Abstract

Recent mobile handhelds, e.g., Smart-phone, can be charged wirelessly using the traditional wireless communication technologies. In particular, Bluetooth with a charging circuit enables a short-range wireless charging of a mobile handheld. This paper presents an overview of power charging structures and proposes a new charging circuit based on schottky diode with a real commercial film-type antenna on mobile terminal. Our new circuit improves the charging efficiency approximately by 160%.

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