Tunable contact microphone

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11064285
SERIAL NO

16399131

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Abstract

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A tunable contact microphone is fabricated from nanometer size piezoelectric materials. The piezoelectric nanostructures are deposited on a flexible substrate or tunable resonant backplane. The backplane can be designed to vibrate at fundamental harmonic or sub-harmonic frequencies from 10 Hz to 20 KHz, corresponding to vibration frequencies of the human cranium. The backplane can be attached to a band or other material that will facilitate the attachment to the forehead, behind the ear or throat, with a preferred location being the forehead. When a person speaks, the backplane vibrates causing the nanostructures to generate electricity. The electrical signals are sent to an impedance matching preamplifier. The signal can then be sent to a communications system or fed into the microphone input of a communication system.

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Patent Owner(s)

Patent OwnerAddress
USA AS REPRESENTED BY THE SECRETARY OF THE NAVYONE LIBERTY CENTER 875 N RANDOLPH STREET CHIEF OF NAVAL RESEARCH OFFICE OF COUNSEL BDCC ARLINGTON VA 22203-1995

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Downs,, Jr Edward Lynn Haven, US 2 0

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