Patents by Inventor Shyne-Jenq Wang

Shyne-Jenq Wang 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 and method for controlling same
    Patent number: 7671487
    Abstract: An uninterruptible power supply and method for controlling same are disclosed. The controlling method includes the steps of bypassing the first AC power to the output terminal via the bypass loop and the switch and converting a second AC power having a voltage, phase and frequency substantially equal to that of the first AC power by an inverter when the first AC power is normal; and switching the second AC power to the output terminal via the switch when the phase or frequency of the first AC power is changed so as to generate a difference value between the first AC power and the second AC power and the difference value is larger than a predetermined difference value.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: March 2, 2010
    Assignee: Delta Electronics, Inc.
    Inventors: Shyne-Jenq Wang, Jen-Chuan Liao, Sheng-Hsiu Lee
  • UNINTERRUPTIBLE POWER SUPPLY AND METHOD FOR CONTROLLING SAME
    Publication number: 20080252144
    Abstract: An uninterruptible power supply and method for controlling same are disclosed. The controlling method includes the steps of bypassing the first AC power to the output terminal via the bypass loop and the switch and converting a second AC power having a voltage, phase and frequency substantially equal to that of the first AC power by an inverter when the first AC power is normal; and switching the second AC power to the output terminal via the switch when the phase or frequency of the first AC power is changed so as to generate a difference value between the first AC power and the second AC power and the difference value is larger than a predetermined difference value.
    Type: Application
    Filed: February 21, 2008
    Publication date: October 16, 2008
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Shyne-Jenq Wang, Jen-Chuan Liao, Sheng-Hsiu Lee
  • Emergent power supply system and method of achieving input current balance in such system
    Patent number: 7105949
    Abstract: An emergent power supply system capable of automatically balancing the input currents of a multiplicity of backup power supply modules therein is addressed.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: September 12, 2006
    Assignee: Delta Electronics, Inc.
    Inventors: Shyne-Jenq Wang, Jen-Chuan Liao
  • Emergent power supply system and method of achieving input current balance in such system
    Publication number: 20050162792
    Abstract: An emergent power supply system capable of automatically balancing the input currents of a multiplicity of backup power supply modules therein is addressed.
    Type: Application
    Filed: January 22, 2004
    Publication date: July 28, 2005
    Inventors: Shyne-Jenq Wang, Jen-Chuan Liao