Vibrating mirror, light writing device, and image forming apparatus.

振动镜，光写设备，以及成像装置。

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An analytical expression for spot moving speed on the former vibrating mirror of the polygonal mirror scanning system objective is derived from geometrical optical principle.

根据几何光学原理，推导出转镜-振镜扫描系统物镜前振镜上光斑移动速度的解析表达式。

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This paper had discussed the mechanism and the work curve character of optical vibrating mirror, and explored the way of developing the picture quality in large screen show by laser.

从激光大屏幕显示中光学振镜扫描机理及工作特性曲线出发，探讨了获得更逼真、更清晰、更复杂图像的途径。

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