US PATENT SUBCLASS 315 / 172
.~ Periodic switch in one of the supply circuits

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

160  DF  PLURAL POWER SUPPLIES {8}
172.~ Periodic switch in one of the supply circuits

DEFINITION

Classification: 315/172

(under subclass 160) Systems having a periodic switch connected in at least one of the current supply circuits so as to periodically interrupt or vary the flow of current to the load device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209, and indented subclasses for other systems provided with a periodic switch connected in the supply circuit of the load device.