Dual prompting device and method for mobile phone

作者: Christine Yu , Kuo-Chih Lee

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摘要: A dual prompting device for incoming call of a mobile phone is provided. When receives an signal, ring or music not only can be sent out by phone's own speaker but also externally wired that placed in earpiece wire. This allow people who always place their phones bags, particular females, to avoid mishearing so missing call, because are bags.

参考文章(3)
Chin Pan Wong, Ali Behboodian, Pratik Desai, System and method for speaker-phone operation in a communications device ,(2003)
Chih-Ming Liang, Ming-Te Chen, Bluetooth-based headset ,(2004)