{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11464494","patent":{"patent_number":"US-11464494","title":"Method and system to revert a depoling effect exhibited by an ultrasound transducer","assignee":null,"inventors":[],"filing_date":"2020-02-24T00:00:00.000Z","publication_date":"2022-10-11T00:00:00.000Z","cpc_codes":["A61B","A61B","A61B","A61B","A61B","A61B","G01S","G01S","G01S","G01S","G01S","A61B"],"num_claims":20,"abstract":"An ultrasound system, probe and method are provided that comprise a transducer with piezoelectric transducer elements polarized in a poling direction, wherein over time one or more of the transducer elements possibly exhibit a depoling effect; and one or more drive circuits configured to: i) generate a transmit signal having at least first polarity segments, the first segments having corresponding first peak amplitudes; ii) generate a repoling signal having a repoling pattern configured to at least partially revert the depoling effect exhibited by the one or more transducer elements; and iii) generate a bias signal in the poling direction, the bias signal combined with the at least one of the transmit signal or the repoling signal to form a corresponding at least one of a biased transmit signal or a bias repoling signal, that is shifted in the poling direction."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and system to revert a depoling effect exhibited by an ultrasound transducer","description":"An ultrasound system, probe and method are provided that comprise a transducer with piezoelectric transducer elements polarized in a poling direction, wherein over time one or more of the transducer e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11464494","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-11464494","citation_suggestion":"Patentable. \"Method and system to revert a depoling effect exhibited by an ultrasound transducer\" (US-11464494). https://patentable.app/patents/US-11464494","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11464494","json":"https://patentable.app/api/llm-context/US-11464494","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:32:57.533Z"}