{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10521985","patent":{"patent_number":"US-10521985","title":"Method of securely opening doors and a system that securely opens doors","assignee":null,"inventors":[],"filing_date":"2017-04-27T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["G07C","G07C","H04W","H04W","G07C","G07C"],"num_claims":11,"abstract":"A method securely opens a door connected to a system and includes a central unit, a mobile terminal, a local control unit and a door opening device that are configured to transmit data. The method includes transmitting a first key to the mobile terminal by the central unit; transmitting the first key to the control unit by the mobile terminal via the door opening device; generating a second key by the control unit depending on the first key; transmitting the second key from the control unit to the mobile terminal via the door opening device; generating a third key by the mobile terminal depending on the second key; transmitting the third key to the central unit by the mobile terminal via the door opening device; and controlling opening of the door depending on the third key by the central unit by transmitting a request to the door opening device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of securely opening doors and a system that securely opens doors","description":"A method securely opens a door connected to a system and includes a central unit, a mobile terminal, a local control unit and a door opening device that are configured to transmit data. The method inc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10521985","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-10521985","citation_suggestion":"Patentable. \"Method of securely opening doors and a system that securely opens doors\" (US-10521985). https://patentable.app/patents/US-10521985","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10521985","json":"https://patentable.app/api/llm-context/US-10521985","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:06:56.147Z"}