{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8467111","patent":{"patent_number":"US-8467111","title":"Image reading apparatus, image forming apparatus, light quantity acquisition method and computer readable medium","assignee":null,"inventors":[],"filing_date":"2010-06-17T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":19,"abstract":"An image reading apparatus includes: an image reading unit including a light source and a light receiving unit, and being capable of reading an image of a document sheet with predetermined plural reading conditions; a first light quantity information acquiring unit acquiring first light quantity information on a quantity of light emitted from the light source to a first white reference plate and received by the light receiving unit, for each reading condition; a second light quantity information acquiring unit acquiring second light quantity information on a quantity of light emitted from the light source to a second white reference plate and received by the light receiving unit, for fewer reading conditions than all the plural reading conditions; and a third light quantity information acquiring unit acquiring the second light quantity information for reading conditions other than the fewer reading conditions by using the acquired first light quantity information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image reading apparatus, image forming apparatus, light quantity acquisition method and computer readable medium","description":"An image reading apparatus includes: an image reading unit including a light source and a light receiving unit, and being capable of reading an image of a document sheet with predetermined plural read","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8467111","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-8467111","citation_suggestion":"Patentable. \"Image reading apparatus, image forming apparatus, light quantity acquisition method and computer readable medium\" (US-8467111). https://patentable.app/patents/US-8467111","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8467111","json":"https://patentable.app/api/llm-context/US-8467111","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:15:29.034Z"}