Patents by Inventor Yeunsook JOO

Yeunsook JOO 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).

  • INDEPENDENT TYPE INSTANTANEOUS CURRENT DETECTION PCB CT DEVICE APPLIED TO BREAKER
    Publication number: 20210335531
    Abstract: The present invention relates to an independent type instantaneous current detection PCB CT device applied to a breaker, and more particularly relates to an independent type instantaneous current detection PCB CT device including a coil pattern-based PCB type air-core coil sensor mounted on a main PCB formed in the breaker or configured independently of the breaker.
    Type: Application
    Filed: August 21, 2019
    Publication date: October 28, 2021
    Inventors: Inki RYU, Yeunsook JOO
  • CURRENT DETECTION DEVICE HAVING MULTI-LAYERED PCB CORE STRUCTURE
    Publication number: 20190154733
    Abstract: The present invention relates to a current detection device having a multi-layered PCB core structure, and more particularly, to a current detection device having a multi-layered PCB core structure, by which a coil of a conventional current detection device is replaceable to make electrical properties constant and mass production is possible.
    Type: Application
    Filed: June 20, 2017
    Publication date: May 23, 2019
    Inventor: Yeunsook JOO