{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9667153","patent":{"patent_number":"US-9667153","title":"Switching power supply apparatus for generating control signal for lowering switching frequency of switching devices","assignee":null,"inventors":[],"filing_date":"2014-05-27T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M"],"num_claims":5,"abstract":"A switching power supply apparatus includes: an DC/AC converter unit for converting a DC voltage to an AC voltage based on switching operation of switching devices; a transformer for converting the AC voltage to an AC voltage having a voltage value; a resonance circuit provided between the DC/AC converter unit and the transformer; an AC/DC converter circuit for converting an AC voltage from the transformer to a DC; an output detector unit for detecting an output voltage or an output current of the apparatus; a duty ratio controller unit for controlling a duty ratio of switching of the apparatus such that a detected output voltage or current becomes a target value; an energy detector unit for detecting an energy accumulated in the resonance circuit; and a controller unit for controlling a switching frequency such that a detected energy becomes a threshold value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Switching power supply apparatus for generating control signal for lowering switching frequency of switching devices","description":"A switching power supply apparatus includes: an DC/AC converter unit for converting a DC voltage to an AC voltage based on switching operation of switching devices; a transformer for converting the AC","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9667153","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-9667153","citation_suggestion":"Patentable. \"Switching power supply apparatus for generating control signal for lowering switching frequency of switching devices\" (US-9667153). https://patentable.app/patents/US-9667153","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9667153","json":"https://patentable.app/api/llm-context/US-9667153","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:36:07.527Z"}