Patents by Inventor Gyongjin Oh

Gyongjin 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).

  • Battery pack protection device and method
    Patent number: 9774196
    Abstract: Disclosed are a battery pack protection device and method. The battery pack protection device includes: a sensing unit configured to sense an overcharging state or an overdischarging state of a battery; a plurality of switches installed on a charging path and a discharging path of the battery; a control unit configured to control the plurality of switches so that the battery is both chargeable and dischargeable when the battery is not in the overcharging state or the overdischarging state and control the plurality of switches so that the battery is only dischargeable during overcharging or only chargeable during overdischarging by an output signal of the sensing unit; and a display unit configured to display the charging state or the discharging state of the battery.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: September 26, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Seoung Mun Baek, Young Bo Cho, Gyongjin Oh
  • BATTERY PACK PROTECTION DEVICE AND METHOD
    Publication number: 20150256006
    Abstract: Disclosed are a battery pack protection device and method. The battery pack protection device includes: a sensing unit configured to sense an overcharging state or an overdischarging state of a battery; a plurality of switches installed on a charging path and a discharging path of the battery; a control unit configured to control the plurality of switches so that the battery is both chargeable and dischargeable when the battery is not in the overcharging state or the overdischarging state and control the plurality of switches so that the battery is only dischargeable during overcharging or only chargeable during overdischarging by an output signal of the sensing unit; and a display unit configured to display the charging state or the discharging state of the battery.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 10, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Seoung Mun Baek, Young Bo Cho, Gyongjin Oh