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

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 – Presence or movement only detection

Apparatus for detecting the discharge of a firearm and transmitt

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 – Speed determination

Apparatus for examining a moving object by means of ultrasound e

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 – Speed determination

Apparatus for measuring the velocity of a moving body

Communications – electrical: acoustic wave systems and devices – Echo systems

Apparatus for preventing a roundabout of supersonic wave in a su

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 – Side scanning or contour mapping sonar systems

Apparatus for transmitting and receiving ultrasonic 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 – Speed determination

Aquaculture feeding monitor

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

Arc scan ultrasonic transducer array