{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11475702","patent":{"patent_number":"US-11475702","title":"Thin sheet papillary print sensor","assignee":null,"inventors":[],"filing_date":"2020-04-23T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["G06V","G06V"],"num_claims":10,"abstract":"The invention relates to a papillary print sensor comprising an acquisition surface (14) extending over a length L, a light source (11) configured to emit a light pulse, a sheet (12) adapted to propagate light rays by reflection on the first face (12a) and the second face (12b), which defines a critical angle (θc), and an imager (13), wherein the thickness (e) of the sheet is less than a thickness emax=L/2×tan(θc), such that a first part of the light rays (20b, 20c) is propagated without reflection on the acquisition surface (14) while a second part of the light rays (20a, 20d) is reflected towards said acquisition surface (14) after reflection on the second face (12), and the imager (13) is configured to acquire a first image during the reception of the first part of the light rays and a second image during the reception of the second part of the light rays."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Thin sheet papillary print sensor","description":"The invention relates to a papillary print sensor comprising an acquisition surface (14) extending over a length L, a light source (11) configured to emit a light pulse, a sheet (12) adapted to propag","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11475702","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-11475702","citation_suggestion":"Patentable. \"Thin sheet papillary print sensor\" (US-11475702). https://patentable.app/patents/US-11475702","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11475702","json":"https://patentable.app/api/llm-context/US-11475702","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:06:43.491Z"}