{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9615017","patent":{"patent_number":"US-9615017","title":"Focus detection apparatus and method, method of controlling focus detection apparatus, and image capturing apparatus","assignee":null,"inventors":[],"filing_date":"2014-06-04T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N"],"num_claims":21,"abstract":"A focus detection apparatus comprises: an image sensing unit including photoelectric conversion elements for each microlens, with the microlenses being two-dimensionally arranged; a generation unit configured to generate a first signal pair having a first resolution from signals of a first area of the image sensing unit which corresponds to a predetermined focus detection area and generate a second signal pair having a second resolution lower than the first resolution from signals of a second area which corresponds to the predetermined focus detection area and is wider than the first area; a focus detection unit configured to perform phase difference focus detection processing based on at least one of the first and second signal pairs; and a recording image generation unit configured to generate a recording image from a signal output from the image sensing unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focus detection apparatus and method, method of controlling focus detection apparatus, and image capturing apparatus","description":"A focus detection apparatus comprises: an image sensing unit including photoelectric conversion elements for each microlens, with the microlenses being two-dimensionally arranged; a generation unit co","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9615017","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-9615017","citation_suggestion":"Patentable. \"Focus detection apparatus and method, method of controlling focus detection apparatus, and image capturing apparatus\" (US-9615017). https://patentable.app/patents/US-9615017","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9615017","json":"https://patentable.app/api/llm-context/US-9615017","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:20:20.327Z"}