Patents by Inventor Yongchul AU

Yongchul AU 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).

  • Automatic winding module of wire for bluetooth headset with improved wear resistance function of rotation axis
    Patent number: 10149035
    Abstract: An automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis, which firmly maintains a rotation axis without twist of the rotation axis even in case of using it for a long time, thereby preventing breakaway between a terminal and a PCB pattern, to prevent a short circuit from occurring.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: December 4, 2018
    Assignee: BLUECOM CO., LTD.
    Inventors: Hyunyoung Song, Yongchul Au, Beomseok Kim
  • AUTOMATIC WINDING MODULE OF WIRE FOR BLUETOOTH HEADSET WITH IMPROVED WEAR RESISTANCE FUNCTION OF ROTATION AXIS
    Publication number: 20180063622
    Abstract: An automatic winding module of a wire for Bluetooth headset with an improved wear resistance function of a rotation axis, which firmly maintains a rotation axis without twist of the rotation axis even in case of using it for a long time, thereby preventing breakaway between a terminal and a PCB pattern, to prevent a short circuit from occurring.
    Type: Application
    Filed: February 21, 2017
    Publication date: March 1, 2018
    Applicant: BLUECOM CO., LTD.
    Inventors: Hyunyoung SONG, Yongchul AU, Beomseok KIM