{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11480774","patent":{"patent_number":"US-11480774","title":"Optical system and imaging apparatus having the same","assignee":null,"inventors":[],"filing_date":"2020-08-18T00:00:00.000Z","publication_date":"2022-10-25T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":20,"abstract":"An optical system includes a front lens group consisting of at least one lens unit that moves during focusing and having a positive refractive power, and a rear lens group consisting of a lens unit that is immobile during focusing and having a negative refractive power. The rear lens group includes at least two negative lenses and one positive lens. The front lens group and the rear lens group satisfy a predetermined inequality."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical system and imaging apparatus having the same","description":"An optical system includes a front lens group consisting of at least one lens unit that moves during focusing and having a positive refractive power, and a rear lens group consisting of a lens unit th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11480774","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-11480774","citation_suggestion":"Patentable. \"Optical system and imaging apparatus having the same\" (US-11480774). https://patentable.app/patents/US-11480774","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11480774","json":"https://patentable.app/api/llm-context/US-11480774","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:39:03.226Z"}