{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8471208","patent":{"patent_number":"US-8471208","title":"Non-dispersive infrared (NDIR) gas sensor","assignee":null,"inventors":[],"filing_date":"2011-03-02T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":20,"abstract":"A non-dispersive infrared gas sensor provides the same light path for light used in a reference mode and a test mode for testing for the presence or concentration of one or more gases. A vacuum is formed in the light pipe in the reference mode. Gas flows into the light pipe before the test mode. The same emitter and detector maybe used for both the test and reference modes. The emitter transmits an electromagnetic wave through the light pipe in both the reference and test modes. The detected signals in both modes are compared to determine the concentration or presence of gas in the light pipe."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Non-dispersive infrared (NDIR) gas sensor","description":"A non-dispersive infrared gas sensor provides the same light path for light used in a reference mode and a test mode for testing for the presence or concentration of one or more gases. A vacuum is for","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8471208","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-8471208","citation_suggestion":"Patentable. \"Non-dispersive infrared (NDIR) gas sensor\" (US-8471208). https://patentable.app/patents/US-8471208","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8471208","json":"https://patentable.app/api/llm-context/US-8471208","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:30:59.911Z"}