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发明公开
EP0498224A2 Device for reciprocally driving optical unit 失效
Eine Optikeinheit hin- und herbewegendesGerät。

Device for reciprocally driving optical unit
摘要：
The present invention relates to a device for driving optical units for scanning a manuscript and in the going travel of the optical units (10, 14) they are driven by means of a first pulse motor (43) exhibiting the low-noise and high-torque characteristics within the revolving range in the going travel while in the returning travel of the optical units (10, 14) they are driven by means of a second pulse (45) motor exhibiting the low-noise and high-torque characteristics within the revolving range in the returning travel, whereby not only the optical units (10,14) can carry out the desired travel in both the going travel and the returning travel but also the noises generated during the travel of the optical units (10, 14) can be reduced as far as possible.
摘要（中）：

本发明涉及一种驱动光学单元的装置，用于扫描原稿，并且借助于第一脉冲电动机（43）驱动的光学单元（10,14）的行进，该第一脉冲电动机（43） 在光学单元（10,14）的返回行程中，通过在旋转中的低噪声和高扭矩特性的第二脉冲（45）电动机来驱动在光学单元（10,14）的返回行程中，行驶中的转动范围内的转矩特性 从而不仅光学单元（10,14）可以在往返行程和返回行程中都能够执行期望的行程，而且在光学单元（10,14）行进期间产生的噪声可以 尽量减少。

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