US PATENT SUBCLASS 359 / 210
.~.~.~ Having moving lens

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  DF  .~.~ Including transmissive type moving element {2}
210.~.~.~ Having moving lens

DEFINITION

Classification: 359/210

Having moving lens:

(under subclass 209) Subject matter including opposed shaped and spaced refracting surfaces either of a (1) single transparent mass or (2) plurality of such masses arranged in series along an optical axis to produce a single output image from an object, which are both external to the mass or masses, from the object light rays passing therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

642+, for lenses generally.