{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9721140","patent":{"patent_number":"US-9721140","title":"Sensing method of fingerprint sensor and related sensing circuit","assignee":null,"inventors":[],"filing_date":"2016-02-15T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["G06V","G06V"],"num_claims":19,"abstract":"A sensing method of a fingerprint sensor includes the following steps: (a) applying a first voltage, a second voltage and a third voltage to a first node connected to an electrode plate to be measured, a second node disconnected from the first node, and a conductor adjacent to the electrode plate to be measured, respectively; (b) providing a first finger drive voltage for a finger; (c) stopping applying the first, second and third voltages to the first node, the second node and the conductor, respectively; (d) after step (c), applying a fourth voltage to the conductor, and connecting the first node to the second node; (e) after steps (b) and (c), providing a second finger drive voltage for the finger; and (f) after steps (d) and (e), obtaining a measurement result of the electrode plate to be measured according to a signal on the second node."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sensing method of fingerprint sensor and related sensing circuit","description":"A sensing method of a fingerprint sensor includes the following steps: (a) applying a first voltage, a second voltage and a third voltage to a first node connected to an electrode plate to be measured","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9721140","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-9721140","citation_suggestion":"Patentable. \"Sensing method of fingerprint sensor and related sensing circuit\" (US-9721140). https://patentable.app/patents/US-9721140","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9721140","json":"https://patentable.app/api/llm-context/US-9721140","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:33:35.371Z"}