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

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

Hydrophone array with individually switchable hydrophone...

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

Hydrophone assembly with vibrations isolated transducer elements

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

Hydrophone cable

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

Hydrophone cable construction

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

Hydrophone cable decoupler

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

Hydrophone carrier

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

Hydrophone carrier

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating

Hydrophone checker

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating

Hydrophone circuit with electrical characteristics of a geophone

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

Hydrophone deployment system for a sonobuoy

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

Hydrophone design to overcome reduction in leakage resistance be

Communications – electrical: acoustic wave systems and devices – Receiver circuitry

Hydrophone element with filter circuit

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

Hydrophone for acoustic or seismic wave reception

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

Hydrophone for determining direction of underwater sound

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through well fluids

Hydrophone for use in a downhole tool

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through well fluids

Hydrophone for use in a downhole tool

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

Hydrophone group design for shallow towed applications

Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating

Hydrophone group sensitivity tester

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

Hydrophone having a plurality of directional outputs