KR100651245B1 - Portable implement for detecting counterfeit note - Google Patents

Abstract

A portable counterfeit note detecting device is provided to enable people to visually discriminate a note by using the counterfeit note detecting device having a transparent lattice or a lenticular and a magnifier. A portable counterfeit note detecting device includes a lenticular having plural lenticular lattices protruding in parallel from the upper surface of a base sheet to totally reflect a latent image of a note, and a transparent block body(10) having grooves formed on the bottom surface for receiving the lenticular lattices. The block body has a magnifier for detecting micro characters(3) of the note. The lenticular is inclined relative to the bottom surface of the block body in the longitudinal direction, and the inclined angle is within a range of 5 to 20 degrees.

Description

Portable Implement for Detecting Counterfeit Note

1 is a perspective view showing a block body of a portable counterfeit bill identification tool according to the present invention,

2 is a side view of FIG. 1;

Figure 3 is a perspective view showing the appearance of the coated block body in the portable counterfeit identification tool according to the present invention,

Figure 4 is a perspective view showing the lenticular in the portable counterfeit bill identification tool according to the present invention,

5 is a perspective view showing another embodiment of the lenticular in the portable counterfeit bill identification tool according to the present invention,

Figure 6 is a perspective view showing a portable counterfeit bill identification tool according to the present invention,

7 is a front view of FIG. 6,

8 is a side view of FIG. 6;

9 is a plan view schematically showing a banknote usable in the present invention;

10 is a perspective view illustrating a state of use of the portable counterfeit bill identification tool according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: log of bank notes 3: fine characters

5: Intaglio latent secretary 9: banknote

10: block body 11: receiving groove

13: home 15: magnifying glass

17: Gorehole 18: Rogue

20,120: Lenticular 21,121: Basesheet

23,123: Lenticular grid 50: Portable counterfeit money identification tool

t: thickness of the base sheet b: width of the lenticular grid

h: height of the lenticular lattice α: angle of inclination

The present invention relates to a portable counterfeit bill identification tool for determining the authenticity of banknotes, such as banknotes and securities, more specifically, the hidden characters that are intaglio facing banknotes, securities, etc. It is attached to a portable counterfeit bill identification tool that can check the fine characters and delicate patterns.

With the development of office automation devices, computer peripherals, the emergence of digital color printers (copiers, printers) with a high resolution of 800 to 1440dpi makes it easy to copy and forge banknotes and securities. This is the time when crime is a problem.

Many anti-counterfeiting methods have been studied to solve this problem, and such anti-counterfeiting techniques include silver, silver wire, fluorescent color yarn, photovariable ink, time-varying discoloration material, intaglio printing, fluorescent ink, intaglio latent image, Text and line drawing are applied.

The authenticity identification method of anti-counterfeiting technology applied to banknotes and securities shows the portrait of King Sejong and the partially exposed silver line when the silver and silver line are reflected in bright light, and the face, characters, and buildings are convex in the intaglio printing area. Confirm with In addition, fluorescent ink distinguishes genuine and counterfeit rights by emitting a unique color of a fluorescent material when the banknote is irradiated with ultraviolet light by using an ultraviolet fluorescent lamp.

However, after finely copying and forging by using a color printer (copier, printer), silver, partially exposed silver wire, fluorescent material, intaglio printing, etc., which are anti-modulation technologies, are transparent ink, silver powder ink, aluminum thin film, embossing device, etc. It is difficult for the general public to identify banknotes and securities, since they are used by counterfeiting.

In addition, reviewing by device is expensive, and thus a simple tool for authenticity of the general public is needed.

Accordingly, the present inventors have studied and researched to solve the problems of the prior art, and as a result of analyzing the characteristics of the anti-counterfeiting technology applied to banknotes and securities, according to the intaglio latent image, fine characters and line drawing, which are difficult to imitate It is possible to solve the above problems by designing a portable counterfeit bill identification tool that can be easily carried and used by the general public, and by designing a portable counterfeit bill identification tool that can check forgery and alteration prevention technology applied to banknotes and securities. The present invention has been completed based on this finding.

Therefore, the object of the present invention is to solve the above-mentioned problems of the prior art, and to show the "WON", which is a latent image secretary, when an authentic filter is applied to banknotes and securities, banknotes and oil prices forged by inkjet color printers. Since securities consist of halftone dots, it is easy to see that fine letters and line drawing are easily copied by ordinary people using a magnifying glass. In addition, it is to provide a portable counterfeit money recognition tool that can be easily checked by the general public when designing the product.

The present invention for solving the above problems as a means for identifying the authenticity of the bill, a plurality of lenticular lattice parallel to each other in the longitudinal direction to the upper side of the base sheet so as to guide the total reflection of the bill is formed A lenticular; A transparent material having a receiving groove having a shape corresponding to the lenticular is formed at the bottom thereof to accommodate the lenticular, and a surface forming a groove formed at the top and bottom thereof is rounded to form a magnifying glass for identifying the fine characters of the bill. Block body of; Characterized in that configured to include.

The present invention having such a feature will be more clearly described through the preferred embodiment accordingly.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

Prior to the description, the present invention is used as a means for identifying the authenticity of the bill by confirming the latent image formed on the bill in close contact with the bill, or by expanding the fine letters of the bill and visually confirming the latent image formed on the bill. Note that the notes mentioned in the present description include commercial banknotes and securities.

1 is a perspective view showing a block body of a portable counterfeit bill identification tool according to the present invention, Figure 2 is a side view of Figure 1, Figure 3 is a view of the block body coated in the portable counterfeit bill identification tool according to the present invention. 4 is a perspective view showing a lenticular in a portable counterfeit bill identification tool according to the invention, Figure 5 is a perspective view showing another embodiment of a lenticular in a portable counterfeit bill identification tool according to the present invention, Figure 6 Figure 10 is a perspective view showing a portable counterfeit money identification tool according to the invention, Figure 7 is a front view of Figure 6, Figure 8 is a side view of Figure 6, Figure 9 is a plan view schematically showing a bill usable in the present invention, Figure 10 is A perspective view illustrating a state of use of the portable counterfeit bill identification tool according to the present invention.

Portable counterfeit money identification tool 50 according to the present invention is largely composed of a lenticular 20 and the block body (10).

The lenticular 20 is for inducing total reflection of the latent image of the banknote 9 and is formed by protruding a plurality of lenticular grids 23 to the upper side of the base sheet 21. In this case, the lenticular grids 23 are parallel to each other in the longitudinal direction, and formed in the number of 55 to 120 per unit inch (inch) relative to the width direction. (Hereinafter, the number per unit inch of the lenticular lattice is denoted by line / inch) Here, the width direction means a direction perpendicular to the longitudinal direction of the lenticular lattice 23 on the plane.

Various embodiments may exist in the shape of the lenticular lattice 23, that is, for example, the lenticular lattice 23 may have a semicircular cross section or a regular triangle shape based on a longitudinal direction. .

Further, if the numerical value of the lenticular 20 as described above is limited, the thickness t of the base sheet of the lenticular 20 is 0.35 to 0.50 mm, the width of the lenticular grid is 0.30 to 0.45 mm, and the lenticular The height of the grating is preferably formed to be in the range of 0.05 to 0.10 mm.

In addition, the lenticular 20 is formed to be inclined in the longitudinal direction with respect to the bottom surface of the block body 10 when combined with the block body 10 to be described later, wherein the inclined angle (hereinafter referred to as the inclination angle) is 5 ° It is preferably an angle in the range of -20 °.

The block body 10 has a receiving groove 11 having a shape corresponding to the lenticular 20 is formed on the bottom surface to accommodate the lenticular 20, and the receiving groove on the plane of the top and bottom surfaces ( A groove 13 formed by recessing the surface is formed at a point different from the point at which the 11 is formed. At this time, the surface constituting the groove 13 formed on the upper and lower surfaces of the block main body 10 is rounded, and the magnifying glass 15 is formed. ) Is formed. That is, the magnifying glass 15 is not coupled to the block body 10 in a separate configuration, but may be formed at the time of manufacture of the block body 10 (injection molding). At this time, the magnifying glass 15 is preferably formed to have a 5 to 20 magnification, the magnification of the magnifying glass 15 may vary depending on the degree of curvature of the surface constituting the groove 13 of the block body 10. .

In addition, the block body 10 is preferably formed with a ring hole 17 for mounting a ring (not shown) for easy carrying and storage. The ring hole 17 may be formed close to the corner portion of the block body 10.

The block body 10 as described above is basically composed of a transparent material (a detailed description of the material will be described later). At this time, a portion that does not require transparency, that is, the ring hole 17 on the surface of the block body 10. ), Except the portion where the lenticular 20, the magnifying glass 15 is formed is coated with silver powder to maintain the opacity. Here, it is obvious that the surface of the block body 10 may be coated with various materials. However, it is preferable that a transparent log 18 coincident with the log 1 of the banknote is formed during the coating treatment.

Meanwhile, as the materials of the lenticular 20, the magnifying glass 15, and the block body 10 described above, an acrylate oligomer (PMMA-if 850) produced by LG Corporation, a photocurable urethane-modified epoxy acrylate oligomer, and polyvinyl chloride (polyvinyl chloride) oligomers, linear polyester oligomers may be applied, and in particular, various physical properties such as adhesion and invariability required as resins used in the block body 10 and the lenticular 20 which may induce total reflection. Acrylate oligomer (PMMA-if 850) or photo-curing type for high elasticity optical sheet, which satisfies the requirements and provides elasticity and resilience to prevent permanent damage of the surface pattern by foreign material scratching or impact. Preference is given to applying urethane-modified epoxy acrylate oligomers.

Hereinafter, an embodiment of the portable counterfeit bill identification tool according to the present invention as described above. Prior to the description, it is noted that the specific materials and numerical values mentioned in this embodiment do not limit the scope of the present invention.

Example 1

<1st process>

The block body 10 is manufactured by injection molding using an acrylate oligomer (PMMA-if 850) or a photocurable urethane-modified epoxy acrylate oligomer. At this time, the block body 10 is provided with a receiving groove 11, the ring hole 17, and the magnifying glass 15.

<The second process>

In the block body 10 manufactured in the first step, the portions except for the portions where the lenticular 20, the ring hole 17, and the magnifying glass 15 are located are screen-coated with silver powder to be opaque. At this time, the log 18 during the coating to be formed to be transparent.

<The third process>

The lenticular 20 is manufactured by using a photocurable urethane-modified epoxy acrylate oligomer, but the lenticular lattice 23 is composed of 70 to 75 lines (line / inch) and has a semi-circular cross section in the longitudinal direction. In this case, the thickness t of the base sheet constituting the lenticular 20 is 0.42 mm, the width b of the lenticular grid is 0.35 mm, the height is 0.08 mm and the inclination angle α of the lenticular 20 is Keep 10 ° and make transparent at regular intervals.

<The fourth process>

The semicircular lenticular 20 manufactured in the third process is inserted into the receiving groove 11 of the block body 10 to be manufactured.

When the log 18 formed on the block main body 10 is brought into close contact with the log 1 of the paper money, the portable counterfeit paper recognition tool 50 thus manufactured is intaglio latent image of the paper money 9 through the lenticular 20. (5) WON can be confirmed with the naked eye, and through the magnifying glass (15) can be seen with the naked eye microscopic characters (3) of the Bank of korea engraved on the bill.

That is, in the non-counterfeit banknote 9, the WON and the fine characters appear as the intaglio latent secretariat 5, but the intaglio latent images and the fine characters do not appear in the counterfeit inkjet color output, so the authenticity can be confirmed.

On the other hand, when explaining another embodiment of the portable counterfeit bill identification tool according to the present invention.

Example 2

<1st process>

The block body 10, the lenticular 20, and the magnifying glass 15 are manufactured by injection molding using an acrylate oligomer (PMMA-if 850). At this time, the block body 10 is formed with a lenticular 20, a ring hole 17, and a magnifying glass 15 of 10 times. That is, in this embodiment, the block body 10 and the lenticular 20 are integrally formed. In this case, the lenticular 120 is manufactured using an acrylate oligomer (PMMA-if 850) resin, but the lenticular grid 123 is used. ) Consists of 70 to 75 lines (line / inch) and the longitudinal cross-sectional shape forms an equilateral triangle. The thickness t of the base sheet 121 constituting the lenticular 120 is 0.39 mm, the width b of the lenticular grid is 0.35 mm, and the height h of the lenticular grid is 0.08 mm. The inclination angle () of the lenticular 20 is maintained at 15 ° to be transparently produced at regular intervals.

<The second process>

In the block body 10 manufactured in the first step, the portions except for the portions where the lenticular 20, the ring hole 17, and the magnifying glass 15 are located are screen-coated with silver powder to be opaque.

Example 3

<1st process>

The block body 10 is manufactured by injection molding using polyvinyl chloride or a linear polyester oligomer. At this time, the block body 10 is formed with a receiving groove 11, the ring hole 17, and the magnifying glass 15.

<The second process>

In the block body 10 manufactured in the first step, the portions except for the portions where the lenticular 20, the ring hole 17, and the magnifying glass 15 are located are screen-coated with silver powder to be opaque. At this time, the log 18 during the coating to be formed to be transparent.

<The third process>

The lenticular 120 is manufactured by using polyvinyl chloride or linear polyester oligomer resin, but the lenticular grid 123 is composed of 75 lines (line / inch) and has a longitudinal cross-sectional shape of an equilateral triangle. . The thickness t of the base sheet 121 constituting the lenticular 120 is 0.39 mm, the width b of the lenticular grid is 0.35 mm, and the height h of the lenticular grid is 0.08 mm. The inclination angle α of the lenticular 20 is maintained at 15 ° to be transparently produced at regular intervals.

<The fourth process>

The semicircular lenticular 20 manufactured in the third process is inserted into the receiving groove 11 of the block body 10 to be manufactured.

As described above, the portable counterfeit money identification tool according to the present invention can be seen on the banknotes, securities, can see the latent visible secretary in the printed material and can see the fine characters visible in a line. The authenticity filter according to the present invention is easy to visually identify by the general public, including a transparent grid or lenticular and a magnifying glass, and when printed using an inkjet color printer, intaglio latent secretions and fine characters do not appear. Since there is a characteristic that can be determined, it can contribute to the prevention of counterfeiting by the inkjet printer of banknotes and securities.

Claims (11)

As a means for identifying the authenticity of banknotes, A lenticular formed by projecting a plurality of lenticular lattice parallel to each other in a longitudinal direction to the upper side of the base sheet so as to induce a total reflection of the banknote; A transparent material having a receiving groove having a shape corresponding to the lenticular is formed at the bottom thereof to accommodate the lenticular, and a surface forming a groove formed at the top and bottom thereof is rounded to form a magnifying glass for identifying the fine characters of the bill. Block body of; Portable counterfeit bill identification tool, characterized in that configured to include. The method of claim 1, The material of the lenticular, magnifying glass and block body is an acrylate oligomer (PMMA-if 850) resin or a photocurable urethane-modified epoxy acrylate oligomer, characterized in that the portable counterfeit bill identification tool. The method of claim 2, The lenticular grid is a portable counterfeit money identification tool, characterized in that formed in the number of 55 to 120 per unit inch based on the width direction perpendicular to the longitudinal direction. The method of claim 3, wherein The lenticular is formed to be inclined in the longitudinal direction with respect to the bottom surface of the block body, the portable counterfeit money identification tool, characterized in that the inclination angle is 5 ° ~ 20 °. The method of claim 4, wherein The base sheet of the lenticular is 0.35 ~ 0.50mm thick, the lenticular lattice is 0.30 ~ 0.45mm wide and the height of 0.05 ~ 0.10mm portable counterfeit money identification tool. The method according to any one of claims 1 to 5, The lenticular grid is a portable counterfeit money identification tool, characterized in that the cross section has a semi-circular shape based on the longitudinal direction. The method according to any one of claims 1 to 5, The lenticular grid is a portable counterfeit bill identification tool, characterized in that the cross section has a shape of an equilateral triangle with respect to the longitudinal direction. The method according to any one of claims 1 to 5, The magnifying glass is a portable counterfeit bill identification tool, characterized in that formed to have a 5 to 20 magnification. The method according to any one of claims 1 to 5, Portable block counterfeit identification tool characterized in that the block body is formed with a ring hole for mounting the ring. The method of claim 9, Portable counterfeit bill identification tool, characterized in that the block body is manufactured by injection molding a ring hole, lenticular, and magnifying glass. The method of claim 9, Portions of the surface of the block body except for the ring hole, the lenticular, and the area where the magnifying glass is formed are coated with silver powder so as to be opaque, and the portable counterfeit bill is characterized in that a transparent log is formed in accordance with the log of the banknote during the coating process. Identification tool.

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