{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11256233","patent":{"patent_number":"US-11256233","title":"Numerical controller","assignee":null,"inventors":[],"filing_date":"2020-08-31T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G05B","G05B","G05B","G05B","G05B","G05B","G05B"],"num_claims":6,"abstract":"A numerical controller includes a look-ahead unit configured to look ahead a block in the program into a buffer, a remaining block determination unit configured to determine whether retraction of a tool is needed or return of the tool is needed based on an amount of the block looked ahead in the buffer, a tool operation control unit configured to control retraction and return of the tool when the remaining block determination unit determines that retraction of the tool is needed, a block division unit configured to divide a block to divide at a position apart from both ends of the block according to a command from the tool operation control unit, and a tool path generation unit configured to generate a tool retraction path and a tool return path and insert the generated paths into a divided position in the block divided by the block division unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Numerical controller","description":"A numerical controller includes a look-ahead unit configured to look ahead a block in the program into a buffer, a remaining block determination unit configured to determine whether retraction of a to","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11256233","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-11256233","citation_suggestion":"Patentable. \"Numerical controller\" (US-11256233). https://patentable.app/patents/US-11256233","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11256233","json":"https://patentable.app/api/llm-context/US-11256233","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:36:20.423Z"}