Non-contact apparatus and method for measuring the length of aluminum sheet and plate
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United States of America Patent
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Feb 14, 1989
Grant Date -
N/A
app pub date -
Sep 10, 1987
filing date -
Sep 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for measuring the length and/or width of a piece of material, such as hot aluminum plate. The apparatus has a measuring range defined by a plurality of cameras. A video screen is selectively connectable to the cameras to depict their viewing ranges. The apparatus, after an operator has aligned an indicator with a depicted edge of material, automatically calculates the distance of the depicted edge from a fixed point, such as the centerline of a shear.
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