Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1981-06-08
1983-04-12
Miller, C. D.
Communications: electrical
Audible indication
Percussion-type sound producer
364571, 364582, H03K 1302
Patent
active
043800068
ABSTRACT:
A linear interpolator comprising a code digital normalization unit, connected via digital-to-analog converters to comparators which couple an adjustable reference voltage source, and also connected via an OR gate to an integrator that connects said digital-to-analog converters having their outputs coupled respectively to X- and Y-axis voltage-to-frequency converters, the latter being connected to control circuits of actuation means.
REFERENCES:
patent: 4125896 (1978-11-01), Metcalf
patent: 4296407 (1981-10-01), Minakuchi
Borisov Vladimir S.
Korovin Vyacheslav V.
Miller C. D.
Schaffer Murray
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