Speaker device
US6801635B1 · kind B1 · utility
6Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2001 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Jul 5, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker device for supplying output from an amplifier to a plurality of loud speakers through a dividing network, wherein a network coil constituting the dividing network is wound in a groove in the outer circumferential surface of a cover of a driving part of the loudspeaker. Thereby, the network coil need not be mounted on a terminal plate or the like of a speaker box as a separate part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.