Patents by Inventor Zhihao Dong

Zhihao Dong 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).

  • De-bouncing keypad and preparation method thereof
    Patent number: 10224156
    Abstract: The present invention discloses a de-bouncing keypad and a preparation method thereof, wherein the keypad is composed of a rubber substrate and a metal contact having three layers of layered structures. A layer of tin alloy or lead alloy is plated on a surface of the metal contact by electroplating or chemical plating. The metal contact plated with the tin alloy or lead alloy has excellent contact bouncing resistance and arc-ablation resistance, and the metal contact is further composited with the rubber to shape and prepare the rubber de-bouncing keypad.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: March 5, 2019
    Assignee: Nantong Memtech Technologies Co., Ltd.
    Inventors: Huisheng Han, Zhenxing Wang, Yang Ding, Hongmei Zhang, Zhihao Dong, Jie Shi
  • DE-BOUNCING KEYPAD AND PREPARATION METHOD THEREOF
    Publication number: 20170133174
    Abstract: The present invention discloses a de-bouncing keypad and a preparation method thereof, wherein the keypad is composed of a rubber substrate and a metal contact having three layers of layered structures. A layer of tin alloy or lead alloy is plated on a surface of the metal contact by electroplating or chemical plating. The metal contact plated with the tin alloy or lead alloy has excellent contact bouncing resistance and arc-ablation resistance, and the metal contact is further composited with the rubber to shape and prepare the rubber de-bouncing keypad.
    Type: Application
    Filed: July 15, 2015
    Publication date: May 11, 2017
    Inventors: Huisheng Han, Zhenxing Wang, Yang Ding, Hongmei Zhang, Zhihao Dong, Jie Shi