{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9825538","patent":{"patent_number":"US-9825538","title":"Voltage sampling control method and related control circuit for isolated switching power supply","assignee":null,"inventors":[],"filing_date":"2016-10-17T00:00:00.000Z","publication_date":"2017-11-21T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M","H02M"],"num_claims":10,"abstract":"A voltage sampling control circuit can include: a bleeder circuit that generates a sampling signal by sampling a voltage across a winding of a transformer of an isolated switching power supply; a blanking time signal control circuit that activates a first blanking time signal when the sampling signal is higher than a first reference voltage, and activates a second blanking time signal when the sampling signal rises to a level of a second reference voltage, where active portions of the first and second blanking time signals overlap, and the sampling signal is not detected during activation of either of the first and second blanking time signals; a converter configured to convert the sampling signal to a detection signal after both of the first and second blanking time signals have been deactivated; and a sample and hold circuit configured to receive the detection signal, and to generate a feedback signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Voltage sampling control method and related control circuit for isolated switching power supply","description":"A voltage sampling control circuit can include: a bleeder circuit that generates a sampling signal by sampling a voltage across a winding of a transformer of an isolated switching power supply; a blan","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9825538","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-9825538","citation_suggestion":"Patentable. \"Voltage sampling control method and related control circuit for isolated switching power supply\" (US-9825538). https://patentable.app/patents/US-9825538","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9825538","json":"https://patentable.app/api/llm-context/US-9825538","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:36:59.619Z"}