{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11281001","patent":{"patent_number":"US-11281001","title":"Index calculation apparatus and display system","assignee":null,"inventors":[],"filing_date":"2020-03-04T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G06F","G06V"],"num_claims":6,"abstract":"An index calculation apparatus is provided with a luminance acquiring unit, a chromaticity acquiring unit and an index calculation unit. The luminance acquiring unit is configured to acquire a luminance Y of an evaluation object of visibility. The chromaticity acquiring unit is configured to acquire a chromaticity U of the evaluation object. The index calculation unit is configured to calculate an index V expressed by following equation by using the luminance Y and the chromaticity U·V=KYU . . . (1), where K is a constant."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Index calculation apparatus and display system","description":"An index calculation apparatus is provided with a luminance acquiring unit, a chromaticity acquiring unit and an index calculation unit. The luminance acquiring unit is configured to acquire a luminan","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11281001","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-11281001","citation_suggestion":"Patentable. \"Index calculation apparatus and display system\" (US-11281001). https://patentable.app/patents/US-11281001","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11281001","json":"https://patentable.app/api/llm-context/US-11281001","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:29:46.715Z"}