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

High resolution acoustic pulse-echo ranging system

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

High resolution beam former apparatus

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

High resolution obstacle avoidance and bottom mapping array...

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

High resolution phase shifter beamformer for a cylindrical array

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

Holder for rotatable sensor array

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

Human echolocation system

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

Imaging sonar system and method

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

Imaging system for detecting underground objects and associated

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

Integrated passive acoustic and active ultrasonic marine aquatic

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

Interferometer with a single projector array and a single...

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

Landing aid for aircraft

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

Lateral direction detection sonar

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

Least mean square (LMS) normalizer for active sonar

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

Light pipe display for sonar

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

Linear frequency modulation apparatus and technique

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

Liquid level sensor

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

Liquid presence detector having a composite waveguide for acoust

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

Load detecting system for automatic storage apparatus

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

Loading dock range finding system