VIBRATION PICKUP TYPE EAR MICROPHONE FOR SINGLE-EAR HANDSET

摘要

PURPOSE:To prevent the fluctuation of performance and to increase the impact resistance for the titled microphone, by setting an adaptor which has a sound discharge hole at its tip and is loaded to the external auditory miatus at the external circumference surface of a projected part incorporating a vibrating pickup element while forming a space. CONSTITUTION:A vibration pickup element 1 which picks up the bone transmitting audio signal of the wearer of an ear microphone transmitting the external auditory miatus is fixed into a projected part 3 of a main body 2 by fixing element 4 via a space g1. An adaptor 8 forms a space g2 at the outer circumference surface of the part 3 and is attached detachably to the main body 2. A sound discharge hole 9 is provided at the tip of the adaptor 8. An end of a flexible sound guide tube 10 is connected to an external loudspeaker, and the other end 11 is attached at the lower part of the main body 2. The tube 10 is stuck at the front part of the main body 2 through its audio outlet 12 and through an external space of the main body 2 and links directly the space g2.