| 摘要 |
PURPOSE:To attain the reception with excellent sensitivity by fitting an equipment main body into a recessed part of a dashboard so as to attain induction coupling between a 1st antenna in the equipment main body and a 2nd antenna in the dashboard. CONSTITUTION:When a pager 2 is installed in a cabin, it is fitted to a recessed part 3 of a dashboard 1 and when a radio wave is received by an external antenna 6 in this state, the radio wave is led to an antenna 4. Then the antenna 4 and the antenna 7 built in the pager 2 are subject to inductive coupling and a received radio wave is led to a reception circuit in the pager 2. When an individual code (ID code) possessed by the pager itself exists in the received radio wave, the pager 2 informs the reception of the signal by a light emitting diode LED and a buzzer 6. When a numerical data such as a telephone number is sent after the ID code, the number is displayed on a display device LCD. Thus, the pager 2 utilizes an external antenna 9 to obtain excellent reception sensitivity. |
