New pending patent applications are published by the USPTO on Thursdays. Today's Spotlight Applications concern aspects of IPTV and conditional access systems, respectively. Assigned to Erickson (SE), the first application discloses techniques for IPTV targeted messages. Assigned to Nagravision (CH), the second application discloses techniques for pairing between a multimedia unit and one operator.
20160241911, "IPTV Targeted Messages," assigned to Ericsson (SE).
A network device executes a method to provide targeted messages to a subscriber of Internet Protocol Television (IPTV) when a request of the subscriber to access an IPTV channel is denied. The method includes receiving the request of the subscriber from a customer premise equipment (CPE) to access a first multicast stream, where the first multicast stream is a multicast stream for an IPTV channel. The method further includes checking whether the request to access the first multicast stream should be allowed or denied, determining a reason for denial in response to determining that the request should be denied, determining a second multicast stream that corresponds to the reason for denial, sending a join message to a multicast source to receive the second multicast stream, and forwarding the second multicast stream to the CPE.
20160241527, "Pairing method between a multimedia unit and at least one operator, multimedia unit, operator and personalization entity for the implementation of this method," assigned to Nagravision (CH).
The present invention relates in particular to a pairing method between a multimedia unit and one operator having an operator identifier, the multimedia unit having a multimedia unit identifier and receiving conditional access data from said operator, the method being characterized in that: receiving by the multimedia unit a multimedia unit key formed by applying a first cryptographically function to a personalization key and to the multimedia unit identifier; receiving by the operator an operator key formed by applying a second cryptographically function to said personalization key and to the operator identifier; said multimedia unit further having a function of the multimedia unit and said operator further having a function of the operator, these functions being such that the result of the application of the function of the operator to said operator key and to said multimedia unit identifier is equal to the result of the application of the function of the multimedia unit to said multimedia unit key and to said operator identifier, this result forming a pairing key between said multimedia unit and said operator.