| 摘要 |
PURPOSE: A wireless hands free device of a mobile communication terminal is provided to solve an inconvenience with respect to a wire of a wire hands free device by making a wireless communication between a mobile communication terminal and an earphone through the entire frequency band by a modulation/demodulation possible using a transmitting/receiving device between a terminal wireless hands free device and an earphone wireless hands free device. CONSTITUTION: A mobile communication terminal(11) performs a communication function. A terminal transmitting/receiving device(12) is designed for detaching from the mobile communication terminal(11) and transmits/receives a communication signal to an earphone transmitting/receiving device(21) in an earphone wireless hands free device(20) through an ultra short haul wireless method. The earphone transmitting/receiving device(21) transmits/receives a communication signal to/from the terminal transmitting/receiving device(12) through an ultra short haul wireless method. A mike(22) is connected to the earphone transmitting/receiving device(21) by a wire and transmits a voice signal of a user. An earpiece(23) is connected to the earphone transmitting/receiving device(21) by a wire and makes the user receive a voice signal.
|
