The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2015
Filed:
Sep. 12, 2012
Yen-te Lee, Chiayi County, TW;
Kuo-chi Liu, Hsinchu, TW;
Fu-sheng Tsai, Taoyuan County, TW;
Kuang-feng LI, Taichung, TW;
Chung-cheng Chang, Taichung, TW;
Jiun-hung Pan, Hsinchu County, TW;
Chien-fu Tang, Hsinchu, TW;
Isaac Y. Chen, Hsinchu County, TW;
Yen-Te Lee, Chiayi County, TW;
Kuo-Chi Liu, Hsinchu, TW;
Fu-Sheng Tsai, Taoyuan County, TW;
Kuang-Feng Li, Taichung, TW;
Chung-Cheng Chang, Taichung, TW;
Jiun-Hung Pan, Hsinchu County, TW;
Chien-Fu Tang, Hsinchu, TW;
Isaac Y. Chen, Hsinchu County, TW;
Richtek Technology Corp., Chupei, Hsinchu, TW;
Abstract
A bleeding circuit and method for an electromagnetic interference filter detect whether or not an AC power source connected to the electromagnetic interference filter is removed, establish a discharge path for discharging a capacitor of the electromagnetic interference filter once the connected AC power source is removed, and cut off the discharge path during the AC power source is in connection to the electromagnetic interference filter for decreasing power consumption of the electromagnetic interference filter.