H - Electricity – 04 – K
Patent
H - Electricity
04
K
354/47, 340/70
H04K 1/02 (2006.01) H04L 9/12 (2006.01)
Patent
CA 1293785
SECURE COMMUNICATION SYSTEM Abstract Disclosed is a synchronous secure communication system (Figure 1) wherein an information signal is encrypted in an encryption means (208). The encrypted signal is compressed (210) to allow the insertion of a pseudo-random synchronization signal (212), and the combined signals are transmitted (220). At the receiver, the pseudo-random synchronization signal is extracted (232) and used to synchronize the receiver to the incoming data stream thereby improving receiver sensitivity and range.
541899
Bray Michelle M.
Bright Michael W.
Hennen Harry Anthony
Weiss David Lee
Wilson Alan L.
Gowling Lafleur Henderson Llp
Motorola Inc.
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