Patents by Inventor Zhouyong Zhu

Zhouyong Zhu 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).

  • 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
  • Publication number: 20210320600
    Abstract: A stepper motor driver with brake drive, a drive device and an automation device are disclosed. The stepper motor driver comprises a microprocessor (1) embedded with a communication protocol, an external interface unit (3) mutually connected to the microprocessor (1) and a communication interface circuit (2); the microprocessor (1) is also connected to a drive control circuit (4) and a brake device (5), and the brake device (5) is mutually connected to the external interface unit (3); the microprocessor (1) is also mutually connected to a power supply circuit (13) that provides a stable power supply voltage. The stepper motor driver has such advantages as simple structure, high capacity to resist interference, high effectiveness, low cost, and ease in maintenance.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 14, 2021
    Applicant: CHINA LEADSHINE TECHNOLOGY CO., LTD.
    Inventors: Zhouyong Zhu, Jun Qin, Jianhua Lin, Weiping Li, Tiansheng Tian