Patents by Inventor Yangqun Wu

Yangqun Wu 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).

  • Frame component for infrared touch screen and infrared touch screen
    Patent number: 9046964
    Abstract: A frame component for an infrared touch screen is provided, which can reduce the thickness of the infrared touch screen. The frame component has a light transmission body which is provided with a plurality of first avoid holes and/or first avoid slots along the length direction for avoiding locations of the infrared emitting tubes and infrared receiving tubes. An infrared touch screen comprising the frame component is also provided. The infrared touch screen further comprises a printed circuit board and a lower support component. A plurality of second avoid holes and/or second avoid slots is arranged on the lower support component for avoiding locations of electronic devices. A light transmission part, the printed circuit board and the support components are mutually clamped tightly to form a sandwich structure. The infrared touch screen according to the present invention has advantages of ultra-thinness and good circuit board firmness.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: June 2, 2015
    Assignee: BEIJING IRTOUCH SYSTEMS CO., LTD
    Inventors: Xiaodong Shang, Yangqun Wu, Xinbin Liu
  • FRAME COMPONENT FOR INFRARED TOUCH SCREEN AND INFRARED TOUCH SCREEN
    Publication number: 20130106783
    Abstract: A frame component for an infrared touch screen is provided, which can reduce the thickness of the infrared touch screen. The frame component has a light transmission body which is provided with a plurality of first avoid holes and/or first avoid slots along the length direction for avoiding locations of the infrared emitting tubes and infrared receiving tubes. An infrared touch screen comprising the frame component is also provided. The infrared touch screen further comprises a printed circuit board and a lower support component. A plurality of second avoid holes and/or second avoid slots is arranged on the lower support component for avoiding locations of electronic devices. A light transmission part, the printed circuit board and the support components are mutually clamped tightly to form a sandwich structure. The infrared touch screen according to the present invention has advantages of ultra-thinness and good circuit board firmness.
    Type: Application
    Filed: July 5, 2012
    Publication date: May 2, 2013
    Inventors: Xiaodong SHANG, Yangqun Wu, Xinbin Liu