{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8537691","patent":{"patent_number":"US-8537691","title":"Path-continuity check method and transmission device","assignee":null,"inventors":[],"filing_date":"2010-11-12T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":11,"abstract":"Disclosed is a path-continuity check method for checking continuity of a path. The method includes transmitting a check frame by a node device on an upstream side and receiving the check frame by a node device on a downstream side; registering, by the node device on the upstream side, path information of the check frame and a transmission port in a transmission learning table together with a downstream learning number as a table number of a reception learning table of the node device on the downstream side in which the path information is registered; and setting, by the node device on the upstream side, plural of the downstream learning numbers registered in the transmission learning table in one aggregation check frame as table number ON information items and transmitting, by the node device on the upstream side, the one aggregation check frame to the node device on the downstream side."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Path-continuity check method and transmission device","description":"Disclosed is a path-continuity check method for checking continuity of a path. The method includes transmitting a check frame by a node device on an upstream side and receiving the check frame by a no","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8537691","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-8537691","citation_suggestion":"Patentable. \"Path-continuity check method and transmission device\" (US-8537691). https://patentable.app/patents/US-8537691","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8537691","json":"https://patentable.app/api/llm-context/US-8537691","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:37:11.806Z"}