{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9592013","patent":{"patent_number":"US-9592013","title":"Method for determining an instant velocity of a user and for improving estimation of heart rate","assignee":null,"inventors":[],"filing_date":"2015-02-20T00:00:00.000Z","publication_date":"2017-03-14T00:00:00.000Z","cpc_codes":["A61B","A61B","A61B","A61B","A61B","A61B","G01C","G06V","A61B","A61B","A61B","A61B","A61B","A61B","A61B","G06F"],"num_claims":16,"abstract":"The present disclosure concerns a method for determining an instant velocity of a user using a sensing device destined to be worn on an arm of the user and comprising a motion sensor for measuring a motion signal; the method comprising: measuring the motion signal and identifying when the user is performing a rhythmical activity; identifying when the user is walking or running; providing a relationship between the measured motion signal and corresponding motion features relating to a propulsive impulsion of a user's step; estimating a frequency of the user's step and a user-relative step length of the user using the motion features; and determining a user-relative instants velocity by combining the estimated step frequency and the estimated step length; the instant velocity being determined from the user-relative instant velocity using a calibration factor from the user-relative instant velocity using a calibration factor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for determining an instant velocity of a user and for improving estimation of heart rate","description":"The present disclosure concerns a method for determining an instant velocity of a user using a sensing device destined to be worn on an arm of the user and comprising a motion sensor for measuring a m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9592013","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-9592013","citation_suggestion":"Patentable. \"Method for determining an instant velocity of a user and for improving estimation of heart rate\" (US-9592013). https://patentable.app/patents/US-9592013","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9592013","json":"https://patentable.app/api/llm-context/US-9592013","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:13:33.427Z"}