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:
Nov. 10, 2009
Filed:
Sep. 30, 2004
Hong-sung Chang, Suwon-si, KR;
Tae-won Kim, Yongin-si, KR;
Sang-do Lee, Suwon-si, KR;
Geun-hwi Lim, Seongnam-si, KR;
Hong-Sung Chang, Suwon-si, KR;
Tae-Won Kim, Yongin-si, KR;
Sang-Do Lee, Suwon-si, KR;
Geun-Hwi Lim, Seongnam-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A system for providing communication when a mobile station moves between a wireless LAN system and a mobile communication system. A packet data service node provides a packet data service between an IP network and the mobile station when the mobile station accesses the mobile communication system. A packet control function provides the packet data service between a correspondent node connected to the IP network and the mobile station when the mobile station previously connected to the mobile communication system is connected to an access point, and provides the packet data service between the correspondent node connected to the IP network and the mobile station when the mobile station previously connected to the access point is connected to a base station system. An interworking server connected between the access point of the wireless LAN system and the packet control function of the mobile communication system.