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High efficiency roller shade and method for setting artificial stops

  • US 8,947,027 B2
  • Filed: 09/05/2013
  • Issued: 02/03/2015
  • Est. Priority Date: 02/23/2010
  • Status: Active Grant
First Claim
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1. A method for controlling a motorized roller shade, the method comprising:

  • providing a roller shade that includes a shade attached to a shade tube;

    positioning a DC gear motor having an output shaft within the shade tube;

    operatively coupling the output shaft to a support bracket;

    detecting a manual displacement of the shade using a sensor;

    determining if the manual displacement is less than a maximum displacement;

    moving the shade to a different position by energizing the DC gear motor to rotate the shade tube if the manual displacement is less than a maximum displacement;

    maintaining a manually displaced position of the shade if the manual displacement is greater than a maximum displacement.

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