Seco Industries, Inc.

Byron Jones

A voltage regulator powered by an electrical power source having a discharging voltage characteristic and regulating the voltage applied to an electrical load from the power source includes a stable reference voltage source, a sensor for sensing the voltage applied to the load, an error signal generator for generating an error signal related to the difference between the sensed and reference voltages, and a voltage control connected in series with the electrical load and responding to the error signal to control the voltage applied to the load as the power source discharges. The invention is particularly useful when the power source is a single cell battery and the load is a direct current motor. Embodiments of the invention may apply a substantially constant or an increasing voltage to a load as the source voltage declines according to its discharge characteristic. Embodiments of apparatus according to the invention may be conveniently and economically built using commercially available integrated circuits and transistors.

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Chattanooga, TN, United States of America

Byron Jones