System and method for detecting the status of a universal serial bus port of a mobile phone
A system and method are provided for detecting connection status of a universal serial bus (USB) port of a mobile phone and a terminal device from among connecting, connected, disconnecting, or disconnected status. A voltage of the USB port is the same as a voltage of a charging interface of the mobile phone. The voltage of the charging interface is detected. The connection status of the mobile phone stored in a storage system is updated according to the voltage status of the charging interface.
Chi Mei Communication Systems, Inc.
H
H04M
inventional
Chih-Chieh
Chang