Patents by Inventor Kawn Seek KIM

Kawn Seek KIM 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).

  • Electronic stability control system, and method for detecting a fault of motor freewheeling FET circuit
    Patent number: 9531306
    Abstract: Disclosed herein is an electronic stability control system including: a motor driver configured to include a motor switch for driving a motor unit depending on a PWM signal and a freewheeling switch and a reverse protection switch for checking whether the motor unit is normally operated; and a controller configured to turn off all of the motor switch, the freewheeling switch, and the reverse protection switch, turn off only the motor switch and the reverse protection switch, or turn off only the motor switch and the freewheeling switch, apply a diagnostic current, and then detect a fault state of the freewheeling switch or the reverse protection switch, or the freewheeling switch and the reverse protection switch by using a voltage detector.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: December 27, 2016
    Assignee: MANDO CORPORATION
    Inventors: Jung Wook Seo, Kawn Seek Kim, Chang Woo Lee
  • ELECTRONIC STABILITY CONTROL SYSTEM, AND METHOD FOR DETECTING A FAULT OF MOTOR FREEWHEELING FET CIRCUIT
    Publication number: 20150340978
    Abstract: Disclosed herein is an electronic stability control system including: a motor driver configured to include a motor switch for driving a motor unit depending on a PWM signal and a freewheeling switch and a reverse protection switch for checking whether the motor unit is normally operated; and a controller configured to turn off all of the motor switch, the freewheeling switch, and the reverse protection switch, turn off only the motor switch and the reverse protection switch, or turn off only the motor switch and the freewheeling switch, apply a diagnostic current, and then detect a fault state of the freewheeling switch or the reverse protection switch, or the freewheeling switch and the reverse protection switch by using a voltage detector.
    Type: Application
    Filed: May 21, 2015
    Publication date: November 26, 2015
    Inventors: Jung Wook SEO, Kawn Seek Kim, Chang Woo Lee
  • Electric bicycle driving apparatus
    Patent number: 9083270
    Abstract: Disclosed is an electric-bicycle driving apparatus.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: July 14, 2015
    Assignee: MANDO CORPORATION
    Inventors: Hong Youp Son, Kawn Seek Kim
  • ELECTRIC BICYCLE DRIVING APPARATUS
    Publication number: 20140077740
    Abstract: Disclosed is an electric-bicycle driving apparatus.
    Type: Application
    Filed: November 21, 2012
    Publication date: March 20, 2014
    Applicant: MANDO CORPORATION
    Inventors: Hong Youp SON, Kawn Seek KIM