Loudspeaker moment and torque balancing
US8295537B2 · kind B2 · utility
14Cited by
50References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2010 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Dec 8, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R11/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker including a moving magnet motor. The moving magnet motor includes an armature comprising a magnet carrier, and a lever arm, coupling the armature and a pivot. The lever arm further couples the armature and an acoustic diaphragm to transmit motion of the armature to the acoustic diaphragm to cause the acoustic diaphragm to move. The loudspeaker described may be torque balance and moment balanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.