Patent ID: 8746887

Claim:
A stereoscopic image projection system comprising: a beam projector which projects a composite image comprising a left eye image and a right eye image arranged in a side by side format; a stereoscopic image adaptor which alternately projects the left eye image and the right eye image onto a screen in a time sequence; and a shutter controller which synchronizes a time sequential operation of the stereoscopic image adaptor with an opening and a closing of a right glasses shutter and a left glasses shutter of a user shutter glasses; wherein the stereoscopic image adaptor comprises: an image shutter unit comprising a right shutter unit shutter and a left shutter unit shutter respectively receiving the left eye image and the right eye image projected from the beam projector; and an image path converter for converting paths of the left eye image and the right eye image projected from the beam projector and transmitted through the image shutter unit such that the left eye image and the right eye image are projected onto the screen such that an area of the screen onto which the right eye image is projected is the same as an area of the screen onto which the left eye image is projected.