In-vehicle microphone apparatus

摘要

An in-vehicle microphone apparatus includes one or more microphone elements having a diaphragm and converting a vibration received by the diaphragm into an electric signal, an acoustic retainer retaining the one or more microphone elements and having an end surface provided with a plurality of sound collection ports, a bezel attached to the end surface of the acoustic retainer and having a plurality of through-holes formed at positions directly facing the plurality of the sound collection portion, and lips disposed on one of the bezel and the acoustic retainer and coming into close contact with the other at a position surrounding each of the plurality of the sound collection ports so as to fill the gap between the bezel and the acoustic retainer.

主权项

1. An in-vehicle microphone apparatus assembled in a vehicle interior comprising:
one or more microphone elements having a diaphragm and converting a vibration received by the diaphragm into an electric signal; an acoustic retainer retaining the one or more microphone elements and having an end surface provided with a plurality of sound collection ports acting as inlet ports for sound going to the diaphragm; a bezel attached to the end surface of the acoustic retainer and having a plurality of through-holes formed at positions directly facing the plurality of the sound collection ports; and a close-contact member disposed on one of the bezel and the acoustic retainer and abutting on and elastically deforming to be in close contact with the other of the bezel and the acoustic retainer at a position surrounding each of the plurality of the sound collection ports so as to fill the gap between the bezel and the acoustic retainer.