{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749518","patent":{"patent_number":"US-9749518","title":"Focusing device and camera","assignee":null,"inventors":[],"filing_date":"2015-07-31T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["G06F","H04N","H04N","H04N"],"num_claims":14,"abstract":"A focusing device comprises: an image capturing unit that captures a subject image formed via an optical system including a lens for executing focus adjustment and outputs an output signal; an edge detection unit that detects an edge signal among the output signal in correspondence to each color component among a plurality of color components contained in an image based upon the output signal; a calculation unit that calculates edge differential values each of which is a differential value of the edge signal in correspondence to the each color component; and a control unit that controls a moving direction along which the lens is to move based upon a comparison of the edge differential values."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focusing device and camera","description":"A focusing device comprises: an image capturing unit that captures a subject image formed via an optical system including a lens for executing focus adjustment and outputs an output signal; an edge de","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749518","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-9749518","citation_suggestion":"Patentable. \"Focusing device and camera\" (US-9749518). https://patentable.app/patents/US-9749518","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749518","json":"https://patentable.app/api/llm-context/US-9749518","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:30:35.760Z"}