Optical fiber sound pickup device and method for equipment for manufacturing the same
US10830961B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2018 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Jan 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R31/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, there is provided an optical fiber sound pickup device including: a housing having a substantially cylindrical structure; a vibration diaphragm mounted to an end face of a first side end of the housing; a ferrule including a main body of a substantially cylindrical shape, at least a part of the main body being mounted in the housing by cooperating with an inner wall of the housing, a head end of the main body that is close to the vibration diaphragm being separated from the vibration diaphragm by a distance; and an optical fiber fixedly extending through into the ferrule, a head face of the optical fiber being flush with an end face of the head end. A method and an equipment for manufacturing an optical fiber sound pickup device are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.