{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494252","patent":{"patent_number":"US-8494252","title":"Depth mapping using optical elements having non-uniform focal characteristics","assignee":null,"inventors":[],"filing_date":"2008-06-19T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T"],"num_claims":20,"abstract":"A method for mapping includes projecting a pattern onto an object (28) via an astigmatic optical element (38) having different, respective focal lengths in different meridional planes (54, 56) of the element. An image of the pattern on the object is captured and processed so as to derive a three-dimensional (3D) map of the object responsively to the different focal lengths."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Depth mapping using optical elements having non-uniform focal characteristics","description":"A method for mapping includes projecting a pattern onto an object (28) via an astigmatic optical element (38) having different, respective focal lengths in different meridional planes (54, 56) of the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494252","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-8494252","citation_suggestion":"Patentable. \"Depth mapping using optical elements having non-uniform focal characteristics\" (US-8494252). https://patentable.app/patents/US-8494252","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494252","json":"https://patentable.app/api/llm-context/US-8494252","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:02:28.799Z"}