Patents by Inventor En-Chuan Tsui

En-Chuan Tsui 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: 8674247
    Abstract: A switch panel with an indicator is disclosed. The switch panel has a transparent region. There is a light source disposed in the switch panel for emitting light when turning off a switch body. A shape of the transparent region is projected onto the wall for forming a large area of indicating pattern, and this can replace a night light. The drawback of a luminous region in prior art which is limited to be on the switch body or on the switch panel is solved.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: March 18, 2014
    Assignee: National Taiwan University of Science and Technology
    Inventors: Hung-jung Lin, Shao-lun Chao, En-chuan Tsui, Wen-chih Chang, Rung-huei Liang
  • Publication number: 20120292164
    Abstract: A switch panel with an indicator is disclosed. The switch panel has a transparent region. There is a light source disposed in the switch panel for emitting light when turning off a switch body. A shape of the transparent region is projected onto the wall for forming a large area of indicating pattern, and this can replace a night light. The drawback of a luminous region in prior art which is limited to be on the switch body or on the switch panel is solved.
    Type: Application
    Filed: October 14, 2011
    Publication date: November 22, 2012
    Applicant: National Taiwan University of Science and Technology
    Inventors: Hung-Jung Lin, Shao-Lun Chao, En-Chuan Tsui, Wen-chih Chang, Rung-Huei Liang