ACOUSTIC TRANSMISSION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an acoustic transmission device of soft bone conduction type, capable of being used for a long time.SOLUTION: The acoustic transmission device 1 includes: an enclosure 3 structured to be engaged with the ear pinna of a human body and having an electric circuit 2; a transmission section 5 having an electric acoustic conversion element 4 that extends from the enclosure 3, comes into contact with the vicinity of the tragus A and generates acoustic vibration according to an electric signal from the electric circuit 2; and a fixing member 6 that is mounted on the transmission section 5 and fixes the transmission section 5 on the tragus A.