DIRECTIONAL MICROPHONE ASSEMBLY

World Intellectual Property Organization Patent

APP PUB NO WO-2002030156-A1
SERIAL NO

PCTUS0131448

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Abstract

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A directional microphone assembly for a hearing aid is disclosed. The hearing aid has one or more microphone cartridges (103), and first (105) and second (107) sound passages. Inlets to the sound passages, or the sound passages themselves, are spaced apart such that the shortest distance between them is less than or approximately equal to the length of the microphone cartridges. A sound duct and at least one surface (117) of the microphone cartridge may form each sound passage, where the sound duct is mounted with the microphone cartridge. Alternatively, each sound duct may be formed as an integral part of the microphone cartridge.

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Patent Owner(s)

Patent OwnerAddress
ETYMOTIC RES INCUSILLINOIS AMERICA

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Inventor(s)

Inventor Name Address
KILLION MEAD C ELK GROVE VILLAGE IL 60007
DRAMBAREAN VIOREL LINCOLNWOOD IL
SCHULEIN ROBERT B SCHAUMBURG IL
MONROE TIMOTHY S SCHAUMBURG IL
FRENCH JOHN S ARLINGTON HEIGHTS IL 60004
HAAPAPURO ANDREW J ARLINGTON HEIGHTS IL

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