| 摘要 |
A plane screen comprises a plate-shaped LCD unit, which can be connected to a computer, and a light unit behind it, a cursor being movable on the screen depending on operating signals to the computer. According to the invention, the LCD unit and the light unit are detachably interconnected by means of a manually operable quick- connection so that the LCD unit can be disconnected easily from the light module, without the use of a tool, and mounted on an overhead projector. <IMAGE> |
