| 摘要 |
PROBLEM TO BE SOLVED: To provide a wireless telephone set which lowers the intensity of electromagnetic waves around the head of a user when a voice interface is used and simultaneously maintains convenience at the time of transmitting and receiving a voice signal. SOLUTION: This wireless telephone set is provided with a set case 1, a speaker 2, a microphone 3, a keyboard 4 and a monitor 5. Furthermore, an external connection type or built-in type antenna 101 and a battery 102 are installed at a selection position of the set case 1. The voice interface and the keyboard 4 are installed in two way or so as to confront the rear to form the structure of the wireless telephone. Then, when the user uses the voice interface from a rear direction while keying in, the intensity of electromagnetic waves around the user head is lowered by utilizing the shield of the set case 1, and at the same time, convenience at the time of transmitting and receiving the voice signal with the mouth and an ear is maintained while the user keys in or holds the wireless telephone in his/her hand. |
