Patents by Inventor Lian-Chih Chen

Lian-Chih Chen 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).

  • NAVIGATION METHOD, NAVIGATION SYSTEM AND MAP DATA DOWNLOADING METHOD FOR NAVIGATION
    Publication number: 20130304373
    Abstract: A navigation method includes steps of calculating a first coordinate of a first position; taking the first coordinate to be a center of a predetermined range and calculating a first map data within the predetermined range according to a zoom scale of a map scale; downloading the first map data from a map server; storing the first map data; using the first map data to render a first graphic user interface map corresponding to the first coordinate; and displaying the first graphic user interface map.
    Type: Application
    Filed: August 1, 2012
    Publication date: November 14, 2013
    Inventors: Tsai-Yuan Kuo, Lian-Chih Chen, Chia-Ming Liang, Chi-Fa Huang