Patents by Inventor YI-NAN LAI

YI-NAN LAI 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).

  • Direct current uninterruptible power supply system and device
    Patent number: 9647492
    Abstract: A DC uninterruptible power supply system includes plural uninterruptible power supply devices, each of which includes a power cord, a battery module, a voltage detecting circuit, a current detecting circuit, and a control unit. When the voltage detecting circuit detects that a voltage at the power cord is lower than a first preset value, the control unit controls the battery module to output electrical power to the power cord. When the current detecting circuit detects that current of another uninterruptible power supply device is smaller than a second preset value, the control unit controls a switch to permit current flow to the another uninterruptible power supply device.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: May 9, 2017
    Assignees: Lite-On Electronics (Guangzhou) Limited, Lite-On Technology Corp.
    Inventors: Liang-Chun Lin, Yi-Nan Lai, Wei-Lieh Lai, Ming-Wang Cheng
  • DIRECT-CURRENT UNINTERRUPTIBLE POWER SUPPLY SYSTEM AND DEVICE
    Publication number: 20150021989
    Abstract: A DC uninterruptible power supply system includes plural uninterruptible power supply devices, each of which includes a power cord, a battery module, a voltage detecting circuit, a current detecting circuit, and a control unit. When the voltage detecting circuit detects that a voltage at the power cord is lower than a first preset value, the control unit controls the battery module to output electrical power to the power cord. When the current detecting circuit detects that current of another uninterruptible power supply device is smaller than a second preset value, the control unit controls a switch to permit current flow to the another uninterruptible power supply device.
    Type: Application
    Filed: April 7, 2014
    Publication date: January 22, 2015
    Applicants: LITE-ON TECHNOLOGY CORP., LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
    Inventors: LIANG-CHUN LIN, YI-NAN LAI, WEI-LIEH LAI, MING-WANG CHENG