{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9729209","patent":{"patent_number":"US-9729209","title":"Near field communication method of detection of a tag presence by a tag reader","assignee":null,"inventors":[],"filing_date":"2013-11-20T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["H04B","G06K","G06K","G06K"],"num_claims":22,"abstract":"A Near Field Communication method performed by a tag reader detects whether a tag is present. The method includes stimulating the tag reader's transmitter to generate an impulse response, evaluating the impulse response generated by the transmitter to obtain an evaluated impulse response, and assessing whether a tag is present based on the evaluated impulse response."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Near field communication method of detection of a tag presence by a tag reader","description":"A Near Field Communication method performed by a tag reader detects whether a tag is present. The method includes stimulating the tag reader's transmitter to generate an impulse response, evaluating t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9729209","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-9729209","citation_suggestion":"Patentable. \"Near field communication method of detection of a tag presence by a tag reader\" (US-9729209). https://patentable.app/patents/US-9729209","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9729209","json":"https://patentable.app/api/llm-context/US-9729209","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:13.744Z"}