| 摘要 |
<P>PROBLEM TO BE SOLVED: To communicate with a nurse call master set by radio from any place in a hospital. <P>SOLUTION: Received ID code storage circuits R19, P19 which preliminarily store ID codes, called high frequency receiving circuits R12, P12 which receive and demodulate a called radio wave, call confirmation lamps R18, P18 which collate the demodulated ID code with an ID code stored in the received ID code storage circuits and report called states by being flickered when the ID codes coincide and called high frequency transmitting circuits R11, P11 which modulate a call confirmation radio wave by the ID code and transmit it are provided to at least one of a passageway lamp, a plate slave set and an extension adaptor. Then, a call high frequency receiving circuit T20 which receives and demodulates the transmitted call confirmation radio wave and a call confirmation lamp T13 which collates the demodulated ID code with an ID code stored in a transmitted ID code storage circuit and reports a called state by being turned on/off when the ID codes coincide are provided to a wireless call button. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
