| 摘要 |
A mobile projection type promoter comprises a flat projection screen, projection device optically connected to the projection screen, source of digital signal connected to the projection device, sound-reproducing equipment connected to the source of digital signal. Additionally promoter comprises a motion detector connected to the source of digital signal, and the projection device, source of digital signal, sound-reproducing equipment and motion detector are stationary placed in a protective single block one side of which is made so as to be opened by 90° in the form of podium for the fixation of the projection screen. On the podium facilities are mounted for illuminating lower part of the projection screen. |
