| 摘要 |
When individual light emitting diodes of respectively-juxtaposed optical sensors are simultaneously caused to emit light, individual light receiving transistors therefor may be subjected to influences of the light from other light emitting diodes. Therefore, a paper sheet processing apparatus which can read an identification object accurately is provided. The bill processing apparatus (1) includes: a first sensor (8) having a first light emitting part (8a) for irradiating the identification object with light and a first light receiving part (8b) for receiving the light from the first light emitting part (8a), and a second sensor (88) having a second light emitting part (88a) for irradiating light in a direction different from that of the first light emitting part (8a) and a second light receiving part (88b) for receiving the light from the second light emitting part (88a).
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