Patents by Inventor Ui Jong Song

Ui Jong Song 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).

  • Publication number: 20170060321
    Abstract: A touch input sensing device includes a sensing electrode, a driver configured to apply a driving signal to the sensing electrode, and a sensor configured to sense a touch input from the sensing electrode and to operate at a frequency higher than that of the driving signal.
    Type: Application
    Filed: April 15, 2016
    Publication date: March 2, 2017
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Moon Suk JEONG, Ui Jong SONG, Yong Il KWON
  • Patent number: 9312756
    Abstract: A charge pump system may include a charge pump including a plurality of boosting units boosting an input voltage input to an input terminal multiple times depending on clock signals and outputting the boosted voltage to an output terminal; and a charge pump protection circuit including a series resistor unit disposed between the output terminal and a ground and including a plurality of resistors connected to each other in series. A portion of the plurality of resistors are disposed in parallel to a portion of the plurality of boosting units.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: April 12, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Tah Joon Park, Ui Jong Song
  • Publication number: 20150364992
    Abstract: A charge pump system may include a charge pump including a plurality of boosting units boosting an input voltage input to an input terminal multiple times depending on clock signals and outputting the boosted voltage to an output terminal; and a charge pump protection circuit including a series resistor unit disposed between the output terminal and a ground and including a plurality of resistors connected to each other in series. A portion of the plurality of resistors are disposed in parallel to a portion of the plurality of boosting units.
    Type: Application
    Filed: September 9, 2014
    Publication date: December 17, 2015
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong II KWON, Tah Joon Park, Ui Jong Song