{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9735887","patent":{"patent_number":"US-9735887","title":"Optical reception device and optical reception method","assignee":null,"inventors":[],"filing_date":"2015-07-16T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["H04B","H04B","H04L","H04L","H04L","H04L"],"num_claims":9,"abstract":"An optical reception device according to an exemplary aspect of the invention includes an optical front-end means for demodulating an inputted optical signal, converting the demodulated signal into an electrical signal and outputting the electrical signal, a pre-emphasis means for adding a high frequency component to the electrical signal, a digital signal processing means for receiving input of the electrical signal with the high frequency component added thereto via a transmission wire, and for performing a digital coherent reception process on the inputted electrical signal, an error detection means for detecting a signal error in the digital coherent reception process and a feedback control means for varying the level of a high frequency component added at the pre-emphasis means and, in accordance with signal errors detected at that time, controlling the pre-emphasis means."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical reception device and optical reception method","description":"An optical reception device according to an exemplary aspect of the invention includes an optical front-end means for demodulating an inputted optical signal, converting the demodulated signal into an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9735887","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-9735887","citation_suggestion":"Patentable. \"Optical reception device and optical reception method\" (US-9735887). https://patentable.app/patents/US-9735887","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9735887","json":"https://patentable.app/api/llm-context/US-9735887","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:30:59.347Z"}