread-spectrum hybrid
|
US7724919B2
(en)
|
1994-10-21 |
2010-05-25 |
Digimarc Corporation |
Methods and systems for steganographic processing
|
US6560349B1
(en)
|
1994-10-21 |
2003-05-06 |
Digimarc Corporation |
Audio monitoring using steganographic information
|
US5646997A
(en)
|
1994-12-14 |
1997-07-08 |
Barton; James M. |
Method and apparatus for embedding authentication information within digital data
|
US7224819B2
(en)
*
|
1995-05-08 |
2007-05-29 |
Digimarc Corporation |
Integrating digital watermarks in multimedia content
|
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
|
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
|
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
|
US6411725B1
(en)
|
1995-07-27 |
2002-06-25 |
Digimarc Corporation |
Watermark enabled video objects
|
US6829368B2
(en)
|
2000-01-26 |
2004-12-07 |
Digimarc Corporation |
Establishing and interacting with on-line media collections using identifiers in media signals
|
US6408331B1
(en)
|
1995-07-27 |
2002-06-18 |
Digimarc Corporation |
Computer linking methods using encoded graphics
|
US6965682B1
(en)
|
1999-05-19 |
2005-11-15 |
Digimarc Corp |
Data transmission by watermark proxy
|
US7006661B2
(en)
*
|
1995-07-27 |
2006-02-28 |
Digimarc Corp |
Digital watermarking systems and methods
|
ZA963264B
(en)
*
|
1995-10-12 |
1996-11-04 |
Alcatel Altech Telecoms Propri |
Low rate telemetry channel
|
US7715446B2
(en)
*
|
1996-04-25 |
2010-05-11 |
Digimarc Corporation |
Wireless methods and devices employing plural-bit data derived from audio information
|
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
|
US7012903B1
(en)
*
|
1996-06-28 |
2006-03-14 |
Cingular Wireless Ii, Llc |
TDMA messaging service microcell
|
US5875187A
(en)
*
|
1996-06-28 |
1999-02-23 |
At&T Wireless Services Inc. |
TDMA messaging service microcell
|
US8005254B2
(en)
|
1996-11-12 |
2011-08-23 |
Digimarc Corporation |
Background watermark processing
|
US6804376B2
(en)
|
1998-01-20 |
2004-10-12 |
Digimarc Corporation |
Equipment employing watermark-based authentication function
|
US6773547B2
(en)
*
|
1998-05-08 |
2004-08-10 |
American Air Liquide, Inc. |
Process for the bleaching of low consistency pulp using high partial pressure ozone
|
US7006555B1
(en)
|
1998-07-16 |
2006-02-28 |
Nielsen Media Research, Inc. |
Spectral audio encoding
|
US7197156B1
(en)
|
1998-09-25 |
2007-03-27 |
Digimarc Corporation |
Method and apparatus for embedding auxiliary information within original data
|
US7055034B1
(en)
|
1998-09-25 |
2006-05-30 |
Digimarc Corporation |
Method and apparatus for robust embedded data
|
US6442283B1
(en)
|
1999-01-11 |
2002-08-27 |
Digimarc Corporation |
Multimedia data embedding
|
JP3792517B2
(en)
*
|
1999-04-26 |
2006-07-05 |
ルーセント テクノロジーズ インコーポレーテッド |
Method for performing a call on a multiple bit rate transmission channel, bit rate switching method, corresponding network section and transmission network
|
EP1049266A1
(en)
*
|
1999-04-27 |
2000-11-02 |
Lucent Technologies Inc. |
Method and apparatus for preamble signature detection using a code matched filter
|
US6947469B2
(en)
|
1999-05-07 |
2005-09-20 |
Intel Corporation |
Method and Apparatus for wireless spread spectrum communication with preamble processing period
|
US6871180B1
(en)
|
1999-05-25 |
2005-03-22 |
Arbitron Inc. |
Decoding of information in audio signals
|
CA2809775C
(en)
*
|
1999-10-27 |
2017-03-21 |
The Nielsen Company (Us), Llc |
Audio signature extraction and correlation
|
US6625297B1
(en)
|
2000-02-10 |
2003-09-23 |
Digimarc Corporation |
Self-orienting watermarks
|
US6968564B1
(en)
|
2000-04-06 |
2005-11-22 |
Nielsen Media Research, Inc. |
Multi-band spectral audio encoding
|
US7027614B2
(en)
|
2000-04-19 |
2006-04-11 |
Digimarc Corporation |
Hiding information to reduce or offset perceptible artifacts
|
US6804377B2
(en)
|
2000-04-19 |
2004-10-12 |
Digimarc Corporation |
Detecting information hidden out-of-phase in color channels
|
US7466742B1
(en)
|
2000-04-21 |
2008-12-16 |
Nielsen Media Research, Inc. |
Detection of entropy in connection with audio signals
|
US6879652B1
(en)
*
|
2000-07-14 |
2005-04-12 |
Nielsen Media Research, Inc. |
Method for encoding an input signal
|
US6674876B1
(en)
*
|
2000-09-14 |
2004-01-06 |
Digimarc Corporation |
Watermarking in the time-frequency domain
|
US8670390B2
(en)
|
2000-11-22 |
2014-03-11 |
Genghiscomm Holdings, LLC |
Cooperative beam-forming in wireless networks
|
US6990135B2
(en)
*
|
2002-10-28 |
2006-01-24 |
Finisar Corporation |
Distributed bragg reflector for optoelectronic device
|
WO2002051097A1
(en)
*
|
2000-12-19 |
2002-06-27 |
Surf Communication Solutions, Ltd. |
Secure modem transmission
|
US20020114299A1
(en)
*
|
2000-12-27 |
2002-08-22 |
Daozheng Lu |
Apparatus and method for measuring tuning of a digital broadcast receiver
|
US7376242B2
(en)
*
|
2001-03-22 |
2008-05-20 |
Digimarc Corporation |
Quantization-based data embedding in mapped data
|
US8050452B2
(en)
*
|
2001-03-22 |
2011-11-01 |
Digimarc Corporation |
Quantization-based data embedding in mapped data
|
US10355720B2
(en)
|
2001-04-26 |
2019-07-16 |
Genghiscomm Holdings, LLC |
Distributed software-defined radio
|
US10931338B2
(en)
|
2001-04-26 |
2021-02-23 |
Genghiscomm Holdings, LLC |
Coordinated multipoint systems
|
US9819449B2
(en)
|
2002-05-14 |
2017-11-14 |
Genghiscomm Holdings, LLC |
Cooperative subspace demultiplexing in content delivery networks
|
US7006662B2
(en)
*
|
2001-12-13 |
2006-02-28 |
Digimarc Corporation |
Reversible watermarking using expansion, rate control and iterative embedding
|
ATE509326T1
(en)
|
2001-12-18 |
2011-05-15 |
L 1 Secure Credentialing Inc |
MULTIPLE IMAGE SECURITY FEATURES FOR IDENTIFYING DOCUMENTS AND METHOD FOR PRODUCING THEM
|
WO2003056500A1
(en)
|
2001-12-24 |
2003-07-10 |
Digimarc Id Systems, Llc |
Covert variable information on id documents and methods of making same
|
US7793846B2
(en)
|
2001-12-24 |
2010-09-14 |
L-1 Secure Credentialing, Inc. |
Systems, compositions, and methods for full color laser engraving of ID documents
|
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
|
US7694887B2
(en)
|
2001-12-24 |
2010-04-13 |
L-1 Secure Credentialing, Inc. |
Optically variable personalized indicia for identification documents
|
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
|
US10142082B1
(en)
|
2002-05-14 |
2018-11-27 |
Genghiscomm Holdings, LLC |
Pre-coding in OFDM
|
US10200227B2
(en)
|
2002-05-14 |
2019-02-05 |
Genghiscomm Holdings, LLC |
Pre-coding in multi-user MIMO
|
US9628231B2
(en)
|
2002-05-14 |
2017-04-18 |
Genghiscomm Holdings, LLC |
Spreading and precoding in OFDM
|
US10644916B1
(en)
|
2002-05-14 |
2020-05-05 |
Genghiscomm Holdings, LLC |
Spreading and precoding in OFDM
|
CA2503340A1
(en)
|
2002-10-23 |
2004-05-06 |
Arun Ramaswamy |
Digital data insertion apparatus and methods for use with compressed audio/video data
|
US7804982B2
(en)
|
2002-11-26 |
2010-09-28 |
L-1 Secure Credentialing, Inc. |
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
|
WO2004095348A2
(en)
|
2003-04-16 |
2004-11-04 |
Digimarc Corporation |
Three dimensional data storage
|
AU2004303075B2
(en)
*
|
2003-08-05 |
2009-06-25 |
Dsi-Iti, Llc |
Three-way call detection using steganography
|
US7744002B2
(en)
|
2004-03-11 |
2010-06-29 |
L-1 Secure Credentialing, Inc. |
Tamper evident adhesive and identification document including same
|
US11431386B1
(en)
|
2004-08-02 |
2022-08-30 |
Genghiscomm Holdings, LLC |
Transmit pre-coding
|
US11552737B1
(en)
|
2004-08-02 |
2023-01-10 |
Genghiscomm Holdings, LLC |
Cooperative MIMO
|
US11184037B1
(en)
|
2004-08-02 |
2021-11-23 |
Genghiscomm Holdings, LLC |
Demodulating and decoding carrier interferometry signals
|
US20080201158A1
(en)
|
2007-02-15 |
2008-08-21 |
Johnson Mark D |
System and method for visitation management in a controlled-access environment
|
US8542802B2
(en)
|
2007-02-15 |
2013-09-24 |
Global Tel*Link Corporation |
System and method for three-way call detection
|
US8630726B2
(en)
*
|
2009-02-12 |
2014-01-14 |
Value-Added Communications, Inc. |
System and method for detecting three-way call circumvention attempts
|
US9225838B2
(en)
|
2009-02-12 |
2015-12-29 |
Value-Added Communications, Inc. |
System and method for detecting three-way call circumvention attempts
|
US10572961B2
(en)
|
2016-03-15 |
2020-02-25 |
Global Tel*Link Corporation |
Detection and prevention of inmate to inmate message relay
|
US9609121B1
(en)
|
2016-04-07 |
2017-03-28 |
Global Tel*Link Corporation |
System and method for third party monitoring of voice and video calls
|
US10027797B1
(en)
|
2017-05-10 |
2018-07-17 |
Global Tel*Link Corporation |
Alarm control for inmate call monitoring
|
US10225396B2
(en)
|
2017-05-18 |
2019-03-05 |
Global Tel*Link Corporation |
Third party monitoring of a activity within a monitoring platform
|
US10637705B1
(en)
|
2017-05-25 |
2020-04-28 |
Genghiscomm Holdings, LLC |
Peak-to-average-power reduction for OFDM multiple access
|
US10243773B1
(en)
|
2017-06-30 |
2019-03-26 |
Genghiscomm Holdings, LLC |
Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
|
US10860786B2
(en)
|
2017-06-01 |
2020-12-08 |
Global Tel*Link Corporation |
System and method for analyzing and investigating communication data from a controlled environment
|
US9930088B1
(en)
|
2017-06-22 |
2018-03-27 |
Global Tel*Link Corporation |
Utilizing VoIP codec negotiation during a controlled environment call
|
EP3915236A4
(en)
|
2019-01-25 |
2023-05-24 |
Genghiscomm Holdings, LLC |
Orthogonal multiple access and non-orthogonal multiple access
|
US11917604B2
(en)
|
2019-01-25 |
2024-02-27 |
Tybalt, Llc |
Orthogonal multiple access and non-orthogonal multiple access
|
US11343823B2
(en)
|
2020-08-16 |
2022-05-24 |
Tybalt, Llc |
Orthogonal multiple access and non-orthogonal multiple access
|
WO2020242898A1
(en)
|
2019-05-26 |
2020-12-03 |
Genghiscomm Holdings, LLC |
Non-orthogonal multiple access
|
CN112367098B
(en)
*
|
2020-11-10 |
2021-10-26 |
南京航空航天大学 |
Method for realizing fault diagnosis through spread spectrum carrier
|