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.

Date of Patent:
Feb. 20, 2024

Filed:

Dec. 31, 2020
Applicant:

Smarter Microelectronics (Guang Zhou) Co., Ltd., Guangzhou, CN;

Inventors:

Qiang Su, Guangzhou, CN;

Jiangtao Yi, Guangzhou, CN;

Guoguo Yan, Guangzhou, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/50 (2006.01); H01Q 1/52 (2006.01); H01Q 1/48 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/52 (2013.01); H01Q 1/48 (2013.01); H01Q 1/50 (2013.01);
Abstract

A switch circuit includes an antenna port and at least one switch branch. Each branch includes a first, a second, and a third switches. The antenna port has one end connected with an antenna, and another end electrically connected with one end of the first switch of each branch respectively. The other end of the first switch of each branch is electrically connected with one end of the second switch corresponding to each branch and one end of the third switch corresponding to each branch respectively; the other end of each of the second switch corresponding to each branch is connected with a ground terminal; the other end of each of the third switch corresponding to each branch is electrically connected with one end of a load corresponding to each branch; and the other end of the load corresponding to each branch is connected with the ground terminal.


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