{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11280752","patent":{"patent_number":"US-11280752","title":"Crack detection system and crack detection method","assignee":null,"inventors":[],"filing_date":"2019-03-08T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":11,"abstract":"Provided are a crack detection system and a crack detection method that distinguish between a case where a crack is generated in a structure and other cases not to bring about erroneous detection. In a sensor terminal that detects, from a crack generated in a transducer provided on a structure, a crack in the structure, the transducer having a three-layered structure of conductor-insulator-conductor, the crack detection system including: an impedance measurement unit that measures impedance between the two conductors of the transducer; and a crack detection processing unit that calculates, from a frequency characteristic of the impedance, periodicity data regarding periodicity of a frequency at which impedance becomes a peak, and detects a presence of a crack in the structure in a case of periodicity data different from initially-measured periodicity data being included."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Crack detection system and crack detection method","description":"Provided are a crack detection system and a crack detection method that distinguish between a case where a crack is generated in a structure and other cases not to bring about erroneous detection. In ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11280752","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-11280752","citation_suggestion":"Patentable. \"Crack detection system and crack detection method\" (US-11280752). https://patentable.app/patents/US-11280752","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11280752","json":"https://patentable.app/api/llm-context/US-11280752","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:55:07.827Z"}