{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8510354","patent":{"patent_number":"US-8510354","title":"Calculation of trigonometric functions in an integrated circuit device","assignee":null,"inventors":[],"filing_date":"2010-03-12T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":40,"abstract":"Circuitry for computing on x and y datapaths a trigonometric function of an input on a z datapath includes a comparison element to determine that the input is at or above a threshold, or below the threshold. The circuitry also includes a first left-shifter for shifting the z datapath by a constant when the input is below the threshold, and a second left-shifter for shifting an initialization value of the x datapath when the input is below the threshold. The circuitry further includes a look-up table including inverse tangent values based on negative powers of 2, and based on negative powers of 2-plus-the-constant and shifted by the constant, for adding to/subtracting from the z datapath, shifters for right-shifting elements of the x and y datapaths by amounts incorporating the constant and respective predetermined shift amounts that are adjusted when the input is below the threshold."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Calculation of trigonometric functions in an integrated circuit device","description":"Circuitry for computing on x and y datapaths a trigonometric function of an input on a z datapath includes a comparison element to determine that the input is at or above a threshold, or below the thr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8510354","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-8510354","citation_suggestion":"Patentable. \"Calculation of trigonometric functions in an integrated circuit device\" (US-8510354). https://patentable.app/patents/US-8510354","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8510354","json":"https://patentable.app/api/llm-context/US-8510354","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:45:31.856Z"}