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:
Apr. 14, 2020
Filed:
May. 15, 2018
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Chuanan Zhang, Chengdu, CN;
Yi Chen, Chengdu, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, Guangdong, CN;
Abstract
A filter unit and a filter are disclosed. The filter unit includes two stacked cavities. Each cavity includes a dielectric substrate, and two surfaces of the dielectric substrate are each provided with a metal covering layer. Connected coupling slots and a row of metal slots parallel to the coupling slots are etched on a metal covering layer. One end of a coupling slot is an open end, and the other end is a closed end. The open end corresponds to a magnetic wall structure, and the closed end corresponds to an electric wall structure. The two cavities are coupled and connected by using the coupling slots.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile