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Content management using multiple abstraction layers

  • US 9,208,334 B2
  • Filed: 10/25/2013
  • Issued: 12/08/2015
  • Est. Priority Date: 10/25/2013
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • accessing one or more contents at a content handling device, the content handling device configured to operate using multiple abstraction layers including an application layer, an operating system layer, a firmware layer and a hardware layer, wherein the multiple abstraction layers are arranged in a hierarchical order such that each layer that is positioned at a lower level of hierarchy hides that layer'"'"'s implementation details from all layers that are situated at a higher level of hierarchy with respect to that layer, the content handling device configured to receive a first content and provide at least a portion of the first content to a first layer of the multiple abstraction layers, and receive a second content and provide at least a portion of the second content to a second layer of the multiple abstraction layers; and

    conducting content management operations on the one or more contents using at least two of the multiple abstraction layers, wherein conducting the content management operations comprises;

    conducting watermark extraction and content screening operations at the first layer for a first watermark message having a first value, the first value having an associated first usage rule or set of rules,conducting watermark extraction and content screening operations at the second layer for a second watermark message having a second value, the second value having an associated second usage rule or set of rules different from the first usage rule or set of rules and wherein the first usage rule or set of rules correspond to a more restrictive enforcement action than an enforcement action corresponding to the second usage rule or set of rules, andinitiating one or more enforcement actions corresponding to the first value and the second value based at least in-part on respective results of the content screening for the first watermark message and the content screening for the second watermark message.

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