Patent ID: 8213613
Filing Date: 2012-07-03
Classification: H04N

Abstract:
1. A security module for use with a first device to be paired with a second device, the security module being adapted to be removably connected to the first device and comprising: a processor; and a memory, coupled to the processor, and adapted to store a device state that indicates whether the first device shall be a master or a slave device, wherein the processor can change the device state when the security module is in connection with the first device, the stored device state of the security module when delivered by a conditional access (CA) provider is a master state and wherein the processor then changes the device state of the security module from the master state to a slave state after a predetermined time in use unless the security module receives a dedicated Entitlement Management Message (EMM) telling the security module to remain in the master state before the end of the predetermined time.