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SIGNAL SCIENCE INC

US7 patents

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US4888593ADec 19, 1989

Time difference of arrival geolocation method, etc.

SIGNAL SCIENCE INC124 citations92
US3970987AJul 20, 1976

Acoustical switch

SIGNAL SCIENCE INC45 citations92
US5691978ANov 25, 1997

Self-cancelling full-duplex RF communication system

SIGNAL SCIENCE INC349 citations91
US5640423AJun 17, 1997

Method for signal transmission using spectrally efficient orthogonal modulation

SIGNAL SCIENCE INC59 citations85
US5285499AFeb 8, 1994

Ultrasonic frequency expansion processor

SIGNAL SCIENCE INC33 citations83
US5524124AJun 4, 1996

Multiple-filter equalizer for structured digitally modulated signals

SIGNAL SCIENCE INC21 citations79
US5455846AOct 3, 1995

Detection of a digitally modulated signal using binary line enhancement

SIGNAL SCIENCE INC10 citations70