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. 02, 2017
Filed:
Jun. 18, 2012
Yue Wang, Beijing, CN;
Hao LI, Beijing, CN;
Dong Wang, Beijing, CN;
Hiroshi Miyata, Tokyo, JP;
Yokogawa Electric Corporation, Musashino-Shi, Tokyo, JP;
Abstract
The present invention provides an access point device and system for a wireless local area network, and related methods thereof. On the access point device, a same ESS is divided into a plurality of VLANs, wherein the access point device comprises a broadcast key management module which is used for managing broadcast keys encrypting broadcast information and a broadcast key storage device which is used for storing the broadcast keys. The broadcast keys are stored in the broadcast key storage device in a way of corresponding to VLAN IDs of the VLANs, and the broadcast key management module can obtain the corresponding broadcast keys through the VLAN IDs.