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

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

Determination of time difference of arrival in distributed...

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With plurality of transducers

Determination of time difference of arrival in distributed...

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

Determining a position of a survey receiver in a body of water

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

Determining angles of arrival using multipaths

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

Determining contact levels of fluids in an oil reservoir using a

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

Determining directional propagation attributes of a seismic...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Determining impedance of material behind a casing in a borehole

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

Determining orientation of vertical fractures with well logging

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

Determining seawater conductivity for the compensation of...

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

Determining the inline relationship of network nodes in a...

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

Determining the orientation of a seismic receiver, a seismic...

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

Device and method for adaptive ultrasound sensing

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

Device and method for detecting position of movable body by...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Device and method for generating a beam of acoustic energy...

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

Device and method for positioning of towing systems for use in m

Communications – electrical: acoustic wave systems and devices – Borehole testing

Device and method for seismic drill hole measuring

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

Device and method for sonar measurement of a swimming pool

Communications – electrical: acoustic wave systems and devices – Plural transmitters to receiver or transmitter to plural...

Device and process for detecting the presence of a vehicle by me

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

Device for acoustic rodent control