H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01) H04R 1/38 (2006.01)
Patent
CA 2424828
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.
L'invention concerne un ensemble microphone directionnel destiné à un appareil de correction auditive. Cet appareil de correction auditive comprend une ou plusieurs cartouches de microphone (103) ainsi qu'un premier (105) et un second (107) passage acoustique. Des entrées vers ces passages acoustiques, voire les passages acoustiques eux-mêmes, sont espacées de façon que la distance la plus courte les séparant soit inférieure ou approximativement égale à la longueur des cartouches de microphone. Un canal acoustique et au moins une surface (117) de la cartouche de microphone peuvent former chaque passage acoustique, le canal acoustique étant monté avec la cartouche de microphone. Dans un autre mode de réalisation, chaque canal acoustique peut faire partie intégrante de la cartouche de microphone.
Drambarean Viorel
French John S.
Haapapuro Andrew J.
Killion Mead C.
Monroe Timothy S.
Borden Ladner Gervais Llp
Etymotic Research Inc.
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