| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To construct a call and speak system by using a conventional nurse call system, and to construct a system for detecting a location of a call originating transmitter by using a personal computer. <P>SOLUTION: A nurse call system of the present invention comprises: a radio wave reception system L1 including receivers 3a, 3b, 3c for receiving calling radio waves and transmitter IDs sent from call originating transmitters 2a, 2b, 2c that patients carry with them, and sending field strengths of calling radio waves, the transmitter IDs and receiver IDs and a master unit 6 for displaying calling patients from the transmitter IDs and specifying a location or an area of a call originating transmitter from a receiver ID, a field strength of a calling radio wave or a time for arrival; and call and speaking systems L4, L5, L6, L7 each including adapters 4a, 4b, 4c for sending calling signals which are transmitted from bed slave units 1a, 1b, 1c, 1d and with bed IDs added thereto, and calling radio waves sent from the call originating transmitters via the receivers, for announcing a call from a calling signal and a calling radio wave, displaying a call from a bed slave unit if a bed ID is received, for speaking with each other. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
