(under subclass 334) Systems wherein the electric discharge load device is provided with a discharge controlling means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
148, for this subject matter where the discharge device is supplied with polyphase alternating current.
335, and indented subclass, for systems wherein the discharge controlling means is an auxiliary starting electrode.
338, for this subject matter where the discharge control means is an electromagnet.
349, and indented subclasses and the subclasses specified in the notes to the definition of those subclasses for other systems wherein the discharge device load is provided with a discharge control means. SEE OR SEARCH CLASS
313, Electric Lamp and Discharge Devices,
298, 302, and 303 for the structure of discharge devices, per se, which have a plurality of anodes or a plurality of cathodes and a discharge control grid.
