{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9690882","patent":{"patent_number":"US-9690882","title":"Lens having an extended range of focus and method of making the same","assignee":null,"inventors":[],"filing_date":"2014-03-27T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":15,"abstract":"A lens having an extended range of focus is made of a transparent material and has two optical surfaces. The lens defines an optical axis and a focal power distribution (Ftot) which, in relation to a plane perpendicular to the optical axis, changes as a function of the radial height (r) and of the azimuth angle (phi) of the aperture between a calculated basic value of the focal power (Flens) not equal to zero and a maximum value Fspiral max(r, phi)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Lens having an extended range of focus and method of making the same","description":"A lens having an extended range of focus is made of a transparent material and has two optical surfaces. The lens defines an optical axis and a focal power distribution (Ftot) which, in relation to a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9690882","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-9690882","citation_suggestion":"Patentable. \"Lens having an extended range of focus and method of making the same\" (US-9690882). https://patentable.app/patents/US-9690882","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9690882","json":"https://patentable.app/api/llm-context/US-9690882","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:53:13.185Z"}