Patents by Inventor Woo-Rham BAE

Woo-Rham BAE 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).

  • Receiver, system including the same, and calibration method thereof
    Patent number: 9059825
    Abstract: A receiver includes a fixed delay unit configured to delay a first clock signal received from a clock channel by a predetermined time and output a second clock signal; a first delay unit configured to delay the first clock signal in response to a first control signal; a first data sampler configured to sample a data signal received from a data channel in response to an output signal of the first delay unit and output a first data signal; a second delay unit configured to delay the first data signal in response to a second control signal and output a second data signal; a second data sampler configured to sample the second data signal in response to the second clock signal; and a delay controller configured to output the first control signal and the second control signal.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: June 16, 2015
    Assignees: SK HYNIX INC., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Han-Kyu Chi, Taek-Sang Song, Seok-Min Ye, Gi-Moon Hong, Woo-Rham Bae, Min-Seong Chu, Deog-Kyoon Jeong, Su-Hwan Kim
  • RECEIVER, SYSTEM INCLUDING THE SAME, AND CALIBRATION METHOD THEREOF
    Publication number: 20150139289
    Abstract: A receiver includes a fixed delay unit configured to delay a first clock signal received from a clock channel by a predetermined time and output a second clock signal; a first delay unit configured to delay the first clock signal in response to a first control signal; a first data sampler configured to sample a data signal received from a data channel in response to an output signal of the first delay unit and output a first data signal; a second delay unit configured to delay the first data signal in response to a second control signal and output a second data signal; a second data sampler configured to sample the second data signal in response to the second clock signal; and a delay controller configured to output the first control signal and the second control signal.
    Type: Application
    Filed: September 26, 2014
    Publication date: May 21, 2015
    Inventors: Han-Kyu CHI, Taek-Sang SONG, Seok-Min YE, Gi-Moon HONG, Woo-Rham BAE, Min-Seong CHU, Deog-Kyoon JEONG, Su-Hwan KIM