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

Advanced vertical array beamformer

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

Airborne acoustic sensor array

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

Aircraft detection system

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

Alarms between stations with relative motion

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

Alerting system for a facility

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

Angle tracking system

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

Antenna formed of a plurality of acoustic pick-ups

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

Apparatus and method for calibrating an acoustic detection...

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

Apparatus and method for detecting sharp signal variations again

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

Apparatus and method for determining the position of an...

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

Apparatus and method for determining travel time of acoustic ene

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

Apparatus and method for reducing noise for moveable target

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

Apparatus and method for the electro acoustical measurement of t

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

Apparatus for detecting position

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

Apparatus for detecting position

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With plurality of transducers

Apparatus for marking individual points of an underwater constru

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

Apparatus for measuring the length of pipe and other hollow memb

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

Apparatus for monitoring surroundings of vehicle and sensor...

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

Apparatus for reduction of side lobes in a beam pattern of an ar