Method and apparatus for dynamic braking of a barrier operator

Method and apparatus for electrical dynamic braking

Method and apparatus for electrically braking a motor

Method and apparatus for electromagnetically braking a motor

Method and apparatus for electronic braking of an electric motor

Method and apparatus for eliminating ripple component from motor

Method and apparatus for facsimile scanning

Method and apparatus for handling brake failure in variable freq

Method and apparatus for improved electronic braking of a DC mot

Method and apparatus for maximizing utilization of an electric m

Method and apparatus for operating DC motors at high efficiency

Method and apparatus for plug sensing

Method and apparatus for power regeneration in an electric vehic

Method and apparatus for preventing motoring while braking

Method and apparatus for providing a stable, high gain servo sys

Method and apparatus for slowing back spin of a rod string of a

Method and apparatus for stopping DC motor by brake power corres

Method and apparatus for varying the speed of DC motors

Method and apparatus therefor in motor speed control

Method and circuit arrangement for operating an...