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:
Sep. 02, 2025

Filed:

Nov. 30, 2022
Applicant:

Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;

Inventors:

Cong Xie, Beijing, CN;

Lu Shi, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/3816 (2015.01); H04B 5/72 (2024.01);
U.S. Cl.
CPC ...
H04B 1/3816 (2013.01); H04B 5/72 (2024.01);
Abstract

A communication system and an electronic device are provided. The communication system includes a processing chip and two sets of communication circuits, each set of the communication circuit includes a switch circuit, a SIM card port circuit and at least one eSIM circuit, the switch circuit includes a first terminal and at least two second terminals, in which the first terminal is connected to a communication interface of the processing chip, the at least two second terminals are respectively connected to the SIM card port circuit and the at least one eSIM circuit in one-to-one correspondence, and the first terminal of the switch circuit is switched to be connected with each second terminal.


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