{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11981538","patent":{"patent_number":"US-11981538","title":"Marking positioning device for elevator","assignee":null,"inventors":[],"filing_date":"2018-08-24T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G05D","G05D"],"num_claims":20,"abstract":"There is provided a marking positioning device for an elevator which is capable of easily performing marking at a designated position inside a hoistway. The marking positioning device for an elevator includes a body portion that flies inside the hoistway of an elevator, a detecting unit provided at the body portion and configured to detect a position of the body portion inside the hoistway, a measuring unit provided at the body portion and configured to measure a three-dimensional shape inside the hoistway, a marking unit provided at the body portion and configured to perform marking, and a control unit provided at the body portion and configured to control flight of the body portion on the basis of the position detected by the detecting unit so that a position of marking by the marking unit is located at a designated position set in the three-dimensional shape measured by the measuring unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Marking positioning device for elevator","description":"There is provided a marking positioning device for an elevator which is capable of easily performing marking at a designated position inside a hoistway. The marking positioning device for an elevator ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11981538","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-11981538","citation_suggestion":"Patentable. \"Marking positioning device for elevator\" (US-11981538). https://patentable.app/patents/US-11981538","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11981538","json":"https://patentable.app/api/llm-context/US-11981538","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:41:36.486Z"}