{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10477094","patent":{"patent_number":"US-10477094","title":"Focus detection unit, image capturing apparatus, and focus detection method","assignee":null,"inventors":[],"filing_date":"2017-04-03T00:00:00.000Z","publication_date":"2019-11-12T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":5,"abstract":"An image capturing apparatus includes an image capturing unit configured to capture an image focused on a light receiving surface, a gain unit configured to multiply a gain to an image signal output from the image capturing unit and be able to electronically change brightness of an image that the image signal represents, and a focus signal generating unit configured to extract a signal in a frequency band from the image signal output from the gain unit and generate a focus signal from the extracted signal. The focus signal generating unit changes the frequency band for the signal to be used in generating the focus signal in accordance with the magnitude of the gain."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focus detection unit, image capturing apparatus, and focus detection method","description":"An image capturing apparatus includes an image capturing unit configured to capture an image focused on a light receiving surface, a gain unit configured to multiply a gain to an image signal output f","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10477094","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-10477094","citation_suggestion":"Patentable. \"Focus detection unit, image capturing apparatus, and focus detection method\" (US-10477094). https://patentable.app/patents/US-10477094","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10477094","json":"https://patentable.app/api/llm-context/US-10477094","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:43:58.778Z"}