| 摘要 |
PURPOSE: A board for studying is provided to be easily operated by anyone, and to protect an image output device by including a cover, thereby minimizing malfunction. CONSTITUTION: A board for studying comprises a frame(10), a black board, an image output device(30), a screen(40), a control part, and a cover(60). The frame comprises a rail(13), an upper frame(11), a lower frame(12), a screen fixing part(14). The black board comprises a moving plate(21) and fixing plates. The image output device is fixed between the fixing plates. The screen comprises a base(41), and a display surface(42). A screen display image is transmitted from a projector arranged in ceiling. The controller transfers the display surface of the screen upwardly and downwardly. The cover opens and closes the front of the image output device. The cover prevents the transmission of vibration, dust, moisture and foreign materials from the outside to the image output device.
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