{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11463169","patent":{"patent_number":"US-11463169","title":"Wavelength dispersion amount estimation apparatus","assignee":null,"inventors":[],"filing_date":"2020-01-15T00:00:00.000Z","publication_date":"2022-10-04T00:00:00.000Z","cpc_codes":["H04B","H04B"],"num_claims":8,"abstract":"A wavelength dispersion amount estimation apparatus includes a correlation signal generation unit configured to generate, from a receive signal, a first signal including a main signal of the receive signal and a second signal, which includes an image signal corresponding to the main signal, with a shift by a baud rate of the receive signal relative to the first signal in a frequency domain, a correlation calculation unit configured to calculate a cross correlation of the first signal and the second signal, and a dispersion amount calculation unit configured to calculate a wavelength dispersion amount, based on a position of a peak of the cross correlation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wavelength dispersion amount estimation apparatus","description":"A wavelength dispersion amount estimation apparatus includes a correlation signal generation unit configured to generate, from a receive signal, a first signal including a main signal of the receive s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11463169","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-11463169","citation_suggestion":"Patentable. \"Wavelength dispersion amount estimation apparatus\" (US-11463169). https://patentable.app/patents/US-11463169","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11463169","json":"https://patentable.app/api/llm-context/US-11463169","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:20:39.467Z"}