A method of recycling waste mobile phones to make an anti-peeping password input device

A technology of password input and mobile phone recycling, which is applied in the direction of internal/peripheral computer component protection, etc., can solve the problems of high cost of anti-peeping liquid crystal display equipment and the inability to apply payment systems, etc., and achieve the effects of improving confidentiality, reducing costs, and ensuring payment security

Inactive Publication Date: 2020-02-14
HENAN UNIV OF SCI & TECH
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  • Claims
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Problems solved by technology

[0003] In view of the high cost of the anti-peeping liquid crystal display device in the prior art and the problems that it cannot be applied to the payment system, the present invention provides a method for recycling waste mobile phones to make an anti-peeping password input device

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  • A method of recycling waste mobile phones to make an anti-peeping password input device
  • A method of recycling waste mobile phones to make an anti-peeping password input device
  • A method of recycling waste mobile phones to make an anti-peeping password input device

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Embodiment Construction

[0017] The present invention will be further elaborated below in combination with specific embodiments.

[0018] A method for making an anti-peeping password input device by recycling waste mobile phones, comprising the following steps:

[0019] Step 1: Take the old smart phone, remove the polarizer on the top layer of the LCD screen of the phone, so that the screen is displayed as a white screen;

[0020] Step 2: Take the black glass lens, fix the bottom on one side of the LCD screen of the mobile phone, and form an angle of 70~110 degrees with the plane where the LCD screen of the mobile phone is located;

[0021] Step 3: Utilizing the characteristics that the reflectivity of the black glass lens is related to the polarization state, the image formed in the black glass mirror can present the images and text on the display screen of the mobile phone. With the random keyboard and touch screen of the mobile phone, it can be used as an anti-peeping password Input device, in ord...

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Abstract

The invention relates to a method for recycling a waste mobile phone to make an anti-peeping password input device, wherein a current mobile screen is used and transformed. A polarizing film on the top layer of the liquid crystal display screen of the mobile phone is removed; the screen seen at the moment is white; and if contents on the display need to be seen clearly, an image formed by black glass needs to be watched. The function can effectively control a visual scope and achieve anti-peeping effects; a screen touch function of the mobile phone screen is reserved, a password could be directly input on the screen in combination with a random keyboard, and confidentiality and payment safety could be enhanced by the random keyboard in comparison with an entity keyboard disposed on a payment POS machine used in general supermarkets and markets; the intelligent mobile phone can be connected to a network and can be effectively butt-jointed to a payment system; various types of apps could be downloaded and connected to life, so more intelligent functions could be provided; and the design reuses the eliminated old mobile phone, so the cost could be greatly reduced, and green and environment-friendly concepts could be satisfied better.

Description

technical field [0001] The invention relates to the technical field of password input devices, in particular to a method for recycling waste mobile phones to make an anti-peeping password input device. Background technique [0002] Today in the age of electronic commerce, all kinds of microcomputers popularized at home and abroad, especially computer network services, cannot do without the use of password input devices that can input information codes. The most frequently used password input keyboard is function keys such as 0-9 ten number keys and confirmation key. Since the arrangement position of each key is fixed and there is no anti-peeping measure, when the user enters the password, especially when the password needs to be input repeatedly, the number of digits of the password and the key data pressed are easy to be peeped or stolen, which not only gives the user Bring a psychological burden, but also cause unnecessary risks. The anti-peeping liquid crystal display d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/83
CPCG06F21/83
Inventor 王翚琚伟伟李同伟侯昱阳唐俊刘航
Owner HENAN UNIV OF SCI & TECH
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