Laser scanning sensor
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United States of America Patent
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Aug 15, 2017
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app pub date -
Aug 28, 2013
filing date -
Sep 19, 2012
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Abstract
The laser scanning sensor includes a laser distance meter, a scanning mechanism, a distance data acquisition unit, a distance data complementation unit, a human body judgment unit, an alarm output control unit, and a memory. For each measurement direction when a piece of distance information corresponds to an unintended object located at a shorter distance than an object to be originally detected and when complementation of the piece of distance information is possible based on a piece of distance information in an adjacent measurement direction or at a previous measurement cycle, the distance data complementation unit replaces the piece of distance information in the measurement direction corresponding to the unintended object with an interpolated value based on the piece of distance information acquired in the adjacent measurement direction or with an interpolated value based on the piece of distance information acquired in the measurement direction at a previous measurement cycle.
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