{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11277896","patent":{"patent_number":"US-11277896","title":"Active gain control for power factor correction","assignee":null,"inventors":[],"filing_date":"2020-06-25T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M"],"num_claims":19,"abstract":"An active gain control circuit includes a voltage divider having a variable resistance configured to attenuate a rectified input line voltage to produce a reference signal, a filter circuit configured to extract a DC-level reference voltage from the reference signal, and an operational amplifier configured to receive the DC-level reference voltage and a comparison voltage, and to generate a gate control signal based on a difference between the comparison voltage and the DC-level reference voltage, wherein a resistance of the voltage divider is controlled by the gate control signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Active gain control for power factor correction","description":"An active gain control circuit includes a voltage divider having a variable resistance configured to attenuate a rectified input line voltage to produce a reference signal, a filter circuit configured","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11277896","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-11277896","citation_suggestion":"Patentable. \"Active gain control for power factor correction\" (US-11277896). https://patentable.app/patents/US-11277896","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11277896","json":"https://patentable.app/api/llm-context/US-11277896","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:31:11.436Z"}