{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9713070","patent":{"patent_number":"US-9713070","title":"Regional conditional access","assignee":null,"inventors":[],"filing_date":"2016-08-18T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["H04W","H04W"],"num_claims":20,"abstract":"In one embodiment, a system includes a control word processor to generate first regional-specific control word formation data items (RSCWFDI), for a first geographical sub-region of a primary geographical region which includes different geographical sub-regions, for use over cryptoperiods, the first RSCWFDI being used in generating control words in receiver-decoder devices, an encryption engine to encrypt content with the control words over the cryptoperiods yielding encrypted content, a first transmission apparatus to broadcast the first RSCWFDI and the encrypted content in the primary geographic region, and a communication interface to share data about second RSCWFDI of the first geographical sub-region with at least one regional transmission apparatus of the first geographical sub-region operative to broadcast the second RSCWFDI of the geographical sub-region in the geographical sub-region, wherein each control word may be generated in the receiver-decoder devices using one of first and one second RSCWFDI."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Regional conditional access","description":"In one embodiment, a system includes a control word processor to generate first regional-specific control word formation data items (RSCWFDI), for a first geographical sub-region of a primary geograph","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9713070","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9713070","citation_suggestion":"Patentable. \"Regional conditional access\" (US-9713070). https://patentable.app/patents/US-9713070","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9713070","json":"https://patentable.app/api/llm-context/US-9713070","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:02:28.737Z"}