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:
Aug. 07, 2012
Filed:
Sep. 02, 2010
Jaakko Rajaniemi, Helsinki, FI;
Jaakko Rajaniemi, Helsinki, FI;
Nokia Corporation, Espoo, FI;
Abstract
Disclosed are devices, systems and methods including a wireless terminal adapted to perform a detach of the wireless terminal when registered to a telecommunication network by associating an identification for the wireless terminal, deriving a signature for the identification, and allocating a pair containing the identification and the signature to the wireless terminal. The wireless terminal includes a transceiver adapted to send a detach request including the identification and the identification signature from the wireless terminal to the network in response to detection of a predetermined state of the wireless terminal. The predetermined state includes one or more of, for example, a power off state, a low battery state, and/or a removal of a subscriber identity module from the wireless terminal.