Patents by Inventor Wong Kui Hang

Wong Kui Hang 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: 7207688
    Abstract: An interactive shoe light device includes at least one power source, at least one motion switch to generate an activation signal in response to an electrical engagement within the motion switch, the activation signal indicating at least duration of electrical engagement within the motion switch, an integrated circuit functioning as a controller, the integrated circuit electrically connected to the motion switch to receive the activation signal, and lighting elements electrically connected to the integrated circuit. The lighting elements are selectively actuated by the integrated circuit to illuminate the lighting elements in one or more predetermined illumination patterns depending on the duration of electrical engagement indicated by the activation signal. For a short duration, all lighting elements flash in a flashing pattern for a pre-determined period. For a long duration, only one lighting element lights up and continues for a few seconds after the switch is opened.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: April 24, 2007
    Inventors: Wong Wai Yuen, Wong Kui Hang