| 摘要 |
A device for providing advertising information contains a projector and a screen on which a light signal come from the projector, a transport vehicle, at that the projector is placed inside the transport vehicle. The device is equipped with at least one additional projector located inside the vehicle, the screen is located outside the transport vehicle and is equipped with a support appliance. At that light signals are transferred directly from each projector on the screen through an aperture in body of the transport vehicle, superposing on the screen, at that resulting light flux from all projectors makes not less than 500 ANSI-lm.
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