APPARATUS FOR SENSING AN IMAGE SUN POSITION
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United States of America Patent
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app pub date -
May 8, 2013
filing date -
Sep 3, 2012
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Abandoned
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Abstract
An apparatus for sensing an image sun position is disclosed, comprising a casing, a light entrance hole on the casing and an optical unit within the casing and aligned with the optical unit; a tracking mechanism, connected to the image position sensing mechanism and comprises a holder, a solar battery module operatively connected to the holder, a first and second activation elements operatively connected to the solar battery module, respectively, and a control mechanism, connected to the optical unit and the first and second activation elements. This apparatus can directly acquire a sun image by using an image position sensing mechanism and activate a tracking mechanism to track and align with the determined sun position to enable the solar battery module to face straightly to sun, achieving low lost, high sensitivity and high tracking accuracy without using any encoder, illumination calculation and GPS (global positioning system).
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