{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11498013","patent":{"patent_number":"US-11498013","title":"Card, card reading system, and card set","assignee":null,"inventors":[],"filing_date":"2019-08-09T00:00:00.000Z","publication_date":"2022-11-15T00:00:00.000Z","cpc_codes":["A63F","G09B"],"num_claims":6,"abstract":"Provided is a self-propelled reading device to read cards more reliably. Each of the cards includes a first end part configured to be adjacent to another card in a predetermined direction; a second end part configured to be on the opposite side of the first end part and adjacent to another card different from the first end part; and a surface printed with a pattern in which are coded coordinates indicating a positional relation relative to a reference line extended in the predetermined direction indicative of a region in which a self-propelled device is to travel. Each of the first and the second end parts has a positioning part regulating how the other card adjacent to the end part is to be placed. The positioning parts and the reference line have a predetermined positional relation therebetween."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Card, card reading system, and card set","description":"Provided is a self-propelled reading device to read cards more reliably. Each of the cards includes a first end part configured to be adjacent to another card in a predetermined direction; a second en","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11498013","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-11498013","citation_suggestion":"Patentable. \"Card, card reading system, and card set\" (US-11498013). https://patentable.app/patents/US-11498013","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11498013","json":"https://patentable.app/api/llm-context/US-11498013","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:46:19.420Z"}