| 摘要 |
<p>The film-projection equipment onto a screen is typically for a transparent one containing data. It has an inlet for the film into a positioning system, together with illuminating lights, and detectors for a picture in part of the film. A connecting system supplies the data from the detectors to the display screen. The detectors can incorporate a photo-electric unit and one or more CCD-chips, supplying video data to the screen.</p> |
