{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9847833","patent":{"patent_number":"US-9847833","title":"Optical signal-to-noise ratio (OSNR) monitoring and measurement in optical communications sytems","assignee":null,"inventors":[],"filing_date":"2015-06-12T00:00:00.000Z","publication_date":"2017-12-19T00:00:00.000Z","cpc_codes":["H04B","H04B"],"num_claims":9,"abstract":"Disclosed are methods for monitoring and measuring Optical Signal-To-Noise Ratios in optical communications systems. One exemplary method involves intentionally inserting zero power symbols into an optical signal stream such that those periods of time in which only zero power symbols are transmitted may be detected and compared with periods of time in which signals modulated with information including both signal and noise are detected such that the OSNR may be determined."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical signal-to-noise ratio (OSNR) monitoring and measurement in optical communications sytems","description":"Disclosed are methods for monitoring and measuring Optical Signal-To-Noise Ratios in optical communications systems. One exemplary method involves intentionally inserting zero power symbols into an op","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9847833","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-9847833","citation_suggestion":"Patentable. \"Optical signal-to-noise ratio (OSNR) monitoring and measurement in optical communications sytems\" (US-9847833). https://patentable.app/patents/US-9847833","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9847833","json":"https://patentable.app/api/llm-context/US-9847833","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:59:46.196Z"}