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

Multi-static, opportune-source-exploiting, passive sonar...

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

Narrowband phase difference measurement technique for sonar...

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

Noise suppression system

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

Noise suppression system

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

Onboard acoustic tracking system

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

Panoramic audio device for passive sonar

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

Passive direction finding device

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

Passive sound telemetry method

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

Passive underwater target detection and locating system

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

Personal identification method and apparatus using acoustic...

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

Phase accumulator-bearing tracker

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

Phase alignment for vector and coherent signal processing

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

Phase measurements using pseudo-random code

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

Planar end-fire array

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

PLL sonic bilge pump switch

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

Position detecting device, autonomous mobile device, method,...

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

Raster based system and method for target tracking and...

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

Recursive method for target motion analysis

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

Sensor array post-filter for tracking spatial distributions...