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

Detecting and ranging system

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

Detection of moving objects

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

Detector employing logic circuitry for the selective screening o

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

Determining a position of a survey receiver in a body of water

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

Determining angles of arrival using multipaths

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

Device for localizing acoustic sources and measuring their...

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

Direction finder for incoming gunfire

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

Direction-finding array of crossed dipoles

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

Directional energy receiving systems for use in the automatic in

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

Directional energy receiving systems for use in the indication o

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

Directional microphone or microphones for position...

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

Display detection enhancement

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

Distance measurement for wireless building automation devices

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

Doppler compensated PSK signal processor

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

Dual channel delay sensing circuit

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

Dual channel switch with frequency band limiting