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:
May. 26, 2020
Filed:
Dec. 20, 2016
Sony Mobile Communications Inc., Tokyo, JP;
David Berthet, â„«karp, SE;
Rickard Ljung, Helsingborg, SE;
Sony Corporation, Tokyo, JP;
Abstract
System for controlling usability of an electronic device (), which host device comprises a processing unit (), the system comprising a first control module (), connected to the processing unit, said first control module comprising a modem () for communicating with a cellular network, and an access circuit () connected to the modem for cellular network access, which access circuit comprises a first secure element (); a second control module () comprising a second secure element (), configured to communicate with the first secure element over a communication link; wherein said access unit is configured to realize a state machine configured to set a usability state dependent on communication between the first secure element and the second secure element, and to control the device in accordance with said usability state.