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

Communications – electrical: acoustic wave systems and devices – Transponders – Sonobuoys and sonobuoy systems

Radial damper disk

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

Radiation selective system for target range and imaging readout

Communications – electrical: acoustic wave systems and devices – Underwater system

Radio frequency phase sensitive wire detector

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

Radio frequency seismic gathering system employing an airborne b

Communications – electrical: acoustic wave systems and devices – Transponders – With plurality of transponders

Radio telemetry buoy for long-range communication

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type

Radon moveout

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Range and depth detection system

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

Range computations for correlation speed sensor

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

Range control system

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Range determining system

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

Range expander for sonar 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 – Distance or direction finding

Range finding device and method

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means

Range measuring system

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type

Rare earth flextensional transducer

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals

Raster based system and method for target tracking and...

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type

Ratchet operated kick-up bracket

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting

Rational motion compensated seabed seismic sensors and...

Communications – electrical: acoustic wave systems and devices – Signal transducers – Vibrator-type transmitter

Reaction mass acceleration feedback device