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:
Mar. 04, 2014
Filed:
May. 04, 2011
Chae Hwan Cho, Gwacheon Si Gyeonggi-do, KR;
Suk Yon Kang, Seoul, KR;
Chang Seok Lee, Seoul, KR;
Jin Hyo Park, Seoul, KR;
Jong Tae Ihm, Seongnam Si Gyeonggi-do, KR;
Chae Hwan Cho, Gwacheon Si Gyeonggi-do, KR;
Suk Yon Kang, Seoul, KR;
Chang Seok Lee, Seoul, KR;
Jin Hyo Park, Seoul, KR;
Jong Tae Ihm, Seongnam Si Gyeonggi-do, KR;
SK Telecom Co., Ltd., Seoul, KR;
SK Planet Co., Ltd., Seoul, KR;
Abstract
A location positioning methoded device using a wireless LAN signal, comprising: a database that includes a first DB, which matches grid cells distinguished by pCell ID with partial wireless LAN-related information related to a wireless LAN signal and stores the matched information, and a second DB, which stores overall wireless LAN-related information related to the wireless LAN signal; an information reception unit that receives terminal wireless LAN-related information from a terminal, which performs communication by using the WLAN signal; a record determination unit; and a location positioning unit.