{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11247340","patent":{"patent_number":"US-11247340","title":"Method and apparatus of non-contact tool center point calibration for a mechanical arm, and a mechanical arm system with said calibration function","assignee":null,"inventors":[],"filing_date":"2018-12-26T00:00:00.000Z","publication_date":"2022-02-15T00:00:00.000Z","cpc_codes":["B25J","B25J","G05B"],"num_claims":8,"abstract":"This disclosure is related to a non-contact tool center point calibration method for a robot arm, and the method comprises: obtaining a coordinate transformation relationship between a flange surface of the robot arm and cameras by a hand-eye calibration algorithm; constructing a space coordinate system by a stereoscopic reconstruction method; actuating a replaceable member fixed with the flange surface to present postures in a union field of view of the cameras sequentially, recording feature coordinates of the replaceable member in the space coordinate system, and recording flange surface coordinates which is under the postures in the space coordinate system; obtaining a transformation relationship between a tool center point and the flange surface; and updating the transformation relationship into a control program of the robot arm. Moreover, the disclosure further discloses a calibration device performing the calibration method and a robot arm system having the calibration function."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus of non-contact tool center point calibration for a mechanical arm, and a mechanical arm system with said calibration function","description":"This disclosure is related to a non-contact tool center point calibration method for a robot arm, and the method comprises: obtaining a coordinate transformation relationship between a flange surface ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11247340","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-11247340","citation_suggestion":"Patentable. \"Method and apparatus of non-contact tool center point calibration for a mechanical arm, and a mechanical arm system with said calibration function\" (US-11247340). https://patentable.app/patents/US-11247340","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11247340","json":"https://patentable.app/api/llm-context/US-11247340","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:17.659Z"}