{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9781333","patent":{"patent_number":"US-9781333","title":"Imaging device and focus control method","assignee":null,"inventors":[],"filing_date":"2017-03-10T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":12,"abstract":"A phase difference AF processing unit of a digital camera including an imaging element that captures an image of an object through a lens device including an APD filter and includes a pair of phase difference detection pixels calculates a parameter related to a ratio of a phase difference between detection signals detected by each of the phase difference detection pixels to an amount of defocus based on the incident angle range of light on the pair of phase difference detection pixels through the lens device, the transmittance of a region of the APD filter through which light in the incident angle range passes, and a light reception sensitivity distribution indicating the light reception sensitivity of each of the phase difference detection pixels for each incident angle of light and calculates the amount of defocus using the parameter and the phase difference."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Imaging device and focus control method","description":"A phase difference AF processing unit of a digital camera including an imaging element that captures an image of an object through a lens device including an APD filter and includes a pair of phase di","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9781333","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-9781333","citation_suggestion":"Patentable. \"Imaging device and focus control method\" (US-9781333). https://patentable.app/patents/US-9781333","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9781333","json":"https://patentable.app/api/llm-context/US-9781333","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:00:22.604Z"}