218252 ⎘
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 multi-position switch, e.g. drum, controlling motor circuit by means of relays
Dual-voltage door operator control system
#2Portable surface finishing device based on coherent light source
#3Single-button control method of an induction actuated container
#4Circuit and method for controlling electric power delivered to an electric motor
#5CONTROL SYSTEM
#6Method for regulating a speed of an electric motor of a power tool
#7Method for determining the angular position of the rotor of a mechanically commutated d.c. servo motor
#8Series resistor assembly for an electric motor, circuit arrangement comprising a series resistor assembly for operating an electric motor and use of said assembly
#9Powered hand held devices