Pat.#4743906:		Time domain radio transmission system
INVENTORS:		Fullerton; Larry W., Huntsville, AL
ASSIGNEES:		Phillips; Charles A., Ardmore, TN
ISSUED:		May. 10, 1988
FILED:		Jun. 3, 1986
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.