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a copy proof document

A technology of anti-copying and document application in the field of anti-counterfeiting, which can solve the problems of high cost and complex production process of anti-copying documents, and achieve the effect of simple anti-counterfeiting, good uniqueness and easy identification

Active Publication Date: 2018-09-25
工业和信息化部装备工业发展中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide an anti-copy document, which is easy to identify, highly recognizable, reliable in anti-counterfeiting, simple, fast, and low in cost, so as to overcome the complex production process and high cost of existing anti-copy documents. question

Method used

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Examples

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Embodiment Construction

[0025] The present invention provides an anti-copy document mainly based on the following principles. Most of the ordinary raster copiers for office use on the market now copy images with RGB (240, 240, 240), (0, 0, 0), (68, 68, 68). figure 1 As shown in the figure, from top to bottom in the figure are examples of chrominance images with RGB values ​​of (240, 240, 240), (68, 68, 68), (0, 0, 0), due to grating blind spots, ordinary grating The photocopier cannot copy and display the image whose chroma is RGB (240, 240, 240). Therefore, according to this point, the present invention utilizes the difference in color value to realize a visually visible anti-copying solution for documents.

[0026] The anti-copying document according to the present invention includes a document base layer, and an anti-counterfeiting identification area is arranged on the document base layer, and an anti-copying printing layer is printed in the anti-counterfeiting identification area, and the anti-...

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Abstract

The invention discloses an anti-coping file, which comprises a file substrate. An anti-counterfeit identification zone is arranged on the file substrate; an anti-coping printed layer is printed in the anti-counterfeit identification zone, and comprises a first chroma printing layer, a second chroma printing layer and a third chroma printing layer formed through printing by adopting different chromas; the first chroma printing layer is prepared from chroma with RGB (Red Green Blue) value being (68, 68, 68); the second chroma printing layer is prepared from chroma with RGB value being (0, 0, 0); and the third chroma printing layer is prepared from chroma with RGB value being (240, 240, 240). The anti-coping file provided by the invention is easy to identify, high in identification degree, reliable in anti-counterfeiting, simple and fast to manufacture, and low in cost.

Description

technical field [0001] The invention relates to the technical field of anti-counterfeiting, in particular to an anti-copy document. Background technique [0002] Photocopying is a common means of stealing secret documents. Stealing documents by copying can obtain complete information, and since the original documents are not damaged or lost, it is not easy to attract the attention of the custodian. And if criminals forge according to the copied content, managers or the public are often difficult to identify. Anti-copying technology is mainly divided into two categories: anti-copying paper technology and anti-copying coating technology. The anti-copy paper technology mainly deals with the paper of the document in a special way, so that the stealer cannot copy the content of the document. Anti-counterfeiting ink technologies commonly used in anti-copy coatings include: fluorescent ink, watermark ink, mirror image color-changing ink, glare ink, photosensitive ink, OVI ink, m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B42D25/305B42D25/45
CPCB42D25/305B42D25/45
Inventor 郑贺悦程明邱彬李富强孟凡波
Owner 工业和信息化部装备工业发展中心
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