Infrared sensing electronic whiteboard
An infrared sensing and electronic whiteboard technology, which is applied in the input/output process of electronic digital data processing, instruments, and data processing, etc. The structure is not complicated and the cooling effect is balanced
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[0020] The content of the invention will be further explained below in conjunction with the drawings and embodiments:
[0021] Reference Figure 1-Figure 7 As shown, the infrared-sensing electronic whiteboard includes a host computer with an RS232 interface, the RS232 interface is connected to a MAX232 chip, the MAX232 chip is also connected to a processor part, and the processor part is also connected to an infrared emitting part, The infrared receiving part and the signal processing part are connected. The infrared emitting part, the infrared receiving part, and the signal processing part are connected in sequence. The infrared receiving part includes several infrared receiving tubes. The processor part, the infrared emitting part, and the infrared The receiving part and the signal processing part are set in the control cabinet A9;
[0022] In addition, it also includes a cavity passage for feeding gas, a cavity passage for releasing gas, a first support A10 and a second support...
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