Patents by Inventor Weili He

Weili He 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).

  • Closed-loop stepper motor control system, drive device and automation device
    Patent number: 11463031
    Abstract: A closed-loop stepper motor control system, drive device and automation device, wherein the system comprises a microprocessor (1) compatible with EtherCAT communication protocol functions, an external interface circuit (2) connected to the said microprocessor (1) and communication interface unit (3); the said microprocessor (1) is also connected to a drive circuit (4), current testing circuit (5), as well as an encoder feedback circuit (6); the said communication interface unit (3) is mutually connected to the said microprocessor (1) through the physical layer communication circuit (31); the said microprocessor (1) is also mutually connected to the power supply circuit (7) that provides stable power supply voltage.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: October 4, 2022
    Inventors: Weiping Li, Jianhua Lin, Zhouyong Zhu, Tiansheng Tian, Weili He
  • Closed-Loop Stepper Motor Control System, Drive Device And Automation Device.
    Publication number: 20210336571
    Abstract: A closed-loop stepper motor control system, drive device and automation device, wherein the system comprises a microprocessor (1) compatible with EtherCAT communication protocol functions, an external interface circuit (2) connected to the said microprocessor (1) and communication interface unit (3); the said microprocessor (1) is also connected to a drive circuit (4), current testing circuit (5), as well as an encoder feedback circuit (6); the said communication interface unit (3) is mutually connected to the said microprocessor (1) through the physical layer communication circuit (31); the said microprocessor (1) is also mutually connected to the power supply circuit (7) that provides stable power supply voltage.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 28, 2021
    Applicant: CHINA LEADSHINE TECHNOLOGY CO., LTD.
    Inventors: Weiping Li, Jianhua Lin, Zhouyong Zhu, Tiansheng Tian, Weili He