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:
Jul. 23, 2024
Filed:
May. 05, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
Hongbo Zhang, Dongguan, CN;
Yongjun Dai, Wuhan, CN;
Xiaosong Liu, Shenzhen, CN;
Qinghai Wang, Dongguan, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A transformer and a switch-mode power supply are provided. The transformer includes: a magnetic core structure; several windings that surround a same magnetic cylinder in the magnetic core structure in a stacked manner, where the several windings include at least one primary-side winding and at least one secondary-side winding; and an electromagnetic shielding layer that is disposed between at least two adjacent windings, where the two adjacent windings are a primary-side winding and a secondary-side winding, and the electromagnetic shielding layer is made of a magnetic material. The electromagnetic shielding layer of the transformer can suppress a noise current of the winding, to reduce noise.