| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a nurse call system capable of shortening time required for calling a private branch PHS terminal of each nurse even when a plurality nurse calls occur approximately simultaneously.SOLUTION: A nurse call system performs a plurality of nurse calls' simultaneous calling operation of: when a plurality of nurse call slave devices 107a, 107b make nurse calls "call a", "call b" approximately simultaneously (sequences S110, S111), transmitting a "call setting signal" as a calling operation to each of private branch PHS terminals 109a, 109b, and 109c according to the first nurse call "call a" (sequences S113, S114, S115); and subsequently, in a state of continuing the calling operation, transmitting an "additional information signal" for notifying each of the private branch PHS terminals 109a, 109b, and 109c that the subsequent nurse call "call b" has occurred (sequences S117, S118, S119).</p> |
