Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Patent
1988-02-24
1989-08-15
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
250563, 356431, G01N 2186
Patent
active
048577472
ABSTRACT:
A method and apparatus for generating in real time full width formation profiles of a web of material which passes between a light source and a camera which generates signals corresponding to the light intensity across the entire width of the web as compared to single point or sample measurements. These signals are then processed to generate in real time at a full width formation profile of the web.
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Bolton Joseph A.
Harbaugh Steven K.
Albany International Corporation
Nelms David C.
Oen William L.
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