Confidential password input 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 position of 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 people in 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 secret keyboards, in particular to a secret password input system. Background technique [0002] Confidential keyboard technology is mainly used in password input devices such as automatic teller machines. As a financial management service tool, the automatic teller machine is providing great convenience for people with its convenient and fast advantages. 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. At 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. station. [0003] An important factor restricting the development of ATMs in my country is the security of password use. People often cause economic losses due to the theft of passwords while operating traditional ATMs. The global economic losses caused by password theft...

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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