{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8510990","patent":{"patent_number":"US-8510990","title":"Presence detector for a door assembly","assignee":null,"inventors":[],"filing_date":"2009-02-26T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S"],"num_claims":31,"abstract":"A presence detector for a door assembly which includes a door closing a door entrance is described herein. The detector includes a transducer assembly mounted to the door assembly for emitting at least one ultrasound detecting beam adjacent the door entrance and for triggering a detecting signal indicative of a body located adjacent the door entrance when the body intersects the at least one ultrasound detecting beam and a controller for receiving information indicative of a position of the door and for controlling the emission of the at least one detecting beam accordingly with the position of the door. The detector assembly operates in crossing, ranging or dual modes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Presence detector for a door assembly","description":"A presence detector for a door assembly which includes a door closing a door entrance is described herein. The detector includes a transducer assembly mounted to the door assembly for emitting at leas","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8510990","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-8510990","citation_suggestion":"Patentable. \"Presence detector for a door assembly\" (US-8510990). https://patentable.app/patents/US-8510990","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8510990","json":"https://patentable.app/api/llm-context/US-8510990","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:57:10.736Z"}