Patent References 3305686 Radiant energy tracking device Three axis stellar sensor Solar tracking system 5117744 Sun tracker system for a solar assembly Patent #: 5798517 InventorApplicationNo. 570643 filed on 05/15/2000US Classes:250/203.4, Sun250/203.7With moving reticle in optical pathExaminersPrimary: Kim, Robert H.Assistant: Song, Hoon Attorney, Agent or FirmInternational ClassG01C 021/00Foreign Application Priority Data1999-05-19 CNAbstractA sunlight tracking sensor has light sensing faces for receiving light signals from all directions. The light sensing faces are arranged in four quadrants. Each quadrant of the light sensor can sense light signals in two coordinate axes direction. The light signals are processed and used to adjust a light collecting device to track light from the sun. | |