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. 06, 2018
Filed:
Mar. 19, 2015
Sony Mobile Communications Inc., Tokyo, JP;
David Berthet, Akarp, SE;
Sony Corporation, Tokyo, JP;
Sony Mobile Communications Inc., Tokyo, JP;
Abstract
A method and a device for controlling usability of a communication device having a processing unit including a memory for storing computer code, a modem, an access circuit connected to the modem for cellular network authentication and access, and a secure element connected to the access circuit. A boot of the processing unit and the secure element can be initiated at power up of the device. A boot service in the secure element can be executed, and a current state of a state machine in the secure element can be determined. Thereafter, a partition of an operating system can be booted, where the partition is selected dependent on said current state of the state machine.