METHOD AND APPARATUS FOR CONTROLLING PAIRED OPERATION OF A CONDITIONAL ACCESS MODULE AND AN INTEGRATED RECEIVER AND DECODER
Patent №
US 7,797,552
Granted
2010-09-14
Filed 2004
Owner
NDS LIMITED
+1 more
Lab
—
AI components
1
planning
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10490261
A method and apparatus that selectively pairs a receiver (132) configured to receive a media program encrypted according to a media encryption key and a conditional access module. In one embodiment, the apparatus comprises a security module (508) for receiving and modifying the media encryption key, and a transport module (412), comprising a decryptor (524) for decrypting the media program. The media encryption key has a portion indicating a first state in which the media program is to be viewable by a set of receivers or a second state in which the media program is to be viewable only by a subset of the set of receivers.
AI classification
Ownership
NDS LIMITED
assignment · 136000613
HUGHES ELECTRONICS CORPORATION
assignment · 136000616
Assignors
LEVY, JORDAN
On an employer assignment, the assignors are typically the inventors.