Speaker driver
US7039213B2 · kind B2 · utility
8Cited by
22References
11Claims
0Family size
Inventors
Key dates
| Filing date | Jan 16, 2002 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Jun 26, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electro-mechanical transducer, including a magnetic assembly producing a magnetic field having two or more displaced regions of greater intensity, having magnetic flux in substantially similar directions, separated by and surrounded by regions of lower intensity magnetic field, and an electrically conductive and mobile member disposed in and capable of moving through a magnetic field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.