Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2006-05-30
2010-11-23
Epps, Georgia Y (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S559300, C250S221000
Reexamination Certificate
active
07838858
ABSTRACT:
First, an operator inputs various parameters required for a mark recognition operation including a designated position coordinate designated via a mouse and a keyboard (step201). Then, an edge potential position closest to the designated position is selected (step205), or an edge potential position within a predetermined range having the designated position as a datum is selected (step207), and a mark recognition operation is performed at the selected edge potential position (step209). The recognition results are shown on a display (step211).
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Bui-Pho Pascal M
Epps Georgia Y
Nikon Corporation
Oliff & Berridg,e PLC
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