MOBILE COMMUNICATION DEVICE AND MICROPHONE FOR THE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a mobile communication device such as a mobile phone that can obtain excellent speech quality with very high S/N regard less of the opening and closing of an opening/closing body. SOLUTION: The opening/closing body 2 is fitted to a mobile device body 1 in an opening/closing available way. A bidirectional close-talking microphone 5 is built in the opening/closing body 2. AN inner sound hole 26 and an outer sound hole 27 are separately opened to an inner wall 22 and an outer wall 24 of the opening/closing body 2. The inner sound hole 22 faces a surface of a diaphragm of the close-talking microphone 5 via a sound path 64 and the outer sound hole 27 faces a rear side of the diaphragm of the close-talking microphone 5 via a sound path 65. The inner sound hole 26 is located biased to a position close to a free end of the opening/closing body 2 and the outer sound hole 27 is located biased at a position closet to an opening/closing moving center position of the opening/closing body 2.