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Patent #:
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Issue Dt:
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02/20/1996
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Application #:
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08247095
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Filing Dt:
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05/20/1994
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Title:
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HIGH-INTERCEPT BANDLIMITED MIXER
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Patent #:
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Issue Dt:
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10/08/1996
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Application #:
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08258478
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Filing Dt:
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06/10/1994
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Title:
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ARRAYED ANALOG-TO-DIGITAL CONVERTERS
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Patent #:
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Issue Dt:
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08/27/1996
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Application #:
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08295019
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Filing Dt:
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08/24/1994
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Title:
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FULL-DUPLEX ADAPTER FOR PBX TELEPHONE SYSTEM
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Patent #:
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Issue Dt:
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05/20/1997
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Application #:
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08317797
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Filing Dt:
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10/04/1994
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Title:
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AUTOMATIC ECHO CANCELLATION FOR AN INTEGRATED SERVICES DIGITAL NETWORK INTERFACE
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Patent #:
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Issue Dt:
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10/15/1996
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Application #:
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08322101
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Filing Dt:
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10/12/1994
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Title:
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COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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01/09/1996
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Application #:
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08346435
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Filing Dt:
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11/29/1994
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Title:
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SINGLE AND MULTICHANNEL TRANSMISSION OVER LONG DISTANCES USING REPEATED LEVEL-CROSSING REMODULATION
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Patent #:
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Issue Dt:
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04/20/1999
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Application #:
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08419642
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Filing Dt:
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04/06/1995
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Title:
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COMPACT SPEAKERPHONE APPARATUS
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Patent #:
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Issue Dt:
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05/28/1996
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Application #:
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08425465
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Filing Dt:
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04/20/1995
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Title:
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METHOD AND APPARATUS FOR PROVIDING REDUCED COMPLEXITY ECHO CANCELLATION IN A MULTICARRIER COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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10/01/1996
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Application #:
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08498632
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Filing Dt:
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07/06/1995
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Title:
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ECHO CANCELER WITH SUBBAND ATTENUATION AND NOISE INJECTION CONTROL
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Patent #:
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Issue Dt:
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01/07/1997
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Application #:
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08519877
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Filing Dt:
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08/28/1995
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Title:
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CASCADED COMB INTEGRATOR INTERPOLATING FILTERS
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Patent #:
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Issue Dt:
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12/09/1997
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Application #:
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08609214
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Filing Dt:
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03/01/1996
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Title:
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WIDEBAND CHANNEL SNIFFER FOR MONITORING CHANNEL USE IN A WIRELESS COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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03/17/1998
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Application #:
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08618652
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Filing Dt:
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03/19/1996
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Title:
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FAULT MANAGEMENT IN A MULTICHANNEL TRANSMISSION SYSTEM
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Patent #:
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Issue Dt:
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02/17/1998
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Application #:
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08621124
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Filing Dt:
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03/22/1996
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Title:
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WIDEBAND BUS FOR WIRELESS BASE STATION
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Patent #:
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Issue Dt:
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08/22/2000
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Application #:
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08641061
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Filing Dt:
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04/29/1996
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Title:
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MULTICHANNEL RING AND STAR NETWORKS WITH LIMITED CHANNEL CONVERSION
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Patent #:
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Issue Dt:
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02/24/1998
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Application #:
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08674324
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Filing Dt:
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07/01/1996
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Title:
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SPECTRAL NOISE COMPENSATION FOR TELECOMMUNICATION SIGNAL PROCESSING
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Patent #:
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Issue Dt:
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03/16/1999
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Application #:
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08678363
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Filing Dt:
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07/16/1996
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Title:
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SPEECH DETECTION SYSTEM EMPLOYING MULTIPLE DETERMINANTS
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Patent #:
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Issue Dt:
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08/04/1998
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Application #:
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08700779
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Filing Dt:
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08/22/1996
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Title:
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MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM INCLUDING REMOTE SERVICE UNIT WITH IMPROVED RECEIVER ARCHITECTURE
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Patent #:
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Issue Dt:
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08/11/1998
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Application #:
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08714865
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Filing Dt:
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09/17/1996
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Title:
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TELECOMMUNICATIONS NETWORK MANAGEMENT OBSERVATION AND RESPONSE SYSTEM
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Patent #:
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Issue Dt:
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07/27/1999
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Application #:
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08728871
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Filing Dt:
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10/10/1996
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Title:
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UPGRADABLE MODULAR WAVELENGTH DIVISION MULTIPLEXER
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Patent #:
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Issue Dt:
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09/12/2000
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Application #:
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08772321
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Filing Dt:
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12/23/1996
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Title:
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MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM INCLUDING REMOTE SERVICE UNIT WITH IMPROVED TRANSMITTER ARCHITECTURE
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Patent #:
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Issue Dt:
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07/21/1998
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Application #:
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08792293
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Filing Dt:
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01/31/1997
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Title:
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BI-DIRECTIONAL ASYNCHRONOUS TELECOMMUNICATION AUDIO SIGNAL PROCESSING
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Patent #:
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Issue Dt:
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06/06/2000
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Application #:
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08823189
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Filing Dt:
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03/24/1997
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Title:
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PULSE SHAPING AND FILTERING CIRCUIT FOR DIGITAL PULSE DATA TRANSMISSIONS
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Patent #:
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Issue Dt:
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06/15/1999
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Application #:
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08824923
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Filing Dt:
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03/27/1997
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Title:
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POINT-TO MULTIPOINT DIGITAL COMMUNICATIONS SYSTEM FACILITATING USE OF A REDUCED COMPLEXITY RECEIVER AT EACH OF THE MULTIPOINT SITES
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Patent #:
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Issue Dt:
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10/17/2000
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Application #:
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08837722
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Filing Dt:
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04/22/1997
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Title:
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AUTOMATIC ECHO CANCELLATION FOR AN INTEGRATED SERVICES DIGITAL NETWORK INTERFACE
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Patent #:
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Issue Dt:
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09/04/2001
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Application #:
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08845544
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Filing Dt:
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04/24/1997
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Title:
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APPARATUS AND METHOD FOR SYMBOL ALIGNMENT IN A MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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04/18/2000
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Application #:
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08890923
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Filing Dt:
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07/10/1997
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Title:
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DOUBLE TALK DETECTION AND ECHO CONTROL CIRCUIT
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Patent #:
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Issue Dt:
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01/05/1999
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Application #:
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08890964
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Filing Dt:
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07/10/1997
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Title:
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COMBINED SPEECH CODER AND ECHO CANCELER
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Patent #:
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Issue Dt:
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09/19/2000
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Application #:
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08900312
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Filing Dt:
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07/25/1997
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Title:
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APPARATUS AND METHOD FOR CLOCK SYNCHRONIZATION IN A MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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11/30/1999
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Application #:
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08900791
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Filing Dt:
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07/25/1997
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Title:
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APPARATUS AND METHOD FOR UPSTREAM CLOCK SYNCHRONIZATION IN A MULTI-POINT OFDM/DMT DIGITAL COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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10/31/2000
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Application #:
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08959428
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Filing Dt:
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10/28/1997
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Title:
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APPARATUS AND METHOD FOR BANDWIDTH MANAGEMENT IN A MULTI-POINT OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
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02/22/2000
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Application #:
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08970228
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING IMPROVED NON-LINEAR ECHO PATH DETECTION
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Patent #:
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Issue Dt:
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05/29/2001
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Application #:
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08970229
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING SPLIT ADAPTIVE GAIN SETTINGS
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Patent #:
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Issue Dt:
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01/30/2001
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Application #:
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08970230
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING IMPROVED COEFFICIENT TRANSFER
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Patent #:
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Issue Dt:
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03/06/2001
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Application #:
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08970639
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER HAVING IMPROVED NON-LINEAR PROCESSOR
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Patent #:
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Issue Dt:
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02/29/2000
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Application #:
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08970874
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING VARIABLE ADAPTIVE GAIN SETTINGS
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Patent #:
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Issue Dt:
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07/24/2001
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Application #:
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08971116
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Filing Dt:
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11/14/1997
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING IMPROVED DOUBLE-TALK DETECTION
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Patent #:
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Issue Dt:
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04/13/1999
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Application #:
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08982387
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Filing Dt:
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12/20/1997
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Title:
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WIDEBAND BUS FOR WIRELESS BASE STATION
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Patent #:
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Issue Dt:
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12/26/2000
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Application #:
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09017131
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Filing Dt:
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02/02/1998
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Title:
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SYSTEM AND ASSOCIATED METHOD FOR THE SYNCHRONIZATION AND CONTROL OF MULTIPLEXED PAYLOADS OVER A TELECOMMUNICATIONS NETWORK
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Patent #:
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Issue Dt:
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07/03/2001
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Application #:
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09039665
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Filing Dt:
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03/16/1998
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Title:
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FAULT MANAGEMENT IN A MULTICHANNEL TRANSMISSION SYSTEM
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Patent #:
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Issue Dt:
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10/07/2003
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Application #:
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09054468
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Filing Dt:
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04/03/1998
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Publication #:
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Pub Dt:
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08/08/2002
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Title:
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SPECTRALLY CONSTRAINED IMPULSE SHORTENING FILTER FOR A DISCRETE MULTI-TONE RECEIVER
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Patent #:
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Issue Dt:
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09/26/2000
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Application #:
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09082654
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Filing Dt:
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05/21/1998
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Title:
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STORING EXECUTING INSTRUCTION SEQUENCE FOR RE-EXECUTION UPON BACKWARD BRANCH TO REDUCE POWER CONSUMING MEMORY FETCH
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Patent #:
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Issue Dt:
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08/27/2002
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Application #:
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09084677
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Filing Dt:
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05/26/1998
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Title:
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VOICE CONFERENCING SYSTEM HAVING LOCAL SOUND AMPLIFICATION
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Patent #:
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Issue Dt:
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01/09/2001
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Application #:
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09096774
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Filing Dt:
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06/12/1998
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Title:
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METHOD AND APPARATUS FOR ACCURATELY MODELING DIGITAL SIGNAL PROCESSORS
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Patent #:
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Issue Dt:
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08/13/2002
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Application #:
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09099839
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Filing Dt:
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06/19/1998
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Title:
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TELECOMMUNICATIONS JOB SCHEDULING AND RESCHEDULING
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Patent #:
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Issue Dt:
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09/21/2004
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Application #:
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09106884
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Filing Dt:
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06/30/1998
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Title:
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METHOD AND APPARATUS FOR INTERFERENCE SUPPRESSION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED (OFDM) WIRELESS COMMUNICATION SYSTEMS
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Patent #:
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Issue Dt:
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08/14/2001
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Application #:
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09111441
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Filing Dt:
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07/07/1998
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Title:
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TELECONFERENCING DEVICE HAVING ACOUSTIC TRANSDUCERS POSITIONED TO IMPROVE ACOUSTIC ECHO RETURN LOSS
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Patent #:
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Issue Dt:
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03/09/2004
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Application #:
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09113580
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Filing Dt:
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07/10/1998
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Title:
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SELF-SWEEPING AUTOLOCK PLL
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Patent #:
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Issue Dt:
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08/22/2000
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Application #:
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09126803
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Filing Dt:
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07/31/1998
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Title:
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METHOD AND APPARATUS FOR REGISTERING REMOTE SERVICE UNITS IN A MULTIPOINT COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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01/11/2000
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Application #:
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09130688
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Filing Dt:
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08/06/1998
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Title:
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LPAS SPEECH CODER USING VECTOR QUANTIZED, MULTI-CODEBOOK, MULTI-TAP PITCH PREDICTOR AND OPTIMIZED TERNARY SOURCE EXCITATION CODEBOOK DERIVATION
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Patent #:
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Issue Dt:
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04/02/2002
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Application #:
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09143335
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Filing Dt:
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09/04/1998
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Title:
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STRICTLY NON-BLOCKING OPTICAL SWITCH CORE HAVING OPTIMIZED SWITCHING ARCHITECTURE BASED ON RECIPROCITY CONDITIONS
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Patent #:
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Issue Dt:
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03/27/2001
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Application #:
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09206191
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Filing Dt:
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12/04/1998
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Title:
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METHOD AND APPARATUS FOR REPLACING LOST PSTN DATA IN A PACKET NETWORK
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Patent #:
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Issue Dt:
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08/16/2005
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Application #:
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09207745
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Filing Dt:
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12/08/1998
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Title:
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HYBRID SWITCHING
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Patent #:
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Issue Dt:
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03/16/2004
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Application #:
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09207746
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Filing Dt:
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12/08/1998
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Title:
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SIGNAL PROCESSING SYSTEM
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Patent #:
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Issue Dt:
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07/16/2002
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Application #:
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09224619
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Filing Dt:
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12/31/1998
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Title:
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COMPUTER METHOD AND APPARATUS FOR MODEM POINT SLICING
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Patent #:
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Issue Dt:
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12/10/2002
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Application #:
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09228354
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Filing Dt:
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01/11/1999
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Title:
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PHASE SHIFT KEY BURST RECEIVER HAVING IMPROVED PHASE RESOLUTION AND TIMING AND DATA RECOVERY
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Patent #:
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Issue Dt:
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10/31/2000
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Application #:
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09228569
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Filing Dt:
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01/11/1999
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Title:
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CO-LOCATED OMNIDIRECTIONAL AND SECTORIZED BASE STATION
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Patent #:
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Issue Dt:
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11/12/2002
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Application #:
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09228600
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Filing Dt:
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01/12/1999
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Title:
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USING INACTIVITY LEVELS TO EXTEND SUBSCRIBER EQUIPMENT BATTERY LIFE
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Patent #:
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Issue Dt:
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02/25/2003
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Application #:
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09233914
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Filing Dt:
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01/21/1999
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Title:
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TIME DOMAIN EQUALIZATION FOR DISCRETE MULTI-TONE SYSTEMS
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Patent #:
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Issue Dt:
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10/09/2001
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Application #:
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09268174
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Filing Dt:
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03/15/1999
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Title:
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VIRTUAL PATH RING PROTECTION METHOD AND APPARATUS
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Patent #:
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Issue Dt:
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04/13/2004
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Application #:
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09293775
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Filing Dt:
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04/19/1999
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Title:
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OPTICAL LINE TERMINAL ARRANGEMENT, APPARATUS AND METHODS
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Patent #:
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Issue Dt:
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08/12/2003
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Application #:
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09322337
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Filing Dt:
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05/28/1999
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Title:
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BI-DIRECTIONAL RING NETWORK HAVING MINIMUM SPARE BANDWIDTH ALLOCATION AND CORRESPONDING CONNECTION ADMISSION CONTROL
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Patent #:
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Issue Dt:
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02/20/2007
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Application #:
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09332046
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Filing Dt:
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06/14/1999
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Title:
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OPTICAL NETWORK CONNECTION TEST APPARATUS AND METHODS
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Patent #:
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Issue Dt:
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04/13/2004
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Application #:
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09332491
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Filing Dt:
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06/14/1999
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Title:
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DISTRIBUTED VIRTUAL PATH
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Patent #:
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Issue Dt:
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08/06/2002
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Application #:
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09339613
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Filing Dt:
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06/24/1999
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Title:
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AUTOMATIC ECHO CANCELLATION FOR AN INTEGRATED SERVICES DIGITAL NETWORK INTERFACE
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Patent #:
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Issue Dt:
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08/03/2004
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Application #:
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09350497
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Filing Dt:
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07/09/1999
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Title:
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METHOD AND APPARATUS FOR FAST NETWORK BULK DELAY AND SPAN ESTIMATION FOR LINE ECHO CANCELLATION
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Patent #:
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Issue Dt:
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12/10/2002
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Application #:
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09361936
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Filing Dt:
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07/27/1999
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Title:
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LOOPING BACK SIGNALS IN OPTICAL SWITCHES
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Patent #:
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Issue Dt:
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11/29/2005
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Application #:
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09362635
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Filing Dt:
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07/21/1999
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Title:
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MULTICHANNEL RING AND STAR NETWORKS WITH LIMITED CHANNEL CONVERSION
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Patent #:
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Issue Dt:
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10/12/2004
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Application #:
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09379676
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Filing Dt:
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08/24/1999
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Title:
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OFDM/DMT DIGITAL COMMUNICATIONS SYSTEM INCLUDING PARTIAL SEQUENCE SYMBOL PROCESSING
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Patent #:
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Issue Dt:
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10/16/2001
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Application #:
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09393243
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Filing Dt:
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09/10/1999
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Title:
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CIRCUIT BOARD WITH CONNECTOR GUIDE
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Patent #:
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02/10/2004
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Application #:
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09450215
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Filing Dt:
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11/29/1999
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Title:
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COMMUNICATION SYSTEM SIGNAL SYNCHRONIZATION TECHNIQUES
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Patent #:
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Issue Dt:
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05/21/2002
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Application #:
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09455063
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Filing Dt:
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12/06/1999
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Title:
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LPAS SPEECH CODER USING VECTOR QUANTIZED, MULTI-CODEBOOK, MULTI-TAP PITCH PREDICTOR AND OPTIMIZED TERNARY SOURCE EXCITATION CODEBOOK DERIVATION
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Patent #:
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Issue Dt:
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05/24/2005
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Application #:
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09459947
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Filing Dt:
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12/14/1999
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Title:
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OPTICAL RING PROTECTION APPARATUS AND METHODS
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Patent #:
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03/21/2006
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09460214
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Filing Dt:
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12/13/1999
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Title:
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METHODS AND APPARATUS FOR OPTICAL NETWORK MANAGEMENT USING PILOT TONES
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Patent #:
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05/11/2004
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09461052
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Filing Dt:
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12/15/1999
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Title:
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PER-CHANNEL OPTICAL AMPLIFICATION USING SATURATION MODE
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Patent #:
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08/29/2006
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09464077
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Filing Dt:
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12/16/1999
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Title:
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1:N PROTECTION IN AN OPTICAL TERMINAL
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Patent #:
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07/08/2003
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09479120
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01/07/2000
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Title:
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METHOD AND APPARATUS FOR ADAPTIVELY SUPPRESSING NOISE
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Patent #:
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01/14/2003
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09483988
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01/18/2000
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Title:
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ECHO CANCELLER EMPLOYING DUAL-H ARCHITECTURE HAVING IMPROVED NON-LINEAR ECHO PATH DETECTION
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Patent #:
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09/02/2003
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09484947
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Filing Dt:
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01/18/2000
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Title:
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12/23/2003
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09501930
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02/10/2000
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Title:
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METHODS AND APPARATUS FOR SELECTING THE BETTER CELL FROM REDUNDANT STREAMS WITHIN A CELL-ORIENTED ENVIRONMENT
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Patent #:
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02/04/2003
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09535305
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Filing Dt:
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03/24/2000
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Title:
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ECHO CANCELLER HAVING IMPROVED NON-LINEAR PROCESSOR
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Patent #:
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07/20/2004
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09535844
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Filing Dt:
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03/28/2000
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Title:
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RELATIVE NOISE RATIO WEIGHTING TECHNIQUES FOR ADAPTIVE NOISE CANCELLATION
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Patent #:
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12/30/2003
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09536583
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Filing Dt:
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03/28/2000
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Title:
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SPEECH PRESENCE MEASUREMENT DETECTION TECHNIQUES
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Patent #:
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02/18/2003
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Application #:
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09536707
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03/28/2000
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Title:
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SPECTRALLY INTERDEPENDENT GAIN ADJUSTMENT TECHNIQUES
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Patent #:
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Issue Dt:
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03/04/2003
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Application #:
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09536941
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Filing Dt:
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03/28/2000
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Title:
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COMMUNICATION SYSTEM NOISE CANCELLATION POWER SIGNAL CALCULATION TECHNIQUES
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Patent #:
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Issue Dt:
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09/30/2003
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Application #:
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09541807
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Filing Dt:
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04/03/2000
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Title:
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COMMUNICATION SWITCHING TECHNIQUES WITH IMPROVED FRAME FORMAT
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Patent #:
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08/16/2005
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Application #:
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09567576
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Filing Dt:
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05/10/2000
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Title:
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METHOD AND APPARATUS FOR MAINTAINING A PRE-DETERMINED RATIO OF A PILOT TONE POWER AND A MEAN OPTICAL OUTPUT POWER OF AN OPTICAL SIGNAL
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Patent #:
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Issue Dt:
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06/24/2003
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Application #:
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09568518
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Filing Dt:
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05/09/2000
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Title:
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CONNECTOR PANEL MOUNT SYSTEM
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Patent #:
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Issue Dt:
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01/21/2003
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Application #:
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09568519
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Filing Dt:
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05/09/2000
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Title:
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UNIVERSAL PANEL MOUNT SYSTEM FOR FIBER OPTIC CONNECTING DEVICES
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Patent #:
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03/05/2002
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Application #:
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09614786
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Filing Dt:
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07/12/2000
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Title:
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Connector module polarization assembly
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Patent #:
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04/24/2007
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09615287
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Filing Dt:
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07/13/2000
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Title:
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METHOD AND APPARATUS FOR MEASURING PACKET CONNECTION QUALITY OF SERVICE
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Patent #:
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Issue Dt:
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02/24/2004
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Application #:
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09628348
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Filing Dt:
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07/28/2000
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Title:
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BEZEL FOR FIBER OPTIC COMPONENTS
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Patent #:
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Issue Dt:
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05/30/2006
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09632393
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Filing Dt:
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08/04/2000
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Title:
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CIRCUIT INTEGRITY IN A PACKET-SWITCHED NETWORK
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Patent #:
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04/19/2005
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09632395
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Filing Dt:
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08/04/2000
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Title:
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PRIVATE LINES TRAVERSING A PACKET NETWORK AND REARRANGEMENT OF CHANNELS AMONG PACKET NETWORK CONNECTIONS
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Patent #:
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Issue Dt:
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06/28/2005
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Application #:
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09659194
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Filing Dt:
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09/11/2000
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Title:
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DIGITAL COMMUNICATION TRANSMISSION TECHNIQUES
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Patent #:
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Issue Dt:
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07/04/2006
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Application #:
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09662194
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Filing Dt:
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09/14/2000
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Title:
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ALLOCATING NETWORK BANDWIDTH
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Patent #:
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Issue Dt:
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08/03/2004
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Application #:
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09665225
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Filing Dt:
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09/18/2000
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Title:
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COMMUNICATION SYSTEM CLOCK SYNCHRONIZATION TECHNIQUES
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Patent #:
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Issue Dt:
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09/14/2010
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Application #:
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09692884
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Filing Dt:
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10/20/2000
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Title:
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METHOD FOR ESTABLISHING AN MPLS DATA NETWORK PROTECTION PATHWAY
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Patent #:
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01/01/2008
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Application #:
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09692885
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Filing Dt:
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10/20/2000
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Title:
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METHOD AND APPARATUS FOR DETECTING MPLS NETWORK FAILURES
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Patent #:
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Issue Dt:
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11/20/2007
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Application #:
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09693276
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Filing Dt:
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10/20/2000
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Title:
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REVERSE NOTIFICATION TREE FOR DATA NETWORKS
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Patent #:
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09/28/2010
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09696051
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10/25/2000
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Title:
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PROTECTION/RESTORATION OF MPLS NETWORKS
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