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

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

Object detecting apparatus, opening and closing control...

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

Obstacle detecting system for vehicle

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

Obstacle-detection system

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

Optical axis adjusting device for vehicle headlamp

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

Oscillator proximity switch

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

Patch test for 3D sonar data

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

Pool monitor

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

Pulse-echo ranging system

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

Pulse-echo ranging system

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

Range control system

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

Range finding audio system

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

Receiver circuit for an echo-sounding system

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

Resampling sonar echo time series primarily for seabed...

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

Selection control and indication means

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

Self-calibrating ultrasonic range finder

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

Self-propelled vehicle for destroying ground mines

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

Signal processor for narrow band sonar signals

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

Sonar apparatus having improved gain control

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

Sonar depth sounder apparatus