{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11510539","patent":{"patent_number":"US-11510539","title":"Auto clean machine, cliff determining method and surface type determining method","assignee":null,"inventors":[],"filing_date":"2019-05-30T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["B25J","G05D","G06T","G06T"],"num_claims":20,"abstract":"An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting external light; an optical sensor, configured to sense optical data generated according to the external light or according to the internal light; and a control circuit, configured to analyze optical information of the optical data. If the internal light source is activated, the external light source is de-activated and the control circuit determines variation of the optical information is larger than a variation threshold, the control circuit changes the internal light source to be non-activated and the external light source to be activated."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Auto clean machine, cliff determining method and surface type determining method","description":"An auto clean machine comprising: a chassis; an internal light source, located inside the chassis, for emitting internal light; an external light source, located outside the chassis, for emitting exte","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11510539","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-11510539","citation_suggestion":"Patentable. \"Auto clean machine, cliff determining method and surface type determining method\" (US-11510539). https://patentable.app/patents/US-11510539","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11510539","json":"https://patentable.app/api/llm-context/US-11510539","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:14:02.354Z"}