Description
Class H02M : APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
Subclass 1/04: Details of apparatus for conversion Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters for tubes with grid control