{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9698777","patent":{"patent_number":"US-9698777","title":"Secured keyboard readout using capacitance matrix","assignee":null,"inventors":[],"filing_date":"2016-05-23T00:00:00.000Z","publication_date":"2017-07-04T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G07F"],"num_claims":13,"abstract":"An apparatus includes a keyboard and circuitry. The keyboard includes at least an interface line and a key. The key is configured to connect the interface line to first and second different capacitances when positioned in first and second positions, respectively. The circuitry is connected to the interface line and is configured to detect whether the key is in the first position or in the second position, by sensing electrical current flowing on the interface line in response to a stimulation waveform."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Secured keyboard readout using capacitance matrix","description":"An apparatus includes a keyboard and circuitry. The keyboard includes at least an interface line and a key. The key is configured to connect the interface line to first and second different capacitanc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9698777","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-9698777","citation_suggestion":"Patentable. \"Secured keyboard readout using capacitance matrix\" (US-9698777). https://patentable.app/patents/US-9698777","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9698777","json":"https://patentable.app/api/llm-context/US-9698777","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:42:55.764Z"}