Crossing guard maintenance system and associated method
Current limiting device for an a.c. motor
Current regulator
Current sensing circuit for use with a current controlling devic
Current sensing circuit for use with a current controlling devic
Current servo amplification/control apparatus and method for rev
Current switching device for motor
D-C commutator motor with means for interference suppression
D-C motor control circuit
D.C. Motor directional control
D.C. Motor driving circuit
DC convertor
DC motor controller with high reliability
DC motor drive circuit
DC Motor driving apparatus
DC motor driving apparatus
DC motor rotation information detecting device
DC-motor bridge driver with end-of-braking detector
Device for automatically closing a power roof of a vehicle
Device for automatically controlling the closure of a sliding do