ELEVATOR SHAFT INNER DIMENSION MEASURING DEVICE, ELEVATOR SHAFT INNER DIMENSION MEASUREMENT CONTROLLER, AND ELEVATOR SHAFT INNER DIMENSION MEASUREMENT METHOD
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Sep 15, 2015
filing date -
Sep 19, 2014
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Abstract
According to one embodiment, an elevator shaft inner dimension measuring device includes a distance measuring instrument, an imaging device and a controller. The distance measuring instrument includes a first laser rangefinder mounted to a moving object moving through an interior of an elevator shaft, and irradiating laser light on an inner wall of the elevator shaft. The imaging device includes a first camera mounted to the moving object, and imaging the interior of the elevator shaft. The controller includes a calculator, a position calculating device, and a memory device. The calculator performs an operation on distance data obtained from the distance measuring instrument, and image data obtained from the imaging device. The position calculating device estimates a motion of the moving object and calculates a position of the moving object in the interior of the elevator shaft. The memory device stores the distance data and the image data.
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