Flat linear vibration motor with two vibrators and two resonant frequencies
US9966827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2016 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Sep 24, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vibration motor includes a housing; a vibration unit accommodated and suspended in the housing, the vibration unit including a first vibrator having a first resonant frequency, and a second vibrator having a second resonant frequency; a first elastic member having one end fixed to the first vibrator and another end fixed to the housing for suspending the first vibrator in the housing; and a second elastic member having one end fixed to the second vibrator and another end fixed to the housing for suspending the second vibrator in the housing. By virtue of the configuration, the vibration motor is capable of working at two different resonant frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.