{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11255778","patent":{"patent_number":"US-11255778","title":"Spectroscopic analysis apparatus, spectroscopic analysis method, steel strip production method, and steel strip quality assurance method","assignee":null,"inventors":[],"filing_date":"2018-12-17T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G01N","G01N","G01C","G01N","G01N","G01N","G01N","G01N","G01N","G01N","G01N"],"num_claims":5,"abstract":"A spectroscopic analysis apparatus includes: a light projecting device; a light receiving device; and an output device, wherein the light receiving device includes: a separator configured to separate reflected light into s-polarized light and p-polarized light; a detector for s-polarized light configured to output an electric signal indicating an intensity of the s-polarized light; and a detector for p-polarized light configured to output an electric signal indicating an intensity of the p-polarized light; and the output device is configured to: calculate an absorbance based on a ratio between the intensities of the s-polarized light and the p-polarized light using the electric signals output from the detector for s-polarized light and the detector for p-polarized light; and calculate either or both of the composition and the composition ratio of the surface of the measurement target object using an intensity of the absorbance at any desired wavenumber."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Spectroscopic analysis apparatus, spectroscopic analysis method, steel strip production method, and steel strip quality assurance method","description":"A spectroscopic analysis apparatus includes: a light projecting device; a light receiving device; and an output device, wherein the light receiving device includes: a separator configured to separate ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11255778","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-11255778","citation_suggestion":"Patentable. \"Spectroscopic analysis apparatus, spectroscopic analysis method, steel strip production method, and steel strip quality assurance method\" (US-11255778). https://patentable.app/patents/US-11255778","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11255778","json":"https://patentable.app/api/llm-context/US-11255778","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:14:39.363Z"}