Client digital program insertion in a conditional access module

Details Client digital program insertion in a conditional access module Client digital program insertion in a conditional access module

2005-10-11

2011-11-29

Zia, Syed A. (Department: 2431)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Packet header designating cryptographically protected data

C713S150000, C725S032000, C725S033000, C725S034000, C725S035000, C725S036000, C725S040000, C725S024000, C725S014000, C725S100000, C725S139000, C380S229000, C380S227000, C380S210000, C380S200000, C709S239000, C709S236000, C709S246000, C370S528000, C370S522000

Reexamination Certificate

active

08069348

ABSTRACT:
Systems and methods are disclosed for inserting programs into broadcasted primary programs by a conditional access (CA) module that is inserted into a host device, such as a digital-ready television. The CA module utilizes primary and secondary program map tables and/or primary and secondary packet identifiers. A splicer splices the secondary packet identifiers, which is associated with a secondary program, into the primary packet identifiers, which is associated with a program, such as a broadcasted program. Additionally, the CA module may contain memory that is capable of storing the secondary program's packet identifiers and/or program map table that can be used for insertion into the primary program.

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