{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493558","patent":{"patent_number":"US-8493558","title":"Surface inspection apparatus","assignee":null,"inventors":[],"filing_date":"2009-10-08T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N"],"num_claims":2,"abstract":"A surface inspection apparatus includes an irradiating unit that has a plurality of light sources that respectively emit a plurality of illumination light beams having different wavelength ranges, and irradiates an inspection surface as a surface of a body to be inspected with the illumination light beams, in a condition where the light sources are located adjacent to each other and arranged in a given order along the inspection surface, an imaging unit that images reflected light when the illumination light beams are reflected by the inspection surface, so as to obtain a plurality of items of image data corresponding to the respective wavelength ranges, and a control unit that detects a detection object on the inspection surface, based on the items of image data corresponding to the respective wavelength ranges which are obtained by the imaging unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Surface inspection apparatus","description":"A surface inspection apparatus includes an irradiating unit that has a plurality of light sources that respectively emit a plurality of illumination light beams having different wavelength ranges, and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493558","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-8493558","citation_suggestion":"Patentable. \"Surface inspection apparatus\" (US-8493558). https://patentable.app/patents/US-8493558","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493558","json":"https://patentable.app/api/llm-context/US-8493558","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:46:01.177Z"}