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

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

Hand-held acoustic camera

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

Hand-held LCD fish finder

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

Hand-held underwater distance measurement device

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

Handclap activated cat repelling device

Communications – electrical: acoustic wave systems and devices – Receiver circuitry – Responsive to intruder energy

Harbor approach-defense embedded system

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

Harbor fence

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

Harbor fence

Communications – electrical: acoustic wave systems and devices – Receiver circuitry – Responsive to intruder energy

Harbor fence

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

Hard real-time adaptive waveform synthesis and evolution

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

Harmonic ambiguity resolver and inter array harmonic tracker

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

Headtracking system

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

Heave compensation system

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

Height measurement method and apparatus

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

Helical magnetostrictive core line hydrophone

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

Helium-speech communication

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

Hermetically sealed ultrasonic transducer system

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

Hierarchical telemetry system for seismic acquisition

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

High ambient liquid pressure-resistant electrical connector

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

High count seismic data collection and transmission through anal