KR20020010163A - Handy type counterfeit detector - Google Patents

Abstract

PURPOSE: Provided is a detector for forged notes which uses an electronic discerning part to judge whether the notes are true or forged so that it improves efficiency in interpreting the forged notes. CONSTITUTION: The detector for the forged notes comprises the parts of: a body(1) which forms a note passage groove with certain height; a discerning part with the naked eye(10) which discerns letters or figures displayed in the notes in a naked eye; an electronic discerning part(20) which radiates wave with specific band at the notes passed through the note passage groove and senses an ultraviolet ray reflected or transmitted from the notes to judge whether the notes are true or forged; a sensing part for notes migration(30) which senses the migration of notes in the notes passage groove to collect information when the notes are just moved; a magnetic detection part(40) which detects magnetic ink components of the notes in the note passage groove; and a control circuit board(50) which controls the discerning part with the naked eye, the electronic discerning part, the sensing part for notes migration and the magnetic detection part.

Description

Counterfeit Money Identification Device {HANDY TYPE COUNTERFEIT DETECTOR}

The present invention relates to a counterfeit money identification device used to identify counterfeit money and similar counterfeit documents.

In general, most securities, such as banknotes, are frequently made of special paper containing 90% or more cotton fiber to prevent long-term preservation and damage, and the surface is often treated with special chemicals. Alternatively, various securities have unique surface reflection and absorption characteristics.

As a conventional counterfeit paper recognition technology, the general paper is characterized by the fluorescence characteristics, the technology that detects the fluorescence by detecting the fluorescence by using an ultraviolet lamp is a counterfeit, otherwise it is a commercial technology that determines the pneumoconiosis, The prior art has a problem that visual identification is possible because certain bills are surface treated using fluorescence, but electronic identification is very difficult, and recently, rapidly spread recycled paper has non-fluorescent characteristics, so that counterfeit money using these papers In case of authenticity, there was a limit.

As another method of the related art, there is a method for distinguishing between pneumoconiosis and pneumothorax by precisely analyzing an image printed on a bill, but this method requires high mechanical stability and sufficient time. There is a limit to apply to the deposit and withdrawal machines, and the recent development of precision printing technology has made it difficult to identify because of counterfeiting.

As another method of the prior art, the applicant of the Korean Patent Application No. 1999-20335, by detecting the intensity of the transmitted and reflected light to extract the intensity of the absorbed light, there is a method for distinguishing the pneumoconiosis and obstruction by this value, in this case the device There is a problem that the volume is large and the visual identification is not easy.

In addition, the conventional method collects information while passing the bill to be examined inside the device to determine whether pneumoconiosis and pneumoconiosis, based on the information obtained, that is, when the bill is stopped during movement and is stopped. Since the information of the site is repeatedly collected, there is a problem that the reading efficiency of the banknote decreases as a factor of an error in determining the collected information.

The present invention is to solve the conventional problems as described above, it is easy to visually determine whether the pneumococcal and counterfeit, and also to collect the information only during the movement of the banknotes to improve the reading efficiency of the banknotes The purpose is to provide an identification device.

In addition, the present invention has another object to provide a counterfeit bill identification device that is easy to carry and use.

In order to achieve the above object, the present invention, the main body and the bill passing groove formed in the longitudinal direction on one side; A visual recognition unit installed at an upper side of the banknote passing groove of the main body to visually recognize letters or figures displayed on the banknote passing through the banknote passing groove; Installed on and under the banknote passing groove of the main body, and irradiates the ultraviolet rays having a wavelength of a specific band to the banknotes passing through the banknote passing groove, and detects whether the pneumonia and forfeiting by sensing the ultraviolet rays reflected and / or transmitted from the banknote An electronic identification unit; A banknote movement detecting unit installed at one side of the banknote passing groove of the main body to sense movement of the banknote passing through the banknote passing groove to collect information through the electronic recognition unit only when the banknote is moved; A magnetic detector installed at an upper portion of the bill passing groove of the main body and detecting a magnetic ink component of the bill passing through the bill passing groove; A control circuit board for controlling the naked eye and the electronic recognition unit, the bill movement detection unit, and the magnetic detection unit; It is characterized by providing a counterfeit bill identification device comprising.

Figure 1a is a perspective view of the counterfeit bill identification apparatus according to the present invention.

Figure 1b is a bottom view showing a counterfeit bill identification device according to the present invention.

Figure 2 is a perspective view showing a state in which the upper cover of the counterfeit bill identification apparatus according to the invention off.

Figure 3 is an exploded cross-sectional view showing the naked eye recognition portion of the counterfeit bill identification apparatus according to the invention.

Figure 4 is an exploded cross-sectional view showing an electronic identification portion of the counterfeit bill identification apparatus according to the present invention.

Figure 5 is a perspective view showing an extract of the bill movement detection unit of the counterfeit bill identification apparatus according to the present invention.

Figure 6 is a perspective view showing a modified example of the banknote movement detection unit of the counterfeit bill identification apparatus according to the present invention.

<Description of the code | symbol about the principal part of drawing>

1: Main body 2: Banknote passing groove

3: bill 4: ring

5: portable necklace 6: battery compartment

7: adapter jack 10: visual identification unit

11 magnifier 12 blue light emitting diode

13: cylinder 13a, 14a: black coating layer

14 holder 15 wavelength band filter

20: electronic recognition part 21: UV lamp

22: reflected light sensor 23: holder

23a: black coating layer 24, 25: wavelength band filter

26: transmitted light sensor 27: three-color light emitting diode

30: bill movement detection unit 31: the rotating disc

33: long hole 34: light receiving sensor

35: light emitting sensor 36: blocking plate

36a: protrusion 37: Hall sensor

38: magnet 40: magnetic detector

50: control circuit board

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

Figure 1a is a perspective view showing a counterfeit bill identification device according to the present invention, Figure 1b is a bottom view showing a counterfeit bill identification device according to the present invention, Figure 2 is a top cover of the counterfeit bill identification device according to the invention It is a perspective view which shows the peeled state.

In the counterfeit bank identification apparatus according to the present invention, as shown in Figures 1a and 1b and 2, the banknote passage groove 2 in the longitudinal direction on one side of the main body 1 is formed in a predetermined depth, the main body ( The visual recognition unit 10 for visually identifying letters or figures displayed on the banknote 3 passing through the banknote passage groove 2 on the upper one side of the main body 1 based on the banknote passage groove 2 of 1). Is installed.

As shown in FIG. 3, the naked eye recognition unit 10 irradiates ultraviolet rays to the surface of the magnifying glass 11 and the banknote 3, and includes a blue light emitting diode (Blue LED) 12 and the blue light emission. A cylinder 13 which is fitted to the outside of the diode 12 and has a black coating layer 13a formed therein to prevent light emitted from the blue light emitting diode 12 from leaking to the outside, and the blue light emitting diode 12 A wavelength band filter 15 which is positioned at the front end of the wavelength band and transmits only ultraviolet rays above a specific band, that is, ultraviolet rays below 400 nm, and the magnifying glass 11 and the blue light emitting diode 12 are coupled to each other to form a 45 degree angle. It consists of the holder 14 in which the black coating layer 14a was formed.

Here, the wavelength band filter 15 has a high proportion of natural face components in order to enhance durability of most bills, and light in the short wavelength (400 nm or less) region of the wavelength band of light to prevent discoloration and damage caused by ultraviolet rays. In view of the strong reflection of light, BK7 glass is coated with a multilayer thin film to pass only light of 400nm or less, and the transmittance characteristic of the filter used is the highest peak of 80% or more at about 360nm through light transmission. It was used to have a characteristic that reaches to and the transmittance near 400nm 0%.

In addition, an electronic recognition unit 20 is provided at an upper side of the banknote passing groove 2 of the main body 1 adjacent to the naked eye recognition unit 10, and the electronic recognition unit 20 is shown in FIG. 4. An ultraviolet lamp 21 serving as a light source for irradiating ultraviolet rays to the surface of (3), and a reflected light sensor 22 for detecting ultraviolet rays irradiated from the ultraviolet lamp 21 to the banknote 3 and reflected from the banknote 3; And the holder 23 having the black coating layer 23a formed therein and coupled to the ultraviolet lamp 21 and the reflected light sensor 22 at an angle of 45 degrees, and positioned at the tip of the reflected light sensor 22. And a wavelength band filter 24 for transmitting only ultraviolet rays having a specific band (400 nm or less) wavelength, and positioned below the ultraviolet lamp 21, irradiated from the ultraviolet lamp 21 to the banknote 3, and the banknote 3 A wavelength band filter 25 for transmitting only ultraviolet rays of 400 nm or less among the ultraviolet rays transmitted through And a transmitted light sensor 26 for detecting the transmitted ultraviolet light filtered by the wavelength band filter 25.

On the upper surface of the main body 1, a three-color light emitting diode 27 for displaying the identification result of the electronic recognition unit 20 in three colors is provided. The tricolor light-emitting diodes 27 are shown in green for pulmonary, red in forgery, and orange in the standby state of the device.

Here, the three-color light emitting diodes 27 are not limited to green, red, and orange, and may be any color that can be distinguished from each other.

In addition, the electronic recognition unit detects the movement of the banknote 3 passing through the banknote passage groove 22 at one upper side of the banknote passage groove 2 of the main body 1 adjacent to the naked eye recognition unit 10. Banknote movement detecting unit 30 for collecting information through 20 is installed.

And the bill movement detection unit 30, as shown in Figure 5, is installed rotatably by the support shaft 32 in the interior of the main body 1 and the rotating disc formed with a plurality of long holes 33 in the body And an encoder sensor having light receiving and light emitting elements 34 and 35 installed to correspond to both sides of the rotating disc 31.

On the other hand, Figure 6 shows a modified example of the bill movement detection unit 30, which is a rotating disc 31 is rotatably installed by the support shaft 32 inside the main body 1, and It is installed on one side of the rotating disc 31 and the outer periphery of the plurality of protrusions (36a) formed in a radially opposite, with the protrusions (36a) of the blocking plate (36) therebetween to correspond to each other Hall sensor 37 and the magnet 38 is installed,

The magnetic detector 40 detects the magnetic ink component of the banknote 3 passing through the banknote passage groove 2 in the upper portion of the banknote passage groove 2 of the main body 1 adjacent to the electronic recognition unit 20. The visual recognition unit 10, the electronic recognition unit 20, the bill movement detection unit 30, and the magnetic detection unit 40 described above are controlled by the control circuit board 50.

As illustrated in FIG. 1B, the main body 1 is provided with a battery accommodating part 6, which is a secondary battery, and an adapter jack 7 for receiving external power, and a portable necklace 5 is provided on one side of the main body 1. ) Is fitted with a ring (4).

In addition, the main body 1 includes a power ON-OFF switch S3 which cuts off the power when not in use in order to prevent unnecessary consumption of external power and a battery, and the visual recognition unit 10 and the electronic recognition unit 20. The first selection switch (S1) for selecting and driving each separately, and the second selection switch (S2) for selecting each of the magnetic detection unit 40 and the electronic recognition unit 20, or simultaneously select them.

The counterfeit paper identification device according to the present invention configured as described above is to recognize whether the pneumoconiosis and pneumoconiosis.

First, one of the visual recognition unit 10 and the electronic recognition unit 20 is selected by operating the first selection switch S1 and the second selection switch S2 installed in the main body 1, and then power ON-OFF. Turn on the switch (S3).

In this case, when the visual recognition unit 10 is selected, the electronic recognition unit 20 does not operate, but only the visual recognition unit 10 operates to recognize whether or not pneumonia and puffiness, that is, a blue light emitting diode ( Of the light irradiated from 12), only ultraviolet rays having a specific wavelength of 400 nm or less pass through the wavelength band filter 15 and are irradiated to the surface of the banknote 3 passing through the banknote passing groove 2 of the main body 1.

Therefore, whether the fluorescent material emitted by ultraviolet rays of 400 nm or less, which is a specific band wavelength processed on the surface of the banknote 3, reacts, and whether the user visually counterfeits or pneumonia from the letters or figures enlarged through the magnifying glass 11. Will be able to identify.

At this time, the black coating layer 14a is formed on the inner surface of the holder 14 in which the magnifying glass 11, the blue light emitting diode 12, and the wavelength band filter 15 are installed, and the blue light emitting diode 12 is formed of the black coating layer 13a. Since it is inserted into the cylinder 13 formed on the inner surface, the light does not leak to the outside, and the visible effect is improved, so that it is possible to recognize whether the fluorescent material displayed on the bill is emitted and letters or figures in a more clear state. .

In addition, when the electronic recognition unit 20 is selected, the naked eye recognition unit 10 does not operate, but the banknote movement detection unit 30, the electronic recognition unit 20, and the magnetic detection unit 40 operate to prevent puffiness and atrophy. It will be recognized whether or not.

First, when the banknote 3 passes along the banknote passage groove 2 formed in the main body 1, the ultraviolet ray lamp 21 of the electronic recognition part 20 passes the banknote passage groove 2 in the banknote 3 Irradiated with ultraviolet rays, only ultraviolet rays of 400 nm or less that pass through the specific band filter 24 among the ultraviolet rays reflected from the banknote 3 are incident on the reflected light sensor 22, and the ultraviolet rays transmitted through the banknote 3 are After passing through the specific band pass filter 25 to collect information from the banknotes moved in a manner that is incident to the projection light sensor 26 to recognize the presence or absence of pneumoconiosis.

At this time, according to the feature of the present invention, in the process of moving the bill 3 through the bill passing groove 2, the bill movement detection unit 30 is operated to detect the movement of the bill (3), the electronic identification Maintaining the information collection operation through the unit 20, and stops the information collection operation of the electronic recognition unit 20 if the movement of the bill 3 is not detected.

That is, the rotary disc 31 is rotated by the frictional force between the banknote 3 moving along the banknote passage groove 2 and the rotary disc 31 of the banknote movement detecting unit 30, the rotary disc 31 The light emitted from the light emitting element 35 in accordance with the rotation of the rotary disk 31 to detect the movement of the bill through the way to enter and block the light receiving element 34 through the long hole 33 formed radially do.

And in the modification of the banknote movement detection part 30 shown in FIG. 6, by the protrusion piece 36a of the blocking plate 36 provided in one side of the rotating disk 31 rotated by the banknote 3, The magnetic force generated from the magnets 38 installed to correspond to each other with the protruding pieces 36a interposed therebetween is transmitted and blocked by the hall sensor 37 to detect movement of the bill.

Therefore, in the present invention, since the information collecting operation by the electronic identification unit 20 is not performed in the state where the bill 3 is not moved and is stopped, the information of a specific part (any one place) of the bill is repeatedly repeated in the conventional method. It is possible to prevent a collection error of information generated by the collection, thereby improving the recognition efficiency of the pneumoconiosis and forgery.

And the magnetic detection part 40 detects the magnetic ink component printed on the surface of the banknote 3, and is selectively driven as needed. And since the ring 4 for fitting the portable necklace 5 is formed on one side of the main body, it is convenient to carry and use the device.

As described above, according to the present invention counterfeit bill identification device, whether or not the counterfeit and pneumoconiosis can be easily determined with the naked eye, and the reading efficiency of the counterfeit and pneumothorax through the electronic identification unit can be improved, and the portable device is also carried. And ease of use.

Claims (6)

A main body formed with a predetermined depth in the longitudinal direction on one side of the banknote passage; A visual recognition unit installed at an upper side of the banknote passing groove of the main body to visually recognize letters or figures displayed on the banknote passing through the banknote passing groove; Installed on and under the banknote passing groove of the main body adjacent to the naked eye recognition unit, irradiates ultraviolet rays having a wavelength of a specific band to the banknote passing through the banknote passing groove, and detects the ultraviolet rays reflected and / or transmitted from the banknote An electronic recognition unit detecting whether pneumoconiosis and pneumoconiosis; A banknote movement detecting unit installed at an upper side of the banknote passing groove of the main body and detecting a movement of the banknote passing through the banknote passing groove to collect information through the electronic recognition unit only when the banknote is moved; A magnetic detector installed at an upper portion of the bill passing groove of the main body and detecting a magnetic ink component of the bill passing through the bill passing groove; A control circuit board for controlling the naked eye and the electronic recognition unit, the bill movement detection unit, and the magnetic detection unit; Counterfeit bill identification device comprising a. The method of claim 1, The visual recognition unit may include a magnifying glass, a blue light emitting diode, a wavelength band filter positioned at a tip of the blue light emitting diode to transmit only ultraviolet rays above a specific band, and a black coating layer formed inside the blue light emitting diode. It consists of a cylinder to prevent the light emitted from the light emitting diode to leak to the outside, and the blue light emitting diode and the magnifying glass are coupled to form a 45 degree angle, the holder formed with a black coating layer to improve the visible effect of ultraviolet light therein Counterfeit bill identification device, characterized in that. The method of claim 1, wherein the electronic recognition unit is installed above the banknote passage groove of the main body, the ultraviolet lamp for irradiating ultraviolet rays to the surface of the banknote, and the reflected light for sensing the ultraviolet rays irradiated from the ultraviolet lamp and reflected from the banknote A detection sensor, the ultraviolet lamp and the reflected light sensor are coupled at an angle of 45 degrees, a holder having a black coating layer formed thereon, a wavelength band filter positioned at the tip of the ultraviolet lamp to transmit only ultraviolet rays above a specific band, and the main body A wavelength band filter installed below the banknote pass groove of the bank and transmitting only ultraviolet rays below a specific band among the ultraviolet rays passing through the banknote, and a transmission light sensor for sensing the transmitted ultraviolet rays filtered by the wavelength band filter; 3-color flashes to indicate device standby and pneumoconiosis Counterfeit bill identification device characterized in that it comprises an iodine. According to claim 1, wherein the bill movement detection unit, rotatably installed on the inside of the main body by a support shaft and the body is formed with a plurality of long holes in the radially and the rotation disc corresponding to each other on both sides Counterfeit bill identification device characterized in that consisting of an encoder sensor having a light receiving and a light emitting element is installed. According to claim 1, wherein the bill movement detection unit, The rotating disc is rotatably installed by the support shaft in the inside of the main body, The blocking plate is provided on one side of the rotating disc and a plurality of protruding pieces radially on the outer periphery; Counterfeit bill identification device, characterized in that consisting of a magnet and a Hall sensor installed so as to correspond to both sides with the protruding pieces of the blocking plate therebetween. According to claim 1, wherein the main body is provided with a battery accommodating unit for accommodating a secondary battery, and an adapter jack for applying an external power, respectively, characterized in that a ring for inserting a portable necklace is installed on one side of the main body Counterfeit bill identification device.