Image Number 3 for United States Patent #7147350.
A novel light modification device is described that includes an optical wheel having at least two light modification sections, the optical wheel being turned by an electric powered actuator and the electric power used to operate the actuator being provided by a light power to electric power converter. All of the optical wheel, actuator and light power to electric power converter being mounted on a housing. The housing being supported by a mounting mechanism so that light from a light source is aligned to illuminate the optical wheel and the light power to electric power converter.
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