Linear vibration motor
US10873250B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K35/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a linear vibration motor, including a base having a receiving space, a vibration unit located in the receiving space, an elastic member fixed to the base and suspending the vibration unit in the receiving space, and a coil fixed to the base and opposite to and spaced away from the vibration unit. The vibration unit includes a magnet, the magnet is opposite to and spaced away from the coil, the coil includes a first coil for connecting an electric signal and a second coil insulated from the first coil, and both ends of the second coil are connected to each other to form a closed loop. Compared with the related art, the linear vibration motor in the present disclosure has high reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.