1
Robert D Briskman: Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems. CD Radio, January 7, 1997: US05592471 (166 worldwide citation)

Mobile radio receivers in a broadcasting system having more than one transmission channel sending the same programs use time diversity to prevent service outages during periods when none of the channels can be received.


2
Robert D Briskman: Digital radio satellite and terrestrial ubiquitous broadcasting system using spread spectrum modulation. CD Radio, Patrick F Bright, January 26, 1999: US05864579 (78 worldwide citation)

A digital radio broadcasting system using spread spectrum modulation transmitted from both geosynchronous satellites and terrestrial repeater stations provides multi-program audio services to mobile and fixed user receivers over a large geographical area in an ubiquitous manner.


3
Robert D Briskman, John M Seavey, Paul Medeiros: Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites and hemispherical coverage antennas. CD Radio, January 16, 1996: US05485485 (65 worldwide citation)

The methods and systems for reducing multipath fading and outage from blockage in a radio broadcasting system that is adapted to simultaneously broadcast signals having frequencies in the range of about 300 MHz to about 3,000 MHz from two or more satellite sources traveling on a substantially geosyn ...


4
Robert D Briskman: Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites. CD Radio, June 7, 1994: US05319673 (58 worldwide citation)

High quality audio broadcasts at radio frequencies to mobile receivers at or near the earth's surface are provided by substantially simultaneous transmission of the same signal from two geosynchronous, spatially-separated satellites on the geosynchronous orbit which virtually eliminates multipath fa ...


5
Robert D Briskman: Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites. CD Radio Incorporated, January 11, 1994: US05278863 (48 worldwide citation)

High quality audio broadcasts at radio frequencies to mobile receivers at or near the earth's surface are provided by substantially simultaneous transmission of the same signal from two geosynchronous, spatially-separated satellites on the geosynchronous orbit which virtually eliminates multipath fa ...


6
Robert D Briskman: Satellite broadcast system receiver. CD Radio, Patrick F Bright, Bright & Lorig, August 11, 1998: US05794138 (35 worldwide citation)

A radio receiver augmentation system for insertion in a cassette player or compact disc player includes a receiver unit and an antenna unit. The receiver unit includes an insertable element having a size and shape suitable for insertion in a tape cassette receiving slot of a cassette player/radio co ...


7
Robert D Briskman: Automatic frequency control of satellite transmitted spread spectrum signals. Geostar Corporation, Venable Baetjer and Howard, July 30, 1991: US05036523 (25 worldwide citation)

Automatic frequency control is provided in a satellite-based spread spectrum radio communication system by employing a pilot signal as a frequency reference. A transmitter inserts the pilot signal at a null point in the power versus frequency spectrum of the transmitted spread spectrum signal in ord ...


8
Robert D Briskman: Satellite broadcast receiver system. CD Radio, Patrick F Bright, February 8, 2000: US06023616 (23 worldwide citation)

A broadcast receiving system for use with an FM radio transmitter in a vehicle includes an adapter unit and an antenna unit. The adapter unit includes a connector to a vehicle's existing power system, e.g., cigarette lighter receptacle. The adapter unit receives audio program signals from the antenn ...


9
Robert D Briskman, Robert A Nelson: Efficient high latitude service area satellite mobile broadcasting systems. Sirius Satellite Radio, Patrick F Bright Esq, Bright & Lorig, May 13, 2003: US06564053 (19 worldwide citation)

Satellite audio broadcasting systems include orbital constellations for providing high elevation angle coverage of audio broadcast signals from the constellation's satellites to fixed and mobile receivers within service areas located at geographical latitudes well removed from the equator.


10
Robert D Briskman, Robert A Nelson: Efficient high latitude service area satellite mobile broadcasting systems. Sirius Satellite Radio, Patrick F Bright, April 24, 2001: US06223019 (15 worldwide citation)

A satellite audio broadcasting system for mobile and fixed receivers at or near the earth's surface in geographic service areas at latitudes above about 30 degrees N or below about 30 degrees S include a satellite constellation of two or more satellites, each in its own geosynchronous orbit, wi ...