| 摘要 |
This invention describes a new photocopier which changes the multiple continuously. This photocopier consists of a wire electromotor which drives the first, the second, third supporters with velocity ratio of 1:0.5,a driving motor which drives the fourth and fifth supporters, and a conveyor which transfers the dynamic from the driving motor to the fourth and fifth supporters. In this machine, the mirrors move but the lenses don't by a driving motor. This process requires only one driving motor for cost reduction. This photocopier also claims good resolution by the unmoving leneses.
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