Patents by Inventor Jong-Ki Kwon

Jong-Ki Kwon 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).

  • Multiplying digital to analog converter and multipath pipe line analog to digital converter using the same
    Patent number: 7116255
    Abstract: A multiplying digital to analog converter comprising a digital to analog converter having a plurality of capacitors coupled in parallel, applying first signals to the capacitors during a sampling period, and applying second signals to the capacitors during an amplifying period, and an amplifier including a first amplifier electrically coupled to the digital to analog converter; a second amplifier electrically coupled to the first amplifier; and a first switch electrically coupled between an input end and an output end of the second amplifier, being turned off during a sampling period, and being turned off during an amplifying period.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: October 3, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Chul Lee, Kwi-Dong Kim, Gyu-Hyun Kim, Jong-Ki Kwon, Jong-Dae Kim
  • Multiplying digital to analog converter and multipath pipe line analog to digital converter using the same
    Publication number: 20060109154
    Abstract: A multiplying digital to analog converter comprising a digital to analog converter having a plurality of capacitors coupled in parallel, applying first signals to the capacitors during a sampling period, and applying second signals to the capacitors during an amplifying period, and an amplifier including a first amplifier electrically coupled to the digital to analog converter; a second amplifier electrically coupled to the first amplifier; and a first switch electrically coupled between an input end and an output end of the second amplifier, being turned off during a sampling period, and being turned off during an amplifying period.
    Type: Application
    Filed: June 14, 2005
    Publication date: May 25, 2006
    Inventors: Seung-Chul Lee, Kwi-Dong Kim, Gyu-Hyun Kim, Jong-Ki Kwon, Jong-Dae Kim