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

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

Moving vehicle seismic target detector

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

Multi-dimensional data processing and display

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

Narrow band disturbing wave detecting device

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

Narrowband signal revealer

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

Noise cancellation using tracking filter

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

Noise signal processor

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

Non-integer sample delay active noise canceller

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

Null steering device

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

Optimum flow noise cancelling hydrophone module

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

Parametric clutter elimination

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

Phase fluctuation based signal processor

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

Phase fluctuation enhanced adaptive processor

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

Process and device for passive detection of aircraft, namely hel

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

Production of directionally limited acoustic power spectra

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

Remote detection system

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

Scale adaptive filtering

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

Security system signal processor

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

Seismic defense system

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

Seismic event classification system