{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11258478","patent":{"patent_number":"US-11258478","title":"Autonomously motile device with residual echo suppression","assignee":null,"inventors":[],"filing_date":"2019-09-17T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["H04B","G01S","G01S","H04M"],"num_claims":21,"abstract":"A device capable of autonomous motion includes a residual echo suppressor for suppressing echoes caused by an output reference signal. When the device outputs audio while moving with a velocity, it may receive echoes that are Doppler-shifted due to the motion. The residual echo suppressor generates estimated residual error data based on phase-shifted reference data to account for and suppress the Doppler-shifted echoes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Autonomously motile device with residual echo suppression","description":"A device capable of autonomous motion includes a residual echo suppressor for suppressing echoes caused by an output reference signal. When the device outputs audio while moving with a velocity, it ma","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11258478","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-11258478","citation_suggestion":"Patentable. \"Autonomously motile device with residual echo suppression\" (US-11258478). https://patentable.app/patents/US-11258478","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11258478","json":"https://patentable.app/api/llm-context/US-11258478","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:31.106Z"}