Patents by Inventor Chun Sik Chung

Chun Sik Chung 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).

  • Battery state-of-charge estimation method and battery management system
    Patent number: 10295604
    Abstract: Provided are a battery state-of-charge (SOC) estimation method and a battery management system which are capable of estimating an SOC using an inexpensive processor and a small-capacity memory. The SOC estimation method includes an SOC table creation step, an SOC calculation step, an SOC comparison step, and a processing step. The battery management system includes a battery, a sensing resistor, a control switch unit, and a processor.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: May 21, 2019
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Hyung Seog Oh, Ju Pyo Hong, Chun Sik Chung, Yong Goo Kim, Jae Wan Kim, Chol Ho Kim, Moon Young Kim, Jun Ho Kim, Jin Sik Park
  • Management system and estimating method for battery parameter
    Patent number: 9316697
    Abstract: The present invention relates to a battery parameter management system and a battery parameter estimation method which are capable of simply estimating parameters of elements forming a battery equivalent model having a simple structure. The battery parameter system includes an amperemeter, a voltmeter, a control switch unit, and a processor, and the battery parameter estimation method includes supplying a pulse current, estimating resistance of an internal resistor, estimating capacitance of an internal capacitor, and estimating parameters of dynamic elements.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 19, 2016
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Hyung Seog Oh, Ju Pyo Hong, Chun Sik Chung, Yong Goo Kim, Jae Wan Kim, Chol Ho Kim, Moon Young Kim, Jun Ho Kim, Jin Sik Park