Vibration device
US10483451B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2017 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Apr 25, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vibration device, including a housing having accommodating space, a vibrator, a stator and an elastic member for making the vibrator suspended in the accommodating space, the vibrator, the stator and the elastic member are accommodated in the housing, one of the vibrator and the stator includes a magnetic circuit unit while the other one includes a coil, the housing includes a pair of first side walls symmetrically arranged in a long axis direction of the housing and a pair of second side walls symmetrically arranged in a short axis direction, the elastic member includes a sheet-like spring perpendicular to vibrating direction of the vibrator, the spring includes a first fixing portion fixedly connected with the housing, a second fixing portion fixedly connected with the vibrator, and an N-shaped connecting portion connects the first fixing portion with the second fixing portion and extends along the short axis direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.