| 摘要 |
<p>The invention concerns a device for guiding a film in an apparatus, comprising guiding and driving means engaged on the two lateral edges of the film, said guiding and driving means being further designed to force the film to follow a curved trajectory in the imaging zone of the apparatus, and said means guiding and driving the film include two coaxial rollers (4a) whereon the film is urged to span through its two edges, and two parallel driving belts (8a) urged respectively to be supported on said edges on the side opposite the rollers, along an arc with predetermined sustaining angle. The invention is useful for guiding a film in an optoelectronic apparatus such as a scanning analysis device.</p> |
