| 摘要 |
A driving circuit for an optical scanner includes an oscillation driving device for oscillating a moving plate, an oscillation detecting device for detecting the oscillating condition of the moving plate, an oscillating frequency control device for controlling the amplitude of a torsional oscillation of the moving plate, and an oscillating amplitude control device for controlling the amplitude of the torsional oscillation of the moving plate. The driving circuit is thus constructed so that the oscillation of a scanner can be controlled with a high degree of accuracy.
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