KR20110068045A - A bill discrimination apparatus of atm and the discrimination method - Google Patents

A bill discrimination apparatus of atm and the discrimination method Download PDF

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Publication number
KR20110068045A
KR20110068045A KR1020090124869A KR20090124869A KR20110068045A KR 20110068045 A KR20110068045 A KR 20110068045A KR 1020090124869 A KR1020090124869 A KR 1020090124869A KR 20090124869 A KR20090124869 A KR 20090124869A KR 20110068045 A KR20110068045 A KR 20110068045A
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South Korea
Prior art keywords
banknote
unit
white
value
shading
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KR1020090124869A
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Korean (ko)
Inventor
이창환
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노틸러스효성 주식회사
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Priority to KR1020090124869A priority Critical patent/KR20110068045A/en
Publication of KR20110068045A publication Critical patent/KR20110068045A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/02—Banking, e.g. interest calculation or account maintenance
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/10—Mechanical details
    • G07D11/14—Inlet or outlet ports
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/50—Sorting or counting valuable papers
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
    • G07F19/20—Automatic teller machines [ATMs]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S902/00—Electronic funds transfer
    • Y10S902/08—Terminal* with means permitting deposit or withdrawal, e.g. ATM

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • Technology Law (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

The present invention relates to a banknote discrimination apparatus and a banknote discrimination method of the automatic teller machine, and more particularly, a white panel is attached to a lower end of the banknote scanning line inside the banknote, so that the light emitting unit is turned off when the light emitting unit is turned off. By performing black shading on the cells, and when the bank is put in the light emitting unit is turned on, the white panel is configured to perform white shading on each cell of the light-receiving transistor array by using the white panel. Financial calculation to accurately discriminate banknotes by calculating correction values of scanned image values of banknotes according to measured black and white shading signal values, and correcting signal values measured in each cell of the light-receiving transistor array according to the correction values The present invention relates to a bill discrimination apparatus and a bill discrimination method of a device.

To this end, the present invention, a banknote deposit and withdrawal unit for depositing or withdrawing banknotes, the image scanning unit which is provided inside the banknote and withdrawal, measuring the scan image value of the inserted banknote, the memory unit storing the scanned image value for each kind of bills And a microprocessor for determining the paper type of the inserted banknote according to the scanned image value of the banknote measured by the image scanning unit, wherein the white panel is attached to one side of the banknote scanning line inside the banknote slot of the banknote entry and exit unit. When bills are inserted, the banknote discrimination apparatus of the automatic teller machine is configured to correct in real time the scanned image value of the bills measured by the image scanning unit by white shading using the white panel. to provide.

Automatic teller machine, White panel, Banknote, Differentiation, White shading, Black shading

Description

A bill discrimination apparatus of ATM and the discrimination method}

The present invention relates to a banknote discrimination apparatus and a banknote discrimination method of the automatic teller machine, and more particularly, a white panel is attached to a lower end of the banknote scanning line inside the banknote, so that the light emitting unit is turned off when the light emitting unit is turned off. By performing black shading on the cells, and when the bank is put in the light emitting unit is turned on, the white panel is configured to perform white shading on each cell of the light-receiving transistor array by using the white panel. Financial calculation to accurately discriminate banknotes by calculating correction values of scanned image values of banknotes according to measured black and white shading signal values, and correcting signal values measured in each cell of the light-receiving transistor array according to the correction values The present invention relates to a bill discrimination apparatus and a bill discrimination method of a device.

In general, ATMs can use cash cards or bankbooks issued by financial institutions to perform deposit and withdrawal transactions such as cash or checks, bank transfers and inquiries without time constraints. It is an unmanned terminal that is widely used in the financial industry because it handles business quickly.

As described above, various types of banknotes are deposited and withdrawn in the automated teller machine, and accordingly, the inside of the automated teller machine is provided with a bill discrimination apparatus for discriminating the types of bills of various bills.

In such a banknote discrimination apparatus, a conventional banknote discrimination apparatus is composed of a light emitting portion composed of a plurality of LED light emitting elements and a light receiving portion composed of a transistor array, and irradiates the banknotes with light emitted from the light emitting portion, and transmits the bill. The light is received by each cell of the transistor array of the light-receiving unit, and the scanning paper value of the banknote measured from each cell of the transistor array is measured and compared with the preset reference value to discriminate the paper type of the banknote.

On the other hand, in general, the LED light emitting device has a characteristic in that the light emission amount decreases when the ambient temperature rises, and the light emission amount increases when the ambient temperature decreases.

For this reason, even when depositing the same banknote in the ATM, the amount of light emitted from the light emitting unit is different when the banknote automatic teller machine receives the same banknote. do.

On the other hand, the banknote discrimination apparatus of the conventional automatic teller machine is set so as to discriminate only the scan image value of each kind of banknote measured through the light receiving unit when the temperature of the automatic teller machine is at room temperature.

Accordingly, in the conventional banknote discrimination apparatus, when discriminating banknotes when the temperature of the automatic teller machine is high or low temperature, the scanned image value of the banknote obtained from the light receiving unit is measured differently from the scanned image value measured at room temperature, and thus is set in advance. There is a problem in that it is difficult to accurately discriminate the kind of paper money deposited because it is impossible to compare with the reference value of the discrimination algorithm.

The present invention is to solve the above problems according to the prior art. That is, an object of the present invention is to attach a white panel to the bottom side of the banknote scanning line inside the banknote, the black shading for each cell of the light-receiving transistor array when the light emitting unit is off, and the banknote is When the light emitting unit is turned on, the white panel is configured to perform white shading of each cell of the light receiving unit transistor array by using the white panel, thereby scanning scanned images of bills according to measured black and white shading signal values. It is possible to accurately discriminate banknotes by calculating a correction value of the value and correcting a signal value measured in each cell of the light-receiving unit transistor array according to the correction value.

The present invention as a technical concept for achieving the above object is provided with a banknote deposit and withdrawal section, the image scanning section for measuring the scanned image value of the inserted banknotes, the bills of the banknotes A memory unit storing a type of scanned image value and a microprocessor for determining the kind of paper money inserted according to the scanned image value of the paper money measured by the image scanning part; The lower side has a white panel attached, characterized in that configured to correct the scanned image value of the bill measured in the image scanning unit in real time through the white shading (White shading) using the white panel when the bill is inserted Provides a banknote discrimination device of the automatic teller machine.

Banknote discrimination apparatus and banknote discrimination method of the automatic teller machine according to the present invention by attaching a white panel on the bottom side of the banknote scanning line inside the banknote, scanning the banknotes according to the black shading and white shading signal values measured in the image scanning unit By calculating the image value correction value and correcting the scanned image value of the banknote measured by the image scanning unit according to the calculated correction value, it is possible to accurately and accurately correct the paper type of the banknote input regardless of the amount of light emitted from the light emitting unit depending on the change of ambient temperature. There is a discriminating effect.

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

1 is a view showing a banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

As shown in Figure 1, the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention is a white panel 120 on the lower side of the banknote scanning line 160 formed inside the banknote opening of the banknote entry and withdrawal unit 110 ) Is attached.

When the bill 200 is sensed by a sensor (not shown) in the bill slot, the bill discriminator performs black shading while receiving the bill signal and turning off the light emitting part of the image scanning unit, thereby performing each of the transistor array arrays of the light receiver. The signal value of the black shading measured from the cell is measured.

When the signal value of the black shading is measured, the image scanning unit of the banknote discrimination unit turns on the light emitting unit to the on state, irradiates light to the banknotes to be inserted, and receives the transmitted light passing through the banknotes through the light receiving unit, and then scans the image value of the banknotes inserted. Measure

In this case, the white light receiving unit may perform white shading by using a white panel provided at one side of the lower end of the banknote scan line, and the reflected light reflected from the white panel is received by the transistor cell of the light receiving unit to measure a signal value of the white shading.

Thereafter, the bill discrimination apparatus compares the signal values of the black shading and the white shading measured through the above-described process with a preset comparison reference value to measure an error value, and calculates a correction value of the scanned image value of the bill according to the measured error value. By correcting the scanned image value of the banknote measured by the image scanning unit according to the calculated correction value, it is possible to accurately discriminate the paper type of the banknote input in real time irrespective of the amount of light emitted from the light emitting unit depending on the change in the ambient temperature.

Detailed description of the configuration of the banknote discrimination apparatus as described above will be described in detail with reference to FIG.

Figure 2 is a block diagram showing the configuration of the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

As shown in FIG. 2, the banknote discrimination apparatus 100 of the automatic teller machine according to an embodiment of the present invention includes a banknote deposit and withdrawal unit 110, a white panel 120, an image scanning unit 130, and a memory unit ( 140 and microprocessor 150.

Banknote entry and withdrawal unit 110 is formed in the inlet on one side to deposit or withdraw the banknote along the banknote transfer path.

The white panel 120 has a white plate shape and is attached to one side of a bill scanning line inside the bill insertion slot of the bill entry / exit unit 110.

The image scanning unit 130 is positioned above and below the banknote transfer path of the banknote deposit and withdrawal unit 110, and scans the banknote and white panel 120 which are input through the banknote deposit and withdrawal unit 110 to scan the image value of the banknote. The image scanning unit 130 includes a light emitting unit and a light receiving unit.

The light emitting unit irradiates light generated by a plurality of LED light emitting elements to the banknote and the white panel, and the light receiving unit consists of a transistor array consisting of a plurality of light receiving element cells. The reflected light that is irradiated and reflected from the white panel is received by the plurality of light receiving element cells.

Accordingly, the light receiving unit may acquire the scanned image value of the inserted banknote through the signal value measured in each light receiving element cell that receives the transmitted light passing through the banknote.

At this time, when the light receiving unit detects the input of the banknote through the banknote opening of the banknote 200, the signal value measured in each cell of the transistor array in the light emitting unit is turned off before the banknote passes through the banknote transfer path. Perform black shading to detect the minimum brightness.

In addition, after the black shading as described above is completed, when the banknote passes through the banknote transfer path of the banknote 110, the light emitting unit is turned on to input the reflected light reflected from the white panel through the corresponding light receiving element cell. By performing the white shading to detect the maximum brightness, the correction value for the scanned image value of the bill according to each signal value detected through the black shading and the white shading is calculated.

The memory unit 140 may compare the black shading and white shading signal values measured by the light receiving unit of the image scanning unit 130 with the signal values of the black shading unit and the white shading unit of the light receiving unit measured when the temperature of the ATM is at room temperature. Stored as a comparison reference value for comparison, the scanned image value of the bill type measured by the paper type of the bill measured in the light receiving unit when the temperature of the automatic teller machine at room temperature, the scanned image value of the inserted banknote measured through the light receiving unit of the image scanning unit 130 As a discrimination reference value for discriminating the kind of paper money of the banknote compared with

The microprocessor 150 compares the black shading signal value immediately before the banknote input and the white shading signal value during banknote insertion with the comparison reference value stored in the memory unit 140 measured by the light receiving unit of the image scanning unit 130. Measure a value, calculate a correction value of the scanned image value of the inserted banknote according to the measured error value, correct the scanned image value of the banknote according to the calculated correction value, and determine that the scanned image value of the corrected banknote is stored in the memory unit The paper type of a banknote is discriminated by comparing with a reference value.

At this time, the scan image value correction value of the bill according to the comparison error value of each signal value and the reference value of the black shading and white shading of the light receiving unit is calculated, and a detailed description of the process of correcting the scan image value of the bill is described later. It will be described in detail in 3.

3 is a view illustrating a process of correcting a scanned image value of a banknote by performing black shading and white shading of the light receiving unit in the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

First, as shown in Figure 3 (a), when the temperature of the automatic teller machine at room temperature, when performing the black shading in the light receiving unit, the signal value of the black shading, such as the waveform BS1 is derived, and then, by inserting banknotes Therefore, when light is generated in the light emitting unit and white shading is performed in the light receiving unit, a signal value of white shading such as waveform WS1 is derived, and at the same time, a scanned image value of a banknote measured in the light receiving unit is detected.

On the other hand, as described above, the light emitting amount of the LED light emitting element constituting the light emitting portion of the image scanning unit is increased or decreased in accordance with the change in the ambient temperature.

Accordingly, if the temperature of the automated teller machine is low, the white shading signal value obtained through the light receiving unit increases due to the amount of light emitted from the LED device, and is measured as shown in the waveform WS2 shown in FIG. The scanned image value of the banknote to be detected is detected as shown by the waveform A in FIG.

In addition, when the temperature is high temperature, the amount of emitted light of the LED light emitting element is reduced, so that the white shading signal value obtained through the light receiving unit is shown as waveform WS3 of FIG. 3 (a), and at the same time, the scanned image value of the banknote measured by the light receiving unit is shown in FIG. It is detected as waveform B of 3 (c).

In this case, the black shading signal value of the light receiving unit may be differently measured according to the amount of external light when the light emitting unit is in an off state, and may be detected by the waveform BS2 or the waveform BS3 shown in FIG.

As described above, when the black shading and white shading signal values of the light-receiving unit and the scanned image value of the banknote are detected according to the temperature change of the automatic teller machine, the microprocessor uses an external light quantity when the temperature of the teller machine is low or high temperature. The signal value waveform BS2 or the waveform BS3 of the black shading measured from is compared with the waveform BS1 which is the comparison reference value of the black shading signal value, and the error value is measured.

In addition, the signal value waveform WS2 or waveform WS3 of the white shading measured when the temperature of the automatic teller machine is low or high temperature is compared with the waveform WS1 which is a comparison reference value of the white shading signal value and the error value is measured.

Subsequently, a correction value of the scanned image value according to the measured signal error values of the black shading and the white shading is calculated, and the scanned image value waveform A of the banknote measured at the light receiving unit as shown in FIG. 3 (b) or 3 (c) or By determining the signal level of waveform B by raising or lowering the calculated correction value by waveform A 'or waveform B' of the scanned image value of the banknote measured at room temperature, the determination reference value and waveform of the pre-set bill type scanned image of the banknote Make comparisons possible.

Figure 4 is a flow chart showing a banknote discrimination method of the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

As shown in Figure 4, in the banknote discrimination method of the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention, when the input of the banknote through the banknote input port of the banknote entry and exit unit is detected, the inserted banknote passes through the banknote transfer path In operation S100, the signal value of the black shading is measured by performing black shading on each cell of the transistor array of the light receiver in the OFF state.

Subsequently, when the banknote is inserted into the banknote transfer path through the banknote input and output unit (S110), the light emitting unit generates light, scans the white panel provided at one side of the lower end of the scan line of the inserted banknote through the light receiving unit, and the transistor array of the light receiving unit By detecting the reflected light reflected from the white panel through the cell of (S120) to measure the signal value of the white shading, and at the same time to detect the transmitted light transmitted from the bill to measure the scanned image value of the inserted banknote (S120).

As described above, when the signal values of the black shading and the white shading of the light receiving unit are measured and the scanned image values of the inserted banknotes are measured (S100 and S120), the measured signal values and the memory of the black shading and white shading are measured through a microprocessor. The comparison reference values of the black shading and the white shading stored in advance are compared (S130) to measure a comparison error value (S140), and a correction value of the scanned image value of the bill according to the measured error value is calculated (S150).

When the correction value is calculated (S150), the scanned image value of the banknote measured through the light receiving unit of the image scanning unit is increased or lowered according to the correction value to correct the signal level of the banknote scan image value measured at room temperature (S160).

Thereafter, the scanned image value of the corrected banknote is compared with the discrimination reference value of the scanned image value for each kind of banknote set in advance in the memory unit through the microprocessor (S170) to discriminate the bill kind of the banknote (S180).

As described above, in the present invention, a white panel is provided at a lower side of the banknote scanning line of the banknote input port, and when the banknote is input to the automatic teller machine, it is configured to perform black shading and white shading on the scan value in real time. Therefore, even if the emission amount of the light emitting part is changed according to the temperature change of the automatic teller machine, the signal values of the black shading and the white shading measured in real time are compared with the previously stored comparison reference values, and the error value is measured. By calculating the scanned image value correction value of the banknote, the scanned image value of the measured banknote is corrected according to the calculated correction value to enable comparison with the discrimination reference value of the banknote scan image value.

Accordingly, the bill discrimination apparatus according to the present invention corrects all bills scanned image values measured by the image scanning unit by the corresponding correction values by performing black shading and white shading, regardless of the temperature change of the automatic teller machine. Compared with the reference value of the scanned image, it is possible to accurately discriminate the paper type of the paper money each time the paper money is put, as well as to increase the paper sorting efficiency of the paper money.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be clear to those who have knowledge of God.

1 is a view showing a banknote discrimination apparatus of an automatic teller machine according to an embodiment of the present invention.

Figure 2 is a block diagram showing the configuration of the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

3 is a view for explaining a process of correcting a scanned image value of a banknote by performing black shading and white shading of the light receiving unit in the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

Figure 4 is a flow chart showing a banknote discrimination method of the banknote discrimination apparatus of the automatic teller machine according to an embodiment of the present invention.

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

100: banknote discrimination device 110: banknotes deposit and withdrawal

120: white panel 130: image scanning unit

140: memory 150: microprocessor

160: scan line 200: bills

Claims (6)

A banknote withdrawal unit in which banknotes are deposited or withdrawn; An image scanning unit provided inside the paper money input / output unit for measuring a scanned image value of the inserted paper money; A memory unit for storing scanned image values of each kind of bills; And And a microprocessor for determining the paper type of the inserted banknote according to the scanned image value of the banknote measured by the image scanning unit. A white panel is attached to one side of the banknote scanning line inside the banknote slot of the banknote entry / exit unit, and when a banknote is inserted, the scanned image value of the banknote measured by the image scanning unit is measured through white shading using the white panel. Banknote discrimination apparatus of the automatic teller machine, characterized in that configured to be corrected in real time. The method of claim 1, The image scanning unit, Light emitting unit for irradiating light to the white panel and the bill consisting of a plurality of LED light emitting element; And A light-receiving unit for receiving the transmitted light that is irradiated onto the banknote and passes through the banknote and the reflected light that is irradiated onto the white panel and reflected from the white panel; Banknote discrimination apparatus of an automatic teller machine, characterized in that consisting of. 3. The method of claim 2, The image scanning unit, When a banknote is inserted through the banknote opening of the banknote, the black is configured to detect a signal value measured from each cell of the light-receiving unit in a state where the light emitting unit is turned off before the banknote passes through the banknote transfer path. Perform black shading, When a bill is inserted into the bill slot, white shading is performed using the reflected light that is irradiated and reflected on the white panel while the light emitting unit is turned on, and the scanned image value of the inserted bill is measured. Is configured to The microprocessor, The banknote discrimination apparatus of the automatic teller machine characterized in that the corrected scan image value of the bill to be measured in real time by using the signal values of the black shading and white shading obtained by the image scanning unit to determine the paper type of the inserted banknote. In the method of determining the paper type of the bill using the automatic teller machine equipped with a white panel on the lower end of the bill scanning line inside the bill slot, Performing black shading through the image scanning unit when the input of the banknote through the banknote input hole of the banknote input / output unit is detected; Performing white shading using the white panel through the image scanning unit when the banknote is deposited through the banknote withdrawal unit, and measuring the scanned image value of the inserted banknote; Calculating an error value by comparing the signal values of the black shading and the white shading with a previously stored reference value; Calculating a correction value of the scanned image value of the bill according to the calculated error value; Correcting the scanned image value of the banknote measured by the image scanning unit according to the calculated correction value; And Comparing the corrected scan image value of the banknote with the preset scan image value of the bill type to discriminate the bill type of the bill; Banknote discrimination method of the automatic teller machine banknote discrimination apparatus characterized in that it comprises a. The method of claim 4, wherein Performing the black shading, The banknote discrimination method of the banknote discrimination apparatus of the automatic teller machine which measures the signal value of the black shading by detecting a signal measured from each cell of the light receiving unit while the light emitting unit of the image scanning unit comprising the light emitting unit and the light receiving unit is turned off. . The method of claim 4, wherein Performing the white shading, When the banknote is deposited in the bill slot, when the light emitting part of the image scanning part including the light emitting part and the light receiving part is turned on, the reflected light reflected from the white panel is received through the light receiving part and the white shading is detected by detecting the measured light receiving signal. Banknote discrimination method of the automatic teller machine banknote discrimination apparatus characterized in that the signal value of measuring in real time.
KR1020090124869A 2009-12-15 2009-12-15 A bill discrimination apparatus of atm and the discrimination method KR20110068045A (en)

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