{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10491270","patent":{"patent_number":"US-10491270","title":"Near-field device","assignee":null,"inventors":[],"filing_date":"2018-11-26T00:00:00.000Z","publication_date":"2019-11-26T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B"],"num_claims":17,"abstract":"One example discloses a near-field device, configured to receive a non-propagating quasi-static near-field signal from a near-field antenna, comprising: a tuning circuit including a set of impedance tuning banks; and a controller configured to, identify a set of impedance values for the impedance tuning banks corresponding to an initial resonance frequency, bandwidth and/or quality factor of the near-field antenna and near-field device combination; detect a change in the resonance frequency, bandwidth and/or quality factor; access a pre-stored set of specific resonance frequency, bandwidth and/or quality factor changes corresponding to a set of specific conductive structures; identify a conductive structure from the set of conductive structures corresponding to the detected change; access a pre-stored set of specific near-field device actions corresponding to the set of conductive structures; and effect a set of specific actions from the set of near-field device actions corresponding to the identified conductive structure."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Near-field device","description":"One example discloses a near-field device, configured to receive a non-propagating quasi-static near-field signal from a near-field antenna, comprising: a tuning circuit including a set of impedance t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10491270","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-10491270","citation_suggestion":"Patentable. \"Near-field device\" (US-10491270). https://patentable.app/patents/US-10491270","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10491270","json":"https://patentable.app/api/llm-context/US-10491270","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:44:05.539Z"}