{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9794470","patent":{"patent_number":"US-9794470","title":"Photographing apparatus and interchangeable lens control method","assignee":null,"inventors":[],"filing_date":"2015-12-31T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":24,"abstract":"A photographing apparatus comprising: a focus adjustment lens which is provided within a lens barrel containing a photographing lens and is movable in an optical axis direction; a ring member disposed rotatably with respect to the lens barrel in an angle range from a first end point to a second end point; a storage unit to store a first relationship between a rotation angle of the ring member and a distance, and a second relationship between a position of the focus adjustment lens in the optical axis direction and the distance; and a control unit to calculate a distance corresponding to a rotation angle of the ring member according to a rotation angle of the ring member and the first relationship, and to set a position of the focus adjustment lens in the optical axis direction according to the distance and the second relationship."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Photographing apparatus and interchangeable lens control method","description":"A photographing apparatus comprising: a focus adjustment lens which is provided within a lens barrel containing a photographing lens and is movable in an optical axis direction; a ring member disposed","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9794470","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-9794470","citation_suggestion":"Patentable. \"Photographing apparatus and interchangeable lens control method\" (US-9794470). https://patentable.app/patents/US-9794470","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9794470","json":"https://patentable.app/api/llm-context/US-9794470","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:18:48.100Z"}