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:
Jul. 23, 2024
Filed:
Mar. 05, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Fumihide Goto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A communication apparatus receives a communication parameter for wireless communication with a first communication apparatus via a wireless network from a second communication apparatus, generates encryption key information to be shared with the first communication apparatus based on the received communication parameter, acquires an expiration date for connection to the wireless network from the received communication parameter, connects to the first communication apparatus via the wireless network using the generated encryption key information, and determines whether the acquired expiration date has passed and restricts connection to the first communication apparatus using the encryption key information in a case where the expiration date has passed.