US PATENT SUBCLASS 359 / 663
.~ Telecentric system

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

642  DF  LENS {32}
663.~ Telecentric system

DEFINITION

Classification: 359/663

Telecentric system:

(under subclass 642) Subject matter wherein all of the

primary rays are parallel to the optical axis in either object or image space.

SEE OR SEARCH THIS CLASS, SUBCLASS:

740, for particular diaphragms employed to produce the telecentric result.