218260 ⎘
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 the DC motor being operated in four quadrants
Sub-classes:AUTOMATIC MOTION DAMPING OF TELEOPERATED SURGICAL SYSTEM MANIPULATORS
#2Operation device
#3Motor control device and electric power steering apparatus
#4Motor driving apparatus
#5Electric motor, and device for generating a signal for controlling the same
#6PM brushless motor drive circuit topology and control
#7High density windings for a concentric wound electrical machine stator
#8Supply architecture for inductive loads
#9Power supply control device for controlling power supply connected to motor
#10Supply architecture for inductive loads
#11Brushed motor control with voltage boost for reverse and braking
#12Method for operating a delta wound three-phase permanent magnet brushless motor
#13General purpose 100% solid state drive for direct current rotary machines
#14Quenching device for a converter bridge with line regeneration
#15Quenching device for a converter bridge with line regeneration
#16Generation and use of system level defect tables for main memory
#17Supply architecture for inductive loads
#18General purpose 100% solid state drive for direct current rotary machines