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 Home > Achievement > Main Contributions > Patents > Active Recifier and Wireless Power Receiving Apparatus Using the Same that Can Reduce Reverse Current Leakage

Pending/Registration 등록  Inventors Kang Yoon Lee 
Title Active Recifier and Wireless Power Receiving Apparatus Using the Same that Can Reduce Reverse Current Leakage 
Author Kang Yoon Lee, Jae Hyung Jang, Hyung Gu Park, Joo Young Chun 
Pending (Registration) Number US 9774274  Pending (Registration) Date 2017년 09월 26일
Pending (Registration) Country 미국 
Abstract

 An active rectifier and a wireless power reception apparatus using the same are disclosed herein. The active rectifier includes first and fourth switches, second and third switches, and a synchronization control unit. The first and fourth switches are turned on while the voltage of an alternating current (AC) input is negative, and apply the current of the AC input to a rectifying capacitor. The second and third switches are turned on while a voltage of the AC input is positive, and apply the current of the AC input to the rectifying capacitor. The synchronization control unit compensates for the delay time of the comparator for detecting zero-crossing of the AC input so as to switch the first to fourth switches.

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