Patents by Inventor Kwanil Oh

Kwanil Oh 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: 11949268
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 2, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
  • Publication number: 20230114618
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
  • Patent number: 11527901
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 13, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Youngjin Lee, Jaeseung Kim, Gilchoun Yeom, Kwanil Oh, Hyeoncheol Jeong, Seunglim Choi
  • Publication number: 20210143656
    Abstract: Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.
    Type: Application
    Filed: January 22, 2018
    Publication date: May 13, 2021
    Inventors: Youngjin LEE, Jaeseung KIM, Gilchoun YEOM, Kwanil OH, Hyeoncheol JEONG, Seunglim CHOI
  • Patent number: 10319967
    Abstract: A battery module includes a bus bar; and a plurality of battery packs electrically connected to each other by the bus bar and arranged in front and rear directions, wherein each of the plurality of battery packs comprises a front polarity display part and a rear polarity display part that display polarities of terminals in front and rear positions of the terminals, wherein the front polarity display part and the rear polarity display part are formed to have different heights.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Daepyo Lee, Kwanil Oh, Heuisang Yoon, Woonseong Baek
  • Publication number: 20170104196
    Abstract: A battery module includes a bus bar; and a plurality of battery packs electrically connected to each other by the bus bar and arranged in front and rear directions, wherein each of the plurality of battery packs comprises a front polarity display part and a rear polarity display part that display polarities of terminals in front and rear positions of the terminals, wherein the front polarity display part and the rear polarity display part are formed to have different heights.
    Type: Application
    Filed: September 27, 2016
    Publication date: April 13, 2017
    Inventors: Daepyo Lee, Kwanil Oh, Heuisang Yoon, Woonseong Baek
  • Patent number: 7973492
    Abstract: A power supply of a plasma display device includes a power source unit configured to convert a direct current source into an alternating current source, a transformer including a primary side winding electrically coupled to the power source unit and a secondary side winding having a first winding and a second winding, a sustain power supply electrically coupled to the first winding of the secondary side of the transformer, the sustain power supply configured to output a first voltage to a first voltage output terminal, and an address power supply electrically coupled to the second winding of the secondary side and serially connected to the sustain power supply, the address power supply configured to output a second voltage to a second voltage output terminal.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: July 5, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kwanil Oh
  • Publication number: 20090106566
    Abstract: A power supply of a plasma display device includes a power source unit configured to convert a direct current source into an alternating current source, a transformer including a primary side winding electrically coupled to the power source unit and a secondary side winding having a first winding and a second winding, a sustain power supply electrically coupled to the first winding of the secondary side of the transformer, the sustain power supply configured to output a first voltage to a first voltage output terminal, and an address power supply electrically coupled to the second winding of the secondary side and serially connected to the sustain power supply, the address power supply configured to output a second voltage to a second voltage output terminal.
    Type: Application
    Filed: September 23, 2008
    Publication date: April 23, 2009
    Inventor: Kwanil Oh