{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11519796","patent":{"patent_number":"US-11519796","title":"Stress-induced magnetic field signal acquisition method and stress measurement method based thereon","assignee":null,"inventors":[],"filing_date":"2019-12-26T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":3,"abstract":"A method for stress-induced magnetic field signal acquisition and stress measurement is disclosed. The method can include the following steps: a1, conducting AC magnetization on a to-be-tested structure by using an AC magnetic field with preset frequencies and strengths, and acquiring the excitation magnetic field signals in at least one cycle; a2, subtracting the excitation magnetic field signals in at least one cycle of a stress-free sample having the same material as the to-be-tested structure from the excitation magnetic field signals acquired in step a1 to obtain a stress-induced magnetic field signals of the to-be-tested structure; a3, quantitatively assessing the stresses in the to-be-tested structure by comparing the mean values of the stress-induced magnetic field signals acquired in step a2 with the pre-calibrated relationship of stresses and the mean values of the stress-induced magnetic field signals for the material of the to-be-tested structure."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Stress-induced magnetic field signal acquisition method and stress measurement method based thereon","description":"A method for stress-induced magnetic field signal acquisition and stress measurement is disclosed. The method can include the following steps: a1, conducting AC magnetization on a to-be-tested structu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11519796","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-11519796","citation_suggestion":"Patentable. \"Stress-induced magnetic field signal acquisition method and stress measurement method based thereon\" (US-11519796). https://patentable.app/patents/US-11519796","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11519796","json":"https://patentable.app/api/llm-context/US-11519796","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:36:46.737Z"}