KR20060005672A - System for detecting a defective condition of the paper money and method thereof - Google Patents

Abstract

The present invention relates to a counterfeit bill detection system and method, and more particularly, to a counterfeit bill detection system and method capable of discriminating counterfeit bills against multinational bills using a sensor for discriminating the authenticity of bills and detecting counterfeit bills. will be.

As the economic zone expands and the public travels and travels more and more, the handling of foreign currency as well as foreign currency occurs frequently. As the economic activity becomes active, as image processing technologies such as the development of high-performance color copiers develop, The general public is intricately crafted counterfeit, which is indistinguishable from all over the world, and in order to prevent the use of counterfeit, a huge amount of money is spent after a certain period of time to develop money using new techniques. Counterfeit discrimination devices have been continuously developed to distinguish between them.

Here, the counterfeit discrimination devices developed to detect counterfeits are developed and used for the purpose of using them in places with large amounts of money such as financial companies.

However, it is difficult for the general public to carry complicated and expensive fixed functions such as desktop devices used in banks. In addition, the counterfeit discrimination apparatus, which is a desktop device used to detect the counterfeits, is bulky, heavy, and difficult to carry.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, by inputting information of multinational banknotes related to counterfeiting into a communication terminal carried by an individual and determining whether or not the input information is matched using a built-in discriminator. Provide counterfeit bill detection system to improve counterfeit discrimination ability.

Light emitting element, light receiving element, memory

Description

System for detecting a defective condition of the paper money and Method

1 is a block diagram showing a counterfeit money detector according to an embodiment of the present invention.

Figure 2 is a flowchart for explaining the operation of the counterfeit bill detection apparatus according to an embodiment of the present invention.

Figure 3 is an appearance of the counterfeit bill detection apparatus according to another embodiment of the present invention.

FIG. 4 is a diagram illustrating an image of a portable communication terminal capable of differentiating a counterfeit installed in the counterfeit bill detection system shown in FIG.

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

1: light emitting element

2: drive circuit

3: light receiving element

4: signal processor

5: control unit

6: Judgment unit

7: memory

The present invention relates to an apparatus and method for detecting counterfeit bills, and more particularly, to a counterfeit bill detection system and method capable of discriminating counterfeit money against a multinational bill by using a sensor for detecting counterfeit money by discriminating the authenticity of the bill. will be.

As the economic zone expands and the public travels and travels more and more, the handling of foreign currency as well as foreign currency occurs frequently. As the economic activity becomes active, as image processing technologies such as the development of high-performance color copiers develop, The general public is intricately crafted counterfeit, which is indistinguishable from all over the world, and in order to prevent the use of counterfeit, a huge amount of money is spent after a certain period of time to develop money using new techniques. Counterfeit discrimination devices have been developed continuously to distinguish between them.

Here, the counterfeit discrimination devices developed to detect counterfeits are developed and used for the purpose of using them in places with large amounts of money such as financial companies.

However, it is difficult for the general public to carry complicated and expensive fixed functions such as desktop devices used in banks. In addition, the counterfeit discrimination apparatus, which is a desktop device used to detect the counterfeits, is bulky, heavy, and difficult to carry.

 Accordingly, the present invention has been made to solve the above-mentioned conventional problems, by inputting information of multinational banknotes related to counterfeiting into a communication terminal carried by an individual and determining whether or not the input information is matched using a built-in discriminator. The purpose of the present invention is to provide a counterfeit bill detection system and method for improving counterfeit discrimination ability.

In order to achieve the above object, in the counterfeit money detection system according to a preferred embodiment of the present invention in the counterfeit money detection system for detecting counterfeit money,

Light emitting device (1) is provided for detecting forgery by light projected inside the portable communication terminal,

An LED driving circuit 2 for outputting a driving pulse to the light emitting element 1 based on a pulse for driving the LED according to Infrared as a logic signal;

A light receiving element 3 outputting a driving pulse signal output from the pulse light emitting driving circuit 2 and arranged by the banknote M with respect to the light emitting element 1;

A signal processor 4 for processing the received signal output from the light receiving element 3 and the synchronous rectified signal;

A control unit 5 connected to the signal processing unit 4 and controlling a signal indicating glossiness by the light receiving signal and the synchronous rectification signal;

A determination unit 6 for comparing the glossiness and the reference value obtained by the control unit 5 to determine whether the banknote m is normal / defective, and

And a memory 7 for storing a reference value for providing the control unit 5 with information for discriminating the signal inputted through the determination of the determination unit 6 and the characteristic information of the bill of each kind by the kind.

In addition, the counterfeit bill detection method according to a preferred embodiment of the present invention in the counterfeit detection method for detecting a counterfeit bill,

Step (s 12) in which a currency bill M to be positioned on the display is selected,

Instructing the sensor unit 10 to contact the sensor unit 10 while checking the specific portion of the banknote M by the control unit 5 (S 14),

Recognizing that the banknote M is positioned to activate the light emitting device 1, the light receiving device 3 and the signal processing unit 4 (s 16),

The signal reacted from the banknote M is recognized through the light receiving element 3, and processed by the signal processor 4 (s 18),

Comparing the reference value signal information stored in the memory 7 and the output value of the sensor unit 42 with the reference value stored in the memory 7 through the control unit 5 to determine whether they match (s20), and ,

As a result of the determination, if the output value of the sensor unit 40 does not coincide with the reference value stored in the memory 7 and the output value, the counterfeit detection signal is transmitted to the main control unit 20 (s 24).

Therefore, it is possible to determine whether or not the input information matches by using a discriminator built in the portable telephone which is a portable communication terminal.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention in more detail.

1 is a block diagram showing the internal configuration of the counterfeit bill detection system according to an embodiment of the present invention.

1 and 2, with respect to the light projected to the inside of the portable communication terminal equipped with a counterfeit money detection system for detecting counterfeit money by discriminating the authenticity of bills through the drive of the Infrared LED of the present invention. The sensor unit 10 includes an infrared light emitting device 1, a driving circuit 2, a light receiving device 3, and a signal processor 4 for detecting forgery.

In addition, as shown in FIG. 1, reference numeral 2 denotes a pulse driving LED driving circuit and outputs a driving pulse having a predetermined duty cycle to the light emitting device 1 based on a pulse driving the infrastructure LED as a logic signal therein. At the same time, a synchronization rectified signal is output to the signal processing section 4. Here, the banknote M is arranged between the light emitting element 1 and the light receiving element 3, or the banknote M is disposed in the same reflection direction as the light emitting element 1.

The signal processing section 4 performs signal processing by the control section 5 based on the received signal output from the light receiving element 3 and the synchronous rectification signal, so that a signal indicating glossiness can be obtained. The determination unit 6 connected to the signal processing unit 4 also compares the glossiness obtained by the control unit 5 with a reference value to determine whether the banknote m is normal or defective. At this time, the memory 7 provides the control unit 5 with information for discriminating an input signal through signal processing and property information of bills according to different kinds of books. There is a built-in memory to be stored as a reference value (Reference), which is preferably stored separately in the reference value for the bills of various countries to measure.

Accordingly, the counterfeit money detection device according to an embodiment of the present invention can determine the authenticity of the money by making the normal / defect of the corresponding money outstanding.

Hereinafter, with reference to the flowchart shown in Figure 4 will be described in detail the operation of the counterfeit money detection apparatus according to an embodiment of the present invention.

Determination method according to the configuration of the counterfeit bill detection system that can perform counterfeit discrimination against multi-national bills using the Infrared sensor according to an embodiment of the present invention, the user activates the counterfeit discrimination function in the communication terminal menu item through the interface (S10), the controller 5 selects the corresponding currency through the user interface, for example, in Korean Won, Dollar, Yen, Euro, and Yuan. Data for designating a bill type, such as a bill, is provided from the memory 7 so that the user can select a specific winding type. In the present embodiment, when a bill is selected by adopting a banknote which is commonly used among yuan currency, see FIG. 3 (s12), the control unit 5 uses the information stored in the memory 6. Instructs the specific portion of the banknote M to contact the sensor unit 10 (S 14), and recognizes that the banknote M is located and controls the light emitting element 1, the light receiving element 3, and the signal processing unit 4 to be activated. (S 16).

At this time, the signal of the specific part reacted from the banknote M is recognized by the light receiving element 3, is processed by the signal processing unit 4 (s 18), and the signal information stored in the memory 7 through the control unit 5 And the output value of the sensor unit 42 is compared with the reference value stored in the memory 7 to determine whether it matches (s20). As a result of the determination, when the output value of the sensor unit 40 matches the reference value stored in the memory 7 (Yes in s 20), the sensor unit 40 transmits the normal money to the user through the user's display device 110 (s 22). .

However, unlike the case described above, if the output value to be compared with the reference value does not coincide with each other (No), the counterfeit detection signal is transmitted to the main control unit 20 (s 24).

3 and 4 illustrate an infrared image of a renminbi and a portable communication terminal capable of discriminating counterfeit installed with the counterfeit bill detection system shown in FIG. 1.

3 and 4, the provided infrared image is an image obtained by irradiating an infrared signal having a wavelength of 900 nm and using the light receiving sensor 3 of the same wavelength band. Here, the bill has a variety of characteristics, such as magnetic patterns, fluorescent patterns, lipids, etc. according to the characteristics, but the present invention illustrates a counterfeit discrimination method using the Infrared characteristics. When the user activates the menu for counterfeit discrimination function of the communication terminal 100 through a mode setting button for discriminating counterfeit money, the sensor unit 10 embedded in the portable communication terminal 100 is displayed through the display 110. The display 110 is instructed to approach a portion where an image appears on the screen, and the light emitting and light receiving elements 1 and 3 are operated to determine the authenticity of the banknote M as a received signal appearing on the sensor unit 10 and display the display ( 110) to inform the user. Due to these characteristics, the method of analyzing the characteristics of multinational banknotes by using the Infrared sensor which detects the counterfeit money by discriminating the authenticity of the banknotes has high reliability by the ultrasonic characteristics. By comparing and determining whether or not the match, it is possible to accurately determine whether the counterfeit.

According to the counterfeit bill detection system and method that can discriminate against counterfeit money against multinational banknotes using the Infrared sensor than the present invention as described above, by allowing the general public using a portable terminal to easily distinguish the authenticity of the counterfeit, Relieve anxiety about currency and prevent the huge loss of goods due to counterfeit.

On the other hand, the present invention is not limited to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, such modifications and changes should be regarded as belonging to the following claims. will be.

Claims (4)

In the counterfeit bill detection system for detecting counterfeit bills, Light emitting device (1) is provided for detecting forgery by light projected inside the portable communication terminal, An LED driving circuit 2 for outputting a driving pulse to the light emitting element 1 based on a pulse for driving the LED according to Infrared as a logic signal; A light receiving element 3 outputting a driving pulse signal output from the pulse light emitting driving circuit 2 and arranged by the banknote M with respect to the light emitting element 1; A signal processor 4 for processing the received signal output from the light receiving element 3 and the synchronous rectified signal; A control unit 5 connected to the signal processing unit 4 and controlling a signal indicating glossiness by the light receiving signal and the synchronous rectification signal; A determination unit 6 for comparing the glossiness and the reference value obtained by the control unit 5 to determine whether the banknote m is normal / defective, and A forgery characterized in that it comprises a memory (7) for storing a reference value for providing the control unit (5) with information for discriminating the input signal after the determination by the determination unit (6) and the property information of the bill of each kind by country. Banknote Detection System. The method according to claim 1, The memory (7) is a counterfeit bill detection system, characterized in that for storing the reference values for the bills of various countries to measure. In the counterfeit detection method for detecting counterfeit money, Step (s 12) in which a currency bill M to be positioned on the display is selected, Instructing the sensor unit 10 to contact the sensor unit 10 while checking the specific portion of the banknote M by the control unit 5 (S 14), Recognizing that the banknote M is positioned to activate the light emitting device 1, the light receiving device 3 and the signal processing unit 4 (s 16), The signal reacted from the banknote M is recognized through the light receiving element 3, and processed by the signal processor 4 (s 18), Comparing the reference value signal information stored in the memory 7 through the control unit 5 (s 20), Comparing the output value of the sensor unit 42 with a reference value stored in the memory 7 and determining whether or not it matches (s 22), and As a result of the determination, if the output value of the sensor unit 40 does not coincide with the reference value stored in the memory 7 and the output value, the counterfeit detection signal is transmitted to the main control unit 20 (s 24). Counterfeit bill detection method. The method according to claim 3, As a result of the determination in the determination step s 20, when the output value of the sensor unit 40 matches the reference value stored in the memory 7 (Yes in s 22), it is transmitted to the user through the user's display device 110. Counterfeit bill detection method characterized in that.

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