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. 01, 2025
Filed:
Dec. 31, 2020
Applicant:
Shanghai Chuanggong Telecom Technology Co., Ltd., Shanghai, CN;
Inventors:
Zhongjie Qin, Shanghai, CN;
Zhichao Zhang, Shanghai, CN;
Assignee:
SHANGHAI CHUANGGONG TELECOM TECHNOLOGY CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 13/18 (2006.01); H01P 1/207 (2006.01); H01Q 1/24 (2006.01); H01Q 1/48 (2006.01); H01Q 1/52 (2006.01);
U.S. Cl.
CPC ...
H01Q 13/18 (2013.01); H01P 1/207 (2013.01); H01Q 1/242 (2013.01); H01Q 1/48 (2013.01); H01Q 1/52 (2013.01);
Abstract
An antenna system according to an embodiment of the present disclosure includes an antenna unit and a metal cavity corresponding to the antenna unit. The metal cavity is grounded and provided with an opening connected with the outside. By introducing the metal cavity, an embodiment of the present invention solves the problem of multi-band mutual coupling caused by a common ground current by using the cavity filter structure with a small size.