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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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08274140
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Filing Dt:
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07/12/1994
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Title:
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METHOD AND SYSTEM FOR SIMULTANEOUSLY BROADCASTING AND RECEIVING DIGITAL AND ANALOG SIGNALS
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Patent #:
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Issue Dt:
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12/15/1998
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Application #:
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08454032
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Filing Dt:
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05/30/1995
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Title:
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IN-BAND ON-CHANNEL DIGITAL BROADCASTING
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Patent #:
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Issue Dt:
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10/27/1998
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Application #:
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08593154
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Filing Dt:
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02/01/1996
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Title:
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CARRIER TRACKING TECHNIQUE AND APPARATUS HAVING AUTOMATIC FLYWHEEL/ TRACKING/REACQUISITION CONTROL AND EXTENDED SIGNAL TO NOISE RATIO
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Patent #:
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Issue Dt:
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04/27/1999
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Application #:
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08602553
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Filing Dt:
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02/20/1996
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Title:
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DATA SERVICE CHANNEL PROVISION FOR AN AM COMPATIBLE BROADCAST SYSTEM
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Patent #:
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Issue Dt:
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09/15/1998
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Application #:
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08603768
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Filing Dt:
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02/20/1996
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Title:
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METHOD AND APPARATUS FOR IMPROVING THE QUALITY OF AM COMPATIBLE DIGITAL BROADCAST SYSTEM SIGNALS IN THE PRESENCE OF DISTORTION
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Patent #:
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Issue Dt:
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12/30/1997
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Application #:
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08604199
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Filing Dt:
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02/20/1996
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Title:
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METHOD AND APPARATUS FOR IMPROVING THE QUALITY OF AM COMPATIBLE DIGITAL BROADCAST SYSTEM SIGNALS IN THE PRESENCE OF DISTORTION
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Patent #:
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Issue Dt:
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05/27/1997
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Application #:
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08604276
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Filing Dt:
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02/21/1996
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Title:
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AM COMPATIBLE DIGITAL WAVEFORM DEMODULATION USING A DUAL FFT
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Patent #:
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Issue Dt:
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06/09/1998
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Application #:
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08636044
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Filing Dt:
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04/22/1996
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Title:
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AM COMPATIBLE DIGITAL WAVEFORM FRAME TIMING RECOVERY AND FRAME SYNCHRONOUS POWER MEASUREMENT
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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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08724606
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Filing Dt:
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09/30/1996
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Title:
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APPARATUS AND METHOD FOR GENERATING AN AM-COMPATIBLE DIGITAL BROADCAST WAVEFORM
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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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08749098
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Filing Dt:
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11/14/1996
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Title:
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AM COMPATIBLE DIGITAL AUDION BROADCASTING SIGNAL TRANSMISION USING DIGITALLY MODULATED ORTHOGONAL NOISE-LIKE SEQUENCES
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Patent #:
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Issue Dt:
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03/02/1999
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Application #:
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08803699
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Filing Dt:
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02/21/1997
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Title:
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COHERENT SIGNAL DETECTOR FOR AM-COMPATIBLE DIGITAL AUDIO BROADCAST WAVEFORM RECOVERY
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Patent #:
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Issue Dt:
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10/03/2000
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Application #:
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08803714
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Filing Dt:
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02/21/1997
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Title:
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RECEIVER ADDRESSABLE AM COMPATIBLE DIGITAL BROADCAST SYSTEM
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Patent #:
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Issue Dt:
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05/11/1999
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Application #:
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08914355
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Filing Dt:
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08/19/1997
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Title:
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METHOD AND SYSTEM SOR SIMULTANEOUSLY BROADCASTING AND RECEIVING DIGITAL AND ANALOG SIGNALS
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Patent #:
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Issue Dt:
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09/07/1999
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Application #:
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08914356
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Filing Dt:
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08/19/1997
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Title:
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METHOD AND SYSTEM FOR SIMULTANEOUSLY BROADCASTING AND RECEIVING DIGITAL AND ANALOG SIGNALS
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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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08914456
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Filing Dt:
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08/19/1997
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Title:
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METHOD AND SYSTEM FOR SIMULTANEOUSLY BROADCASTING AND RECEIVING DIGITAL AND ANALOG SIGNALS
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Patent #:
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Issue Dt:
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01/23/2001
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Application #:
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08947902
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Filing Dt:
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10/09/1997
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Title:
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SYSTEM AND METHOD FOR MITIGATING INTERMITTENT INTERRUPTIONS IN AN AUDIO RADIO BROADCAST SYSTEM
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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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09049140
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Filing Dt:
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03/27/1998
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Title:
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DIGITAL AUDIO BROADCASTING METHOD USING PUNCTURABLE CONVOLUTIONAL CODE
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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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09049210
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Filing Dt:
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03/27/1998
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Title:
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FM IN-BAND-ON-CHANNEL DIGITAL AUDIO BROADCASTING METHOD AND SYSTEM
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Patent #:
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Issue Dt:
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11/14/2000
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Application #:
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09049216
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Filing Dt:
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03/27/1998
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Title:
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METHOD FOR DATA TRANSMISSION IN A DIGITAL AUDIO BROADCASTING SYSTEM
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Patent #:
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Issue Dt:
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06/05/2001
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Application #:
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09049217
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Filing Dt:
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03/27/1998
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Title:
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METHOD AND APPARATUS FOR AM DIGITAL BROADCASTING
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Patent #:
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Issue Dt:
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11/13/2001
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Application #:
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09153636
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Filing Dt:
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09/15/1998
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Title:
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ADAPTIVE WEIGHTING METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED SOFT SYMBOLS USING CHANNEL STATE INFORMATION ESTIMATES
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Patent #:
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Issue Dt:
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09/17/2002
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Application #:
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09153637
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Filing Dt:
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09/15/1998
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Title:
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METHOD AND APPARATUS FOR AM COMPATIBLE DIGITAL BROADCASTING
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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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09169738
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Filing Dt:
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10/08/1998
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Title:
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IN-BAND ON-CHANNEL DIGITAL BROADCASTING
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Patent #:
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Issue Dt:
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07/10/2001
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Application #:
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09192555
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Filing Dt:
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11/03/1998
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Title:
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METHOD AND APPARATUS FOR REDUCTION OF FM INTERFERENCE FOR FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING SYSTEM
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Patent #:
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Issue Dt:
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09/18/2001
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Application #:
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09207894
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Filing Dt:
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10/02/1998
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Title:
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METHOD FOR EQUALIZATION OF COMPLEMENTARY CARRIERS IN AN AM COMPATIBLE DIGITAL AUDIO BROADCAST SYSTEM
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Patent #:
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Issue Dt:
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09/25/2001
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Application #:
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09208107
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Filing Dt:
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10/02/1998
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Title:
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METHOD AND APPARATUS FOR DEMODULATING AND EQUALIZING AN AM COMPATIBLE DIGITAL AUDIO BROADCAST SIGNAL
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Patent #:
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Issue Dt:
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03/25/2003
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Application #:
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09252959
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Filing Dt:
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02/18/1999
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Title:
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SYSTEM AND METHOD FOR RECOVERING SYMBOL TIMING OFFSET AND CARRIER FREQUENCY ERROR IN AN OFDM DIGITAL AUDIO BROADCAST SYSTEM
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Patent #:
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07/08/2003
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09261468
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Filing Dt:
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02/24/1999
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Title:
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AUDIO BLEND METHOD AND APPARATUS FOR AM AND FM IN BAND ON CHANNEL DIGITAL AUDIO BROADCASTING
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Patent #:
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03/11/2003
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09339362
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06/24/1999
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Title:
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METHOD FOR ESTIMATING SIGNAL-TO-NOISE RATIO OF DIGITAL CARRIERS IN AN AM COMPATIBLE DIGITAL AUDIO BROADCASTING SYSTEM
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Patent #:
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Issue Dt:
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04/29/2003
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Application #:
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09339363
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Filing Dt:
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06/24/1999
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Title:
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METHOD AND APPARATUS FOR DETERMINING TRANSMISSION MODE AND SYNCHRONIZATION FOR A DIGITAL AUDIO BROADCASTING SIGNAL
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Patent #:
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06/04/2002
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09339745
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06/24/1999
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Title:
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METHOD AND APPARATUS FOR TRAINING SEQUENCE IDENTIFICATION IN AN AM COMPATIBLE DIGITAL AUDIO BROADCASTING SYSTEM
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Patent #:
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10/03/2000
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09379780
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08/24/1999
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Title:
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METHOD AND APPRATUS FOR REDUCING PEAK TO AVERAGE POWER RATIO IN DIGITAL BROADCASTING SYSTEMS
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04/13/2004
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09382716
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08/24/1999
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Title:
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METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF COMPRESSED AUDIO FRAMES WITH PRIORITIZED MESSAGES FOR DIGITAL AUDIO BROADCASTING
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04/15/2003
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09438148
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11/10/1999
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Title:
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METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING
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02/18/2003
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09438822
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11/11/1999
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METHOD AND APPARATUS FOR FORWARD ERROR CORRECTION CODING FOR AN AM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING SYSTEM
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02/05/2002
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09553195
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04/20/2000
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Title:
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Digital audio broadcasting method using puncturable convolutional code
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12/30/2003
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09595369
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06/15/2000
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METHOD AND APPARATUS FOR REDUCTION OF INTERFERENCE IN FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING RECEIVERS
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05/31/2005
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09747143
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12/22/2000
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06/07/2001
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Title:
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SYSTEM AND METHOD FOR MITIGATING INTERMITTENT INTERRUPTIONS IN AN AUDIO RADIO BROADCAST SYSTEM
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11/26/2002
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09834077
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04/12/2001
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09/13/2001
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METHOD AND APPARATUS FOR AM DIGITAL BROADCASTING
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09/16/2003
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09860246
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05/18/2001
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09/20/2001
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Title:
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METHOD AND APPARATUS FOR REDUCTION OF FM INTERFERENCE FOR FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING SYSTEM
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05/27/2003
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09952450
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09/14/2001
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01/31/2002
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Title:
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METHOD FOR EQUALIZATION OF COMPLEMENTARY CARRIERS IN AN AM COMPATIBLE DIGITAL AUDIO BROADCAST SYSTEM
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11/12/2002
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09961462
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09/24/2001
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07/25/2002
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Title:
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METHOD AND APPARATUS FOR DEMODULATING AND EQUALIZING AN AM COMPATIBLE DIGITAL AUDIO BROADCAST SIGNAL
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05/17/2005
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09977710
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10/15/2001
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03/28/2002
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Title:
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ADAPTIVE WEIGHTING METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED SOFT SYMBOLS USING CHANNEL STATE INFORMATION ESTIMATES
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09/28/2004
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10012828
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12/10/2001
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06/12/2003
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AM DIGITAL AUDIO BROADCASTING WITH ANALOG SIGNAL PRE-COMPENSATION
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10/28/2003
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10022632
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12/17/2001
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06/19/2003
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Title:
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METHOD AND APPARATUS FOR PULSE OVERLAP PRE-COMPENSATION IN DIGITALLY MODULATED SIGNALS
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05/18/2010
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10032951
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10/26/2001
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05/15/2003
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SYSTEM AND METHOD FOR PROVIDING A PUSH OF BACKGROUND DATA
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01/18/2005
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10033420
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10/26/2001
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05/15/2003
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05/22/2007
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10136136
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05/01/2002
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11/06/2003
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ADJACENT CHANNEL INTERFERENCE MITIGATION FOR FM DIGITAL AUDIO BROADCASTING RECEIVERS
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05/09/2006
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10138898
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05/03/2002
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11/13/2003
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DIGITAL AUDIO BROADCASTING METHOD AND APPARATUS USING COMPLEMENTARY PATTERN-MAPPED CONVOLUTIONAL CODES
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05/22/2007
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10210143
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07/31/2002
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02/05/2004
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METHOD AND APPARATUS FOR RECEIVING A DIGITAL AUDIO BROADCASTING SIGNAL
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03/13/2007
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10261454
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10/01/2002
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04/01/2004
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EFFICIENT CODING OF HIGH FREQUENCY SIGNAL INFORMATION IN A SIGNAL USING A LINEAR/NON-LINEAR PREDICTION MODEL BASED ON A LOW PASS BASEBAND
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05/10/2005
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10278316
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10/23/2002
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03/20/2003
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SYSTEM AND METHOD FOR RECOVERING SYMBOL TIMING OFFSET AND CARRIER FREQUENCY ERROR IN AN OFDM DIGITAL AUDIO BROADCAST SYSTEM
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12/09/2008
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10310105
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12/04/2002
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09/25/2003
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METHOD AND APPARATUS FOR FORWARD ERROR CORRECTION CODING FOR AN AM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING SYSTEM
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05/24/2005
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10321058
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12/17/2002
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06/17/2004
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METHOD AND APPARATUS FOR AM DIGITAL AUDIO BROADCASTING WITH AMPLITUDE SCALED TERTIARY SUBCARRIERS
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01/03/2006
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10342764
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01/15/2003
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07/24/2003
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METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING
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11/29/2005
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10366886
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02/14/2003
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08/19/2004
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METHOD AND APPARATUS FOR DYNAMIC FILTER SELECTION IN RADIO RECEIVERS
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10/24/2006
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10373484
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02/24/2003
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08/26/2004
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COHERENT AM DEMODULATOR USING A WEIGHTED LSB/USB SUM FOR INTERFERENCE MITIGATION
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06/23/2009
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10377513
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02/28/2003
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04/08/2004
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05/11/2004
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10426764
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04/30/2003
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10/09/2003
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AUDIO BLEND METHOD AND APPARATUS FOR AM AND FM IN-BAND ON-CHANNEL DIGITAL AUDIO BROADCASTING
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12/04/2007
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10465443
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06/19/2003
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04/22/2004
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Title:
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04/01/2008
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10672441
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09/26/2003
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04/01/2004
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12/04/2007
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10715582
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11/18/2003
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05/19/2005
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Title:
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03/04/2008
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01/26/2004
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07/28/2005
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06/02/2009
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02/02/2004
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08/04/2005
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05/25/2010
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06/23/2004
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05/19/2005
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06/09/2009
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07/26/2004
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01/26/2006
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01/06/2009
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09/09/2004
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03/09/2006
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03/31/2009
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03/16/2005
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09/21/2006
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09/27/2011
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10/12/2006
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04/13/2010
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11/14/2005
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05/17/2007
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06/08/2010
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05/17/2007
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04/27/2010
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05/17/2007
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10/18/2011
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12/04/2006
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06/05/2008
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09/06/2011
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06/26/2008
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04/26/2011
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12/04/2008
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04/26/2011
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12/04/2008
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07/19/2011
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03/26/2009
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03/05/2009
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05/21/2009
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