{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9727531","patent":{"patent_number":"US-9727531","title":"Fast fourier transform circuit, fast fourier transform processing method, and program recording medium","assignee":null,"inventors":[],"filing_date":"2013-11-19T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":9,"abstract":"Provided is a fast Fourier transform circuit including: a first butterfly circuit and a second butterfly circuit which perform butterfly calculations corresponding to calculation bit-widths being different from each other; and a control means which controls selection of the first and second butterfly circuits in accordance with any one of a plurality of operation modes including: a first operation mode in which a calculation is performed by both of the first and second butterfly circuits; and a second operation mode in which a calculation is performed by any one of the first and second butterfly circuits."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fast fourier transform circuit, fast fourier transform processing method, and program recording medium","description":"Provided is a fast Fourier transform circuit including: a first butterfly circuit and a second butterfly circuit which perform butterfly calculations corresponding to calculation bit-widths being diff","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9727531","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-9727531","citation_suggestion":"Patentable. \"Fast fourier transform circuit, fast fourier transform processing method, and program recording medium\" (US-9727531). https://patentable.app/patents/US-9727531","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9727531","json":"https://patentable.app/api/llm-context/US-9727531","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:41:51.574Z"}