Patents Assigned to Dongjin Trading Co., Ltd.
  • Patent number: 5684377
    Abstract: An input power control apparatus for use with an AC induction motor adjusts a firing angle to allow the motor to run at near a rated speed of the motor and then to find a minimum power point at some voltage level in a variation of the applied voltage.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: November 4, 1997
    Assignee: Dongjin Trading Co., Ltd.
    Inventors: Tae-Seung Kim, Soon-Chan Hong, Seung-Gi Jeong, Seung-Chul Lee
  • Patent number: D684643
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: June 18, 2013
    Assignee: Dongjin Trading Co., Ltd.
    Inventor: Huyn-su Kim