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

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Digital ultrasound beamformer

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 – With time interval measuring means

Distance measurement for building automation devices with...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Distance measurement for building automation devices with...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With electromagnetic wave

Distance measurement for wireless building automation devices

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 – With time interval measuring means

Distance measuring apparatus and method

Communications – electrical: acoustic wave systems and devices – Distance or direction finding

Diver navigation system

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

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With towing

Dual zero velocity towed array system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Dual-frequency receiving array using randomized element position

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With electromagnetic wave

Dynamic positioning of marine vessels