Patent ID: 11877107
Assignee: YAMAHA CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G  B | IPC B  G  H

Claim 0:
1. A microphone device comprising:
a substrate;
a plurality of microphones arranged on the substrate;
a front panel configured to cover the substrate on which the plurality of microphones are arranged and arranged so as to overlap the substrate, and formed with a mesh structure or a film having a sound permeability;
a plurality of sound insulation walls arranged between the plurality of microphones and the front panel so as to not overlap the plurality of microphones in the plan view;
a plate-shaped protection member arranged between the front panel and the substrate, and having a plurality of holes located at a central opening of each of the plurality of sound insulation walls; and
a dustproof member arranged so as to overlap the plurality of microphones in a plan view from a front panel side, and provided on a member different from the front panel, wherein
one end surface of each of the plurality of sound insulation walls which is arranged for each of the plurality of microphones is in contact with the substrate, and another end surface thereof abuts the protection member via each of the plurality of dustproof members, and thereby a space is formed with the protection member and the plurality of sound insulation walls and the substrate.