Hearing assist device using magnetostrictive materials

Hearing assist device using magnetostrictive materials

The hearing device uses magnetostrictive materials to assist a user in hearing and comprehending sounds. Printed circuit board traces 402 that form a coil are used to generate a magnetic field that activates a magnetostrictive film or diaphragm 408 disposed over the coil traces on the printed circui...

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Hauptverfasser: JOAN BILLGER BURLEIGH, JOAN PHILLIPS WALDRON
Format: Patent
Sprache:eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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creator JOAN BILLGER BURLEIGH
JOAN PHILLIPS WALDRON
description The hearing device uses magnetostrictive materials to assist a user in hearing and comprehending sounds. Printed circuit board traces 402 that form a coil are used to generate a magnetic field that activates a magnetostrictive film or diaphragm 408 disposed over the coil traces on the printed circuit board 400. In an alternative embodiment conductive coils are made with a magnetostrictive covering that can comprise a film or other coating. In addition enhanced effects are achieved using these systems; for example delays in the signal processing can also be introduced by varying the thickness of the magnetostrictive coverings (figs 5 & 6).
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title Hearing assist device using magnetostrictive materials
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