Patents by Inventor Chun-Shen Lin

Chun-Shen Lin 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 panel system and positioning method thereof
    Patent number: 9489085
    Abstract: The present invention discloses an optical touch panel system and a positioning method for positioning an object existing in a touch control area. The system includes: at least one reflective element disposed on a side of the touch control area; at least one light guide module disposed on a side of the touch control area adjacent to or opposite the reflective element and emitting light; an image sensor capturing an image of the object; a plurality of photo detectors arranged on a side of the touch control area adjacent to the image sensor and sensing the object to obtain shade information; and a processor calculating the coordinates of the object according to the image and the shade information.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: November 8, 2016
    Assignee: PIXART IMAGING INCORPORATION, R.O.C.
    Inventors: Chun-Shen Lin, Chun-Yi Lu, Chi-Chieh Liao, Tzung-Min Su, Ming-Tsan Kao
  • OPTICAL TOUCH PANEL SYSTEM AND POSITIONING METHOD THEREOF
    Publication number: 20140098062
    Abstract: The present invention discloses an optical touch panel system and a positioning method for positioning an object existing in a touch control area. The system includes: at least one reflective element disposed on a side of the touch control area; at least one light guide module disposed on a side of the touch control area adjacent to or opposite the reflective element and emitting light; an image sensor capturing an image of the object; a plurality of photo detectors arranged on a side of the touch control area adjacent to the image sensor and sensing the object to obtain shade information; and a processor calculating the coordinates of the object according to the image and the shade information.
    Type: Application
    Filed: October 8, 2012
    Publication date: April 10, 2014
    Inventors: Chun-Shen Lin, Chun-Yi Lu, Chi-Chieh Liao, Tzung-Min Su, Ming-Tsan Kao