Title:
Tone frequency control system for electronic musical instruments
United States Patent 3288904
Inventors:
George, Thomas J.
Publication Date:
11/29/1966
Export Citation:
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Assignee:
HAMMOND ORGAN COMPANY
Primary Class:
84/674
Other Classes:
84/684, 84/692, 84/704, 84/DIG.2, 331/177R, 331/179, 984/309
International Classes:
G10H1/02; G10H1/02
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US Patent References:
3049959Obtaining ensemble and celeste effects in electrical musical instruments
3048719Electrical duty cycle control
2918576Percussive circuit and assembly
2720133Apparatus for controlling frequency change
2563477N/A
2544017Oscillator circuit arrangement
2540478Multivibrator
2499576Ultra high frequency frequency-control arrangement
2274199Electrical musical instrument
2255287Double vane impeller