Cross-band broadcasting

DWPI Title: Radio communications device for use in aircraft, has radio transmitter to receives single combined output signal and in response to simultaneously transmit modulated carrier signals over air
Abstract: A radio communications device has a modulator that modulates each of a number of different carrier signals with the same message. A combiner combines the modulated carrier signals into a single combined output signal. A radio transmitter receives the single combined output signal and in response simultaneously transmits the modulated carrier signals over the air. Other embodiments are also described.
Use: Radio communications device for use in aircraft, law enforcement operation to broadcast safety information or coordinate communications to officer or civilian, or installed within marine coast guard or harbor patrol craft.
Advantage: The radio device is used to efficiently alert a wide range of different emergency response teams simultaneously, by flooding all channels of a particular communications band with the same message simultaneously.
Novelty: The radio communications device has a modulator (2) to modulate each of different carrier signals with a same message. A combiner combines the modulated carrier signals into a single combined output signal. A radio transmitter receives the single combined output signal and in response simultaneously transmits the modulated carrier signals over the air. A peak reduction block (6) is coupled between the single combined output signal and the radio transmitter. A digital to analog converter (5) converts the single combined output signal into analog form.
Filed: 11/12/2013
Application Number: US14077824A
Tech ID: SD 12483.1
This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.
Data from Derwent World Patents Index, provided by Clarivate
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