Patents by Inventor Han-Gyu Yang

Han-Gyu Yang 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: 20060152356
    Abstract: A disaster prevention system using a wireless digital communication is disclosed. The object of the present invention is capable of outputting a fire alarm when a fire occurs, displaying a location of the fire, and also driving an initial fire fighting device installed at the location of the fire so that the fire can be rapidly suppressed while still in its initial stage. It is another object of the present invention to provide a disaster prevention system using wireless communication capable of providing convenience of construction and reducing construction costs. It is a further object of the present invention to provide a disaster prevention system using wireless communication capable of stably operating even if an external AC power source is not supplied thereto.
    Type: Application
    Filed: June 25, 2004
    Publication date: July 13, 2006
    Inventors: Han-Gyu Yang, Jang-Seop Kim