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

Method of and apparatus for echo location of objects

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

Method of and apparatus for measuring distance to an obstacle ut

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

Method of and apparatus for pipe length measurement

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

Method of and apparatus for providing information as to the exis

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

Method of and apparatus for providing information as to the exis

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

Method of converting received data to a two-dimensional...

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

Method of extracting target range and Doppler information from a

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

Method of indicating the time of an acoustic pulse and a device

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

Method of measuring an angle in three dimensions, by scanning an

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

Method of measuring microcrack depth

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

Method of operating an acoustic pulse echo ranging system

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

Method of, and apparatus for, detecting the position of an objec

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

Methods and apparatus for use in ultrasonic ranging

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

Methods for controlling deployment of an occupant restraint...

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

Minehunting systems

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

Miniaturized scan within a pulse sonar

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

Mobility cane for the blind incorporating ultrasonic obstacle se

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

Monitor unit for sensors, particularly ultrasonic sensors, for m

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

Monitoring device and method using echo signals