| 摘要 |
An electromotive screen is provided to allow a screen to be automatically displayed based on an initial image having a predetermined color when a projector is operated. An electromotive screen includes a housing(110), a wounding roller(120), a driving motor, a screen(130), a screen rode(140), and an operation switch. The housing(110) is fixed and installed on the ceiling. The wounding roller(120) is installed in the inner part of the housing(110). The driving motor is coupled with one side of the wounding roller(120). The screen(130) is wounded by the wounding roller(120). The screen rode includes a weighting member in such a manner that the screen film maintains a spread state. The electromotive screen includes a color detection element positioned at an image irradiating area on the lower part of the housing(110). |
