| 摘要 |
<p>The present invention relates to a pattern image projector. More specifically, the pattern image projector is capable of selectively projecting various pattern images and producing various colors by an LED light source combination. The pattern image projector according to the present invention comprises: an RGB LED module; an illumination system lens unit to condense a light source irradiated from the RGB LED module; a projection system lens unit to project forward an image of a pattern chart unit by adjusting and expanding a focus which is condensed and projected by the illumination system lens unit; the pattern chart unit which is formed between the illumination system lens unit and the projection system lens unit, and includes a rotation plate, one or more chart carriers that are detachably attached to one surface of the rotation plate and that have pattern charts, and a driven side rotation gear formed on the other surface of the rotation plate; a rotation driving unit including a driving side rotation gear which is engaged with the driven side rotation gear to rotate the pattern chart unit, and a rotation motor to give torque to the driving side rotation gear; and a PCB to drive the rotation driving unit and control the RGB LED module.</p> |
