Music – Accessories
Patent
1996-11-27
1999-03-16
Shoop, Jr., William M.
Music
Accessories
84743, 84723, G10G 300
Patent
active
058833226
ABSTRACT:
A feedback eliminating device for acoustical instruments is designed to be used with in-hole amplification devices, without the need to modify either the instrument or the amplification device. The device is preferably in the form of a two-piece cover for the sound hole of an acoustical instrument. Used in conjunction with an in-hole amplification device, the device completely covers the sound hole of an acoustical instrument.
REFERENCES:
patent: 4024788 (1977-05-01), Dunlap
patent: 4394830 (1983-07-01), Damiano
patent: 4632003 (1986-12-01), Kopp
patent: 4649793 (1987-03-01), Blackshear et al.
patent: 4748886 (1988-06-01), De Byl
Lockett Kim
Oh Seong-Kun
Shoop Jr. William M.
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