Bar type vibration motor
US6930419B1 · kind B1 · utility
2Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2004 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | Aug 31, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K23/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A bar type vibration motor includes a stator unit including a body having a bearing insert groove formed at one end thereof and exposed to the outside, and a magnet attached to the body; a rotor unit including a rotary shaft having one end fixed to an eccentric weight, both ends of the rotary shaft being rotatably supported in the body, and an armature fixed to the rotary shaft at a space from the magnet; and a power supply unit including a fixing cap fixed to the body and brushes mounted on the fixing cap to supply voltage to the armature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.