PLATE EDGE POSITION DETECTING DEVICE, METHOD FOR MEASURING PLATE WIDTH, AND METHOD FOR MEASURING MEANDERING AMOUNT OF PLATE

PROBLEM TO BE SOLVED: To provide a plate edge position detecting device, a method for measuring plate width, and a method for measuring meandering amount of plate wherein, with measurement error as small as possible, the edge position, width, and meandering amount of a plate can be accurately measur...

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1. Verfasser:	OGASAWARA AKINOBU
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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creator	OGASAWARA AKINOBU
description	PROBLEM TO BE SOLVED: To provide a plate edge position detecting device, a method for measuring plate width, and a method for measuring meandering amount of plate wherein, with measurement error as small as possible, the edge position, width, and meandering amount of a plate can be accurately measured. SOLUTION: At least three measurement cameras A, B, and C, are provided above both edge parts 11 of a plate 10, two are selected among the measurement cameras A, B, C corresponding to a plate width W and lateral deflection amount Y of the plate 10, and base on the measurement signal of the two measurement cameras, an edge position PD is calculated using an intersection-point method which requires no plate-thickness information. Thus, the detection precision for the plate edge position is significantly raised.
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SOLUTION: At least three measurement cameras A, B, and C, are provided above both edge parts 11 of a plate 10, two are selected among the measurement cameras A, B, C corresponding to a plate width W and lateral deflection amount Y of the plate 10, and base on the measurement signal of the two measurement cameras, an edge position PD is calculated using an intersection-point method which requires no plate-thickness information. 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SOLUTION: At least three measurement cameras A, B, and C, are provided above both edge parts 11 of a plate 10, two are selected among the measurement cameras A, B, C corresponding to a plate width W and lateral deflection amount Y of the plate 10, and base on the measurement signal of the two measurement cameras, an edge position PD is calculated using an intersection-point method which requires no plate-thickness information. 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SOLUTION: At least three measurement cameras A, B, and C, are provided above both edge parts 11 of a plate 10, two are selected among the measurement cameras A, B, C corresponding to a plate width W and lateral deflection amount Y of the plate 10, and base on the measurement signal of the two measurement cameras, an edge position PD is calculated using an intersection-point method which requires no plate-thickness information. Thus, the detection precision for the plate edge position is significantly raised.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
title	PLATE EDGE POSITION DETECTING DEVICE, METHOD FOR MEASURING PLATE WIDTH, AND METHOD FOR MEASURING MEANDERING AMOUNT OF PLATE
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