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Touch control type anti-theft device

An anti-theft device and touch technology, which is applied in character and pattern recognition, electric locks, instruments, etc., can solve problems such as misjudgment, increase in rejection rate, leakage of confidential information, etc., and achieve the effect of reducing cost and sensitivity

Inactive Publication Date: 2010-08-18
SUZHOU PIXCIR MICROELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Common anti-theft devices currently on the market include combination lock anti-theft, fingerprint lock anti-theft, etc. For the combination lock anti-theft device, if the password is accidentally stolen, the confidential information will be leaked; Reliable protection of information, but because the fingerprint anti-theft device requires a fingerprint recognition system, and the penetration rate of the fingerprint recognition system is not high due to the sensitivity and cost of fingerprint recognition
Due to the influence of the traditional fingerprint anti-theft lock on the rejection rate and false recognition rate, there are inevitable problems when setting the sensitivity of fingerprint recognition. If the rejection rate is reduced, the false recognition rate will increase; on the contrary, if the false recognition rate is reduced , the rejection rate will increase
In this way, if the accuracy of fingerprint recognition is too low, the system will accept other fingerprints that are similar to the user's fingerprint; and if the accuracy of fingerprint recognition is too high, sometimes even the user himself, because of the hand touch sensor If the posture of the area is wrong, or there is a foreign object in the hand, it will also be misjudged by the system
The above situation will inevitably lead to the user's dependence on the fingerprint system, which will bring inconvenience to the user.

Method used

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0010] The touch-type anti-theft device of the present invention comprises a fingerprint identification system, a pressure sensing system including a capacitive touch chip, a terminal processor, an operation interface and a direct connection interface. Among them, the fingerprint identification system is used to identify the user's fingerprint signal and send corresponding instructions to the terminal processor; the pressure sensing system is composed of a touch panel composed of a capacitive touch chip, an MCU, etc., and a dedicated program software. It is: the pressure is converted from the sag distance of the touch panel screen, and the sag distance is proportional to the pressure, and the sag distance can be obtained by converting the capacitance value change; if the company expresses: capacitance C=εS / 4πkd, where ε is the dielectric constant , S is...

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Abstract

The invention relates to a touch control type anti-theft device which comprises a fingerprint anti-theft system, an operation interface, a terminal processor, a connection interface and a pressure sensing system. By using a fingerprinting device and a touch control pressure and contact time device to identify information, the touch control type anti-theft device achieves the anti-theft purpose, thereby not only solving the problem of the high dependence caused by the only use of fingerprinting sensitivity but also achieving the purpose of reducing cost because the requirement for the fingerprint sensitivity is lowered, and the requirements for the instrument and device sensitivity are consequently lowered.

Description

technical field [0001] The invention relates to an anti-theft device, in particular to a touch-type anti-theft device. Background technique [0002] Common anti-theft devices currently on the market include combination lock anti-theft, fingerprint lock anti-theft, etc. For the combination lock anti-theft device, if the password is accidentally stolen, the confidential information will be leaked; Reliable protection of information, but because the fingerprint anti-theft device requires a fingerprint recognition system, and the fingerprint recognition system is not popular due to the impact of fingerprint recognition sensitivity and cost. Due to the influence of the traditional fingerprint anti-theft lock on the rejection rate and false recognition rate, there are inevitable problems when setting the sensitivity of fingerprint recognition. If the rejection rate is reduced, the false recognition rate will increase; on the contrary, if the false recognition rate is reduced If s...

Claims

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Application Information

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IPC IPC(8): E05B49/00G06K9/00
Inventor 王宏
Owner SUZHOU PIXCIR MICROELECTRONICS
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