{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716821","patent":{"patent_number":"US-9716821","title":"Image pickup apparatus, image pickup system, method of controlling image pickup apparatus, and storage medium","assignee":null,"inventors":[],"filing_date":"2015-01-29T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":13,"abstract":"An image pickup apparatus includes a light receiving element configured to photoelectrically convert an optical image to output a pair of image signals, a selection unit configured to select a focus detection region from among a plurality of focus detection regions, and a calculation unit configured to calculate a defocus amount based on the image signals from the selected focus detection region and a correction value for the selected focus detection region, and the correction value varies depending on the plurality of focus detection regions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image pickup apparatus, image pickup system, method of controlling image pickup apparatus, and storage medium","description":"An image pickup apparatus includes a light receiving element configured to photoelectrically convert an optical image to output a pair of image signals, a selection unit configured to select a focus d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716821","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-9716821","citation_suggestion":"Patentable. \"Image pickup apparatus, image pickup system, method of controlling image pickup apparatus, and storage medium\" (US-9716821). https://patentable.app/patents/US-9716821","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716821","json":"https://patentable.app/api/llm-context/US-9716821","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:43:31.512Z"}