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

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

Narrow band disturbing wave detecting device

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

Narrow band magnetostrictive acoustic source

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Narrowband beamformer using nonlinear oscillators

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

Narrowband phase difference measurement technique for sonar...

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

Narrowband signal revealer

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

Natator in water tank, controlling apparatus and position...

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

Nautical apparatus to conduct reconnaissance missions of a site,

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

Naval-hull mounted sonar for naval ship

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination

Navigation aid

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

Navigation processor, a system comprising such a navigation...

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

Navigation sonar system dockside simulator

Communications – electrical: acoustic wave systems and devices – Transponders – With plurality of transponders

Navigation system and method for determining the position of a r

Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing

Navigation system and method using directional sensor

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

Navigation system for an underwater vehicle

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

Navigation system for maneuvering a structure about a submerged

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

Navigational device for a scuba diver

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

Navigational device for an underwater diver

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

Near field scanning acoustic microscope and method

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

Near ultrasonic pattern comparison intrusion detector