{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9589221","patent":{"patent_number":"US-9589221","title":"Method of operating smart card and method of operating smart card system including the same","assignee":null,"inventors":[],"filing_date":"2015-08-06T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["G06K","G06F","G06F","G06F","G06K","G06K","G06K","G06Q"],"num_claims":20,"abstract":"A smart card may include data storage and transmission circuitry, a plurality of voltage controllers to supply operational power to card circuitry, a plurality of oscillators to supply an internal clock for the card, and power management circuitry. The power management circuitry may be configured to shut down the oscillators and at least one, but not all, voltage controllers during a period after a data transmission is completed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of operating smart card and method of operating smart card system including the same","description":"A smart card may include data storage and transmission circuitry, a plurality of voltage controllers to supply operational power to card circuitry, a plurality of oscillators to supply an internal clo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9589221","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-9589221","citation_suggestion":"Patentable. \"Method of operating smart card and method of operating smart card system including the same\" (US-9589221). https://patentable.app/patents/US-9589221","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9589221","json":"https://patentable.app/api/llm-context/US-9589221","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:39:55.027Z"}