{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639785","patent":{"patent_number":"US-9639785","title":"Method of compensating density and image forming apparatus performing the same","assignee":null,"inventors":[],"filing_date":"2013-07-02T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06K","H04N","H04N","H04N"],"num_claims":19,"abstract":"An image forming apparatus according to the present general inventive concept includes a transfer unit configured to transfer an image formed on a photoreceptor to a transfer medium, a power supply unit configured to supply transfer power to the transfer unit, a density sensor unit configured to sense a density of the image transferred to the transfer medium, and a control unit configured to control the power supply unit so that the transfer power supplied to the transfer unit is adjusted, wherein the density sensor unit is allowed to move from a first position for sensing a density of sample patches formed on the transfer medium to a second position for sensing a density of a reference reflective plate, and the control unit performs a sensor compensation mode and a density compensation mode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of compensating density and image forming apparatus performing the same","description":"An image forming apparatus according to the present general inventive concept includes a transfer unit configured to transfer an image formed on a photoreceptor to a transfer medium, a power supply un","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639785","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-9639785","citation_suggestion":"Patentable. \"Method of compensating density and image forming apparatus performing the same\" (US-9639785). https://patentable.app/patents/US-9639785","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639785","json":"https://patentable.app/api/llm-context/US-9639785","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:45:41.162Z"}