{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8511540","patent":{"patent_number":"US-8511540","title":"Matrix code for use in verification of data card swap","assignee":null,"inventors":[],"filing_date":"2011-02-18T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["G06F","H04N","H04N","H04N"],"num_claims":20,"abstract":"A content receiver receives an update to a memory unit contained therein utilizing data stored in a data card inserted or incorporated into the content receiver. The content receiver dynamically generates a matrix code based on the updates received in the memory and on information uniquely identifying the content receiver. The matrix code is transmitted to a content display device for display, and a matrix code reader detects the displayed matrix code and transmits information contained within the matrix code to a content provider for updating a user's account associated with the updated content receiver. The content provider may transmit a message to the content receiver for display on the content display device indicating the update to the user's account. The content provider may transit a similar message to the matrix code reader."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Matrix code for use in verification of data card swap","description":"A content receiver receives an update to a memory unit contained therein utilizing data stored in a data card inserted or incorporated into the content receiver. The content receiver dynamically gener","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8511540","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-8511540","citation_suggestion":"Patentable. \"Matrix code for use in verification of data card swap\" (US-8511540). https://patentable.app/patents/US-8511540","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8511540","json":"https://patentable.app/api/llm-context/US-8511540","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:11:49.148Z"}