{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488218","patent":{"patent_number":"US-8488218","title":"Document reading apparatus","assignee":null,"inventors":[],"filing_date":"2010-04-27T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":6,"abstract":"A document reading apparatus includes an irradiation unit configured to irradiate a document reading position with visible light and infrared light, a reading unit configured to read an image of visible light and an image of infrared light reflected from the document on the document reading position, and an extraction unit configured to extract a transparent toner image on a document based on the visible light image and the infrared light image read by the reading unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Document reading apparatus","description":"A document reading apparatus includes an irradiation unit configured to irradiate a document reading position with visible light and infrared light, a reading unit configured to read an image of visib","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488218","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-8488218","citation_suggestion":"Patentable. \"Document reading apparatus\" (US-8488218). https://patentable.app/patents/US-8488218","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488218","json":"https://patentable.app/api/llm-context/US-8488218","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:56:30.029Z"}