{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11279387","patent":{"patent_number":"US-11279387","title":"Train direction detection apparatus and method","assignee":null,"inventors":[],"filing_date":"2015-03-31T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["B61L","B61L","B61L","B61L","G01C"],"num_claims":11,"abstract":"The present invention relates generally to a train direction detection device and a method of determining the direction of travel. The train direction detection device analyzes the characteristics, such as impedance, of an electrical circuit implemented on a railroad to determine the direction of approach of a train. The invention is adapted to integrate with occupancy or grade crossing circuits commonly used by railroads at grade crossings."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Train direction detection apparatus and method","description":"The present invention relates generally to a train direction detection device and a method of determining the direction of travel. The train direction detection device analyzes the characteristics, su","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11279387","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-11279387","citation_suggestion":"Patentable. \"Train direction detection apparatus and method\" (US-11279387). https://patentable.app/patents/US-11279387","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11279387","json":"https://patentable.app/api/llm-context/US-11279387","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:13:35.078Z"}