Patent ID: 6075869
Filing Date: 2000-06-13
Classification: H04R

Abstract:
A microphone capsule for an in-the-ear hearing aid, comprising:A. a top surface defining an exterior portion of said capsule, said top surface having first and second spaced openings defining front and rear sound inlets, said top surface having a longest dimension of approximately 0.25 inches or less;B. a directional microphone cartridge comprising a directional microphone cartridge housing and a diaphragm mounted within said directional microphone cartridge housing, said diaphragm being oriented generally perpendicular to said top surface and dividing said directional microphone cartridge housing into a front chamber and a rear chamber;C. a front sound passage communicating between said front sound inlet and said front chamber; andD. a rear sound passage communicating between said rear sound inlet and said rear chamber.