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High efficiency roller shade

  • US 9,376,863 B2
  • Filed: 12/05/2013
  • Issued: 06/28/2016
  • Est. Priority Date: 02/23/2010
  • Status: Active Grant
First Claim
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1. A system for operating a roller shade comprising:

  • a roller configured to be attached to a shade;

    a DC motor having a rated voltage, the DC motor operatively connected to the roller and configured to rotate the roller; and

    a DC power source operatively connected to the DC motor to provide DC power to the DC motor at an average voltage,wherein a maximum average voltage the DC power source can supply the DC motor is approximately half or less than half the rated voltage of the DC motor wherein the motor rotates with the roller.

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