{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11994482","patent":{"patent_number":"US-11994482","title":"Driving device provided with piezoelectric element deterioration detection circuit and deterioration detection method","assignee":null,"inventors":[],"filing_date":"2020-04-20T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":14,"abstract":"The driving device includes a piezoelectric element, a power supply unit, a first resistor, a second resistor, a measuring unit and a control unit, wherein resistance values of the first resistor and the second resistor are smaller than an insulating resistance value of the piezoelectric element, the measuring unit measures, a voltage across the first resistor (voltage between a first terminal and a second terminal), in a state of supplying a predetermined voltage from the power supply unit, and the control unit calculates a resistance value of the piezoelectric element from a voltage value obtained by the measurement of the measuring unit, and determines, whether or not degradation has occurred in the piezoelectric element based on the calculated resistance value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Driving device provided with piezoelectric element deterioration detection circuit and deterioration detection method","description":"The driving device includes a piezoelectric element, a power supply unit, a first resistor, a second resistor, a measuring unit and a control unit, wherein resistance values of the first resistor and ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11994482","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-11994482","citation_suggestion":"Patentable. \"Driving device provided with piezoelectric element deterioration detection circuit and deterioration detection method\" (US-11994482). https://patentable.app/patents/US-11994482","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11994482","json":"https://patentable.app/api/llm-context/US-11994482","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:09:45.318Z"}