US PATENT SUBCLASS 359 / 209
.~.~ Including transmissive type moving element

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}
209.~.~ Including transmissive type moving element {2}
210  DF  .~.~.~> Having moving lens
211  DF  .~.~.~> Having moving prism

DEFINITION

Classification: 359/209

Including transmissive type moving element:

(under subclass 197) Subject matter wherein the medium of the scanning element permits the passage of light rays.