Ironless and leakage free coil transducer motor assembly
US8422726B2 · kind B2 · utility
1Cited by
6References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 29, 2009 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/041
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a coil transducer motor structure (20) including at least one coil (22), at least one magnetic element (23) arranged in use to provide a path for magnetic flux between the ends of said coil (22), wherein the magnetic element (23) has a structure providing a curvilinear path therethrough for said magnetic flux.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.