(under subclass 10) Subject matter wherein an electric switch is actuated to control the circuit of the discharge device.
(1) Note. Continue the search in subclass 11 and indented subclasses of this class, for similar shunt circuit closing combinations.
SEE OR SEARCH THIS CLASS, SUBCLASS:
2, for systems including (1) a consumable electrode discharge device and another electric discharge device or lamp, or (2) a consumable electrode discharge device having a plurality of cathodes and/or anodes, and provided with automatically operated electric switch means for substituting for (a) the consumable electrode discharge device the other discharge device or lamp, or (b) the first operated electrode another electrode, when the first operated device fails to maintain the discharge or is extinguished.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers, appropriate subclasses, for electric switches of general application. 315, Electric Lamp and Discharge Devices: Systems,
74, and indented subclass and subclass 127 and indented subclass, for miscellaneous systems for supplying electric current to electric lamps and/or electric space discharge devices of the gas or vapor ionization type, the system being provided with an automatically operated electric switch for completing a shunt circuit about or opening, the circuit of the lamp or discharge device.
