{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8526438","patent":{"patent_number":"US-8526438","title":"Bandwidth variable communication apparatus and bandwidth variable communication method","assignee":null,"inventors":[],"filing_date":"2009-09-18T00:00:00.000Z","publication_date":"2013-09-03T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J","H04L","H04J","H04J"],"num_claims":30,"abstract":"A bandwidth variable communication apparatus includes: a route exchange unit including a route exchange function for switching an output port of a stream signal of one or more wavelengths input from an input port based on both or a part of wavelength and time, and including a bandwidth change function for changing passable frequency bandwidth in a section from the input port to the output port through which the stream signal passes; and a control unit including a control information transmit-receive function for transmitting and receiving control information for both or a part of the route exchange function and the bandwidth change function of the route exchange unit, and including a control function for controlling the route exchange unit based on the control information. All or a part of the input ports and the output ports are connected to other communication apparatuses via transmission routes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Bandwidth variable communication apparatus and bandwidth variable communication method","description":"A bandwidth variable communication apparatus includes: a route exchange unit including a route exchange function for switching an output port of a stream signal of one or more wavelengths input from a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8526438","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-8526438","citation_suggestion":"Patentable. \"Bandwidth variable communication apparatus and bandwidth variable communication method\" (US-8526438). https://patentable.app/patents/US-8526438","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8526438","json":"https://patentable.app/api/llm-context/US-8526438","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:37:23.702Z"}