{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9690049","patent":{"patent_number":"US-9690049","title":"Optical line protection with digital dispersion compensation module","assignee":null,"inventors":[],"filing_date":"2014-06-17T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04Q","H04Q","H04Q","H04Q","H04Q"],"num_claims":15,"abstract":"Embodiments of present invention provide an optical signal transportation system. The system includes a first and a second optical line protection (OLP) node; a working signal transmission medium and a protection signal transmission medium between the first and second OLP nodes providing transportation paths for an optical signal from the first OLP node to the second OLP node; and at least one digital dispersion compensation module (DDCM) connected to at least one of the working and protection signal transmission media inside the second OLP node, wherein the DDCM includes a plurality of dispersion compensation units (DCUs) with each DCU being capable of providing either a positive or a negative dispersion selected by an optical switch to the optical signal, and wherein the DDCM is capable of providing the optical signal a total dispersion determined by the optical switch of each of the plurality of DCUs."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical line protection with digital dispersion compensation module","description":"Embodiments of present invention provide an optical signal transportation system. The system includes a first and a second optical line protection (OLP) node; a working signal transmission medium and ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9690049","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-9690049","citation_suggestion":"Patentable. \"Optical line protection with digital dispersion compensation module\" (US-9690049). https://patentable.app/patents/US-9690049","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9690049","json":"https://patentable.app/api/llm-context/US-9690049","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:46:40.088Z"}