Confidential password input system, automatic teller machine system and cash register POS system

Abstract

The invention discloses a secret password input system which includes a password input panel (1) used for password input and a display screen (2) used for displaying key mappings of the password; a reflector (3) which can carry out partial transmission and partial reflection on beams is arranged in front of the display screen (2); the surface of the reflector (3) and the plane of the display screen (2) form a sharp angle; the password input panel (1) is arranged at the position close to the image surface of the image of the display screen (2) formed by the reflector (3); the opposite positionof the key mappings of the password displayed by the display screen (2) can be changed at random. When the user uses the secret password input system of the invention to input information, any peoplein the surrounding cannot see or record the information inputted by the user, thus protecting the safety of the information inputted by the user to the largest extent; the secret password input system has good security, convenient use, low cost, is beneficial to popularization and can be widely applied to a cash dispenser system, a vending machine system, an automatic information inquiry system and a POS, etc.

Description

technical field [0001] The invention relates to the technical field of security keyboards, in particular to a security password input system. Background technique [0002] Security keyboard technology is mainly used in password input devices such as automatic teller machines. As a financial service tool, automatic teller machines provide great convenience for people with the advantages of easy and fast use. At present, the number of ATMs in the world has reached 1.7 million, and the number of ATMs in developed countries has reached one per thousand people. With this scale, the number of ATMs in my country will reach 1.3 million in the next few years, and currently there are only less than 300,000. tower. [0003] An important factor limiting the development of automatic teller machines in our country is the security of password use. When people operate traditional automatic teller machines, they often cause economic losses due to passwords being stolen. Global economic los...

AI Technical Summary

Problems solved by technology

At present, the existing PIN keyboards on the market mainly use the method of electronic encryption, which cannot effectively solve the problem that criminals use optical methods to steal PINs

At present, the existing optical password keyboards on the market mainly improve the security of passwords by limiting the viewing angle, but they cannot completely solve the problem.

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