| 摘要 |
PURPOSE: A mobile communication terminal having a detachable laser pointer is provided to connect a detachable laser pointer turned on/off by a control signal related to power transmitted through a port of a mobile communication terminal with the mobile communication terminal, thereby implementing user convenience. CONSTITUTION: An earphone port(140) and a data cable port(150) are installed on an external side of a mobile communication terminal(100), and perform interfaces between the mobile communication terminal(100) and an external device. A detachable laser pointer(200) is detachably installed in the earphone port(140) of the mobile communication terminal(100), and is turned on/off by a control signal related to power transmitted through the earphone port(140) when being connected to the earphone port(140) of the mobile communication terminal(100). A controller controls power supply and power on/off of the detachable laser pointer(200) when the detachable laser pointer(200) is connected to the earphone port(140). Functional keys(180) are installed on an external side of the mobile communication terminal(100), and control on/off of the detachable laser pointer(200).
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