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

Apparatus and method of vehicle occupant sensing using...

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

Apparatus for and method of adaptively processing sonar data

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

Apparatus for detecting obstructions behind vehicle

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

Apparatus for determining the distance from a predetermined poin

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

Apparatus for displaying depth sounding data with nautical range

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

Apparatus for displaying ultrasonic image

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

Apparatus for distance measurement by means of ultrasound

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

Apparatus for encoding fishfinder image information and transmis

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

Apparatus for measuring distances

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

Apparatus for measuring the instantaneous distance between...

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

Apparatus for processing fish detection signals

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

Apparatus for ultrasonic scanning

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

Apparatus for ultrasound flow mapping

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

Application of sonic signals to detect buried, underground...

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

Arc scan ultrasonic transducer array

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

Arrangement for the determination of the direction and/or distan

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

Array shading for a broadband constant directivity transducer

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

Array system for supercavitating hydrofoils

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

Asymmetry detector for use in an optical recording and reproduci