| 摘要 |
A copier provides output signals corresponding to subject matter on material being copied. The copier includes a light source which provides light pulses that impinge upon the material. The material provides light pulses to a light sensitive sensor in accordance with the subject matter on the material. The sensor provides electrical pulses on a one-for-one basis with the received light pulses from the material. An output circuit provides the output signals in accordance with the electrical pulses from the sensor.
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