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:
Jan. 20, 2026
Filed:
Nov. 29, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Fumihide Goto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A communication apparatus capable of performing multilink communication conforming to the IEEE802.11 standard series, the communication apparatus includes an establishment unit configured to establish a link with another communication apparatus, and a first sharing unit configured to share, in a case where the establishment unit establishes a first link and a second link between the communication apparatus and the another communication apparatus, a PTK (Pairwise Transient Key) for encryption of unicast communication by 4 Way Handshake processing that is performed with the another communication apparatus in the first link, wherein, in the second link, the PTK is used to encrypt unicast communication in the second link without performing the 4 Way Handshake processing.