Patents by Inventor Wen-Chan Hsien

Wen-Chan Hsien 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).

  • Publication number: 20070279240
    Abstract: An earthquake alarm clock includes a time display device for displaying time with a beeper and a detecting device. The time display device has a guiding member, along which a movable member runs. When an earthquake takes place, the movable member runs along the guiding member and hits the detecting device. The detecting device is electrically connected the beeper to command the beeper broadcasting an alarm when the detecting device is started.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 6, 2007
    Inventors: Shin-Hua CHOW, Chih-Chien You, I-Chuan Hsu, Tien-Chung Hu, I-Huan Shih, Wen-Chan Hsien