{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9689752","patent":{"patent_number":"US-9689752","title":"OFDR device and OFDR method","assignee":null,"inventors":[],"filing_date":"2016-02-12T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["G01D","G01D"],"num_claims":20,"abstract":"To provide an OFDR device and an OFDR method capable of measuring a large strain distribution or a large temperature distribution within a narrow measured wavelength range by using an FBG. A measured optical fiber 13 includes a plurality of gratings that is overlappingly formed in order to reflect a plurality of different wavelengths. An OFDR device 1 measures a strain distribution or a temperature distribution of the measured optical fiber 13 on the basis of the result of detection by a measuring range non-inclusion detector 26 that detects gratings of the plurality of gratings of which the reflected wavelengths are not included in the measured wavelength range from the peak wavelengths detected by a peak wavelength detector on the basis of measured wavelength range non-inclusion detecting condition data (Ds) in which a predetermined measured wavelength range is set in the direction of the axis of the peak wavelengths."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"OFDR device and OFDR method","description":"To provide an OFDR device and an OFDR method capable of measuring a large strain distribution or a large temperature distribution within a narrow measured wavelength range by using an FBG. A measured ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9689752","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-9689752","citation_suggestion":"Patentable. \"OFDR device and OFDR method\" (US-9689752). https://patentable.app/patents/US-9689752","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9689752","json":"https://patentable.app/api/llm-context/US-9689752","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:34:01.730Z"}