(under the class definition) Systems including means to regulate the current or voltage supplied to the discharge device.
(1) Note. Continue the search in subclasses 115 and 116 of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
132, for patents relating to the means for mounting an impedance in the consumable electrodes type of discharge device structure.
SEE OR SEARCH CLASS
315, Electric Lamp and Discharge Devices: Systems,
291, and indented subclasses, and the subclasses referred to in the notes to the definitions of those subclasses for miscellaneous systems which include regulating means for supplying electric current and/or potential to electric lamps and/or electric space discharge devices of the gas or vapor ionization type. 323, Electricity: Power Supply or Regulation Systems,
220, 354, for systems for controlling the magnitude of the current and/or voltage in a single circuit.
336, Inductor Devices, appropriate subclasses for the structure of transformers and inductive reactors.
361, Electricity: Electrical Systems and Devices,
139+, for miscellaneous systems of supplying current to an electromagnet.
373, Industrial Electric Heating Furnaces,
102+, for control systems for controlling the operation of the current and/or potential of electric arc furnaces.
