Horn loudspeaker with convex diaphragm
US4525604A · kind A · utility
15Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Jun 7, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A horn loudspeaker with a convex diaphragm in which the throat of the horn is formed by an assembly including the diaphragm, a cover plate for the diaphragm, a tapered plug, and a base, the plug and cover forming linear channels of equal length confronting different portions of the convex dome of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.