.~ With power supply and voltage or current regulation or current control means {4}
488
.~.~ With voltage limitation, conversion, or adapting means
DEFINITION
Classification: 219/488
(under subclass 482) Subject matter including means whereby a supply voltage of a first value may be maintained within given limits, may be converted to a second different value or means whereby a heating device adapted to operate on an alternating voltage may be adapted to operate on a D.C. voltage or vice versa.
SEE OR SEARCH THIS CLASS, SUBCLASS:
490+, for automatic voltage or current regulating means for electric heaters in general.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for current or voltage limiters.
363, Electric Power Conversion Systems, appropriate subclass for electric power, voltage, phase or frequency conversion systems.