Patents by Inventor Hung-Ru Chen

Hung-Ru 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).

  • Positioning method for obtaining at least one underwater position of a positioning system
    Patent number: 10352705
    Abstract: A positioning method includes the steps of: obtaining a first geographic coordinate set of a first geographic position at water level in a geographic coordinate system; after a positioning system dives into water at the first geographic position, measuring acceleration in the geographic coordinate system for a predetermined time duration; calculating a displacement vector of the positioning system during the predetermined time duration; calculating an estimated coordinate set of an underwater position of the positioning system according to the displacement vector and using the first geographic coordinate set as an initial point; and outputting the estimated coordinate set to indicate the underwater position of the positioning system.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: July 16, 2019
    Assignee: DEEPBLU INC.
    Inventors: Hung-Ru Chen, You-Yu Chang
  • POSITIONING METHOD FOR OBTAINING AT LEAST ONE UNDERWATER POSITION OF A POSITIONING SYSTEM
    Publication number: 20180120113
    Abstract: A positioning method includes the steps of: obtaining a first geographic coordinate set of a first geographic position at water level in a geographic coordinate system; after a positioning system dives into water at the first geographic position, measuring acceleration in the geographic coordinate system for a predetermined time duration; calculating a displacement vector of the positioning system during the predetermined time duration; calculating an estimated coordinate set of an underwater position of the positioning system according to the displacement vector and using the first geographic coordinate set as an initial point; and outputting the estimated coordinate set to indicate the underwater position of the positioning system.
    Type: Application
    Filed: October 31, 2016
    Publication date: May 3, 2018
    Inventors: Hung-Ru CHEN, You-Yu CHANG
  • Display screen or portion thereof with animated graphical user interface
    Patent number: D791156
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: July 4, 2017
    Assignee: DEEPBLU INC.
    Inventors: Hung-Ru Chen, Kelvin Kah-Wing Chow