Disclosed are a system and methods of control signal generation of a solar panel orientation system with interference reduction using an infrared filter. In one embodiment, a solar panel orientation system includes a sensor that generates a control signal component when the sensor receives an ultraviolet...http://www.google.com/patents/US8119962?utm_source=gb-gplus-sharePatent US8119962 - Control signal generation of a solar panel orientation system with interference reduction using an infrared filter
