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Inventor: Richard G. Plourde


Address: Ashland, MA
No. of patents: 2
Last patent issue date: 12/25/1984

NumberTitleIssue Date
4490843Dynamic equalizing
An automatic dynamic equalization circuit has a potentiometer having a tap shunted by an active resonator circuit including a capacitor shunted by an active circuit presenting a high Q inductive reactance that is resonant at substantially 50 Hz and provid...
12/25/1984
4214645Method of and means for loudspeaker sound wave distribution
A loudspeaker having a totally integrated acoustic system which reduces unwanted cabinet diffraction of the sound waves to minimum; resulting in maximum sound wave dispersion with directional accuracy....
07/29/1980
 
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