{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9673929","patent":{"patent_number":"US-9673929","title":"Optical transmission apparatus and optical transmission system","assignee":null,"inventors":[],"filing_date":"2015-07-28T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H04B","H04B","H04J"],"num_claims":14,"abstract":"An optical transmission apparatus including: an attenuator that attenuates a power of a first optical signal generated in a first modulation method to a first target level and attenuates a power of a second optical signal generated in a second modulation method, a modulation level in the second modulation method being lower than the modulation level in the first modulation method, to a second target level, the second target level being lower than the first target level; and a transmitter that sends a WDM signal including the first optical signal and the second optical signal that have been attenuated by the attenuator."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical transmission apparatus and optical transmission system","description":"An optical transmission apparatus including: an attenuator that attenuates a power of a first optical signal generated in a first modulation method to a first target level and attenuates a power of a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9673929","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-9673929","citation_suggestion":"Patentable. \"Optical transmission apparatus and optical transmission system\" (US-9673929). https://patentable.app/patents/US-9673929","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9673929","json":"https://patentable.app/api/llm-context/US-9673929","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:41:34.021Z"}