| http://www.w3.org/ns/prov#value | - In a commutatorless d-c motor including a rotor, a stator with 4n stator windings, where n is an integer greater than 1, a commutating device including 4n switching transistors for driving said 4n stator windings and a control signal transmitter for providing switching signals to said commutating device, an improved control signal transmitter for developing 4n switching signals with only n rotor p
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