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Compound type safety line anti-counterfeiting detection device and method

A technology of anti-counterfeiting detection and security thread, which is applied to the authenticity inspection of banknotes, handling coins or valuable banknotes, instruments, etc., to achieve the effects of improving recognition rate, ensuring consistency, and saving processing and analysis time

Inactive Publication Date: 2018-06-29
湖南丰汇银佳科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no composite anti-counterfeiting detection device and method for the combination of security thread thickness variation characteristics and magnetic characteristics

Method used

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  • Compound type safety line anti-counterfeiting detection device and method
  • Compound type safety line anti-counterfeiting detection device and method
  • Compound type safety line anti-counterfeiting detection device and method

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Embodiment Construction

[0030] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0031] see figure 1 The embodiment of the acquisition device of the composite safety thread anti-counterfeiting detection device, in this embodiment, the composite safety thread anti-counterfeiting detection device is arranged side by side by sixteen roads of collection devices with the same structure, and each collection device has the same structure, including Upper support 1 and lower support 7, its upper support 1 and lower support 7 are arranged on the money-moving path of banknote checking device, so that banknote 3 can pass in the middle of the gap layer between upper support 1 and lower support 7, its lower support 7 is provided with the banknote pressing bearing 4 and the banknote pressing connecting rod 5 of the overpressing banknote b...

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Abstract

The invention discloses compound type safety line anti-counterfeiting detection device and method. Full coverage is realized by using 16 channels, and synchronous acquisition of magnetic signal and thickness signal by each channel can be guaranteed in the same area of banknote; each channel acquires effective magnetic signal and thickness signal in real time and with high density; after being amplified by an amplification circuit, the magnetic signal and the thickness signal are sent to MCU at the same time; the MCU performs effective processing such as weight integration and impact factor uniformization on the received acquisition data, and extracts the magnetic feature and thickness feature with stable safety line to the greatest extent; and meanwhile, the reference value is subjected toreal-time fine tuning, and the accuracy and effectiveness of a reference feature model are guaranteed. By comparing the extracted feature values with the magnetic feature of the banknote and a thickness reference model, composite anti-counterfeiting judgment is realized, and the version-denomination judgment accuracy and the authentic identification performance are further improved; and meanwhile, the false alarm rate is reduced, and the system operation efficiency is increased.

Description

technical field [0001] The invention relates to the field of banknote anti-counterfeiting detection, in particular to a device and method for compound detection and identification of genuine and counterfeit banknotes by using the magnetic characteristics of banknote security threads and the characteristics of window opening. Background technique [0002] With the prosperity and development of our country's economy, paper money, as the main means of circulation and means of payment, has an increasing circulation volume and plays an important role in economic activities. Although banknotes have more and more anti-counterfeiting features and anti-counterfeiting technology is becoming more and more advanced, criminals still use all means to manufacture counterfeit money with a high degree of simulation. Two methods are used for compound anti-counterfeiting detection on a certain anti-counterfeiting feature of banknotes, which can greatly improve the counterfeiting detection abil...

Claims

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Application Information

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IPC IPC(8): G07D7/04
CPCG07D7/04G07D2207/00
Inventor 朱晓瑜罗承彪刘清海彭联贴谭卫清刘宇
Owner 湖南丰汇银佳科技股份有限公司
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