{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11293875","patent":{"patent_number":"US-11293875","title":"Method and apparatus for continuous gas monitoring using micro-colorimetric sensing and optical tracking of color spatial distribution","assignee":null,"inventors":[],"filing_date":"2018-09-26T00:00:00.000Z","publication_date":"2022-04-05T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N","G01N","G01N"],"num_claims":15,"abstract":"A micro-colorimetric sensor for sensing target chemicals that converts time sequence information into a spatial distribution of color. By tracking the spatial color distribution, chemical exposure over time is thus detected, which overcomes the limitation of traditional colorimetric sensors. A porous media is coated on a top surface of the substrate. Multiple sensing chemicals are fused in parallel linear channels into the porous media coating. A plate is affixed over the substrate top surface to cover the plurality of parallel linear channels. An air sample is diffused along the porous media to get a clear pattern of spatial color distribution and color images are captured. Optical parameters like gradient of spatial color distribution, intensity, and absorbance, etc., can be tracked to calculate analytes concentrations."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for continuous gas monitoring using micro-colorimetric sensing and optical tracking of color spatial distribution","description":"A micro-colorimetric sensor for sensing target chemicals that converts time sequence information into a spatial distribution of color. By tracking the spatial color distribution, chemical exposure ove","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11293875","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-11293875","citation_suggestion":"Patentable. \"Method and apparatus for continuous gas monitoring using micro-colorimetric sensing and optical tracking of color spatial distribution\" (US-11293875). https://patentable.app/patents/US-11293875","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11293875","json":"https://patentable.app/api/llm-context/US-11293875","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:38:08.791Z"}