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:
Jan. 14, 2014
Filed:
Jun. 12, 2007
Apparatus and method for reselecting a public land mobile network in a mobile communication terminal
Applicants:
Yu-shin Kim, Osan-si, KR;
Dong-won Ryu, Seoul, KR;
Yong-suk Moon, Seongnam-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd, , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01);
U.S. Cl.
CPC ...
Abstract
Provided are an apparatus and a method for reselecting a Public Land Mobile Network (PLMN) in a mobile communication terminal. The method includes requesting the updating of location registration to a target PLMN after storing current system information, determining whether a Subscriber Identify Module (SIM) card is valid when it fails to update the location registration, and resetting the SIM card to a previous state and then, reading the stored current system information to request the updating of location registration in the current PLMN when the SIM card is invalid.