| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmitter/receiver device, enabling arrangement of contact microphones disposed close to receiver means such as headphones and a mobile radio apparatus.SOLUTION: Headphones 100 include contact microphones 1a-1h, 1j-1m disposed close to speaker units. More specifically, the contact microphones 1a-1h, 1j-1m are divided into four by a first reference axis in the longitudinal direction of a head band 130 and a second reference axis orthogonal to the first reference axis. Among the portions divided into four, the contact microphones 1a-1h, 1j-1m are disposed at a portion on the remote side from the head band 130 and contacting to the forehead side of a user nearer than the receiver means. |
