Patents by Inventor Sang-Kyeom KIM

Sang-Kyeom KIM 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).

  • Delay locked loop circuit and method of operating a delay locked loop circuit
    Patent number: 10680593
    Abstract: A delay locked loop circuit includes a duty detector configured to detect a duty cycle of a clock signal, and to determine whether to perform a coarse duty cycle correction based on the detected duty, and a delay locked loop core. The delay locked loop core is configured to selectively perform the coarse duty cycle correction for the clock signal according to the determination of the duty detector, perform a coarse lock for the clock signal during a first time period different from a second time period in which the coarse duty cycle correction is performed, and perform a fine duty cycle correction and a fine lock for the clock signal.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Kyeom Kim, Won-Joo Yun, SukYong Kang, Ho-Jun Chang
  • DELAY LOCKED LOOP CIRCUIT AND METHOD OF OPERATING A DELAY LOCKED LOOP CIRCUIT
    Publication number: 20190181848
    Abstract: A delay locked loop circuit includes a duty detector configured to detect a duty cycle of a clock signal, and to determine whether to perform a coarse duty cycle correction based on the detected duty, and a delay locked loop core. The delay locked loop core is configured to selectively perform the coarse duty cycle correction for the clock signal according to the determination of the duty detector, perform a coarse lock for the clock signal during a first time period different from a second time period in which the coarse duty cycle correction is performed, and perform a fine duty cycle correction and a fine lock for the clock signal.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 13, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-Kyeom KIM, Won-Joo Yun, SukYong Kang, Ho-Jun Chang