US PATENT SUBCLASS 359 / 235
.~.~ Continuously rotating apertured element

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

227  DF  LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH {6}
234  DF  .~ With rotating or pivoting element (e.g., scanning discs) {2}
235.~.~ Continuously rotating apertured element

DEFINITION

Classification: 359/235

Continuously rotating apertured element:

(under subclass 234) Subject matter wherein the light controlling element revolves nonstop during the operation of the device.

(1) Note. Apertures as used here encompass slots removed around the periphery of an otherwise opaque element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

233, for relative motion of two apertured elements where one may be continuously rotating.