| 视觉疲劳消除器电路的设计和分析 |
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| 引用本文： | 刘庆臻. 视觉疲劳消除器电路的设计和分析[J]. 赣南师范学院学报, 2007, 28(6): 40-43 |
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| 作者姓名： | 刘庆臻 |
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| 作者单位： | 徐州医药高等职业学校,江苏,徐州,221116 |
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| 摘 要： | 针对目前中小学生近视眼越来越多的情况,设计出一种由555定时器和十进制计数器/十进制译码显示CD4017B构成的视觉疲劳消除器.并分析了它的电路结构和工作原理,以及电路的安装和调试.
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| 关 键 词： | 时基集成电路 计数器 脉冲发生器 多谐振荡器 视觉疲劳 |
| 文章编号： | 1004-8332（2007）06-0040-04 |
| 收稿时间： | 2007-09-01 |
| 修稿时间： | 2007-10-15 |
Visual Weary Annihilator Electric Circuit Design and Analysis |
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| LIU Qing-zhen. Visual Weary Annihilator Electric Circuit Design and Analysis[J]. Journal of Gannan Teachers' College(Social Science(2)), 2007, 28(6): 40-43 |
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| Authors: | LIU Qing-zhen |
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| Abstract: | In order to realx the seriousness of the situation of nearsightness amony the elementary and middle school students,we design a Kind of visual weary annihilator consisting of 555 timers and the decade counter/decimal based decoding demonstrates CD4017B.We also analyze its electric circuit structure and working pvinciple as well as its sinstallment and debuyging. |
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| Keywords: | Time base integrated Counter Pulse generator Multivibrator Visual weary |
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