Photoelectric detector for a register control device within...

Details Photoelectric detector for a register control device within... Photoelectric detector for a register control device within...

B - Operations, Transporting

41

F

B41F 33/00 (2006.01) B65H 23/04 (2006.01) B65H 43/08 (2006.01)

Patent

CA 2175979

The detector comprises a row of scanning devices arranged in front of the web (10) and crosswise to the travelling direction. Each device comprises one or two lighting optical fibers (30) coupled to an unique scanning optical fiber (40) leading the reflected light to a photodiode being a part of a row situated behind in the machine. More particulary, the extremity of each scanning optical fiber (40) is in optical rigid relation with a coupled spherical or semi- spherical lens, and this by means of an optical glue.

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