US PATENT SUBCLASS 356 / 124.5
.~ For optical transfer function

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

124  DF  LENS OR REFLECTIVE IMAGE FORMER TESTING {3}
124.5.~ For optical transfer function

DEFINITION

Classification: 356/124.5

For optical transfer function:

(under subclass 124) Subject matter including means to

determine the ratio of the Fourier spectrum of the lens image to the one of the object.