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:
May. 12, 2026
Filed:
Apr. 19, 2021
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Lei Yu, Beijing, CN;
Xiaolong Li, Beijing, CN;
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Abstract
A communication device detection method includes: broadcasting first information by a first communication device, where the first information includes a first identifier (ID) associated with a second communication device and a public key of the first communication device; receiving second information; decrypting the second information by using a private key of the first communication device; and determining that the second communication device is detected in response to determining that the second information is successfully decrypted and a second ID included in the second information has a predetermined corresponding relation with the first ID.