Electronic Teaching Board System
一种电子教学、教学板的技术,应用在可重复使用的书写板、印刷等方向,能够解决无法安装磁棒、无法个别文字擦除、无法应用实际教学等问题,达到便于使用的效果
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[0024] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0025] The electronic teaching board system includes a teaching board, a doodling device, and a wiping device;
[0026] Among them, the implementation of the teaching board is such as figure 1 As shown, it includes a translucent front panel 1, a rear panel 2, and an interlayer. The interlayer is a porous plate, which is composed of densely distributed cavity units, and each cavity unit includes two symmetrical cavities , are respectively the front cavity 10 in contact with the front panel 1 and the rear cavity 20 in contact with the rear panel 2, and the two cavities are communicated through a narrow neck 120; iron powder is stored inside the cavity unit; the cavity unit The first structure is the basic structure of a common magnetic drawing board, and will not be described in detail.
[0027] The surface of the rear panel 2 close to the aperture plate is a cond...
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