Every Thursday, the US Patent and Trademark Office
publishes pending patent applications. Assigned to Intertrust, the first of today's applications discloses a digital rights management engine. The second application addresses conditional access technologies for cable television, no assignee given.
20070172041, "Digital rights management engine systems and methods," assigned to Intertrust.
Abstract
Systems and methods are described for performing digital rights management. In one embodiment, a digital rights management engine is provided that evaluates license associated with protected content to determine if a requested access or other use of the content is authorized. In some embodiments, the licenses contain control programs that are executable by the digital rights management engine.
20070172059, "Digital cable television broadcasting receiver," no assignee given.
Abstract
A global platform card manager of the IC card chip includes a conditional access software decoding part. A decoding key specific to each conditional access software vendor and a key identification number corresponding to the decoding key are preset in the conditional access software decoding part. The conditional access software encrypted by the conditional access software vendor is decoded using the decoding key designated by the key identification number in the conditional access decoding part, when received.
