.~ Phase controlled switching using electronic tube or a three or more terminal semiconductive device {8}
241
.~.~ With digital control
DEFINITION
Classification: 323/241
With digital control:
(under subclass 237) Subject matter including a signal processing circuit between the means responsive to the output and the final control device, that signal processing circuit including logic elements which process signals having discrete states.
SEE OR SEARCH THIS CLASS, SUBCLASS:
211, and the subclasses noted in the definition thereof for digitally controlled systems.
