Loudspeaker
US5594805A · kind A · utility
29Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1995 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Aug 15, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker capable of improving the efficiency, providing a high performance, and reducing its weight. In a general loudspeaker or a loudspeaker having a repulsion magnetic field type magnetic circuit, the whole or part of the voice coil 1 uses a composite wire A formed by a conductive wire made of conductive material C and a magnetic material F provided at least partially on the surface of the conductive wire, or a composite wire A formed by a magnetic wire made of magnetic material F and a conductive material C provided at least partially on the surface of the magnetic wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.