US PATENT SUBCLASS 359 / 435
.~.~ Repetitious lens structure

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

362  DF  COMPOUND LENS SYSTEM {8}
434  DF  .~ With relay {1}
435.~.~ Repetitious lens structure

DEFINITION

Classification: 359/435

Repetitious lens structure:

(under subclass 434) Subject matter wherein the compound lens system includes (a) a plurality of identical relays in series or side by side or (b) at least one relay comprised of identical elements or elements symmetrically reversed about a center point.