{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9647790","patent":{"patent_number":"US-9647790","title":"Reconfigurable optical switch apparatus","assignee":null,"inventors":[],"filing_date":"2013-01-15T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J","H04Q","H04Q","H04J","H04Q","H04Q","H04Q"],"num_claims":18,"abstract":"A reconfigurable optical switch apparatus comprising m input ports, m output ports, k add ports, k drop ports and a switch matrix comprising m×k wavelength selective optical switches arranged in m rows and k columns. Each switch comprises first, second, third and fourth ports. The columns are grouped in adjacent pairs, in each pair a first column being connected to a respective drop port on a first side of the switch matrix and each wavelength selective switch in said first column having the fourth port arranged on said first side and a second column, adjacent the first column, being connected to a respective drop port on a second side, opposite the first side, of the switch matrix and each wavelength selective switch in said second column having the fourth port arranged on said second side."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Reconfigurable optical switch apparatus","description":"A reconfigurable optical switch apparatus comprising m input ports, m output ports, k add ports, k drop ports and a switch matrix comprising m×k wavelength selective optical switches arranged in m row","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9647790","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-9647790","citation_suggestion":"Patentable. \"Reconfigurable optical switch apparatus\" (US-9647790). https://patentable.app/patents/US-9647790","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9647790","json":"https://patentable.app/api/llm-context/US-9647790","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:38:43.962Z"}