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:
Feb. 25, 2020
Filed:
Sep. 02, 2016
Blackberry Limited, Waterloo, CA;
Neil Patrick Adams, Waterloo, CA;
Steven Wellington, Waterloo, CA;
BlackBerry Limited, Waterloo, CA;
Abstract
A method at an electronic device having at least one slot to receive a removable security module, the method including detecting coupling of the security module to the electronic device; sending a challenge to the security module; receiving a response from the security module; checking whether the response is valid at the electronic device; and providing a signal based on results of the checking, wherein only a defined number of security modules are configured to provide a valid response per slot or for each security module type at the electronic device. Further, a method for preventing functionality on an electronic device, the method including replacing a valid security module coupled to the electronic device with a dummy security module; detecting uncoupling of the dummy security module; and providing an alert.