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Method and system for controlling a lighting system

  • US 7,638,743 B2
  • Filed: 06/29/2007
  • Issued: 12/29/2009
  • Est. Priority Date: 06/29/2007
  • Status: Expired due to Fees
First Claim
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1. A system for automatically controlling a light level of an interior space, the system comprising:

  • a light pipe configured to provide light to the interior space, the light pipe comprising;

    (a) a reflective tube;

    (b) a diffuser including a concave surface, the diffuser mounted to a first end of the reflective tube, the concave surface facing the interior space; and

    (c) a light collection system mounted to a second end of the reflective tube, the second end opposite the first end; and

    a light sensor configured to measure a light level of the interior space and to send the measured light level to a controller, the controller configured to;

    (d) receive the measured light level from the light sensor;

    (e) compare the received light level with a light level setting, the light level setting indicating a desired light level for the interior space;

    (f) determine a value for a lighting indicator based on the comparison;

    (g) define a control signal including the determined value; and

    (h) send the defined control signal to a receiver via radio frequency; and

    a lighting system, the lighting system comprising a light fixture operably coupled to the receiver, the receiver configured to;

    (i) receive the control signal;

    (j) extract the determined value from the received control signal; and

    (k) adjust a light level of the light fixture based on the extracted value.

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