Patents by Inventor Chao-Kuo Hou

Chao-Kuo Hou 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: 5018056
    Abstract: A kite for use at night having a plurality of electrical (LED) lamps disposed on face of the kite. A control box is connected and proximate the kite at the end of a kite line. The control box includes a battery power supply, a mercury switching circuit and a harmonic oscillating circuit. The mercury switching circuit comprises a chamber containing a mercury ball movable between a plurality of switching positions. The electrical lamps are arranged in discrete groups of geometrical shapes and selectively energized by the mercury ball occupying a particular one of the switching positions in response to the lateral movement of the kite.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: May 21, 1991
    Inventor: Chao-Kuo Hou