{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9680597","patent":{"patent_number":"US-9680597","title":"Optical branching/coupling device and optical branching/coupling method","assignee":null,"inventors":[],"filing_date":"2013-09-24T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J","H04Q","H04Q"],"num_claims":8,"abstract":"In order to add a CDC function to a ROADM system currently incompatible with CDC, without requiring any service outage, an optical communication system of the present invention includes: an optical demultiplexing unit 1-1 and 1-2 which each demultiplexes a wavelength-multiplexed optical signal inputted thereto and an optical multiplexing unit 2-1 and 2-2 which each multiplexes together some of, specifically at least two or more of, the components of the wavelength-multiplexed optical signal having been demultiplexed by the optical demultiplexing unit 1-1 or 1-2; and an optical path selection unit 3 which selectively outputs either the optical signal multiplexed by the optical multiplexing unit 2-1 or that by the optical multiplexing unit 2-2, in a form of at least two or more output optical signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical branching/coupling device and optical branching/coupling method","description":"In order to add a CDC function to a ROADM system currently incompatible with CDC, without requiring any service outage, an optical communication system of the present invention includes: an optical de","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9680597","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-9680597","citation_suggestion":"Patentable. \"Optical branching/coupling device and optical branching/coupling method\" (US-9680597). https://patentable.app/patents/US-9680597","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9680597","json":"https://patentable.app/api/llm-context/US-9680597","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:40:34.801Z"}