{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8462121","patent":{"patent_number":"US-8462121","title":"Circuit for reading buttons and controlling light emitting diodes","assignee":null,"inventors":[],"filing_date":"2011-02-22T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["G09G"],"num_claims":12,"abstract":"A circuit including a first pin connection, a second pin connection, a first diode-switch arrangement and a second diode-switch arrangement. The first diode-switch arrangement is connected in series and configured to allow a current to pass from the second pin connection to the first pin connection. The second diode-switch arrangement is connected in series and configured to allow a current to pass from the first pin connection to the second pin connection. An energized state of the first and second diode-switch arrangements is determined according to a voltage detected on the first or second pin connection."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Circuit for reading buttons and controlling light emitting diodes","description":"A circuit including a first pin connection, a second pin connection, a first diode-switch arrangement and a second diode-switch arrangement. The first diode-switch arrangement is connected in series a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8462121","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-8462121","citation_suggestion":"Patentable. \"Circuit for reading buttons and controlling light emitting diodes\" (US-8462121). https://patentable.app/patents/US-8462121","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8462121","json":"https://patentable.app/api/llm-context/US-8462121","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:07:36.747Z"}