| 摘要 |
PURPOSE:To improve economy and reliability and to improve electric separation from the outside by converting signals from plural radiation detectors into light signals, and transmitting those light signals through a multiplex optical communication cable. CONSTITUTION:An optical converting circuit 5 which constitutes a signal processor 3 converts electric signals supplied from plural radiation detectors 1 into light signals successively in time series, and those light signals are transmitted to the measuring device 9 through the multiplex optical communication cable 7 composed of one optical fiber successively on time-series basis. The transmitted light signals are converted by an optical converting circuit 11 into electric signals, which are supplied to a control circuit 13. Digital signals among those electric signals are supplied to a digital output circuit 15 and analog signals are supplied to an analog output circuit 17. Some of them are processed as specified and supplied to a transmitting circuit 19, and further reconverted by an optical converting circuit 23 into light signals, which are supplied to another system device 27 through a multiplex communication cable 25.
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