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Method for measuring external light to control protection means against sunlight or illumination

  • US 7,193,201 B2
  • Filed: 07/03/2002
  • Issued: 03/20/2007
  • Est. Priority Date: 07/18/2001
  • Status: Expired due to Fees
First Claim
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1. A control process for measuring exterior light and controlling at least one motorized means of a solar protection and/or lighting means, said control process comprising the steps of:

  • detecting at least three states, respectively blue sky, white sky and direct sun;

    wherein a blue sky is a substantially homogeneous sky presenting low luminance and a white sky is a substantially homogeneous sky presenting high luminance;

    discriminating at least said three states, andactivating said motorized means of said solar protection and/or lighting means according to the discriminated states.

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