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

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

Towed acoustic transmitter

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

Towed array strain-sensing noise canceller

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

Towed low-frequency underwater detection system

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

Transducer array arrangement and operation for sodar...

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

Transducer device for acoustic log

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

Transmit-receive switching unit

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

Transmit/receive solid state switching system

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

Trolling depth controller

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

Tubular measuring device

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

Turbulence velocimetry technique

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

Turbulence-resolving coherent acoustic sediment flux probe...

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

Two-dimensional array transducer and beamformer

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

Two-stage detection and discrimination system for side scan sona

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

Ultra-sonic distance measuring apparatus and method

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

Ultra-sound detector

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

Ultrasonic alarm device

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

Ultrasonic array

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

Ultrasonic audience measurement system and method

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

Ultrasonic beam former