Patents by Inventor Yaun-Yu PENG

Yaun-Yu PENG 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).

  • Optical touch system with brightness compensation and brightness compensation method thereof
    Patent number: 9354749
    Abstract: There is provided an optical touch system including a touch surface, a plurality of image sensors and a plurality or compensation light sources, wherein each of the image sensors is adjacent to one of the compensation light sources. When one of the image sensors is capturing an image frame, the compensation light source not adjacent to and within a field of view of the image sensor which is capturing the image frame irradiates so as to compensate a brightness distribution of the image frame.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 31, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Cheng-Nan Tsai, Tzung-Min Su, Chih-Hsin Lin, Yaun-Yu Peng, Yu-Chia Lin, Chuan-Ching Lin, Teng Wei Hsu
  • OPTICAL TOUCH SYSTEM WITH BRIGHTNESS COMPENSATION AND BRIGHTNESS COMPENSATION METHOD THEREOF
    Publication number: 20140111481
    Abstract: There is provided an optical touch system including a touch surface, a plurality of image sensors and a plurality or compensation light sources, wherein each of the image sensors is adjacent to one of the compensation light sources. When one of the image sensors is capturing an image frame, the compensation light source not adjacent to and within a field of view of the image sensor which is capturing the image frame irradiates so as to compensate a brightness distribution of the image frame.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 24, 2014
    Applicant: PixArt Imaging Inc.
    Inventors: Cheng-Nan TSAI, Tzung-Min SU, Chih-Hsin LIN, Yaun-Yu PENG, Yu-Chia LIN, Chuan-Ching LIN, Teng Wei HSU