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Positioning system of sweeper and positioning method of the positioning system

  • US 9,516,984 B2
  • Filed: 03/31/2015
  • Issued: 12/13/2016
  • Est. Priority Date: 01/12/2015
  • Status: Active Grant
First Claim
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1. A positioning system, comprising:

  • a sweeper having a lighting component; and

    a positioning device having a height measuring unit and a plurality of light-sensitive units and arranged on a ceiling, measuring a vertical distance between the positioning device and a floor through the height measuring unit, receiving light emitted from the lighting component through the plurality of light-sensitive units and calculating an oblique distance between the positioning device and the sweeper based on light strengths respectively received by each of the plurality of light-sensitive units, wherein the positioning device calculates a parallel distance between the positioning device and the sweeper based on the vertical distance and the oblique distance.

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