The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 2022
Filed:
Sep. 17, 2019
China Leadshine Technology Co., Ltd., Guangdong, CN;
Weiping Li, Guangdong, CN;
Jianhua Lin, Guangdong, CN;
Zhouyong Zhu, Guangdong, CN;
Tiansheng Tian, Guangdong, CN;
Weili He, Guangdong, CN;
Abstract
A closed-loop stepper motor control system, drive device and automation device, wherein the system comprises a microprocessor () compatible with EtherCAT communication protocol functions, an external interface circuit () connected to the said microprocessor () and communication interface unit (); the said microprocessor () is also connected to a drive circuit (), current testing circuit (), as well as an encoder feedback circuit (); the said communication interface unit () is mutually connected to the said microprocessor () through the physical layer communication circuit (); the said microprocessor () is also mutually connected to the power supply circuit () that provides stable power supply voltage.