Communications: directive radio wave systems and devices (e.g. – Presence detection only
Patent
1986-06-03
1988-05-10
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Presence detection only
342 21, 375 1, 375 35, G01S 1304
Patent
active
047439068
ABSTRACT:
A communications system wherein there is employed a signal mixer in which a received signal is multiplied by a template signal, and then the output of the mixer is integrated. By this process, usable signals are obtained which would be otherwise obscured by noise.
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Blum Theodore M.
Gregory Bernarr E.
Phillips C. A.
Phillips Charles A.
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