Semi-automatic rhythm accompaniment
United States Patent 3247309
US Patent References:
Electrical musical instrument
- - 2432152
Timing device
- - 2461266
Apparatus for producing complex waves at a desired frequency
- - 2697959
Music synthesizer
- - 2855816
Synchronous precision sequence timer
- - 2926246
Electrical musical instrument
- - 2432152
Timing device
- - 2461266
Apparatus for producing complex waves at a desired frequency
- - 2697959
Music synthesizer
- - 2855816
Synchronous precision sequence timer
- - 2926246
Inventors:
Campbell, Donald J.
Publication Date:
04/19/1966
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Assignee:
BALDWIN CO D H
Primary Class:
Other Classes:
327/406, 84/713, 984/352, 307/650
International Classes:
G10H1/42; G10H1/40
US Patent References: