{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9719958","patent":{"patent_number":"US-9719958","title":"Gas sensor controller, gas sensor system, and deterioration determination method for gas sensor element","assignee":null,"inventors":[],"filing_date":"2014-06-30T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["G01N","G01N"],"num_claims":9,"abstract":"A gas sensor controller (100) controls a gas sensor element (10) which has a first pump cell (111), a second pump cell (113), and an oxygen concentration detection cell (112). The controller includes first chamber control means (51) to (53) which pumps oxygen out of or into a first measurement chamber MR1 such that a concentration voltage Vs becomes equal to a target voltage Vr; target voltage changing means S72, S75 which changes the target voltage Vr from a first target voltage Vr1 to a second target voltage Vr2; current detection means (55) which detects the magnitude of a concentration current Ip2 flowing between first electrode (145) and second electrode (147); and deterioration determination means S7 which determines the deterioration state of the gas sensor element from a change which occurs in the concentration current Ip2 due to the change in the target voltage Vr."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Gas sensor controller, gas sensor system, and deterioration determination method for gas sensor element","description":"A gas sensor controller (100) controls a gas sensor element (10) which has a first pump cell (111), a second pump cell (113), and an oxygen concentration detection cell (112). The controller includes ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9719958","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-9719958","citation_suggestion":"Patentable. \"Gas sensor controller, gas sensor system, and deterioration determination method for gas sensor element\" (US-9719958). https://patentable.app/patents/US-9719958","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9719958","json":"https://patentable.app/api/llm-context/US-9719958","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:12:48.348Z"}