{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9591179","patent":{"patent_number":"US-9591179","title":"Printer that performs shading correction and method for operating the same","assignee":null,"inventors":[],"filing_date":"2015-07-10T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N"],"num_claims":14,"abstract":"A printer includes a discharge unit, a first printing unit disposed along a sheet conveying path extending from the discharge unit and configured to print an image on a first sheet while the first sheet is conveyed from the discharge unit to the first printing unit and then to the discharge unit, a second printing unit disposed farther from the discharge unit than the first printing unit along the sheet conveyance path and configured to print an image on a second sheet while the second sheet is conveyed towards the discharge unit therethrough, a scanning unit disposed along the sheet conveying path between the discharge unit and the first printing unit, and configured to scan a surface of the first sheet, and a control unit configured to perform a shading correction of the scanning unit using the second sheet as a white reference."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Printer that performs shading correction and method for operating the same","description":"A printer includes a discharge unit, a first printing unit disposed along a sheet conveying path extending from the discharge unit and configured to print an image on a first sheet while the first she","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9591179","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-9591179","citation_suggestion":"Patentable. \"Printer that performs shading correction and method for operating the same\" (US-9591179). https://patentable.app/patents/US-9591179","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9591179","json":"https://patentable.app/api/llm-context/US-9591179","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:20:06.554Z"}