Patents by Inventor Hejin Yang

Hejin Yang 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).

  • MOTOR DRIVE CONTROLLER
    Publication number: 20150012140
    Abstract: According to one aspect, there is provided a motor drive controller for use in a network of motor drive controllers, the motor drive controller comprising: a sensor configured to detect a status of a network controller controlling operation of the network of motor drive controllers; and a processor configured to enter into a slave operation mode, in which the processor receives operating instructions from the network controller, or a master operation mode, in which the processor provides operating instructions to the network of motor drive controllers, wherein the processor is further configured to receive the status of the network controller from the sensor and select the master operation mode when the network controller is inactive.
    Type: Application
    Filed: May 19, 2014
    Publication date: January 8, 2015
    Applicant: Pteris Global Limited
    Inventors: Xingming Fang, Kok Leng Lim, La Pyi Wunn Kyaw, Xuepei Wu, Hejin Yang