Patents by Inventor Kuo-Liang Wen

Kuo-Liang Wen 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).

  • Publication number: 20120182532
    Abstract: An automatic focus system of a projector includes a projecting module, an image catching module, a memory, a micro processor, and a focusing module. The projecting module has an image light source to provide image light, and a projecting lens to project the image light on a screen. The image catching module senses an image on the screen. The microprocessor calculates the sensed image to have a definition value of the image and save the definition value in the memory. The focusing module may move the projecting lens is moved along an optical axis under a control of microprocessor. The microprocessor compares the definition values to control the focusing module to move the cam to a position where the projector may project a clear image on the screen.
    Type: Application
    Filed: June 23, 2011
    Publication date: July 19, 2012
    Applicant: AISA OPTICALCO., INC
    Inventors: Sen-Yung Liu, Chien-chih Hsiung, Chen-Ren Yu, Kuo-Liang Wen, Yi-Chung Hung, Chiao-Sen Hsu, Chao-Yang Ke, Keng-Hui Lin, Fu-Shan Wu
  • Patent number: D445484
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: July 24, 2001
    Inventor: Kuo-Liang Wen
  • Patent number: D445880
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: July 31, 2001
    Inventor: Kuo-Liang Wen