| 摘要 |
<p>The invention relates to a picture projector comprising a light source (1) emitting a parallel light beam (2); a first lens array (3) dividing the parallel light beam (2) into a plurality of unitary beams (20); a diaphragm (4) comprising a plurality of holes (5) through which unitary beams go through (20); a translucent screen (6) comprising a plurality of optical elements (7) wherein the optical elements (7) receive unitary beams (20) to form images of optical elements; a second lens array (10) projecting the images of the optical elements (7) so as to form one picture onto a projection screen; at least one actuator (8, 9) moving the translucent screen (6) with respect to the diaphragm (4) and/or moving the diaphragm (4), the first lens array (3) and the second lens array (10) with respect to the translucent screen (6), wherein the translucent screen (6) and/or the diaphragm (4), the first lens array (3) and the second lens array (10) are moved transversally to the unitary beams (20).</p> |
