US PATENT SUBCLASS 323 / 321
.~.~ With soft start

Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

318  DF  EXTERNAL OR OPERATOR CONTROLLED {5}
320  DF  .~ Phase controlled switching using electronic tube or a three or more terminal semiconductive device {6}
321.~.~ With soft start

DEFINITION

Classification: 323/321

With soft start:

(under subclass 320) Subject matter wherein at the time of start up of the system, the output is gradually increased over a plurality of cycles from zero to the desired level.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, for output responsive systems of this type.