Positioning system of sweeper and positioning method of the positioning system
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United States of America Patent
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Dec 13, 2016
Grant Date -
Jul 14, 2016
app pub date -
Mar 31, 2015
filing date -
Jan 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A positioning system comprises a sweeper and a positioning device arranged on a ceiling. The sweeper has a lighting component for emitting light. The positioning device at least has a height measuring unit and a plurality of light-sensitive units. The positioning device measures a vertical distance between the positioning device and a floor through the height measuring unit. The positioning device receives the light emitted from the emitting light of the sweeper through the light-sensitive units, and calculates an oblique distance between the positioning device and the sweeper based on different strengths of the light respectively received from each of the plurality of light-sensitive units. Therefore, the positioning device can calculates a parallel distance between the positioning device and the sweeper based on the vertical distance and the oblique distance, and further determines a related position of the sweeper opposite to the positioning device.
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