專利列表

USA patent 1. Ke-Horng Chen, Yung-Hsin Lin, Cheng-Ta Yu, US Paten t 7,701,179, “ Control circuit and method for multi-mode buck-boost switching regulator” . 2. Ke-Horng Chen, Li-Ren Huang, Hong-Wei Huang, Sy-Yen Kuo, US Paten t 7,408,333, “ Power supply a

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