| 摘要 |
PURPOSE: To provide a pocket pager calling system which can be used in a general household with no troublesomeness caused by the wiring of the transmitter side by preparing a radio transmitter at a radio receiving part to transmit a detection signal. CONSTITUTION: A switch 7A is connected to a radio transmitter 6, and this transmitter 6 is placed in a room where an old man is compelled to be in bed because of illness, etc. Then the switch 7A is put near the hand of the old man. When the old man pushes the switch 7A, a pocket pager is actuated. In this system, the radio communication is carried out between a radio receiver/ wire transmitter 4 and the transmitter 6. The transmitter 6, the switch 7A and a handset 5 can be placed in the separate rooms respectively. |
