{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10495438","patent":{"patent_number":"US-10495438","title":"Measurement device","assignee":null,"inventors":[],"filing_date":"2019-02-19T00:00:00.000Z","publication_date":"2019-12-03T00:00:00.000Z","cpc_codes":["G01N","G06T"],"num_claims":15,"abstract":"A measurement device includes: an optical system that splits incident light into two lights to emit one light as measurement light to a measurement object and the other light as reference light to a reference surface, and recombines the two lights to emit combined light; a light emitter that emits light entering the optical system; an imaging system that takes an image of output light emitted from the optical system; and a processor that executes measurement with regard to a predetermined measurement area of the measurement object, based on an interference fringe image taken by the imaging system, wherein the processor: obtains complex amplitude data at a predetermined position in an optical axis direction at predetermined intervals in at least a predetermined range in the optical axis direction, with regard to a specific area set in advance in the measurement area based on the interference fringe image."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Measurement device","description":"A measurement device includes: an optical system that splits incident light into two lights to emit one light as measurement light to a measurement object and the other light as reference light to a r","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10495438","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-10495438","citation_suggestion":"Patentable. \"Measurement device\" (US-10495438). https://patentable.app/patents/US-10495438","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10495438","json":"https://patentable.app/api/llm-context/US-10495438","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:41:58.232Z"}