Assignee
USA DIGITAL RADIO PARTNERS L P
US·13 granted patents·1,084 citations·filing 1993–1998
Top patents by PatentIndex Score
13 records- 0189US5956373AAM compatible digital audio broadcasting signal transmision using digitally modulated orthogonal noise-like sequencesUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Sep 21, 1999·221 cites·23 claims
- 0288US5878089ACoherent signal detector for AM-compatible digital audio broadcast waveform recoveryUSA DIGITAL RADIO PARTNERS L P·Filed 1997·Granted Mar 2, 1999·68 cites·29 claims
- 0386US5809065AMethod and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortionUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Sep 15, 1998·74 cites·16 claims
- 0482US5764706AAM compatible digital waveform frame timing recovery and frame synchronous power measurementUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Jun 9, 1998·135 cites·9 claims
- 0579US5465396AIn-band on-channel digital broadcastingUSA DIGITAL RADIO PARTNERS L P·Filed 1993·Granted Nov 7, 1995·123 cites·17 claims
- 0677US5898732AData service channel provision for an AM compatible broadcast systemUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Apr 27, 1999·97 cites·10 claims
- 0777US5745525AMethod and system for simultaneously broadcasting and receiving digital and analog signalsUSA DIGITAL RADIO PARTNERS L P·Filed 1995·Granted Apr 28, 1998·80 cites·3 claims
- 0876US5850415AIn-band on-channel digital broadcastingUSA DIGITAL RADIO PARTNERS L P·Filed 1995·Granted Dec 15, 1998·83 cites·9 claims
- 0975US5757854AIn-band on-channel digital broadcastingUSA DIGITAL RADIO PARTNERS L P·Filed 1995·Granted May 26, 1998·80 cites·8 claims
- 1062US5633896AAM compatible digital waveform demodulation using a dual FFTUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted May 27, 1997·48 cites·12 claims
- 1159US5703954AMethod and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortionUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Dec 30, 1997·37 cites·14 claims
- 1250US6148007AMethod for data transmission in a digital audio broadcasting systemUSA DIGITAL RADIO PARTNERS L P·Filed 1998·Granted Nov 14, 2000·24 cites·7 claims
- 1343US5930687AApparatus and method for generating an AM-compatible digital broadcast waveformUSA DIGITAL RADIO PARTNERS L P·Filed 1996·Granted Jul 27, 1999·14 cites·42 claims
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