{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10523315","patent":{"patent_number":"US-10523315","title":"Systems and method of multi-band pilot tone based optical performance monitoring","assignee":null,"inventors":[],"filing_date":"2017-04-05T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04L","H04L"],"num_claims":20,"abstract":"Systems and methods for applying a pilot tone to multiple spectral bands are provided. An initial signal is divided into multiple spectral bands. A pilot tone is applied to each of the spectral bands, and then the signals are again combined for transmission. The pilot tones differ in some way, for example in phase or frequency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and method of multi-band pilot tone based optical performance monitoring","description":"Systems and methods for applying a pilot tone to multiple spectral bands are provided. An initial signal is divided into multiple spectral bands. A pilot tone is applied to each of the spectral bands,","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10523315","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-10523315","citation_suggestion":"Patentable. \"Systems and method of multi-band pilot tone based optical performance monitoring\" (US-10523315). https://patentable.app/patents/US-10523315","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10523315","json":"https://patentable.app/api/llm-context/US-10523315","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:35:32.483Z"}