| 采用AT89c52的乱序键盘设计 |
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| 引用本文： | 王建军.采用AT89c52的乱序键盘设计[J].微计算机信息,2007,23(9). |
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| 作者姓名： | 王建军 |
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| 作者单位： | 255049,山东,山东理工大学机械工程学院测控技术与仪器系 |
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| 基金项目： | 山东省自然科学基金项目资助:面向六西格玛的质量控制集成技术研究(项目号Y2005F12) |
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| 摘 要： | The password keyboard as a kind of input device that is essential to bank and other financial departments,it must have high credibility,safety,and the function of keeping secret.Disorder keyboard is a developed kind on the basis of the traditional password keyboard,which increased some new functions and characteristics,for example,there is LED on the surface of the keys,and the numbers displayed on the keys are random,also a certain angle of view is restricted.Outside of a certain angle,the number LED displayed on the keyboard is impossible to be seen.Even other people can see the keys that the customer pressed,but because when the customer finished inputting the password,the key numbers will be re-arranged again,so,the customer unnecessarily worried about that other people would take his password.
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| 关 键 词： | 乱序 密码键盘 随机变位 |
Using AT89C52 to Design Disorder Keyboard |
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| WANG JIANJUN.Using AT89C52 to Design Disorder Keyboard[J].Control & Automation,2007,23(9). |
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| Authors: | WANG JIANJUN |
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| Affiliation: | WANG JIANJUN |
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| Abstract: | The password keyboard as a kind of input device that is essential to bank and other financial departments,it must have high credibility,safety,and the function of keeping secret.Disorder keyboard is a developed kind on the basis of the traditional password keyboard,which increased some new functions and characteristics,for example,there is LED on the surface of the keys,and the numbers displayed on the keys are random,also a certain angle of view is restricted.Outside of a certain angle,the number LED displayed on the keyboard is impossible to be seen.Even other people can see the keys that the customer pressed,but because when the customer finished inputting the password,the key numbers will be re-arranged again,so,the customer unnecessarily worried about that other people would take his password. |
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| Keywords: | disorder password keyboard random re-arrange |
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