Micro vibration motor
US9871432B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2016 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Oct 1, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A micro vibration motor, includes: a housing having an accumulating space, an elastic support, a vibrator suspended in the accommodation space by the elastic support, and including an upper vibrator in which a magnet is accommodated and a lower vibrator which is parallel to the upper vibrator, the lower vibrator being provided with coils for driving the magnet to vibrate; and a FPC for providing electric signals. The upper vibrator and the lower vibrator are supported by the elastic support including a fixation part connecting with the housing and an annular elastic arm extending from two ends of the fixation part; and the vibrator is surrounded by at least one part of the annular elastic arm and one end of the annular elastic arm is connected to the vibrator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.