Module for controlling usability of a device

摘要

Module (10) for controlling usability of a processing unit (2) of a device (1), the module comprising a modem (11) for communicating with a cellular network, and an access circuit (12) connected to the modem for cellular network authentication and access, which access circuit comprises or is connected to a secure element (12), characterized by a state machine configured to control the device in accordance with one of a plurality of usability states, including at least a normal state and an alert state, wherein operation of the processing unit is inhibited in said alert state.

主权项

1. A device comprising a module for controlling usability of a processing unit of the device, wherein the module comprises a modem that communicates with a cellular network, and an access circuit connected to the modem that carries out cellular network authentication and access, wherein the module operates independently of a processing unit of the device, and wherein the module is configured to:
become active, upon the startup of the device, and before the processing unit of the device becomes active; determine, before the processing unit of the device becomes active, one of a plurality of usability states, including at least a normal state and an alert state; and upon determination of the alert state, electrically inhibit operation of the processing unit.