{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494162","patent":{"patent_number":"US-8494162","title":"Hardcopy document security","assignee":null,"inventors":[],"filing_date":"2010-03-31T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":27,"abstract":"A method for securing data in hardcopy documents. The method includes obtaining a page image having a private data item; generating an encrypted version of the private data item; obtaining a decoder identification (ID) value of a decoder; generating, using an encoder, a symbol having the encrypted version of the private data item and the decoder ID value; and generating a hardcopy document by recording the symbol on a physical medium, where the hardcopy document is transported to a subsystem having the decoder, and where the subsystem decrypts the encrypted version of the private data item after extracting the encrypted version of the private data item from the symbol."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Hardcopy document security","description":"A method for securing data in hardcopy documents. The method includes obtaining a page image having a private data item; generating an encrypted version of the private data item; obtaining a decoder i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494162","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-8494162","citation_suggestion":"Patentable. \"Hardcopy document security\" (US-8494162). https://patentable.app/patents/US-8494162","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494162","json":"https://patentable.app/api/llm-context/US-8494162","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:30:52.599Z"}