{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9841389","patent":{"patent_number":"US-9841389","title":"Photon-counting type X-ray computed tomography apparatus and method","assignee":null,"inventors":[],"filing_date":"2015-01-14T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["G01N","A61B","A61B","A61B"],"num_claims":12,"abstract":"A photon-counting type X-ray computed tomography apparatus that comprises a high-voltage generator to generate a voltage signal, an X-ray tube to emit X-rays when the X-ray tube receives the voltage signal from the high-voltage generator, an X-ray detector to detect photons derived from the X-rays emitted from the X-ray tube, and circuitry to count a number of the detected photons with respect to a plurality of energy bands, detect a number of photons in a first energy band that exceeds an energy level corresponding to a voltage value of the voltage signal, and changing a number of photons at a second energy band based on the detected number of photons in the first energy band, to correct for operational limitations of the X-ray detector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Photon-counting type X-ray computed tomography apparatus and method","description":"A photon-counting type X-ray computed tomography apparatus that comprises a high-voltage generator to generate a voltage signal, an X-ray tube to emit X-rays when the X-ray tube receives the voltage s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9841389","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-9841389","citation_suggestion":"Patentable. \"Photon-counting type X-ray computed tomography apparatus and method\" (US-9841389). https://patentable.app/patents/US-9841389","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9841389","json":"https://patentable.app/api/llm-context/US-9841389","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:18:22.280Z"}