LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Echo systems,Returned signal used for control

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for elimination of passive noise interference in sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for elimination of passive noise interference in sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for elimination of passive noise interference in sonar

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for high-pass filtering for echo processing in time...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for operating a transmitting/receiving circuit and a circ

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for processing an echo profile and a pulse-echo...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for the suppression of interference signals during operat

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method for vehicle data dependent range measurement from a...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of and apparatus for combined optical and sonar detection

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of and apparatus for navigating unmarked channels

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of and apparatus for providing object data by machine vis

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of counting the number of passers-by

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of determining range data in a time-of-flight ranging sys

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method of locking onto and tracking a target

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Mine neutralization system

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Monitoring apparatus

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Multi-static object tracker using specular cue initiation...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Noninvasive ultrasonic proximity detector for a fluid actuated c

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Noninvasive ultrasonic proximity detector for a fluid actuated c