{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639754","patent":{"patent_number":"US-9639754","title":"Subject tracking apparatus, camera having the subject tracking apparatus, and method for tracking subject","assignee":null,"inventors":[],"filing_date":"2015-05-15T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G01S","H04N","H04N","H04N","H04N","H04N"],"num_claims":13,"abstract":"A subject tracking apparatus includes a light detector, a focus detector, and a tracking controller. The focus detector is configured to detect focus information at a plurality of focus detection regions in a view of an image. The focus information includes at least focus information detected at a subject region of a subject in the view. The tracking controller is configured to determine at least one first region having substantially same light information as light information detected at the subject region from among a plurality of light measurement regions, to determine at least one second region having substantially same focus information as the focus information detected at the subject region from among the plurality of focus detection regions, and to determine reference information for tracking the subject in the view based on the at least one first region and the at least one second region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Subject tracking apparatus, camera having the subject tracking apparatus, and method for tracking subject","description":"A subject tracking apparatus includes a light detector, a focus detector, and a tracking controller. The focus detector is configured to detect focus information at a plurality of focus detection regi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639754","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-9639754","citation_suggestion":"Patentable. \"Subject tracking apparatus, camera having the subject tracking apparatus, and method for tracking subject\" (US-9639754). https://patentable.app/patents/US-9639754","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639754","json":"https://patentable.app/api/llm-context/US-9639754","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:59:53.746Z"}