Patents by Inventor Cheong M. Lee

Cheong M. Lee 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).

  • Convergence correcting device
    Patent number: 5274308
    Abstract: A convergence correcting device is disclosed in which a first correcting element varies an inductance of horizontal correcting coils so as to correct a misconvergence in a saturable region of a flux generated according to the horizontal correcting coils of the saturable reactor, and the second correcting element corrects a misconvergence by increasing a flux density at the vertical side of the saturable reactor after focusing magnetic fields generated from vertical correcting coils and the magnet.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: December 28, 1993
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae J. Park, Cheong M. Lee