Optics: measuring and testing – By configuration comparison – With photosensitive film or plate
Patent
1992-03-18
1997-10-21
Rosenberger, Richard A.
Optics: measuring and testing
By configuration comparison
With photosensitive film or plate
G01B 1110
Patent
active
056802188
ABSTRACT:
A system for gaging the thickness of strip material, comprising a linear array of a multiplicity of individual photosensitive elements, in which strip travels essentially perpendicular to the linearity of said array, means including a pulsable light source providing a collimated beam to the array with the strip therebetween, means for sequentially addressing each element of the array in a predetermined time, means responsive to a predetermined time after the end of addressing each of the elements at the end of sequence for energizing and pulsing the light source, whereby after upon each pulsing of the light source with the strip imaged against array. The cells are sequentially interrogated to determine the number of light occluded cells.
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Montgomery Robert H.
Rosenberger Richard A.
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