US PATENT SUBCLASS 250 / 238
.~ Temperature control of photocell

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
238.~ Temperature control of photocell

DEFINITION

Classification: 250/238

(under subclass 200) Subject matter having means for controlling the temperature of the photocell apparatus.

(1) Note. If the temperature of nonphotocell apparatus is controlled, search should not be made here, but rather in the nonphotocell art concerned.