{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8532489","patent":{"patent_number":"US-8532489","title":"Multi-fiber ten gigabit passive optical network optical line terminal for optical distribution network coexistence with gigabit passive optical network","assignee":null,"inventors":[],"filing_date":"2010-02-22T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J","H04J","H04Q","H04Q","H04Q"],"num_claims":15,"abstract":"An apparatus comprising a wavelength division multiplexing (WDM) coupler configured to couple an optical line terminal (OLT) comprising a transmitter and a receiver, wherein the WDM coupler is coupled to the transmitter via a first fiber and to the receiver via a second fiber. An apparatus comprising a WDM coupler for a passive optical network (PON) comprising a plurality of filters and a plurality of ports, wherein the WDM coupler comprises fewer filters than ports. A method comprising receiving a downstream optical signal intended for an optical network terminal (ONT) via a first fiber, and transmitting an upstream optical signal received from the ONT via a second fiber."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-fiber ten gigabit passive optical network optical line terminal for optical distribution network coexistence with gigabit passive optical network","description":"An apparatus comprising a wavelength division multiplexing (WDM) coupler configured to couple an optical line terminal (OLT) comprising a transmitter and a receiver, wherein the WDM coupler is coupled","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8532489","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-8532489","citation_suggestion":"Patentable. \"Multi-fiber ten gigabit passive optical network optical line terminal for optical distribution network coexistence with gigabit passive optical network\" (US-8532489). https://patentable.app/patents/US-8532489","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8532489","json":"https://patentable.app/api/llm-context/US-8532489","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:51:28.000Z"}