Automatically adjusting light shelf and method of use
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United States of America Patent
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Nov 17, 2015
Issued Date -
N/A
app pub date -
Jan 19, 2013
filing date -
Jan 19, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An automatically adjusting light shelf has a circuit of components used to measure light levels within a space; a light shelf hinged to a window assembly, used to reflect light entering the space; and a rotation device used to alter the light entering the space by rotating the light shelf. The light levels are measured using light sensors having a capacitive component and phototransistor in parallel with one another, a microcontroller, and optionally, a clock. The automatic operation of the light shelf can be overridden for manual operation. A method of using the automatically adjusting light shelf includes the steps of measuring a differential between the light levels reaching the light sensors; determining a direction to rotate the light shelf to alter the light; and rotating the light shelf so that the reflected light is optimized within the space.
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Family
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