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

Communications – electrical: acoustic wave systems and devices – Echo systems – Presence or movement only detection

Method and apparatus for plural document detection

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

Method and apparatus for simulating phase coherent signal reflec

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

Method and apparatus for surveying positions of mooring lines

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

Method and apparatus for target imaging with sidelooking sonar

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

Method and apparatus for ultrasonic sensing

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems

Method and apparatus for underwater sonar scanning

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

Method and apparatus of classifying marine sediment

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

Method and apparatus of surveying nodular targets on the sea flo

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

Method and device for detecting objects dispersed in an area of

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

Method and device for detecting objects, especially used as...

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

Method and device for detecting objects, especially used as...

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

Method and device for determining target speed and distance with

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

Method and device for determining variations in the position of

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

Method and device for distance measurement

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

Method and device for helicopter-borne mine countermeasures

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

Method and device for matching the reflector of an acoustic echo

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

Method and device for measuring the distance of an object from a

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

Method and device for positioning an element using ultrasonic se

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

Method and device for range measurement