Pattern voice coil loudspeaker with baffles touching diaphragm
US4156801A · kind A · utility
20Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1978 |
| Grant date | May 29, 1979 |
| Priority date | — |
| Expiry date | Feb 17, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electrodynamic loudspeaker has a diaphragm with a central driven area. Undriven areas of the diaphragm are baffled to minimize the effect of vibrations from the undriven areas which are out of phase with those in the central driven area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.