{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774847","patent":{"patent_number":"US-9774847","title":"Dual-port testing of a cable network","assignee":null,"inventors":[],"filing_date":"2016-05-20T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":20,"abstract":"A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, performing spectral analysis of the signal, etc. Testing results may be correlated with one another, both visually and by using pre-defined test metrics comprising a weighted sum of demodulation and decoding parameters such as modulation extinction ratio and a codeword error."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Dual-port testing of a cable network","description":"A dual-port testing apparatus is provided for testing a cable network at two test points. The testing may comprise demodulation of a same data packet at the test points, decoding the data packet, perf","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774847","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-9774847","citation_suggestion":"Patentable. \"Dual-port testing of a cable network\" (US-9774847). https://patentable.app/patents/US-9774847","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774847","json":"https://patentable.app/api/llm-context/US-9774847","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:17:49.353Z"}