| 摘要 |
PURPOSE:To provide a call system which can surely transmit a call request to a callee. CONSTITUTION:This system is composed of terminal equipments 8 and 9 connected to a general-purpose network, call devices 5 and 6 and portable transmitters/receivers 7 carried by callees. The terminal equipment sends a calling command added call data such as the ID of an individual to be called. The calling device transmits the call data stored in a data storage part by using a radio signal and receives a response signal corresponding to the transmitted signal when the calling command is received. The portable receiver reports the reception of transmitted data from the calling device with a bell sound or the like and displays the contents of the received radio signal. |
