Feedback reducer for an acoustic electric guitar
US4394830A · kind A · utility
31Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 1981 |
| Grant date | Jul 26, 1983 |
| Priority date | — |
| Expiry date | May 26, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H3/18
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A feedback reducing device for an acoustic electric guitar is in the form of a plug adapted to be snugly received in the sound hole of a guitar. With the plug in place, the sound hole opening is completely covered and the amplified performance of the instrument is not significantly effected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.