| 摘要 |
<p>Image projecting apparatus (10) comprises a lens arrangement for projecting light rays for defining an image (14) of an object (12). The apparatus also includes inversion means (20) provided in the path of the light rays for inverting the light rays and projecting the light rays onto a substrate for recording the image. The lens arrangement is in the form of an array of graded index lenses (16).</p> |
