Electroacoustic transducer with wireless charging coil
US8855354B2 · kind B2 · utility
7Cited by
0References
3Claims
0Family size
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Key dates
| Filing date | Aug 26, 2013 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Aug 26, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electro-acoustic transducer includes a frame; a cover covering the frame, a magnetic system assembled with the frame, a vibration system having a diaphragm and a driving coil assembled with the frame, conductive terminals assembled with the frame, and an wireless charging coil supported by the frame. The conductive terminals include a pair of first terminals connecting to the driving coil and a pair of second terminals connecting to the wireless charging coil. The present electro-acoustic can provide wireless charging function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.