{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9712248","patent":{"patent_number":"US-9712248","title":"Optical transmission device and optical transmission method","assignee":null,"inventors":[],"filing_date":"2015-03-17T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["H04B","H04B","H04J","H04L","H04L","H04B"],"num_claims":11,"abstract":"An optical transmission device includes: an optical splitter configured to branch signal light input from a first optical network; a variable optical attenuator configured to control an attenuation amount of first branched signal light branched by the optical splitter and output the first branched signal light for a second optical network; and a controller configured to detect a modulation component of a signal superimposed on the signal light from second branched signal light branched by the optical splitter and control, based on the detected modulation component, an attenuation amount of the variable optical attenuator, so that the modulation component is suppressed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical transmission device and optical transmission method","description":"An optical transmission device includes: an optical splitter configured to branch signal light input from a first optical network; a variable optical attenuator configured to control an attenuation am","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9712248","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-9712248","citation_suggestion":"Patentable. \"Optical transmission device and optical transmission method\" (US-9712248). https://patentable.app/patents/US-9712248","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9712248","json":"https://patentable.app/api/llm-context/US-9712248","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:32:46.862Z"}