LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Distance or direction finding,By combining or comparing signals

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Frequency activated direction indicator

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Fusing contact data for best-estimate solution

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Goniotelemetry system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Ground threat location for an aircraft

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Harmonic ambiguity resolver and inter array harmonic tracker

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Headtracking system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Hydroacoustic ranging system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Hydroacoustic ranging system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Hydrophone for determining direction of underwater sound

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Inclination angle measurement apparatus

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Integrated passive acoustic and active marine aquatic apparatus

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Inverse beamforming sonar system and method

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Leak locating microphone, method and system for locating fluid l

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Level detector for solids

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Locating signal sources under suppression of noise

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Matched-lag filter for detection and communication

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Measurement system using sonic and ultrasonic waves

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Method and apparatus for acoustic emission monitoring

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Method and apparatus for acoustic source tracking using a...