Invention Grant
US08243923B2 Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device 有权
用于在具有移动接收设备中的条件访问授权到期的系统中提供预激活警告的方法和系统

Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device
Abstract:
A system and method for providing conditional access authorizations in a satellite-receiving system includes generating a conditional access authorization signal and an expiration signal at a head-end 20, receiving the conditional access authorization signal at a fixed satellite receiver 54 or at a mobile satellite receiver 28. When the mobile satellite receiver operates in a predetermined time window before the expiration time, which is determined from the expiration signal, a warning 434 on a screen display 432 is generated.
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