Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1995-02-03
1998-06-09
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455 62, 455101, H04B 702
Patent
active
057651000
ABSTRACT:
A communication system that provides dual frequency communication using a single superheterodyne receiver that receives both the desired frequency and the image frequency of a transmitted signal. If communication cannot be established on a desired frequency, the transmitter switches to the image frequency while the receiver frequency remains constant.
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Spragins et al., Telecommunications, Jul., 1992, pp. 281-283.
Symbol Technologies Inc.
Urban Edward F.
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