Apparatus for automatically detecting and evaluating the charact

Details Apparatus for automatically detecting and evaluating the charact Apparatus for automatically detecting and evaluating the charact

1981-10-23

1985-11-26

Rosenberger, R. A.

Optics: measuring and testing

Of light reflection

By comparison

356430, G07D 700

Patent

active

045551812

ABSTRACT:
An apparatus for automatically detecting and evaluating print characteristics comprising an optical detection and comparison means. In particular comparison is made using reflector means which is at the same time a background area for a print in its test position.

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