Telephone mouthpiece for preventing wind noises and for reducing wind noises input thereto

摘要

The telephone mouthpiece includes a microphone unit 3, a unit housing section 1 and an acoustic duct section 2 tightly fitted to the unit housing section 1. The unit housing section 1 has a flat plate 11 and a cylindrical housing 12 housing the microphone unit 3 provided on the flat plate 11. The acoustic duct section 2 has an acoustic duct box 21 in the form of a box in close contact with the corresponding flat plate 11, a cylindrical box 22 in close contact with the cylindrical box 12 at an end of the acoustic duct box 21, partitions 23 and 24 for partitioning the inside of the acoustic duct box 21 into a plurality of air chambers, and slots or slits 29 and 30 in the partitions 23 and 24. IMAGE