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

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

Device for use in borehole-seismic measurements at sea

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

Device for water inflow detection inside a seismic streamer

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

Device for weighting of streamer cables

Communications – electrical: acoustic wave systems and devices – Underwater system – Analog speech communication

Device forming a snorkel mouthpiece or diving regulator

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

Device including battery-activated oscillator

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

Device usable for offshore seismic prospection for receiving sei

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

Devices for controlling the position of an underwater cable

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

Diagnostic system and method for transducers

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

Diagonal gather trace interpolation

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

Diamagnetic current response transducer for sensing pressure...

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

Diaphragm cup for an ultrasonic transducer

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

Diaphragm design for a bender type acoustic sensor

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

Diaphragm for use with an electro-acoustic transducer and method

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

Difar demultiplexer circuit

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

Difar demultiplexer test circuit

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

DIFAR sensor

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

Differential energy acoustic measurements of formation character

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

Differential noise logging method and apparatus

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

Differential pressure fluid density instrument