{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621137","patent":{"patent_number":"US-9621137","title":"Amplitude normalization circuit, power supply and electronic apparatus","assignee":null,"inventors":[],"filing_date":"2014-12-24T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H02M"],"num_claims":18,"abstract":"An amplitude normalization circuit includes: a peak detector that detects a peak value of a full-wave rectified voltage of an AC voltage; a triangular wave oscillator connected to the peak detector generates a triangular wave voltage having the peak value; a comparator connected to the triangular oscillator compares the triangular wave voltage with the full-wave rectified voltage and outputs a pulse width modulation signal; and a waveform converter connected to the comparator converts a waveform of the pulse width modulation signal and outputs an output voltage with constant amplitude."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Amplitude normalization circuit, power supply and electronic apparatus","description":"An amplitude normalization circuit includes: a peak detector that detects a peak value of a full-wave rectified voltage of an AC voltage; a triangular wave oscillator connected to the peak detector ge","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621137","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-9621137","citation_suggestion":"Patentable. \"Amplitude normalization circuit, power supply and electronic apparatus\" (US-9621137). https://patentable.app/patents/US-9621137","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621137","json":"https://patentable.app/api/llm-context/US-9621137","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:51:42.545Z"}