Patents by Inventor CHING-HSIUNG MAO

CHING-HSIUNG MAO 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: 9231501
    Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: January 5, 2016
    Assignee: FOXNUM TECHNOLOGY CO., LTD.
    Inventors: Ching-Hsiung Mao, Chih-Jung Liu
  • Publication number: 20140176025
    Abstract: An energy retrieving device includes a first rectifier circuit, a direct current (DC) link circuit, a second rectifier circuit, an energy retrieving unit, a motor controller, and a micro control unit (MCU). The MCU includes an energy retrieving control module, to control the energy retrieving unit to work according to control of a processing module. The processing module detects whether a motor deceleration signal is generated by the motor, and controls the energy retrieving control module to make the energy retrieving unit retrieve power when the motor deceleration signal is generated by the motor.
    Type: Application
    Filed: September 11, 2013
    Publication date: June 26, 2014
    Applicant: FOXNUM TECHNOLOGY CO., LTD.
    Inventors: CHING-HSIUNG MAO, CHIH-JUNG LIU