Patents by Inventor Eui Kyung OH

Eui Kyung OH 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).

  • Level shifter
    Patent number: 8456216
    Abstract: A level shifter includes a driving signal generating unit, a driving unit, and a current path forming unit. The driving signal generating unit is configured to generate a pull-up signal and a pull-down signal in response to an input signal, which may swing between a first high level and a first low level. The driving unit is configured to generate an output signal swinging between a second high level and a second low level in response to the pull-up signal and the pull-down signal. The current path forming unit is configured to form a current path between the pull-up signal and the pull-down signal in response to the pull-up signal and the pull-down signal.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: June 4, 2013
    Assignee: SK Hynix Inc.
    Inventor: Eui Kyung Oh
  • LEVEL SHIFTER
    Publication number: 20120133415
    Abstract: A level shifter includes a driving signal generating unit, a driving unit, and a current path forming unit. The driving signal generating unit is configured to generate a pull-up signal and a pull-down signal in response to an input signal, which may swing between a first high level and a first low level. The driving unit is configured to generate an output signal swinging between a second high level and a second low level in response to the pull-up signal and the pull-down signal. The current path forming unit is configured to form a current path between the pull-up signal and the pull-down signal in response to the pull-up signal and the pull-down signal.
    Type: Application
    Filed: June 15, 2011
    Publication date: May 31, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Eui Kyung OH