{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10474865","patent":{"patent_number":"US-10474865","title":"Fingerprint identification system and electronic device","assignee":null,"inventors":[],"filing_date":"2017-10-12T00:00:00.000Z","publication_date":"2019-11-12T00:00:00.000Z","cpc_codes":["G06V","G06F","G06F","G06F","G06F","G06V","G06F"],"num_claims":9,"abstract":"Provided is a fingerprint identification system, comprising: a plurality of first pixel circuits; a first sensing circuit for sensing a contact capacitance and outputting a first output signal, where the first output signal contains a big signal component and a small signal component, and the small signal component correlates with a change amount of the contact capacitance; at least one second pixel circuit; a second sensing circuit for outputting a second output signal, where the second output signal is equal to the big signal component; and a differential amplifying circuit for amplifying a difference value between the first output signal and the second output signal so as to generate an amplifying output signal, where the amplifying output signal correlates with the small signal component."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fingerprint identification system and electronic device","description":"Provided is a fingerprint identification system, comprising: a plurality of first pixel circuits; a first sensing circuit for sensing a contact capacitance and outputting a first output signal, where ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10474865","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-10474865","citation_suggestion":"Patentable. \"Fingerprint identification system and electronic device\" (US-10474865). https://patentable.app/patents/US-10474865","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10474865","json":"https://patentable.app/api/llm-context/US-10474865","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:54:49.140Z"}