Patents by Inventor Nak Won LEE

Nak Won 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).

  • PHASE-FREQUENCY DETECTOR
    Publication number: 20120112805
    Abstract: A phase-frequency detector includes an up signal generating unit and a down signal generating unit. The up signal generating unit is configured to evaluate a first node to generate an up signal, precharge the first node in response to a first clock, and reset the first node in response to the first clock, the up signal, and a down signal. The down signal generating unit is configured to evaluate a second node to generate a down signal, precharge the second node in response to a second clock, and reset the second node in response to the second clock, the up signal, and the down signal.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 10, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Nak Won LEE