Patents by Inventor Chih-Fa Tsai

Chih-Fa Tsai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • LUMINANCE CONTROL SYSTEM AND RELATED CONTROL METHOD
    Publication number: 20100123820
    Abstract: A luminance control system includes a light-emitting module including at least one light-emitting unit, a sensing device for sensing an ambient environment to generate a sensing output, and an image processing apparatus coupled to the sensing device and the light-emitting module for receiving the sensing output, and alternatively turning on and turning off the light-emitting unit to control a luminance of the light-emitting unit according to the sensing output.
    Type: Application
    Filed: February 11, 2009
    Publication date: May 20, 2010
    Inventor: Chih-Fa Tsai