Boots – shoes – and leggings
Patent
1992-11-12
1994-07-12
Harvey, Jack B.
Boots, shoes, and leggings
250548, G01B 1114
Patent
active
053294661
ABSTRACT:
A register control device has a head which scans registration marks printed on a web, the scanning head having a row of discrete photosensitive elements arranged crosswise to the traveling direction of the web and in a plane situated above and parallel to the web. The scanning head has in the same plane a linear video bar situated parallel to the row of photosensitive elements. The device includes a microprocessor which selects the photosensitive element to be used according to the temporary sideways displacement of the web and controls the scanning operations of the linear video bar. The scanning head may also include a second row of discrete photosensitive elements arranged parallel between the first row of discrete photosensitive elements and the linear video bar.
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Bobst SA
Harvey Jack B.
Peeso Thomas
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