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

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing

Electromechanical transducer for acoustic telemetry system

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing

Electromechanical transducer for acoustic telemetry system

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

Electronic acoustic signal emitter

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

Electronic distance measuring apparatus

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

Electronic distance measuring apparatus

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

Electronic diving apparatus

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

Electronic earth seismic noise measuring method

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

Electronic filter

Communications – electrical: acoustic wave systems and devices – Transmitter systems – Animal control

Electronic game call

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

Electronic homing system

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

Electronic intruder detection system

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

Electronic noise filtering system

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

Electronic roll-a-long switch

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

Electronic stabilization for displaced phase center systems

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

Electronic system for release of on-bottom seismometer unit

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

Electronic trip device with short delay function

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

Electronics-carrying module

Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers

Electrostatic membranes for sensors, ultrasonic transducers...

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

Electrostatic shield for electromagnetic acoustic transducer noi