{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9729778","patent":{"patent_number":"US-9729778","title":"Focus adjustment device and control method of the same","assignee":null,"inventors":[],"filing_date":"2015-12-30T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":11,"abstract":"A focus adjustment device includes an acquisition unit configured to acquire focus evaluated values of a plurality of color signals obtained from an image signal generated by an image sensor that light transmitted through a focus lens has entered, a calculation unit configured to calculate at least one value indicating a difference in magnitude between each pair of the focus evaluated values of the plurality of color signals, and a determination unit configured to determine, in a case in which a value calculated by the calculation unit is within a predetermined range, a drive direction of the focus lens based on the value calculated by the calculation unit, and determine, in a case in which the value calculated by the calculation unit is outside the predetermined range, a drive direction of the focus lens based on a luminance signal obtained from the image signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Focus adjustment device and control method of the same","description":"A focus adjustment device includes an acquisition unit configured to acquire focus evaluated values of a plurality of color signals obtained from an image signal generated by an image sensor that ligh","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9729778","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-9729778","citation_suggestion":"Patentable. \"Focus adjustment device and control method of the same\" (US-9729778). https://patentable.app/patents/US-9729778","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9729778","json":"https://patentable.app/api/llm-context/US-9729778","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:51:25.482Z"}