Patents by Inventor Tae Yeol Kwon

Tae Yeol Kwon 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).

  • Uninterruptible power supply system
    Patent number: 9837854
    Abstract: Disclosed is an uninterruptible power supply system, including a sub power supply device configured to supply or cut off sub input power to a load device; a battery configured to supply or cut off battery input power to the load device; and an uninterruptible power supply device that is electrically connected to the sub power supply device and the battery, and when main input power is selectively received and supplied to the load device or the battery input power is selectively received and supplied to the load device, determines whether the main input power and the battery input power are within a predetermined reference main input power range and reference battery input power range, and when the main input power and the battery input power are outside of the reference main input power range and the reference battery input power range, receives the sub input power and supplies the power to the load device.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: December 5, 2017
    Assignee: POSCO
    Inventors: Jun-Su Kim, Byeong Gwon Park, Hyun Seong Kim, Tae Yeol Kwon
  • Uninterruptible Power Supply System
    Publication number: 20150214780
    Abstract: Disclosed is an uninterruptible power supply system, including a sub power supply device configured to supply or cut off sub input power to a load device; a battery configured to supply or cut off battery input power to the load device; and an uninterruptible power supply device that is electrically connected to the sub power supply device and the battery, and when main input power is selectively received and supplied to the load device or the battery input power is selectively received and supplied to the load device, determines whether the main input power and the battery input power are within a predetermined reference main input power range and reference battery input power range, and when the main input power and the battery input power are outside of the reference main input power range and the reference battery input power range, receives the sub input power and supplies the power to the load device.
    Type: Application
    Filed: December 28, 2012
    Publication date: July 30, 2015
    Inventors: Jun-Su Kim, Byeong Gwon Park, Hyun Seong Kim, Tae Yeol Kwon