| 摘要 |
A portable projector device includes an image processing unit, an optical mechanical system, a light source controller, and a power supply management unit. The power supply management unit is to be coupled to a battery, which powers up the portable projector, is for detecting a residual capacity of the battery, and is operable according to the residual capacity of the battery to enable the light source controller to adjust illumination of a light source of the optical mechanical system and to enable the image processing unit to process an input image signal according to a display parameter so as to optimize the image projected by the image projecting unit.
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