{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9635243","patent":{"patent_number":"US-9635243","title":"Ranging apparatus, imaging apparatus, and ranging method","assignee":null,"inventors":[],"filing_date":"2016-01-28T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N"],"num_claims":17,"abstract":"A ranging apparatus includes: an output ratio data calculation unit for calculating an output ratio data of first and second image data; a correction function calculation unit for calculating a correction function approximating the output ratio data by an N-order function (N being an integer equal to or greater than 1) having a pixel position as a variable; a correction unit for correcting at least one of the first and second image data on the basis of the correction function; and a ranging unit for calculating the defocus amount by using the picture image data corrected by the correction unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Ranging apparatus, imaging apparatus, and ranging method","description":"A ranging apparatus includes: an output ratio data calculation unit for calculating an output ratio data of first and second image data; a correction function calculation unit for calculating a correc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9635243","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-9635243","citation_suggestion":"Patentable. \"Ranging apparatus, imaging apparatus, and ranging method\" (US-9635243). https://patentable.app/patents/US-9635243","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9635243","json":"https://patentable.app/api/llm-context/US-9635243","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:35:38.110Z"}