Mobile devices such as tablets and cellphones generally require proximity sensors for Specific Absorption Ratio (SAR) qualification and on-ear detection. Capacitive sensing may be used to meet both of ...

Electromechanical switches are simple, cheap, and widely available (Fig. 1). However, they’re also plagued with a number of disadvantages, including wear with repeated use, and the potential for ...

Japanese firm Murata Manufacturing plans to introduce a wireless power supply for toys sold in the coming 2010 Christmas season. According to an article in Nikkei Electronics Asia, the power supplies ...