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Patent #:
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Issue Dt:
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10/09/1984
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Application #:
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06010408
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Filing Dt:
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02/08/1979
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Title:
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DIGITAL FREQUENCY LOCK TUNING SYSTEM
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Patent #:
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Issue Dt:
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03/30/1982
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Application #:
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06040472
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Filing Dt:
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05/18/1979
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Title:
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DATA COMMUNICATIONS TERMINAL
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Patent #:
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Issue Dt:
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09/13/1983
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Application #:
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06295565
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Filing Dt:
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08/24/1981
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Title:
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FAULT DETECTION SYSTEM AS FOR LOCATING FAULTY CONNECTIONS IN A CABLE TELEVISION SYSTEM
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Patent #:
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Issue Dt:
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01/15/1985
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Application #:
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06328301
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Filing Dt:
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12/07/1981
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Title:
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FREQUENCY AGILE SECURITY APPARATUS
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Patent #:
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Issue Dt:
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10/16/1984
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Application #:
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06328302
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Filing Dt:
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12/07/1981
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Title:
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SECURITY APPARATUS WITH ALARM SEARCH AND VERIFICATION CAPABILITY
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Patent #:
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Issue Dt:
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10/16/1984
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Application #:
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06328304
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Filing Dt:
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12/07/1981
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Title:
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SECURITY SYSTEM
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Patent #:
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Issue Dt:
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12/06/1983
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Application #:
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06359767
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Filing Dt:
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03/19/1982
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Title:
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DIGITAL TUNING SYSTEM FOR A VARACTOR TUNER EMPLOYING FEEDBACK MEANS FOR IMPROVED TUNING ACCURACY
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Patent #:
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Issue Dt:
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08/06/1985
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Application #:
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06373765
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Filing Dt:
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04/30/1982
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Title:
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CATV COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
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05/28/1985
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Application #:
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06435883
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Filing Dt:
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10/21/1982
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Title:
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SINGLE-STAGE OSCILLATOR HAVING LOW-IMPEDANCE FEEDBACK PORT
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Patent #:
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Issue Dt:
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10/08/1985
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Application #:
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06439227
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Filing Dt:
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11/04/1982
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Title:
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CIRCUIT FOR PROVIDING ACCURATELY SPACED VIDEO AND SOUND CARRIERS
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Patent #:
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Issue Dt:
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02/18/1986
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Application #:
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06502933
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Filing Dt:
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06/10/1983
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Title:
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TIMING GENERATOR FOR SYNC SUPPRESSED TELEVISION SIGNALS
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Patent #:
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Issue Dt:
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07/01/1986
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Application #:
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06502958
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Filing Dt:
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06/10/1983
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Title:
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VIDEO ENCRYPTION SYSTEM
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Patent #:
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Issue Dt:
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06/09/1987
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Application #:
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06503210
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Filing Dt:
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06/10/1983
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Title:
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SCRAMBLED SIGNAL DETECTOR
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Patent #:
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Issue Dt:
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12/09/1986
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Application #:
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06503250
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Filing Dt:
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06/10/1983
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Title:
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TELEVISION SIGNAL ENCRYPTION SYSTEM WITH PROTECTED AUDIO
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Patent #:
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Issue Dt:
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12/31/1985
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Application #:
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06504177
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Filing Dt:
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06/14/1983
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Title:
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ADAPTIVE VIDEO DESCRAMBLING SYSTEM
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Patent #:
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Issue Dt:
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06/10/1986
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Application #:
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06509765
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Filing Dt:
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06/30/1983
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Title:
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SCRAMBLING SYSTEM FOR TELEVISION VIDEO SIGNAL
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Patent #:
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Issue Dt:
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07/08/1986
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Application #:
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06548357
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Filing Dt:
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11/03/1983
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Title:
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RECEIVER WITH INTERFACE FOR INTERACTION WITH CONTROLLER-DECODER
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Patent #:
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Issue Dt:
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10/14/1986
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Application #:
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06591438
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Filing Dt:
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03/20/1984
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Title:
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TEMPERATURE REGULATED FEEDFORWARD AMPLIFIER
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Patent #:
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Issue Dt:
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03/24/1987
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Application #:
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06623209
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Filing Dt:
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06/21/1984
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Title:
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AUTOMATIC TERMINAL SIGNAL EQUALIZATION
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Patent #:
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Issue Dt:
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05/28/1985
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Application #:
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06624804
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Filing Dt:
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06/26/1984
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Title:
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SUBSCRIBER TERMINAL FOR MONITORING RADIO-FREQUENCY SIGNAL INGRESS INTO CABLE TELEVISION SYSTEMS
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Patent #:
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Issue Dt:
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07/29/1986
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Application #:
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06677722
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Filing Dt:
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12/04/1984
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Title:
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CABLE TELEVISION SYSTEM WITH STEREO SOUND REPRODUCTION
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Patent #:
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Issue Dt:
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03/21/1989
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Application #:
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06688503
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Filing Dt:
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01/02/1985
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Title:
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VIDEO ENCRYPTION SYSTEM
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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06708236
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Filing Dt:
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04/18/1985
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Title:
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ADDRESSABLE CABLE TELEVISION CONTROL SYSTEM WITH VIDEO FORMAT DATA TRANSMISSION
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Patent #:
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Issue Dt:
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09/15/1987
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Application #:
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06710385
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Filing Dt:
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03/11/1985
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Title:
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CRYPTOGRAPHIC SYSTEM USING INTERCHANGEABLE KEY BLOCKS AND SELECTABLE KEY FRAGMENTS
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Patent #:
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Issue Dt:
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08/04/1987
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Application #:
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06710466
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Filing Dt:
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03/11/1985
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Title:
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PROGRAM BLOCKING METHOD FOR USE IN DIRECT BROADCAST STATELLITE SYSTEM
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Patent #:
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Issue Dt:
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01/20/1987
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Application #:
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06716384
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Filing Dt:
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03/27/1985
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Title:
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APPARATUS AND METHOD FOR RESTRICTING ACCESS TO A COMMUNICATION NETWORK
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Patent #:
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Issue Dt:
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03/03/1987
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Application #:
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06717360
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Filing Dt:
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03/29/1985
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Title:
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MESH DISH ANTENNA AND HUB
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Patent #:
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Issue Dt:
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01/01/1991
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Application #:
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06726676
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Filing Dt:
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04/24/1985
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Title:
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BOOTSTRAP CHANNEL SECURITY ARRANGEMENT FOR COMMUNICATION NETWORK
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Patent #:
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Issue Dt:
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11/25/1986
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Application #:
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06756828
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Filing Dt:
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07/19/1985
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Title:
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FEEDFORWARD GAIN BLOCK WITH MIRROR IMAGE ERROR AMPLIFIER
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Patent #:
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Issue Dt:
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12/10/1985
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Application #:
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06757762
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Filing Dt:
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07/22/1985
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Title:
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ADDRESS-PROGRAMMABLE CATV CONVERTER
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Patent #:
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Issue Dt:
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12/01/1987
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Application #:
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06801574
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Filing Dt:
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11/25/1985
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Title:
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CABLE TELEVISION SYSTEM WITH TWO-WAY TELEPHONE COMMUNICATION PATH
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Patent #:
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Issue Dt:
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12/20/1988
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Application #:
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06812744
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Filing Dt:
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12/23/1985
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Title:
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APPARATUS FOR FIELD TESTING THE PERFORMANCE OF A FEEDFORWARD AMPLIFIER
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Patent #:
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Issue Dt:
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08/25/1987
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Application #:
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06813502
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Filing Dt:
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12/26/1985
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Title:
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METHOD AND APPARATUS FOR POLLING SUBSCRIBER TERMINALS
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Patent #:
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Issue Dt:
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02/24/1987
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Application #:
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06816133
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Filing Dt:
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01/03/1986
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Title:
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APPARATUS AND METHOD FOR STEREO TELEVISION SOUND
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Patent #:
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Issue Dt:
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11/15/1988
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Application #:
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06819679
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Filing Dt:
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01/17/1986
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Title:
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DUAL FREQUENCY FEED SATELLITE ANTENA HORN
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Patent #:
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Issue Dt:
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09/15/1987
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Application #:
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06840428
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Filing Dt:
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03/14/1986
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Title:
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METHOD AND SYSTEM OF ENHANCING PERFORMANCE OF FEEDFORWARD AMPLIFIERS
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Patent #:
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Issue Dt:
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12/08/1987
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Application #:
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06874845
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Filing Dt:
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06/16/1986
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Title:
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SECURITY ARRANGEMENT FOR DOWNLOADABLE CABLE TELEVISION CONVERTERS
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Patent #:
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Issue Dt:
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09/13/1988
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Application #:
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06927675
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Filing Dt:
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11/06/1986
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Title:
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CABLE TELEVISION CHANNEL SELECTOR/DESCRAMBLER FOR USE WITH CABLE-READY VIDEO APPLICANCES
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Patent #:
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Issue Dt:
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04/11/1989
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Application #:
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07022380
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Filing Dt:
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03/05/1987
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Title:
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APPARATUS AND METHOD FOR PROVIDING DIGITAL AUDIO ON THE SOUND CARRIER OF A STANDARD TELEVISION SIGNAL
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Patent #:
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Issue Dt:
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04/19/1988
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Application #:
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07035262
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Filing Dt:
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04/02/1987
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Title:
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DIRECT BROADCAST SATELLITE SIGNAL TRANSMISSION SYSTEM
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Patent #:
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Issue Dt:
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07/30/1991
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Application #:
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07036159
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Filing Dt:
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04/03/1987
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Title:
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GEOGRAPHIC BLACK-OUT METHOD FOR DIRECT BROADCAST SATELLITE SYSTEM
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Patent #:
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Issue Dt:
|
02/07/1989
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Application #:
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07050635
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Filing Dt:
|
05/14/1987
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|
Title:
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CRYPTOGRAPHIC SYSTEM USING INTERCHANGEABLE KEY BLOCKS AND SELECTABLE KEY FRAGMENTS
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|
|
|
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Patent #:
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|
Issue Dt:
|
11/08/1988
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Application #:
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07058239
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Filing Dt:
|
06/04/1987
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Title:
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SWITCHABLE SIGNAL SOURCE MODULE FOR SE WITH CABLE TELEVISION CONVERTER
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Patent #:
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|
Issue Dt:
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03/28/1989
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Application #:
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07065367
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Filing Dt:
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06/22/1987
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Title:
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FM MODULATOR
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Patent #:
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Issue Dt:
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04/18/1989
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Application #:
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07080412
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Filing Dt:
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07/30/1987
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Title:
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REFINED TUNING OF RF RECEIVER WITH FREQUENCY-LOCKED LOOP
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Patent #:
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|
Issue Dt:
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07/28/1992
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Application #:
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07098270
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Filing Dt:
|
09/18/1987
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Title:
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MICROCOMPUTER WITH INTERNAL RAM SECURITY DURING EXTERNAL PROGRAM MODE
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Patent #:
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|
Issue Dt:
|
12/12/1989
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Application #:
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07113333
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Filing Dt:
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10/16/1987
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Title:
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CRYPTOGRAPHIC SYSTEM FOR DIRECT BROADCAST SATELLITE SYSTEM
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Patent #:
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|
Issue Dt:
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06/20/1989
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Application #:
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07139459
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Filing Dt:
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12/30/1987
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Title:
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SECURE VIDEO DISTRIBUTION SYSTEM
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Patent #:
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Issue Dt:
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08/22/1989
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Application #:
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07194850
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Filing Dt:
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05/17/1988
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Title:
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DYNAMIC FEEDBACK ARRANGEMENT SCRAMBLING TECHNIQUE KEYSTREAM GENERATOR
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Patent #:
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Issue Dt:
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03/21/1989
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Application #:
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07197616
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Filing Dt:
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05/23/1988
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Title:
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AUTOMATIC FREQUENCY CONTROL
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Patent #:
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|
Issue Dt:
|
09/05/1989
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Application #:
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07200111
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Filing Dt:
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05/27/1988
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Title:
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REPRODUCTION OF SECURE KEYS BY USING DISTRIBUTED KEY GENERATION DATA
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Patent #:
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|
Issue Dt:
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05/15/1990
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Application #:
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07206612
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Filing Dt:
|
06/14/1988
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Title:
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CABLE TELEVISION DESCRAMBLER
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Patent #:
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Issue Dt:
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09/05/1989
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Application #:
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07217049
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Filing Dt:
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07/08/1988
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Title:
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BROADBAND CONVERTER/DESCRAMBLER INTERFACE FOR CABLE TV
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Patent #:
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Issue Dt:
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12/19/1989
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Application #:
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07251182
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Filing Dt:
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09/28/1988
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Title:
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SATELLITE ANTENNA ALIGNMENT SYSTEM
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Patent #:
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Issue Dt:
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03/05/1991
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Application #:
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07257712
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Filing Dt:
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10/14/1988
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Title:
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DETERMINATION OF SEQUENTIAL POSITIONS OF VIDEO FIELDS DERIVED FROM FILM
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Patent #:
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Issue Dt:
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11/14/1989
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Application #:
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07258238
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Filing Dt:
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10/14/1988
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Title:
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PROGRESSIVE SCAN DISPLAY OF VIDEO DERIVED FROM FILM
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Patent #:
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Issue Dt:
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08/22/1989
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Application #:
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07262245
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Filing Dt:
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10/20/1988
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Title:
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DATA COMMUNICATIONS SYSTEM
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Patent #:
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Issue Dt:
|
04/03/1990
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Application #:
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07266567
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Filing Dt:
|
11/03/1988
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Title:
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METHOD AND APPARATUS FOR FREQUENCY CONTROL OF MULTIPLE OSCILLATORS USING A SINGLE FREQUENCY-LOCKED-LOOP
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Patent #:
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Issue Dt:
|
08/06/1991
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Application #:
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07280770
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Filing Dt:
|
12/06/1988
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Title:
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APPARATUS AND METHOD FOR PROVIDING DIGITAL AUDIO IN THE FM BROADCAST BAND
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Patent #:
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|
Issue Dt:
|
01/21/1992
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Application #:
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07297137
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Filing Dt:
|
01/12/1989
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Title:
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PREVENTION OF ALTERATION OF DATA STORED IN SECURE INTEGRATED CIRCUIT CHIP MEMORY
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Patent #:
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|
Issue Dt:
|
06/12/1990
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Application #:
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07297472
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Filing Dt:
|
01/12/1989
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Title:
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SECURE INTEGRATED CIRCUIT CHIP WITH CONDUCTIVE SHIELD
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Patent #:
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|
Issue Dt:
|
04/24/1990
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Application #:
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07305434
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Filing Dt:
|
02/01/1989
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|
Title:
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DUAL LOOP SINEWAVE DESCRAMBLER AND METHOD OF DESCRAMBLING
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Patent #:
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|
Issue Dt:
|
09/11/1990
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Application #:
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07305785
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Filing Dt:
|
02/02/1989
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|
Title:
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METHOD OF PROVIDING SOUND PRIVACY SYSTEM COMPATIBLE WITH MONO AND BTSC STEREO AUDIO
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Patent #:
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|
Issue Dt:
|
01/29/1991
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Application #:
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07319540
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Filing Dt:
|
03/06/1989
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Title:
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CONTROLLED AUTHORIZATION OF DESCRAMBLING OF SCRAMBLED PROGRAMS BROADCAST BETWEEN DIFFERENT JURISDICTIONS
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Patent #:
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|
Issue Dt:
|
05/22/1990
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Application #:
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07332555
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Filing Dt:
|
03/31/1989
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Title:
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METHOD AND APPARATUS FOR DESCRAMBLING A TELEVISION SIGNAL
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Patent #:
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|
Issue Dt:
|
03/26/1991
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Application #:
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07357174
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Filing Dt:
|
05/25/1989
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Title:
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FUNCTIONALLY MODIFIABLE CABLE TELEVISION CONVERTER SYSTEM
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Patent #:
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Issue Dt:
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09/03/1991
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Application #:
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07371336
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Filing Dt:
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06/26/1989
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Title:
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SELF-ALIGNING ANALOG LASER TRANSMITTER
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Patent #:
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Issue Dt:
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07/16/1991
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Application #:
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07377598
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Filing Dt:
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07/10/1989
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Title:
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NOTCH FILTER USING HELICAL TRANSMISSION LINE AND COAXIAL CAPACITOR
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Patent #:
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Issue Dt:
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08/06/1991
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Application #:
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07401973
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Filing Dt:
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09/01/1989
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Title:
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LOW PHASE NOISE AGILE UP CONVERTER
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Patent #:
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Issue Dt:
|
09/03/1991
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Application #:
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07402804
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Filing Dt:
|
09/05/1989
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Title:
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CATV SUBSCRIBER APPARATUS WITH INTELLIGENT REMOTE CONTROL
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Patent #:
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Issue Dt:
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08/04/1992
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Application #:
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07409214
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Filing Dt:
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09/19/1989
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Title:
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DYNAMICALLY RESPONSIVE CATV SYSTEM WITH SHARED FIBER OPTIC LINK
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Patent #:
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Issue Dt:
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11/26/1991
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Application #:
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07413881
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Filing Dt:
|
10/02/1989
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Title:
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COMPATIBLE EXTENDED-DEFINITION TELEVISION
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Patent #:
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Issue Dt:
|
10/13/1992
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Application #:
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07425117
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Filing Dt:
|
10/23/1989
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Title:
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METHOD AND APPARATUS FOR PROVIDING DEMOGRAPHICALLY TARGETED TELEVISION COMMERCIALS
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Patent #:
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Issue Dt:
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01/14/1992
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Application #:
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07434554
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Filing Dt:
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11/08/1989
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Title:
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INITIAL REPORTING OF REMOTELY GENERATED DATA
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Patent #:
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Issue Dt:
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06/30/1992
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Application #:
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07436614
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Filing Dt:
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11/15/1989
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Title:
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METHOD AND APPARATUS FOR REDONDANT COMMUNICATION OF OPTICL SIGNALS WITH DISTORTION CANCELLATION
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Patent #:
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Issue Dt:
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12/18/1990
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Application #:
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07445970
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Filing Dt:
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12/04/1989
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Title:
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UP-CONVERSION HOMODYNE RECEIVER FOR CABLE TELEVISION CONVERTER WITH FREQUENCY OFFSET TO AVOID ADJACENT CHANNEL INTERFERENCE
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Patent #:
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Issue Dt:
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05/07/1991
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Application #:
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07455554
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Filing Dt:
|
12/18/1989
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Title:
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VIDEO SCRAMBLING AND DESCRAMBLING BY VARYING SEQUENCE OF SEGMENTS IN ADJACENT VIDEO INFORMATION LINES
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Patent #:
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Issue Dt:
|
04/28/1992
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Application #:
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07472597
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Filing Dt:
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01/30/1990
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Title:
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ELIMINATION OF PHASE NOISE AND DRIFT INCIDENT TO UP AND DOWN CONVERSION IN A BROADCAST COMMUNICATION SYSTEM
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Patent #:
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Issue Dt:
|
10/01/1991
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Application #:
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07482644
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Filing Dt:
|
02/21/1990
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Title:
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BLOCK-CIPHER CRYPTOGRAPHIC DEVICE BASED UPON A PSEUDORANDOM NONLINEAR SEQUENCE GENERATOR
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Patent #:
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Issue Dt:
|
12/04/1990
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Application #:
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07488472
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Filing Dt:
|
02/26/1990
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Title:
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IPPV PROGRAMMING DISTRIBUTION CONTROL SYSTEM
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Patent #:
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Issue Dt:
|
09/29/1992
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Application #:
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07493006
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Filing Dt:
|
03/13/1990
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Title:
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SECURITY ENHANCEMENT IN A DATA PROCESSOR THROUGH USE OF DYNAMIC PARAMETER AUTHENTICATION
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Patent #:
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Issue Dt:
|
10/06/1992
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Application #:
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07495723
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Filing Dt:
|
03/19/1990
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Title:
|
METHOD AND APPARATUS FOR RECOVERING AM CHANNELL SIGNALS DISTRIBUTED ON AN OPTICAL FIBER
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|
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Patent #:
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Issue Dt:
|
02/25/1992
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Application #:
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07507258
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Filing Dt:
|
04/09/1990
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Title:
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APPARATUS AND METHOD FOR ADAPTIVELY COMPRESSING SUCCESSIVE BLOCKS OF DIGITAL VIDEO
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|
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Patent #:
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Issue Dt:
|
05/28/1991
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Application #:
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07510287
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Filing Dt:
|
04/16/1990
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Title:
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ADDRESSABLE CONTROL SYSTEM FOR CATV PROGRAM DISTRIBUTION
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|
|
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Patent #:
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Issue Dt:
|
06/25/1991
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Application #:
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07510289
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Filing Dt:
|
04/16/1990
|
|
Title:
|
SIGNAL SWITCHING APPARATUS
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|
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Patent #:
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|
Issue Dt:
|
07/30/1991
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Application #:
|
07523057
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Filing Dt:
|
05/11/1990
|
|
Title:
|
ON CHANNEL AGILE FM DEMODULATOR
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|
|
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Patent #:
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|
Issue Dt:
|
11/26/1991
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Application #:
|
07538823
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Filing Dt:
|
06/15/1990
|
|
Title:
|
ADAPTIVE MOTION COMPENSATION FOR DIGITAL TELEVISION
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|
|
|
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Patent #:
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|
Issue Dt:
|
11/09/1993
|
Application #:
|
07543700
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Filing Dt:
|
06/26/1990
|
|
Title:
|
APPARATUS FOR SELECTIVE DISTRIBUTION OF MESSAGES OVER A COMMUNICATIONS NETWORK
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|
|
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Patent #:
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|
Issue Dt:
|
08/18/1992
|
Application #:
|
07554278
|
Filing Dt:
|
07/17/1990
|
|
Title:
|
PIN DIODE ATTENUATOR
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|
|
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|
Patent #:
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|
Issue Dt:
|
05/05/1992
|
Application #:
|
07568990
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Filing Dt:
|
08/17/1990
|
|
Title:
|
INFORMATION PROCESSING APPARATUS WITH REPLACEABLE SECURITY ELEMENT
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|
|
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Patent #:
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|
Issue Dt:
|
03/03/1992
|
Application #:
|
07570157
|
Filing Dt:
|
08/20/1990
|
|
Title:
|
MOTION COMPENSATION FOR INTERLACED DIGITAL TELEVISION SIGNALS
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|
|
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Patent #:
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|
Issue Dt:
|
05/11/1993
|
Application #:
|
07581015
|
Filing Dt:
|
09/12/1990
|
|
Title:
|
APPARATUS AND METHOD FOR LINEARIZING THE OPERATION OF AN EXTERNAL OPTICAL MODULATOR
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|
|
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|
Patent #:
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|
Issue Dt:
|
10/01/1991
|
Application #:
|
07592650
|
Filing Dt:
|
10/04/1990
|
|
Title:
|
PREVENTION OF INSPECTION OF SECRET DATA STORED IN ENCAPSULATED INTEGRATED CIRCUIT CHIP
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|
|
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|
Patent #:
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|
Issue Dt:
|
02/11/1992
|
Application #:
|
07598190
|
Filing Dt:
|
10/16/1990
|
|
Title:
|
THERMOELECTRIC COOLER CONTROL CIRCUIT
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|
|
|
|
Patent #:
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|
Issue Dt:
|
08/11/1992
|
Application #:
|
07604868
|
Filing Dt:
|
10/29/1990
|
|
Title:
|
METHOD AND APPARATUS FOR COMMUNICATING A PLURALITY OF ASYNCHRONOUS SIGNALS OVER A DIGITAL COMMUNICATION PATH
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|
|
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|
Patent #:
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|
Issue Dt:
|
04/21/1992
|
Application #:
|
07609194
|
Filing Dt:
|
11/05/1990
|
|
Title:
|
OPTICAL TRANSMISSION OF RF SUBCARRIERS IN ADJACENT SIGNAL BANDS
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|
|
|
|
Patent #:
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|
Issue Dt:
|
06/02/1992
|
Application #:
|
07609808
|
Filing Dt:
|
11/06/1990
|
|
Title:
|
APPARATUS AND METHOD FOR EXTERNALLY MODULATING AN OPTICAL CARRIER
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|
|
|
|
Patent #:
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|
Issue Dt:
|
08/11/1992
|
Application #:
|
07614621
|
Filing Dt:
|
11/16/1990
|
|
Title:
|
PORTABLE TELEPHONE HANDSET WITH REMOTE CONTROL
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|
|
|
|
Patent #:
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|
Issue Dt:
|
10/15/1991
|
Application #:
|
07614939
|
Filing Dt:
|
11/16/1990
|
|
Title:
|
METHOD AND APPARATUS FOR REFRESHING MOTION COMPENSATED SEQUENTIAL VIDEO IMAGES
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/01/1992
|
Application #:
|
07614940
|
Filing Dt:
|
11/16/1990
|
|
Title:
|
APPARATUS AND METHOD FOR UPGRADING TERMINALS TO MAINTAIN A SECURE COMMUNICATION NETWORK
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|
