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
- Patent Title: Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device
- Patent Title (中): 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
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Application No.: US11638202Application Date: 2006-12-13
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Publication No.: US08243923B2Publication Date: 2012-08-14
- Inventor: John Norin , Peter M. Klauss , Scott Casavant , Jorge Guzman
- Applicant: John Norin , Peter M. Klauss , Scott Casavant , Jorge Guzman
- Applicant Address: US CA El Segundo
- Assignee: The DIRECTV Group, Inc.
- Current Assignee: The DIRECTV Group, Inc.
- Current Assignee Address: US CA El Segundo
- Main IPC: H04L29/06
- IPC: H04L29/06 ; G06F15/16

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.
Public/Granted literature
Information query