{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9591205","patent":{"patent_number":"US-9591205","title":"Focus control apparatus, optical apparatus, focus control method, and storage medium storing focus detection program","assignee":null,"inventors":[],"filing_date":"2015-12-08T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":7,"abstract":"The focus control apparatus drives a focus element by following drive amounts: when a reliability of a phase difference focus detection is higher than a first reliability and a defocus amount is larger than a first defocus amount, a first drive amount that is smaller than a phase difference in-focus drive amount by a first non-drive amount; when the reliability is higher than the first reliability and the defocus amount is smaller than the first defocus amount, the phase difference in-focus drive amount; and when the reliability is lower than the first reliability and higher than a second reliability and the defocus amount is larger than a second defocus amount, a second drive amount that is smaller than the phase difference in-focus drive amount by a second non-drive amount. The apparatus drives the focus element, in other cases, by using the contrast evaluation value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focus control apparatus, optical apparatus, focus control method, and storage medium storing focus detection program","description":"The focus control apparatus drives a focus element by following drive amounts: when a reliability of a phase difference focus detection is higher than a first reliability and a defocus amount is large","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9591205","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-9591205","citation_suggestion":"Patentable. \"Focus control apparatus, optical apparatus, focus control method, and storage medium storing focus detection program\" (US-9591205). https://patentable.app/patents/US-9591205","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9591205","json":"https://patentable.app/api/llm-context/US-9591205","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:23:50.436Z"}