US PATENT SUBCLASS 396 / 254
.~.~.~ Including plural selective resistors

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

213  DF  EXPOSURE CONTROL CIRCUIT {23}
246  DF  .~ Shutter speed function only {6}
251  DF  .~.~ Having RC circuit for timing {4}
254.~.~.~ Including plural selective resistors

DEFINITION

Classification: 396/254

Including plural selective resistors:

(under subclass 251) Subject matter having multiple resistors from which to choose.