{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8520130","patent":{"patent_number":"US-8520130","title":"Image capturing apparatus and auto-focus control method thereof","assignee":null,"inventors":[],"filing_date":"2011-08-02T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":6,"abstract":"An image capturing apparatus senses a subject by an image sensor to acquire image data, detects a face from the image data, estimates a distance from the image sensor to the detected face in a real space, obtains first and second depths of field based on a focal length, an f-number, and the estimated distance/a distance in the real space to an in-focus point when acquiring the image data used to detect the face, calculates a first and second scan ranges based on the first/second depths of field and the estimated distance/the distance to the in-focus point, detects the in-focus point based on a contrast signal acquired while driving the focus lens in the first or second scan range selected by a selection unit, which selects the first scan range if at least part of the first and second scan ranges overlaps, otherwise does not select the first scan range."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image capturing apparatus and auto-focus control method thereof","description":"An image capturing apparatus senses a subject by an image sensor to acquire image data, detects a face from the image data, estimates a distance from the image sensor to the detected face in a real sp","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8520130","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-8520130","citation_suggestion":"Patentable. \"Image capturing apparatus and auto-focus control method thereof\" (US-8520130). https://patentable.app/patents/US-8520130","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8520130","json":"https://patentable.app/api/llm-context/US-8520130","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:18:15.691Z"}