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 for the formation of channels for sonar

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

Method for the formation of radiated beams in direction finder s

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

Method for three-dimensional beam forming in direction...

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

Method for visualization of echoes received by an active...

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

Method for visualization of echoes received by an active...

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

Method of active sonar detection of a stationary target

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

Method of and a device for safeguarding a vehicle or machinery m

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