NECKBAND-TYPE NAM MICROPHONE DEVICE

摘要

PROBLEM TO BE SOLVED: To enable to pick non-audible murmurs stably for a long time with a simple wearing device. SOLUTION: A neckband-type NAM microphone 100 comprises an arm part 102 which can be worn along the back of the head and an NAM microphone 101. The NAM microphone is attached to at least one of the both ends of the arm part 102 and contacts the skin surface directly under the mastoid when the arm part 102 is worn. A vibrating sound such as a Non-Audible Murmur or ordinary voice which is conducted through soft tissue is picked from the skin surface directly under the mastoid and input as voice. COPYRIGHT: (C)2006,JPO&NCIPI