Patents by Inventor Jun Bo SHIM

Jun Bo SHIM 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).

  • Analog-digital converter, readout circuit and CIS including the same
    Patent number: 10306171
    Abstract: An analog-digital converter may include: an analog-digital converter comprising: a ramp signal selection unit suitable for receiving ramp signals having different offsets, and sequentially selecting one of the ramp signals according to a preset order; a comparison unit suitable for comparing the magnitudes of the selected ramp signal with a pixel signal, and outputting a comparison signal according to the comparison result; and a counting unit suitable for counting the number of clocks of a clock signal until the comparison signal transitions, and outputting a count signal based on the count when the comparison signal transitions.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: May 28, 2019
    Assignees: SK hynix Inc., Industry-University Cooperation Foundation Hanyang University
    Inventors: Sang Dong Yoo, Min Kyu Kim, Jun Bo Shim
  • ANALOG-DIGITAL CONVERTER, READOUT CIRCUIT AND CIS INCLUDING THE SAME
    Publication number: 20180198999
    Abstract: An analog-digital converter may include: an analog-digital converter comprising: a ramp signal selection unit suitable for receiving ramp signals having different offsets, and sequentially selecting one of the ramp signals according to a preset order; a comparison unit suitable for comparing the magnitudes of the selected ramp signal with a pixel signal, and outputting a comparison signal according to the comparison result; and a counting unit suitable for counting the number of clocks of a clock signal until the comparison signal transitions, and outputting a count signal based on the count when the comparison signal transitions.
    Type: Application
    Filed: May 25, 2017
    Publication date: July 12, 2018
    Inventors: Sang Dong YOO, Min Kyu KIM, Jun Bo SHIM