| 摘要 |
PROBLEM TO BE SOLVED: To provide a nurse call device which realizes informing of a call with a simple configuration and informing of information which can specify a called nurse call terminal with simple configuration. SOLUTION: The calling operation of the nurse call device is performed by a nurse call master device having a two-wire type communication line, the nurse call terminal having a call control means for reading ID data from an ID storage unit recording different ID for each nurse call terminal and giving to an MF signal transmitter and the MF signal transmitter for converting the given data the MF signal and sending to the two-wire type communication line, a decoding means for extracting and decoding the MF signal from the two-wire type communication line, and a display means for displaying the decoded data. Further, the specific ID data from the master unit is MF-converted, transmitted to a passage light through the two-wire type communication line, and the calling state is canceled. COPYRIGHT: (C)2006,JPO&NCIPI
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