218270 ⎘
Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature and field supply whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Command generation device and command generation method
#2Motor control device with built-in current sensing resistor and power transistor
#3Method and system for feedback-controlling
#4DC motor control device and game machine
#5Container with power assist wheels
#6Electric drive