Patent ID: 7677735

Claim:
A projecting apparatus, for projecting an image onto a screen, the projecting apparatus comprising: an image module, for providing a beam of first light; a first light reflection device, having a first reflection surface, disposed movably relative to the image module for reflecting the first light to form a beam of second light, wherein moving the first light reflection device along the beam of first light or second light can adjust the location of the image on the screen in a first direction and wherein an optical axis of the first reflection surface is inclined by 45 degrees against an optical axis of the image module; a lens, for projecting the image on the screen according to the second light; a second light reflection device having a second reflection surface for reflecting the beam of second light to form a beam of third light, wherein a central axis of the second reflection surface and a central axis of the first reflection surface are not coplanar, the lens is for projecting the third light onto the screen to form the image and the second light reflection device is for adjusting the location of the image on the screen along a second direction.