US PATENT SUBCLASS 250 / 236
.~.~.~.~ Rotary motion

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

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
216  DF  .~ Optical or pre-photocell system {11}
234  DF  .~.~ Means for moving optical system {1}
235  DF  .~.~.~ Repetitious path {1}
236.~.~.~.~ Rotary motion

DEFINITION

Classification: 250/236

(under subclass 235) Subject matter in which the element of the optical system, which moves in a cyclic path, rotates.

SEE OR SEARCH CLASS

348, Television,

199+, 202, and 203+ for Nipkow discs and rotating mirrors.