| 摘要 |
PURPOSE:To transmit data in a wide range without laying a leased line. CONSTITUTION:This radio data transmitter is constituted of a data collection base 2 provided with a pager receiver 11 having an LCD display part, a data collector 15 and a pager base station device 19 and constituted so as to read out and detect the display contents of the LCD display part and transmit data corresponding to the display contents to the equipment 19, and a data access station 1 provided with a pager base station equipment 6 and a pager receiver 3 having an LCD display part. The access/transmission of data is executed through radio waves by utilizing a public subscribed telephone line already supplied to public and the contents of transmitted/received data are judged by the display part of the pager receiver 11. |
