{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477519","patent":{"patent_number":"US-8477519","title":"Method for controlling a switching power unit using an AC/DC converter, a power factor correction unit, and a DC/DC converter unit","assignee":null,"inventors":[],"filing_date":"2011-07-06T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["H02M"],"num_claims":15,"abstract":"There is provided a method for controlling a switching power unit that converts AC input voltages of an AC source into a DC voltages while improving a power-factor of the AC input voltages, the switching power unit comprising an AC/DC converter circuit that is composed of a power-factor correction unit and a current resonance converter unit wherein at least a part of switching elements of the current resonance converter unit is shared with switching elements of the power-factor correction unit, wherein around timing that polarities of the AC source are switched between a positive half cycle and a negative half cycle, ON-and-OFF control of the switching elements are performed as that high frequency voltages that are applied to a primary winding of a high frequency transformer which is a part of the current resonance converter unit are to be symmetrical in a positive and negative relation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for controlling a switching power unit using an AC/DC converter, a power factor correction unit, and a DC/DC converter unit","description":"There is provided a method for controlling a switching power unit that converts AC input voltages of an AC source into a DC voltages while improving a power-factor of the AC input voltages, the switch","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477519","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-8477519","citation_suggestion":"Patentable. \"Method for controlling a switching power unit using an AC/DC converter, a power factor correction unit, and a DC/DC converter unit\" (US-8477519). https://patentable.app/patents/US-8477519","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477519","json":"https://patentable.app/api/llm-context/US-8477519","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:51:20.574Z"}