{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9768862","patent":{"patent_number":"US-9768862","title":"Slave station apparatus, master station apparatus, control device, communication system, and wavelength switching method","assignee":null,"inventors":[],"filing_date":"2013-11-01T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04J","H04J","H04L","H04L","H04Q","H04Q","H04Q","H04Q"],"num_claims":2,"abstract":"An ONU communicates with an OLT that can transmit optical signals having different wavelengths simultaneously and receive optical signals having different wavelengths simultaneously. The ONU includes: an optical transceiver that receives any one of the optical signals that the OLT can transmit and transmits any one of the optical signals that the OLT can receive; a communication failure detection unit that detects a communication failure between the OLT and the ONU; and a wavelength selection unit that, when the communication failure detection unit detects a communication failure, changes a setting of a downstream wavelength to be received by the optical transceiver and an upstream wavelength to be transmitted by the optical transceiver."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Slave station apparatus, master station apparatus, control device, communication system, and wavelength switching method","description":"An ONU communicates with an OLT that can transmit optical signals having different wavelengths simultaneously and receive optical signals having different wavelengths simultaneously. The ONU includes:","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9768862","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-9768862","citation_suggestion":"Patentable. \"Slave station apparatus, master station apparatus, control device, communication system, and wavelength switching method\" (US-9768862). https://patentable.app/patents/US-9768862","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9768862","json":"https://patentable.app/api/llm-context/US-9768862","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:44:47.817Z"}