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Laser imaging password keyboard

A technology of password keyboard and laser imaging, applied in the direction of starting credit registration device, etc., can solve the problems of complex process and high cost

Inactive Publication Date: 2013-08-21
SHENZHEN ZHENGTONG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the process of this protective measure is complicated and the cost is relatively high.

Method used

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  • Laser imaging password keyboard
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Embodiment Construction

[0023] Below in conjunction with the best embodiment shown in the accompanying drawings, it will be further described in detail.

[0024] see figure 1 and figure 2 , the embodiment of the laser imaging password keyboard of the present invention roughly includes: panel 1; protective cover 2; projection device 3, which has a light emitting head, which can generate a projection keyboard 10 through the light 31 emitted by the light emitting head; keyboard operation capture device, It includes an infrared emission unit 4 and an infrared imaging unit (not shown in the figure) that cooperate with each other, and it has a light output head and a light input head that cooperate with each other, and it can pass the light emitted by the light output head and the light 41 captured by the light input head. The operation on the projection keyboard 10 is read and analyzed to obtain the operation; the projection keyboard position control device (not shown in the figure) is connected with th...

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Abstract

A laser imaging password keyboard comprises a projecting apparatus, a keyboard operation acquisition device, a projection keyboard position control device and a laser beam interference device, wherein the projecting apparatus is provided with a light-outgoing head and capable of generating a projection keyboard through light rays emitted by the light-outgoing head; the keyboard operation acquisition device is provided with a light-outgoing head and a light-incoming head which are mutually matched, and the keyboard operation acquisition device can read and analyze operations of a user on the projection keyboard through light rays emitted by the light-outgoing head and light rays acquired by the light-incoming head so as to obtain the operations; the projection keyboard position control device is connected with the projecting apparatus and used for generating control signals of the position and the content of the projection keyboard randomly; and the laser beam interference device is provided with a light-outgoing head and capable of interfering visible light in an area where the projection keyboard is located through light rays emitted by the light-outgoing head. The data input safety can be achieved at a low cost by the aid of the laser imaging password keyboard.

Description

technical field [0001] The invention relates to a password keyboard, in particular to the safety protection of the data input of the password keyboard. Background technique [0002] With the rapid development of the economy and the progress of science and technology, financial business has penetrated into every corner of people's daily life. As one of the indispensable computer peripherals for financial payment, PIN keyboard is widely used in communication, government, transportation, government, industry and commerce, taxation, supermarket and other service industries. It is used in conjunction with banking systems, POS machines and management systems. It is mainly used to enter the password. Along with the increase of various financial card users and the increasingly prevalent consumption of swiping cards, more and more people pay attention to the safety of PIN pads. The security protection of the password pad has become the focus of its design, and the ultimate goal of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07F7/02
Inventor 李肯立李国政秦云川沈案马兴旺李勇刘彦首南青
Owner SHENZHEN ZHENGTONG ELECTRONICS
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