Patent ID: 7627132
Filing Date: 2009-12-01
Classification: H04R

Abstract:
1. A microphone for a mobile electronic device, the microphone comprising: a microphone pick up housing having a cylindrical shielding surface defining a cylindrical chamber therein wherein the cylindrical shielding surface has at least three elongated holes therethrough, wherein a length of each of the elongated holes in a longitudinal direction of the cylindrical chamber is greater than a width thereof in a direction orthogonal with respect to the longitudinal direction wherein the at least three elongated holes are aligned in the longitudinal direction; a microphone pick up located in the cylindrical chamber defined by the microphone pick up housing wherein the microphone pick up is surrounded by the at least three elongated holes; and a noise reduction element covering the elongated holes, wherein the microphone pick up comprises a directional condenser type microphone pick up that is surrounded by the at least three elongated holes, and wherein the directional condenser type microphone pick up is canted at an angle relative to the longitudinal direction of the cylindrical chamber.