Assignee
CD RADIO INC
US9 patents
Top patents by PatentIndex Score
US5864579AJan 26, 1999
Digital radio satellite and terrestrial ubiquitous broadcasting system using spread spectrum modulation
CD RADIO INC157 citations98
US5592471AJan 7, 1997
Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
CD RADIO INC328 citations98
US5319673AJun 7, 1994
Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
CD RADIO INC113 citations97
US5794138AAug 11, 1998
Satellite broadcast system receiver
CD RADIO INC64 citations95
US5745839AApr 28, 1998
Satellite multiple access system with distortion cancellation and compression compensation
CD RADIO INC66 citations95
US5720039AFeb 17, 1998
Satellite multiple access system with distortion cancellation and compression compensation
CD RADIO INC44 citations95
US5485485AJan 16, 1996
Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites and hemispherical coverage antennas
CD RADIO INC114 citations95
US5278863AJan 11, 1994
Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites
CD RADIO INC80 citations95
US6023616AFeb 8, 2000
Satellite broadcast receiver system
CD RADIO INC41 citations92