| 摘要 |
An adjusting apparatus for a projection lamp has a base, an adjusting module, and a pair of adjusting device and repositioning device, which are on the opposite surfaces of the base. The adjusting module has a plurality of adjusting plates that are combined by the guide-grooves and guide-pins. A projection lamp is fixed to an end of the adjusting module. As using the adjusting device and the repositioning device for adjusting the position of the projection lamp, the projection lamp can be achieved the two-dimensional adjustment and the projection system can reduce the illumination loss.
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