{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8462213","patent":{"patent_number":"US-8462213","title":"Optical system, image pickup apparatus and information code reading device","assignee":null,"inventors":[],"filing_date":"2009-03-27T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["G06K","G06K","G06K","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":19,"abstract":"An image pickup apparatus including an optical system having an optical element including an optical wavefront modulation function; and a detector at a focal position of the optical system, capturing an object image having passed through the optical system, wherein the optical element including the optical wavefront modulation function has a capability of decreasing an alteration of an optical transfer function in an entire screen due to a difference of object distances, and wherein an absolute value of a focal length of the optical element including the optical wavefront modulation function is greater than an absolute value of a focal length of the entire optical system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical system, image pickup apparatus and information code reading device","description":"An image pickup apparatus including an optical system having an optical element including an optical wavefront modulation function; and a detector at a focal position of the optical system, capturing ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8462213","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-8462213","citation_suggestion":"Patentable. \"Optical system, image pickup apparatus and information code reading device\" (US-8462213). https://patentable.app/patents/US-8462213","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8462213","json":"https://patentable.app/api/llm-context/US-8462213","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:40:12.701Z"}