Title: Electrical musical instrument with automatic sequential tone generation

Abstract: An electronic organ includes digital circuitry for automatically enabling in a sequential manner a plurality of gates to pass tone control signals to keyers which generate corresponding tone output signals. The digital circuitry includes a tone counter which sequentially enables a plurality of tone gates, and an octave counter which sequentially enables output gates having inputs from the tone gates. A clock generates clock pulses which are rapidly counted by the note counter to sequentially scan the note gates. When a tone control signal is passed, the output of a note detector causes a divider to be inserted between the clock and the note counter to maintain enabling of the note counter.

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Inventors: Brand, John R. (Mt. Prospect, IL, US)
Mate, David J. (San Diego, CA, US)

Application Number: 525465
Filing Date: 1974-11-20
Publication_date: 1976-03-02
Assignee: Warwick Electronics, Inc. (Chicago, IL)
Primary Class(es): 84/648 84/649, 84/671, 84/DIG22, 984/341, 984/DIG1
Other Classes:
US Patent Ref:

3617602	Nov, 1971	Kniepkamp	84/1.
3651729	Mar, 1972	Adachi	84/1.
3718748	Feb, 1973	Bunger	84/1.
3725562	Apr, 1973	Munc, Jr. et al.	84/1.
3842184	Oct, 1974	Kniepkamp et al.	84/1.
3854366	Dec, 1974	Deutsch	84/1.

Other Refs:
Primary Examiner: Hix, L. T.
Assistant Examiner: Witkowski, Stanley J.
Attorney: Wegner, Stellman, McCord, Wiles & Wood