D-C commutator motor with means for interference suppression
D-C commutator-type dynamo electric machine with electronic cont
D-C motor control circuit
D-C motor drive system with field current flow reversal upon tra
D-C Relay relief control for A-C electric motor
D-C voltage control
D-C. electric torquing system
D. C. motor control system
D. C. Motor control system effecting changes in the connections
D.C. brushless motor having wider and narrower pole parts
D.C. chopper control device for electric motors
D.C. commutatorless electric motor
D.C. control circuits
D.C. controller for battery powered electric motor
D.C. fan control circuit device for linearly variable cooling
D.C. motor bridge coil driver
D.C. motor control
D.C. motor control circuit for radio controlled toy
D.C. Motor control for an electrically powered vehicle
D.C. Motor directional control