G - Physics – 06 – K
Patent
G - Physics
06
K
354/56, 340/123.
G06K 7/14 (2006.01) B41F 33/00 (2006.01)
Patent
CA 1239702
ABSTRACT OF THE DISCLOSURE The present invention provides an indicia detection apparatus for selectively detecting a predetermined register indicia on a moving web which is positioned within an encompass- ing field of indicia comprising: code indicia having a predeter- mined pattern and having a spacially fixed relationship on said web relative to said register indicia; indicia sensing means for sensing the spacial configuration of indicia lying along a longi- tudinally extending, indicia sensing path comprising at least one longitudinally extending, narrow width sensing track and for gen- erating a detection signal indicative of the spacial orientation of indicia in said longitudinally extending, indicia sensing path; data processing means for receiving said indicia detection signal and for comparing said signal with a predetermined set of criteria for detecting a portion of said detection signal corre- sponding to said code indicia and for selecting a portion of said detection signal for further processing based on the detection of said code indicia and the spacial relationship of said code indi- cia to said register indicia and for comparing said selected sig- nal portion with a second set of criteria for detecting a portion of said selected signal portion corresponding to said register indicia and registering the detection of said register indicia.
494429
Coors (adolph) Company
Hewitt Neville S.
LandOfFree
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