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. 26, 2013
Filed:
May. 28, 2010
Yun-jae Won, Yongin-si, KR;
Seung-ok Lim, Seongnam-si, KR;
Sun-hee Kim, Seongnam-si, KR;
Kyu-sung Hwang, Incheon, KR;
Yun-Jae Won, Yongin-si, KR;
Seung-Ok Lim, Seongnam-si, KR;
Sun-Hee Kim, Seongnam-si, KR;
Kyu-Sung Hwang, Incheon, KR;
Korea Electronics Technology Institute, Seongnam, KR;
Abstract
Magnetic field communication methods and apparatuses are performed by the coordinator and node of a magnetic field area network, respectively. The method which is performed by the coordinator includes: (a) sending a request packet requesting association with a network, disassociation from a network, network association state checking, data transmission, or group address setting, (b) receiving response packets, (c) selecting one or more response packets from among the received response packets, (d) sending a response acknowledgement packet to nodes corresponding to the selected response packets, (e) receiving response packets resent by nodes which have not received the sent response acknowledgement packet, (f) selecting one or more response packets from among the response packets received at (e), and (g) sending a response acknowledgement packet to nodes corresponding to the response packets selected at (f).