Patents by Inventor Kyoungchun LIM

Kyoungchun LIM 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).

  • BEAM TRACKING MODULE, FREE-SPACE QUANTUM COMMUNICATION DEVICE, AND FREE-SPACE OPTICAL COMMUNICATION DEVICE
    Publication number: 20230361884
    Abstract: Provided are a beam tracking module, a free-space quantum communication device, and a free-space optical communication device. The beam tracking module for free-space quantum communication includes a controller configured to determine a divergence angle of a reference beam on the basis of divergence angle control data, a beam path control optical part configured to output the reference beam, and a beam transmitter configured to adjust the divergence angle through the beam path control optical part so that the reference beam having the determined divergence angle is output.
    Type: Application
    Filed: May 5, 2023
    Publication date: November 9, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Minchul KIM, Chun Ju YOUN, Kap-Joong KIM, Kyoungchun LIM, Byung Seok CHOI, Joong-Seon CHOE