| 摘要 |
<p>An optical scanner device is provided in PCMCIA format for transparent image bearing media (slides or film). The light sensor (420) includes a single photosensitive element, a photodiode, close to the media (415) being scanned; the sensor (420) and the media (415) are relatively movable one in respect of the other in at least two directions, successively acquiring data representing each pixel one at a time. The source light (405) is implemented as a small block of four LEDs (red, green, blue and infrared), including a plexiglass diffuser (410), and it is moved concurrently with the sensor (420). The sensor (420) and the light source (405) can be moved at different selected speeds, providing a scanner with different selectable resolutions. <IMAGE></p> |
