Patent ID: 8311516
Filing Date: 2012-11-13
Classification: H04N

Abstract:
1. A system for maintaining broadcast information regardless of device replacement when a first Universal Subscriber Identity Module (USIM) card mounted in a first terminal having a first broadcasting chip is separated from the first terminal and is then mounted in a second terminal having a second broadcasting chip in a USIM unlock environment, the system comprising: a mobile communication information management server for receiving unique information of the second terminal and USIM-based subscriber information corresponding to the first USIM card from the second terminal through a registration message, and for determining and notifying that there has been a device replacement when the unique information of the second terminal and the subscriber information are different from each other; a broadcast information management server for making a request for modification of broadcast information related to the subscriber information upon receipt of the unique information of the second terminal and the subscriber information from the mobile communication information management server; and a Conditional Access System (CAS) for transmitting, in response to the request for modification of broadcast information by the broadcast information management server,