Patents by Inventor Joong-Hoon Dokko

Joong-Hoon Dokko 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: 5892461
    Abstract: A system for providing warning notices of potentially unsafe road conditions ahead. The system includes a graphic display unit, having a plurality of light emitting pixels, for displaying a road condition ahead, a display unit driver for driving the light emitting pixels of the graphic display unit, a controller for transmitting control signals and graphic data to be displayed to the display unit driver, a plurality of manually operable switches for commanding the controller to perform a programmed operation, and a car speed sensor for detecting car speed and transmitting the detected car speed to the controller.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: April 6, 1999
    Inventor: Joong-Hoon Dokko