Rotatable acoustical apparatus
United States Patent 3057430
US Patent References:
Sound reproducing system
- - 2441425
Rotatable tremulant sound producer
- - 2618352
Apparatus for imposing vibrato on sound
- - 2622692
Acoustic apparatus
- - 2727583
Rotatable tremulant sound producer
- - 2869667
Sound reproducing system
- - 2441425
Rotatable tremulant sound producer
- - 2618352
Apparatus for imposing vibrato on sound
- - 2622692
Acoustic apparatus
- - 2727583
Rotatable tremulant sound producer
- - 2869667
Inventors:
Herman, Santi Harris
Publication Date:
10/09/1962
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Export Citation:
Assignee:
ROTOTONE INC
Primary Class:
Other Classes:
84/739, 984/313, 84/740
International Classes:
G10H1/047; G10H1/04