{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11275984","patent":{"patent_number":"US-11275984","title":"Electronic shelf label (ESL) antenna design","assignee":null,"inventors":[],"filing_date":"2020-08-21T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["G06K","H04B","G06K","G06K","H04B","H04W","H04B"],"num_claims":45,"abstract":"According to various aspects and technical advantages, an apparatus for electronic shelf labels includes a controller circuit for communicating with communication devices using a contactless communication protocol, a set of two or more antenna coils, each antenna coil located at a known position relative to the controller circuit, and a switch for selectively coupling the controller circuit to one or more of the set of antenna coils. The controller circuit is configured to determine a physical location of a communication device based on which antenna coil from the set of antenna coils the communication device is using to communicate with the controller circuit"},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electronic shelf label (ESL) antenna design","description":"According to various aspects and technical advantages, an apparatus for electronic shelf labels includes a controller circuit for communicating with communication devices using a contactless communica","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11275984","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-11275984","citation_suggestion":"Patentable. \"Electronic shelf label (ESL) antenna design\" (US-11275984). https://patentable.app/patents/US-11275984","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11275984","json":"https://patentable.app/api/llm-context/US-11275984","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:35:54.223Z"}