{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9652859","patent":{"patent_number":"US-9652859","title":"Method of measuring a property of a trajectory of a ball with a mobile computer device","assignee":null,"inventors":[],"filing_date":"2016-11-03T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["G06T","G06F","G06T","G06T","H04N","G06T"],"num_claims":20,"abstract":"Methods for determining a property of a trajectory of a ball with a mobile computer device are described, which include: (a) capturing a sequence of video frames of the ball with a camera of the mobile computer device; (b) determining a first picture coordinate of the ball in a first video frame of the sequence; (c) determining a second picture coordinate of the ball in a second video frame of the sequence; and (d) computing a property of the trajectory of the ball based on a difference of the first and second picture coordinates, a time difference between the first and second video picture and a reference quantity, which may be determined based on a form and/or dimension of the ball in a picture taken with the camera."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of measuring a property of a trajectory of a ball with a mobile computer device","description":"Methods for determining a property of a trajectory of a ball with a mobile computer device are described, which include: (a) capturing a sequence of video frames of the ball with a camera of the mobil","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9652859","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-9652859","citation_suggestion":"Patentable. \"Method of measuring a property of a trajectory of a ball with a mobile computer device\" (US-9652859). https://patentable.app/patents/US-9652859","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9652859","json":"https://patentable.app/api/llm-context/US-9652859","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T18:31:11.765Z"}