Apparatus and methods to locate and track the sun
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United States of America Patent
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Issued Date -
Jan 24, 2008
app pub date -
Jul 21, 2006
filing date -
Jul 21, 2006
priority date (Note) -
Abandoned
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Abstract
Apparatus and methods are disclosed that enable a device to locate and track a light source. In certain preferred embodiments, the device is a telescope and the light source is the sun. In some embodiments, the apparatus includes a plurality of photodetectors and a plurality of shade casting members. The shade casting members may be disposed substantially symmetrically about an optical axis of the apparatus. In certain embodiments, the apparatus can locate and track the light source by comparing one or more signals produced by the photodetectors in response to light received from the light source.
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