| 摘要 |
A plurality of sensor portions detect a variety of physical characteristics of objects to be detected, which are being conveyed on a conveyance passage to asynchronously transmit electric signals indicating results of detection to a processing unit. The processing unit causes an A/D converter to A/D-convert the electric signals transmitted from the sensor portions. A mixer adds, to data, an identifier indicating the sensor portion from which data has been transmitted to sequentially output data for each of the sensor portions. A detection-result processing means receives data output from the mixer to identify the sensor portion from which data has been transmitted in accordance with the identifier contained in received data so as to perform a process for detecting the variety of the physical characteristics. The structure and circuit structure of the transmission passage in the detecting apparatus can be simplified.
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