Case for microphone device
US10951969B2 · kind B2 · utility
1Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 2019 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Dec 9, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A case for a microphone device includes; a housing part that has a circuit board therein; and a protrusion part that protrudes from a first end face of the housing part in a longitudinal direction so as to expose to the outside, the protrusion part being formed such that a diameter of the protrusion part becomes smaller from a root coupled to the first end face toward a tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.