Patents by Inventor Haidong Hao

Haidong Hao 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).

  • Touch screen, touch system and method for positioning a touch object in touch system
    Patent number: 8928608
    Abstract: A touch screen, a touch system and a method for positioning a touch object in a touch system are disclosed. The touch screen comprises an infrared pair tube array, wherein said infrared pair tube array is disposed on an edge of said touch screen. By introducing the infrared pair tube array, the touch screen of the present invention eliminates invalid touch areas in the existing touch screen and avoids false touch points in multipoint positioning.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: January 6, 2015
    Assignee: Beijing Irtouch Systems Co., Ltd
    Inventors: Xinlin Ye, Jianjun Liu, Xinbin Liu, Zhenyu Wu, Haibing Zhang, Yuhui Wang, Haidong Hao, Haibo Tang
  • TOUCH SCREEN, TOUCH SYSTEM AND METHOD FOR POSITIONING A TOUCH OBJECT IN TOUCH SYSTEM
    Publication number: 20120176345
    Abstract: A touch screen, a touch system and a method for positioning a touch object in a touch system are disclosed. The touch screen comprises an infrared pair tube array, wherein said infrared pair tube array is disposed on an edge of said touch screen. By introducing the infrared pair tube array, the touch screen of the present invention eliminates invalid touch areas in the existing touch screen and avoids false touch points in multipoint positioning.
    Type: Application
    Filed: September 29, 2010
    Publication date: July 12, 2012
    Applicant: Beijing Irtouch Systems Co., Ltd.
    Inventors: Xinlin Ye, Jianjun Liu, Xinbin Liu, Zhenyu Wu, Haibing Zhang, Yuhui Wang, Haidong Hao, Haibo Tang