Patents by Inventor Cheng Wen-Chin

Cheng Wen-Chin 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).

  • Brightness-adjusting device for video wall system and method therefor
    Publication number: 20070103599
    Abstract: A brightness-adjusting device for a screen is provided. The brightness-adjusting device includes a light source providing an incident light required to project an image on the screen, a sensor disposed at a position so as to receive the incident light and obtain a digital brightness signal accordingly, and a processor electrically connected to the sensor, receiving the signal and determining a target brightness for adjusting a brightness of the light source accordingly.
    Type: Application
    Filed: October 2, 2006
    Publication date: May 10, 2007
    Inventor: Cheng Wen-Chin