{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621040","patent":{"patent_number":"US-9621040","title":"PWM signal generator and switching power supply device having same","assignee":null,"inventors":[],"filing_date":"2015-08-20T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H02M"],"num_claims":7,"abstract":"A PWM signal generator includes a delay circuit unit, which includes a plurality of delay elements connected in series, an output terminal of the delay element in a final stage among the plurality of delay elements and an input terminal of the delay element in an initial stage among the plurality of delay elements being connected to each other; a selector, which selects any one of output signals of the plurality of delay elements based on a digital value; a PWM signal output unit, which outputs a PWM signal based on the output signal selected by the selector; a delay-amount detector, which detects an amount of delay of a signal due to the delay circuit unit; and a digital value generator, which generates the digital value by correcting predetermined data based on the amount of delay detected by the delay-amount detector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"PWM signal generator and switching power supply device having same","description":"A PWM signal generator includes a delay circuit unit, which includes a plurality of delay elements connected in series, an output terminal of the delay element in a final stage among the plurality of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621040","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-9621040","citation_suggestion":"Patentable. \"PWM signal generator and switching power supply device having same\" (US-9621040). https://patentable.app/patents/US-9621040","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621040","json":"https://patentable.app/api/llm-context/US-9621040","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T17:45:43.578Z"}