| 摘要 |
PURPOSE: Provided is an advertisement system using cars, which can realize a three-dimensional and mobile digital advertisement system by using a satellite transmission system and a projection. CONSTITUTION: The advertisement system using cars comprises: the car(21); a rear screen(22), mounted in the car(21), for displaying moving pictures; a parabola antenna(23), mounted in the car(21), for receiving broadcast from satellites; a satellite broadcasting receiver(302), mounted in the car, to output image signals by demodulating the satellite broadcasting received from the parabola antenna(23); a projector(330) for back scanning to the rear screen(22) by generating the image from the image signals; a switch(320) for connecting the image signals to the projector(330).
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