{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11237243","patent":{"patent_number":"US-11237243","title":"Method, device, computer program and computer program product for determining whether a portable key device is located in an active area in relation to a barrier","assignee":null,"inventors":[],"filing_date":"2016-03-24T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["G01S","G01S","G07C","G07C"],"num_claims":13,"abstract":"It is presented a method for determining whether a portable key device is located in an active area in relation to a barrier. The method is performed in an access control device and comprises the steps of: detecting an angle of arrival of a wireless signal from the portable key device using a pair of antennas provided such that a line between the pair of antennas crosses the barrier; and determining whether the portable key device is located within the active area based on the angle of arrival."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method, device, computer program and computer program product for determining whether a portable key device is located in an active area in relation to a barrier","description":"It is presented a method for determining whether a portable key device is located in an active area in relation to a barrier. The method is performed in an access control device and comprises the step","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11237243","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-11237243","citation_suggestion":"Patentable. \"Method, device, computer program and computer program product for determining whether a portable key device is located in an active area in relation to a barrier\" (US-11237243). https://patentable.app/patents/US-11237243","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11237243","json":"https://patentable.app/api/llm-context/US-11237243","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:03:29.101Z"}