(under subclass 341) Systems wherein the discharge device is provided with diverse types of discharge controlling means.
(1) Note. Auxiliary starting electrodes, electromagnets, electrostatic control devices (control grids) are each considered to be of a diverse type with respect to each other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
335, and indented subclass, for this subject matter where one of the control means is an auxiliary starting electrode.
338, where the discharge device is a plural cathode and/or anode discharge device and electromagnetic means are provided for influencing the discharge.
339, where the discharge device is a plural cathode and/or anode discharge device and the discharge device is provided with discharge control means. SEE OR SEARCH CLASS
313, Electric Lamp and Discharge Devices, appropriate subclasses, for the structure of discharge devices, per se, which are provided with diverse types of discharge controlling means. See the reference to Class 313 in the Notes to
341, above for the particular subclasses to be searched.
