Patents by Inventor Byeong Gi Jang

Byeong Gi Jang 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).

  • Patent number: 12368321
    Abstract: Provided is a power supply apparatus for self-powered device including a power module configured to supply first driving power, a sensor module configured to be operated by the first driving power, and an energy harvesting module configured to select energy power with a higher signal intensity from among energy power from energy sources and harvest energy using the selected energy power as second driving power.
    Type: Grant
    Filed: March 5, 2022
    Date of Patent: July 22, 2025
    Assignees: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon Lee, Jong Wan Jo, Young Gun Pu, Byeong Gi Jang, Dong Soo Park, Joon Hong Park, Jae Bin Kim, Yun Gwan Kim
  • Publication number: 20230283106
    Abstract: Provided is a power supply apparatus for self-powered device including a power module configured to supply first driving power, a sensor module configured to be operated by the first driving power, and an energy harvesting module configured to select energy power with a higher signal intensity from among energy power from energy sources and harvest energy using the selected energy power as second driving power.
    Type: Application
    Filed: March 5, 2022
    Publication date: September 7, 2023
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Jong Wan JO, Young Gun PU, Byeong Gi JANG, Dong Soo PARK, Joon Hong PARK, Jae Bin KIM, Yun Gwan KIM
  • Patent number: 11598793
    Abstract: A current sensor automatically adjusting an offset voltage, includes an input corrector, upon receiving a first voltage, a second voltage, and a control signal, configured to correct either one or both of the first voltage and the second voltage to reduce an absolute value of a difference between the first voltage and the second voltage based on the control signal, and output a correction result; an input amplifier configured to amplify a voltage output from the input corrector; an output amplifier configured to generate an output voltage when a voltage amplified by the input amplifier is input; a controller including a switch connected to one of voltages amplified by the input amplifier to be grounded when a difference between the first voltage and the second voltage is larger than a first threshold value; and a correction circuit controller configured to generate the control signal to input to the input corrector.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: March 7, 2023
    Assignees: SKAICHIPS CO., LTD., Research & Business Foundation Sungkyunkwan University
    Inventors: Kang Yoon Lee, Byeong Gi Jang, Jong Wan Jo, Min Young Kim, Dong Soo Park, Kyung Duk Choi, Young Gun Pu
  • Patent number: 11374581
    Abstract: A technology related to an electronic circuit, specifically, a phase locked loop or a frequency synthesizing apparatus, is disclosed. The frequency synthesizing apparatus includes an injection locked frequency divider and a replica frequency divider having the same circuit configuration as the injection locked frequency divider. A control value required for self-oscillating at a target frequency using the replica frequency divider is determined. When the injection locked frequency divider fails injection locking on a first attempt, the injection locking may be attempted using the determined control value. On the first attempt, the control value of the injection locked frequency divider may be determined and stored in advance according to a temperature and a supply voltage.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: June 28, 2022
    Assignees: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon Lee, Jong Wan Jo, Young Gun Pu, Byeong Gi Jang, Joon Hong Park, Dong Soo Park, Jae Bin Kim, Yun Gwan Kim
  • Publication number: 20220149787
    Abstract: A technology related to an electronic circuit, specifically, a phase locked loop or a frequency synthesizing apparatus, is disclosed. The frequency synthesizing apparatus includes an injection locked frequency divider and a replica frequency divider having the same circuit configuration as the injection locked frequency divider. A control value required for self-oscillating at a target frequency using the replica frequency divider is determined. When the injection locked frequency divider fails injection locking on a first attempt, the injection locking may be attempted using the determined control value. On the first attempt, the control value of the injection locked frequency divider may be determined and stored in advance according to a temperature and a supply voltage.
    Type: Application
    Filed: July 26, 2021
    Publication date: May 12, 2022
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Jong Wan JO, Young Gun PU, Byeong Gi JANG, Joon Hong PARK, Dong Soo PARK, Jae Bin KIM, Yun Gwan KIM
  • Publication number: 20220074974
    Abstract: A current sensor automatically adjusting an offset voltage, includes an input corrector, upon receiving a first voltage, a second voltage, and a control signal, configured to correct either one or both of the first voltage and the second voltage to reduce an absolute value of a difference between the first voltage and the second voltage based on the control signal, and output a correction result; an input amplifier configured to amplify a voltage output from the input corrector; an output amplifier configured to generate an output voltage when a voltage amplified by the input amplifier is input; a controller including a switch connected to one of voltages amplified by the input amplifier to be grounded when a difference between the first voltage and the second voltage is larger than a first threshold value; and a correction circuit controller configured to generate the control signal to input to the input corrector.
    Type: Application
    Filed: September 8, 2021
    Publication date: March 10, 2022
    Applicants: SKAICHIPS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Byeong Gi JANG, Jong Wan JO, Min Young KIM, Dong Soo PARK, Kyung Duk CHOI, Young Gun PU
  • Publication number: 20190181682
    Abstract: Provided is a wireless power reception device including: a gate driver for generating a gate signal for switching between a turn-on voltage and a turn-off voltage; a rectifier connected to both ends of an inductor and including FETs whose on/off states are controlled by the gate signal; a rectifier output detection unit for sensing an output value of the rectifier; and an impedance control unit for controlling an impedance of the rectifier by controlling at least one of a duty ratio of the gate signal and a turn-on voltage for turning on the FET based on the output value.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 13, 2019
    Inventors: Hak Yun KIM, Kang-Yoon LEE, Young-Jun PARK, Sung-Jin OH, Sang-Yun KIM, Byeong-Gi JANG, Seong-Mun PARK, Ki-Deok KIM
  • Patent number: 9876440
    Abstract: Disclosed herein is an active rectifier. The rectifier includes a rectifier unit, a driver unit, and a switching device control circuit unit. The rectifier unit includes first and fourth transistors configured to become conductive when the voltage of an alternating current (AC) input is negative and apply the current of the AC input to a rectifier capacitor, and second and third transistors configured to become conductive when the voltage of the AC input is positive and apply the current of the AC input to the rectifier capacitor. The driver unit outputs first to fourth drive control signals, and drives the first to fourth transistors. The switching device control circuit unit compares the first drive control signal and the second drive control signal with the AC input, and outputs switching device control signals to delay the first to fourth drive control signals based on the extents to delay.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: January 23, 2018
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Kang Yoon Lee, Seong Jin Oh, Youngoo Yang, Keum Cheol Hwang, Young Jun Park, Sang Yun Kim, Byeong Gi Jang, Jung Yeon Kim