US PATENT SUBCLASS 359 / 206
.~.~.~ High distortion lens (e.g., fO lens, etc.)

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}
205  DF  .~.~ Having particular focusing element to receive scanned light {3}
206.~.~.~ High distortion lens (e.g., fO lens, etc.)

DEFINITION

Classification: 359/206

High distortion lens (e.g., fQ lens, etc.):

(under subclass 205) Subject matter including a lens which forms an image which is not in proportion to a respective image source.

(1) Note. An fQ lens is one in which the image height is equal to the product of the lens focal length and the angle at which a beam enters the lens.

SEE OR SEARCH THIS CLASS, SUBCLASS:

662, for an fQ lens, per se.