Patents by Inventor Bin-Chang Lee

Bin-Chang Lee 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).

  • Entrance surveillance system
    Publication number: 20070268365
    Abstract: An entrance surveillance system comprises an image receiver, mounted on an outer side of a door wing, and a liquid crystal display (LCD), mounted on an inner side of the door wing, receiving image signals from the image receiver and displaying the image signals.
    Type: Application
    Filed: May 16, 2006
    Publication date: November 22, 2007
    Inventor: Bin-Chang Lee