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:
Dec. 12, 2023
Filed:
Dec. 16, 2021
Hefei Aichuangwei Electronic Technology Co., Ltd., Hefei, CN;
Jun Pan, Hefei, CN;
Lixiang Xu, Hefei, CN;
Lixiang Wen, Hefei, CN;
Lei Qiu, Hefei, CN;
Dianwu Li, Hefei, CN;
Wei Wang, Hefei, CN;
Lei Han, Hefei, CN;
Ke Wang, Hefei, CN;
Abstract
Disclosed is a circuit for shifting a fixed ground level to a floating ground level in a motor drive system, including a floating ground high level line, a floating ground output level line, a floating ground low level line, a normal input level line, and a normal ground line that are used for characterizing an application detail. The circuit includes a controlled switching current source, a first upper current rectifier, a second upper current rectifier, a lower current rectifier, and an amplifying and shaping circuit that are integrated on a same substrate.