{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9632981","patent":{"patent_number":"US-9632981","title":"Calibration of a chest-mounted wireless sensor device for posture and activity detection","assignee":null,"inventors":[],"filing_date":"2013-05-22T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["A61B","A61B","A61B","A61B","A61B","A61B","G06F","G07C","A61B","A61B","A61B","A61B","A61B","G01D","G06F"],"num_claims":18,"abstract":"A method and system for calibrating a wireless sensor device are disclosed. In a first aspect, the method comprises determining a vertical calibration vector and determining a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine a vertical calibration vector and to determine a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Calibration of a chest-mounted wireless sensor device for posture and activity detection","description":"A method and system for calibrating a wireless sensor device are disclosed. In a first aspect, the method comprises determining a vertical calibration vector and determining a rotation matrix using th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9632981","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-9632981","citation_suggestion":"Patentable. \"Calibration of a chest-mounted wireless sensor device for posture and activity detection\" (US-9632981). https://patentable.app/patents/US-9632981","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9632981","json":"https://patentable.app/api/llm-context/US-9632981","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:43:01.876Z"}