Patents by Inventor Hyun Gyu RYU

Hyun Gyu RYU 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: 11881805
    Abstract: The present disclosure relates to an interface circuit of a motor driving apparatus, the interface circuit comprising a power circuit unit for controlling driving of a motor, and a control panel unit which controls the power circuit unit and provides a user interface, wherein the power circuit unit further comprises a second MCU which controls a relay and an additional device unit and detects an operation state of the additional device unit, and the second MCU can communicate with a first MCU of the control panel unit via a communication line.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: January 23, 2024
    Assignee: LS ELECTRIC CO., LTD.
    Inventors: Hyun Gyu Ryu, Chun Suk Yang, Jong Wook Jeon, Min Hun Chi
  • Publication number: 20220149769
    Abstract: The present disclosure relates to an interface circuit of a motor driving apparatus, the interface circuit comprising a power circuit unit for controlling driving of a motor, and a control panel unit which controls the power circuit unit and provides a user interface, wherein the power circuit unit further comprises a second MCU which controls a relay and an additional device unit and detects an operation state of the additional device unit, and the second MCU can communicate with a first MCU of the control panel unit via a communication line.
    Type: Application
    Filed: July 11, 2019
    Publication date: May 12, 2022
    Inventors: Hyun Gyu RYU, Chun Suk YANG, Jong Wook JEON, Min Hun CHI