{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11961379","patent":{"patent_number":"US-11961379","title":"Measurement chamber for mounting on a smoke detection unit, having a light trap according to the principle of a fresnel stepped lens","assignee":null,"inventors":[],"filing_date":"2020-11-13T00:00:00.000Z","publication_date":"2024-04-16T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":12,"abstract":"Various embodiments of the teachings herein include a measurement chamber for a smoke detection unit of a smoke detector. The measurement chamber may include: at least a passage for smoke to be detected; and a measurement chamber cover with angular light trap structures on an inside of the measurement chamber. The angular light trap structures are shaped to follow the compact-design principle of a Fresnel stepped lens."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Measurement chamber for mounting on a smoke detection unit, having a light trap according to the principle of a fresnel stepped lens","description":"Various embodiments of the teachings herein include a measurement chamber for a smoke detection unit of a smoke detector. The measurement chamber may include: at least a passage for smoke to be detect","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11961379","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-11961379","citation_suggestion":"Patentable. \"Measurement chamber for mounting on a smoke detection unit, having a light trap according to the principle of a fresnel stepped lens\" (US-11961379). https://patentable.app/patents/US-11961379","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11961379","json":"https://patentable.app/api/llm-context/US-11961379","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:02:05.251Z"}