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Total properties:
13
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Patent #:
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Issue Dt:
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01/21/1986
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Application #:
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06502654
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Filing Dt:
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06/09/1983
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Title:
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TELEVISION VIEWER DATA COLLECTION SYSTEM
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Patent #:
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Issue Dt:
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04/14/1987
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Application #:
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06658378
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Filing Dt:
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10/05/1984
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Title:
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TELEVISION AND MARKET RESEARCH DATA COLLECTION SYSTEM AND METHOD
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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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06859134
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Filing Dt:
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05/02/1986
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Title:
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METHOD, APPARATUS AND SYSTEM FOR RECOGNIZING BROADCAST SEGMENTS
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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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07036861
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Filing Dt:
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04/10/1987
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Title:
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TELEVISION AND MARKET RESEARCH DATA COLLECTION SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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03/27/1990
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Application #:
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07183113
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Filing Dt:
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04/19/1988
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Title:
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DISTRIBUTED MONITORING SYSTEM
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Patent #:
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Issue Dt:
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07/04/1989
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Application #:
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07186602
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Filing Dt:
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04/27/1988
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Title:
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MODEM RINGING SUPPRESSION CIRCUIT
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Patent #:
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Issue Dt:
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05/28/1991
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Application #:
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07265831
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Filing Dt:
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11/01/1988
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Title:
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ELECTRONIC DATA ENCODING AND RECOGNITION SYSTEM
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Patent #:
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Issue Dt:
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08/10/1993
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Application #:
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07526103
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Filing Dt:
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05/21/1990
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Title:
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NON-OBTRUSIVE PROGRAMMING MONITOR
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Patent #:
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Issue Dt:
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04/14/1998
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Application #:
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07734585
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Filing Dt:
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07/23/1991
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Title:
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SELF-ADMINISTERED SURVEY SYSTEMS, METHODS AND DEVICES
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Patent #:
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Issue Dt:
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07/25/1995
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Application #:
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07876578
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Filing Dt:
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04/30/1992
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Title:
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METHOD AND SYSTEM FOR RECOGNITION OF BROADCAST SEGMENTS
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Patent #:
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Issue Dt:
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03/18/1997
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Application #:
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08475779
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Filing Dt:
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06/07/1995
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Title:
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METHOD AND SYSTEM FOR PRODUCING A SIGNATURE CHARACTERIZING AN AUDIO BROADCAST SIGNAL
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Patent #:
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Issue Dt:
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04/15/1997
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Application #:
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08481815
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Filing Dt:
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06/07/1995
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Title:
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METHOD AND SYSTEM FOR RECOGNTION OF BROADCAST SEGMENTS
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Patent #:
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Issue Dt:
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11/05/1996
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Application #:
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08486511
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Filing Dt:
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06/07/1995
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Title:
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METHOD AND APPARATUS FOR SIGNAL WHILE COMPENSATING FOR PICTURE EDGE SHIFT
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