APPARATUS FOR MEASURING WIDTH DIRECTION END POSITION OF STRIP, APPARATUS FOR MEASURING WIDTH DIRECTION CENTRAL POSITION OF STRIP AND MICROWAVE SCATTERING PLATE
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United States of America Patent
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app pub date -
Jul 17, 2013
filing date -
Feb 3, 2011
priority date (Note) -
Abandoned
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Abstract
The apparatus according to the present invention is an apparatus for measuring width direction end position of a strip which passes through an enclosed space surrounded by a plurality of surfaces. The apparatus includes an antenna section which emits electromagnetic waves toward the width direction end and receives the electromagnetic waves reflected by the width direction end; a signal processing section for determining a position of the width direction end using the reflected electromagnetic waves; and a scattering plate for scattering electromagnetic waves which are incident thereon, wherein the antenna section is installed on a first surface which faces the width direction end a position of which is to be determined and the scattering plate is installed on a second surface which faces the first surface.
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