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

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

Surveillance device for signal-echo sensors

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

Switch matrix

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

Synthetic focus annular array transducer

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

System and method for detecting obstacles for vehicles

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

System and method for position determination of objects

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

System and method of range estimation

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

System for acoustically measuring the length of a pipe

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

System for canceling interferers from broadband active sonar sig

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

System for detecting distances using chaotic signals

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

System for detecting surrounding environmental conditions using

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

System for detection of buried objects

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

System for measuring position using electronic or ultrasonic dev

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

System for providing improved reverberation limited sonar perfor

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

Systems and methods for flow measurement