Honeywell International Inc.

Honeywell G.m.b.h.

Ralph J Franke

Mitchell S Fletcher

Mark Alan Villela

Paul T Marshall

Walter K White

A motor controller circuit including an energy storage device, a bus protection circuit, an input signal selector, a combiner, a compensator, a modulator, a motor driver circuit, a commutator, a feedback circuitry and a plurality of filters, resistors, inductances, capacitances and optical isolators all contained on a single circuit board for use in controlling a motor with a minimum of cost and space requirements.

Low cost high performance single board motor controller

A current sensing circuit is described in which a pair of bipolar transistors are arranged with a pair of field effect transistors such that the field effect transistors absorb most of the supply voltage associated with a load.

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Glendale, AZ, United States of America

Ralph J Franke