{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9641741","patent":{"patent_number":"US-9641741","title":"Focus detection apparatus and method for controlling the same","assignee":null,"inventors":[],"filing_date":"2014-08-22T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":7,"abstract":"In a focus detection apparatus having a plurality of filters suitable for processing of signals having different frequencies, a setting unit sets a thinning rate in a main-scanning direction of an image sensor depending on a filter to be used, a control unit controls to read image signals sequentially with the set thinning rate and store the read image signals in a storage unit, a processing unit processes the stored image signals with the filter and obtains a focus state evaluation value in a sub-scanning direction of the image sensor and a focus control unit performs the focus control processing based on the focus state evaluation value. If the filter to be used is for a second frequency that is higher than a first frequency, the setting unit sets a lower thinning rate than that for a filter for the first frequency."},"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 for controlling the same","description":"In a focus detection apparatus having a plurality of filters suitable for processing of signals having different frequencies, a setting unit sets a thinning rate in a main-scanning direction of an ima","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9641741","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-9641741","citation_suggestion":"Patentable. \"Focus detection apparatus and method for controlling the same\" (US-9641741). https://patentable.app/patents/US-9641741","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9641741","json":"https://patentable.app/api/llm-context/US-9641741","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:46:07.826Z"}