Patents by Inventor Hung-Chie Tsai

Hung-Chie 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).

  • Self-powered computerized advertisement board
    Patent number: 4805329
    Abstract: A self-powered computerized advertisement board is disclosed which utilizes a plurality of wind-driven illuminating units to provide the requisite electrical power. The invention includes an electrical power handling circuit and a control circuit to store and distribute the electrical power and to control the illumination of the bulbs associated with the wind-driven illuminating units.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: February 21, 1989
    Inventor: Hung-Chie Tsai