Sound amplifier system
US5119430A · kind A · utility
8Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1990 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Jan 16, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An amplifier using vacuum tubes is mounted in a housing with a speaker in such a way as to minimize microphonics by having the speaker axis and all vacuum tube axes parallel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.