{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8469172","patent":{"patent_number":"US-8469172","title":"Processing data transfer method in sheet processing","assignee":null,"inventors":[],"filing_date":"2011-02-24T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G07F","G07F"],"num_claims":5,"abstract":"This invention is to prevent a MAC of a correct answer from being calculated by use of an IC card even if count data in the database of a PC is falsified since the MAC calculated by the IC card is made invisible from the exterior of the IC card. Thus, falsification of data by enciphering the number (total sum) of cut sheets in a sheet checking equipment."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Processing data transfer method in sheet processing","description":"This invention is to prevent a MAC of a correct answer from being calculated by use of an IC card even if count data in the database of a PC is falsified since the MAC calculated by the IC card is mad","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8469172","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-8469172","citation_suggestion":"Patentable. \"Processing data transfer method in sheet processing\" (US-8469172). https://patentable.app/patents/US-8469172","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8469172","json":"https://patentable.app/api/llm-context/US-8469172","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:04:05.199Z"}