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Patent applications and USPTO patent grants for AVERD Labs Co., Ltd..The latest application filed is for "primary drive synchronous high-speed switching rectifying circuit for llc half-bridge power converter for driving led".
Patent | Date |
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Half-bridge power converter for driving LED by series-resonant connection of inductor, inductor and capacitor Grant 8,138,688 - Chung March 20, 2 | 2012-03-20 |
Primary Drive Synchronous High-speed Switching Rectifying Circuit For Llc Half-bridge Power Converter For Driving Led App 20110187280 - CHUNG; IL HWI | 2011-08-04 |
Half-bridge Power Converter For Driving Led By Series-resonant Connection Of Inductor, Inductor And Capacitor App 20110181205 - CHUNG; Il Hwi | 2011-07-28 |
Output circuit of vacuum-tube amplifier Grant 7,583,140 - Chung September 1, 2 | 2009-09-01 |
Output circuit of vacuum-tube amplifier Grant 7,583,141 - Chung September 1, 2 | 2009-09-01 |
Output circuit of vacuum-tube amplifier Grant 7,355,475 - Chung April 8, 2 | 2008-04-08 |
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