Patents by Inventor Hsuan-Hao TSAI

Hsuan-Hao TSAI 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).

  • Hybrid digital analog key switch
    Patent number: 10168799
    Abstract: A hybrid digital analog key switch is designed to generate both a digital signal and an analog signal (DA) from a single key switch after the key is depressed. A pair of spring metal electrodes are electrically coupled to up and down movement of the key stem, and a force sensor is configured on a bottom side of the key module. Both a digital signal and an analog signal are generated when the key is depressed by a user.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: January 1, 2019
    Assignee: UNEO Inc.
    Inventors: Chih-Sheng Hou, Han-Ying Lei, Hsuan-Hao Tsai
  • HYBRID DIGITAL ANALOG KEY SWITCH
    Publication number: 20180107284
    Abstract: A hybrid digital analog key switch is designed to generate both a digital signal and an analog signal (DA) from a single key switch after the key is depressed. A pair of spring metal electrodes are electrically coupled to up and down movement of the key stem, and a force sensor is configured on a bottom side of the key module. Both a digital signal and an analog signal are generated when the key is depressed by a user.
    Type: Application
    Filed: July 11, 2017
    Publication date: April 19, 2018
    Inventors: Chih-Sheng HOU, Han-Ying LEI, Hsuan-Hao TSAI