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.
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.
出处
《微计算机信息》
北大核心
2007年第03X期67-69,99,共4页
Control & Automation
