Patents by Inventor CHUNG-KAI HSIEH

CHUNG-KAI HSIEH 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).

  • Patent number: 9378355
    Abstract: A method for controlling access to an electronic device, the electronic device displays an image on a display device of the electronic device, when the electronic device is locked. The electronic device obtains a pattern according to touch signals on the displayed image using an image-recognition algorithm. Once a similarity degree between the obtained pattern and a predetermined pattern is greater than or equal to a predetermined value, the electronic device is unlocked.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: June 28, 2016
    Assignee: Chiun Mai Communication Systems, Inc.
    Inventors: Chung-Kai Hsieh, Lun-Yuan Tsai
  • Publication number: 20150116240
    Abstract: A method for controlling access to an electronic device, the electronic device displays an image on a display device of the electronic device, when the electronic device is locked. The electronic device obtains a pattern according to touch signals on the displayed image using an image-recognition algorithm. Once a similarity degree between the obtained pattern and a predetermined pattern is greater than or equal to a predetermined value, the electronic device is unlocked.
    Type: Application
    Filed: September 10, 2014
    Publication date: April 30, 2015
    Inventors: CHUNG-KAI HSIEH, LUN-YUAN TSAI