{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9612684","patent":{"patent_number":"US-9612684","title":"Capacitance detecting circuit","assignee":null,"inventors":[],"filing_date":"2013-12-30T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G09G","G09G"],"num_claims":19,"abstract":"A capacitance detecting circuit includes induction units; a transferring capacitor configured to transfer charges to a capacitor of a scanned induction unit; a charging module that charges the transferring capacitor, wherein a first terminal of the charging module connects to the first terminal of the transferring capacitor, and a second terminal of the charging module connects to a first power supply; a discharging module that discharges the transferring capacitor and including a first resistor and a second switch; and a controller connected to the charging module, the transferring capacitor and the discharging module, and configured to control the second switch to switch on when a voltage of the transferring capacitor is larger than a preset threshold voltage, and to update a count value and detect a touch on the induction units according to the count value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Capacitance detecting circuit","description":"A capacitance detecting circuit includes induction units; a transferring capacitor configured to transfer charges to a capacitor of a scanned induction unit; a charging module that charges the transfe","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9612684","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-9612684","citation_suggestion":"Patentable. \"Capacitance detecting circuit\" (US-9612684). https://patentable.app/patents/US-9612684","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9612684","json":"https://patentable.app/api/llm-context/US-9612684","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:08:26.264Z"}