Patents by Inventor Cheol U. Choi

Cheol U. Choi 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).

  • Patent number: 8438878
    Abstract: A control unit of a laundry treatment apparatus is provided in which shaking of a knob may be reduced or prevented and a tactile manipulation response of the knob may be improved. The control unit may include a board provided in a control panel of the laundry treatment apparatus, an encoder mounted in the board and having a projected rotation shaft, a supporter mounted in the board or the control panel and having a hollow unit disposed outside the rotation shaft, a knob having a connecting shaft coupled to the rotation shaft, and a bushing mounted in the hollow unit and rotatably supporting at least one of the connecting shaft or the rotation shaft.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: May 14, 2013
    Assignee: LG Electronics Inc.
    Inventors: Cheol U. Choi, Dong Woo Kang
  • Publication number: 20100043499
    Abstract: The present invention relates to a control unit of a laundry treatment apparatus and, more particularly, to a control unit of a laundry treatment apparatus, in which shaking of a knob can be prevented and a feeling of manipulation of the knob can be improved when the knob is manipulated. The control unit of a laundry treatment apparatus includes a board provided in a control panel of the laundry treatment apparatus, an encoder mounted in the board and having a projected rotation shaft, a supporter mounted in the board or the control panel and having a hollow unit disposed outside the rotation shaft, a knob having a connecting shaft coupled to the rotation shaft, and a busing mounted in the hollow unit and rotatably supporting at least one of the connecting shaft and the rotation shaft.
    Type: Application
    Filed: October 12, 2006
    Publication date: February 25, 2010
    Inventors: Cheol U. Choi, Dong Woo Kang