Electronic teaching board system
A technology of electronic teaching and teaching boards, applied to reusable writing boards, printing, etc., can solve the problems of inability to install magnetic sticks, inability to erase individual characters, inability to apply practical teaching, etc., and achieve the effect of ease of use
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[0029] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0030] The electronic teaching board system includes a teaching board, a doodling device, and a wiping device;
[0031] 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.
[0032] The surface of the rear panel 2 close to the aperture plate is a cond...
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