US PATENT SUBCLASS 359 / 203
.~.~.~ Having a common axis of rotation

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

196  DF  DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) {3}
197  DF  .~ Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) {6}
201  DF  .~.~ Plural moving scanning elements {2}
203.~.~.~ Having a common axis of rotation

DEFINITION

Classification: 359/203

Having a common axis of rotation:

(under subclass 201) Subject matter wherein the multiple elements revolve around the same line.