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

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method and device for ultrasonic ranging

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

Method and means for increasing echo-ranging-search rate

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

Method and system for aperture adjustment in steered phased...

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

Method and system for detecting objects at or below the water's

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method and system for detecting water depth and piloting vessels

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

Method and system for determining underwater effective sound...

Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control

Method and system for distinguishing between displacing targets

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

Method and system for identifying moving objects using...

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

Method and system for in-air ultrasonic acoustical detection...

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

Method and system for interpolation-processing delay time data

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

Method and system for measuring sound velocity

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

Method and system for measuring the velocity of a vessel...

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

Method and system for real-time automated change detection...

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

Method and system for synthetic aperture sonar

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

Method and system for synthetic aperture sonar

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

Method and system for synthetic aperture sonar

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

Method for acoustic determination of the length of a fluid condu

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

Method for acoustically surveying the surface contours of the bo

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

Method for classification of sonar echoes