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

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

Floatation device for marine seismic energy sources

Communications – electrical: acoustic wave systems and devices – Beam stabilization or compensation

Floating sensor to detect very low frequency pressure signals

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

Floating shunt seismic amplifier

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

Flow noise reduction

Communications – electrical: acoustic wave systems and devices – Sonar counter-measures

Flow noise suppression system for a sonar dome

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

Fluctuations based digital signal processor including phase vari

Communications – electrical: acoustic wave systems and devices – Transmitter systems – With beam forming – shaping – steering – or scanning

Fluid drive method using ultrasonic waves

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

Fluid driven siren pressure pulse generator for MWD and flow mea

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

Fluid erosion protection washer for rotating shaft in MWD tool

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

Fluid means for data transmission

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

Fluid oscillator

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

Fluidborne sound projector

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

Fluidborne sound projector with sweep cleaning facilities

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

Fluidic mud pulser

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

Fluidic sonar sensor

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

Flying insects repelling system

Communications – electrical: acoustic wave systems and devices – Acoustic image conversion

Focused ultrasound imaging system and method

Communications – electrical: acoustic wave systems and devices – Acoustic image conversion

Focused ultrasound imaging system and method

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

Focusing circuit for ultrasound imaging system