{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8531663","patent":{"patent_number":"US-8531663","title":"Particle diameter distribution measurement device","assignee":null,"inventors":[],"filing_date":"2013-02-15T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":3,"abstract":"A dynamic scattering type particle diameter distribution measurement device comprising a light receiving part that receives scattered light emitted from the particle group and that outputs a pulse signal in accordance with a photon number of the received light, a plurality of multibit counters that receives the pulse signal while a gate is open and counts a pulse number, a correlator that obtains auto-correlation data from time series data of the pulse number, and a calculation part that calculates particle diameter distribution based on the auto-correlation data, a gate time changing part that changes gate time once or a plurality of times and a gate time judging part that compares mutually the differences between the maximum value and the minimum value of the auto-correlation data output every time the gate time is changed and judges the gate time corresponding to the maximum difference as a recommended value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Particle diameter distribution measurement device","description":"A dynamic scattering type particle diameter distribution measurement device comprising a light receiving part that receives scattered light emitted from the particle group and that outputs a pulse sig","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8531663","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-8531663","citation_suggestion":"Patentable. \"Particle diameter distribution measurement device\" (US-8531663). https://patentable.app/patents/US-8531663","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8531663","json":"https://patentable.app/api/llm-context/US-8531663","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T21:51:15.159Z"}