(under subclass 291) Systems wherein regulation is secured by varying some characteristic of the current or voltage generator, or by varying the number of generators used to supply the current or voltage, so as to vary the current or voltage output of the generating means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
300, for this subject matter where there are a plurality of
regulating means in the system, one of the regulating means being a current generating means.
SEE OR SEARCH CLASS
322, Electricity: Single Generator Systems, appropriate subclasses, for miscellaneous generator regulator systems.
