RAILROAD CROSSING OBSTACLE DETECTION SYSTEM
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United States of America Patent
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Issued Date -
Nov 3, 2022
app pub date -
Apr 18, 2022
filing date -
Apr 18, 2022
priority date (Note) -
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Abstract
A railroad crossing obstacle detection system including: a laser radar device that includes an irradiator and a light receiver, the irradiator applying laser light at irradiation angles set every prescribed angle, and the light receiver receiving the laser light reflected; and a controller, wherein the laser radar device is configured to be supported by an object such that the laser radar device is located above a detection area of an obstacle in railroad crossing, and to apply the laser light from above to the detection area, and the controller is configured to detect an obstacle on the basis of measurement result representing a distance to an object having reflected the laser light, and an irradiation angle for the object; and monitor a change of at least one of a position or a direction of the laser radar device on the basis of the measurement result by the laser radar device.
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