JPH0831160B2 - Sensor adjustment data setting device in bill discriminating device - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

The present invention relates to a banknote discriminating apparatus mounted on a banknote processing machine, and more particularly to a sensor adjustment data setting device in a banknote discriminating apparatus suitable for adjusting the characteristics of a banknote detection sensor corresponding to a banknote of each country.

[Prior art]

Conventionally, a banknote processing machine that enables processing such as denomination discrimination of banknotes, counting of banknotes, and sorting of banknotes based on the denomination discrimination result is used in financial institutions, but among the banknote processing machines of this type There is a banknote processing machine capable of processing banknotes distributed in a plurality of countries, such as the technology described in JP-A-58-109990 (banknote discriminating apparatus). The bill discriminating apparatus stores a plurality of discrimination standard pattern data corresponding to bills of each country in the storage unit in advance, and when a country corresponding to the bill to be discriminated is designated, the bill is stored in the designated country from the storage unit. The corresponding discrimination reference pattern data is called, and other processing such as bill discrimination and counting / sorting is performed based on the discrimination reference pattern data and the detection pattern by the bill detection sensor.

[Problems to be Solved by the Invention]

By the way, the above-mentioned conventional technique has the following problems. When detecting banknotes between countries with a transmission sensor, a magnetic sensor, etc., the transmission pattern, the magnetic pattern, etc. are different from each other. Therefore, it is not necessary to switch only the reference pattern while keeping the sensor characteristics constant. There is no guarantee that the bills will be discriminated in the optimal state, and there was a problem in the discrimination reliability. The present invention solves the above-mentioned problems, and when a country corresponding to a bill to be discriminated is designated, the discrimination reference pattern data corresponding to the bill to be discriminated to be billed in the designated country is read out, and the sensor characteristic of the designated country is adjusted. It is an object of the present invention to provide a sensor adjustment data setting device in a bill discriminating device which has also read out the use data and adjusted the characteristic of each bill detecting sensor in preparation for the discrimination processing based on the sensor characteristic adjusting data.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention discriminates a denomination of a bill based on a bill discrimination pattern detected from a bill and a preset discrimination reference pattern, and counts based on the discrimination result.
In a bill discriminating device configured to perform sorting processing, etc., a sensor unit that detects a bill discrimination pattern of a discrimination target bill, a country designation means for designating a country corresponding to the discrimination target bill, and a bill for each country are discriminated. Country-specific data storage that stores discrimination reference pattern data for use as a reference when performing, and sensor characteristic adjustment data for adjusting the characteristics of the sensor unit when detecting the banknote identification pattern of a banknote for each country Section and the country corresponding to the bill to be discriminated from the country designating means, the sensor adjustment unit that adjusts the characteristics of the sensor unit based on the sensor characteristic adjustment data read from the country-specific data storage unit. When the country corresponding to the bill to be classified is designated by the country designation means, the bill recognition of the bill of the designated country by the sensor unit whose characteristics are adjusted by the sensor adjustment unit. Discrimination for comparing the detection data accompanying the pattern detection with the discrimination reference pattern data of the bill of the designated country read from the country-specific data storage unit, and discriminating the denomination of the bill corresponding to the designated country based on the comparison result. And a section.

[Action]

According to the present invention, when the country corresponding to the bill to be classified is designated by the country designating means, the sensor adjustment unit reads the sensor characteristic adjustment data from the country data storage unit and adjusts the characteristic of the sensor unit. Thereby, the discrimination unit compares the detection data of the designated country bill detected by the sensor unit whose characteristics are adjusted with the discrimination reference pattern data of the designated country bill read from the country-specific data storage unit, Identify the denomination.

【Example】

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a sensor adjustment data setting device in a bill discriminating device mounted on a bill processing machine according to the present embodiment. The device is a country designation means arranged in an operating portion of the bill processing machine. 1, a control unit 2 arranged inside the banknote processing machine, a country-specific data storage unit 3, a reference pattern storage unit 4,
The sensor adjustment unit 5, the transmission sensor unit 6, the magnetic sensor unit 7, the double detection sensor unit 8, the detection unit 9, the discrimination unit 10, and the counting / sorting mechanism 11 are roughly configured. The country designating means 1 is for designating a country (banknote circulation country) corresponding to a bill to be discriminated, and outputs a country signal when a predetermined country is designated. The control unit 2 controls the entire bill processing machine, and a country signal is input from the country designation unit 1 and an adjustment completion signal is input from the sensor adjustment unit 5. When the country signal is input in accordance with the designation, the country signal corresponding to the designated country is output to the country data storage unit 3 and the counting / sorting mechanism 11. The country-specific data storage unit 3 stores classification standard pattern data used as a standard for banknote discrimination for each country and sensor characteristic adjustment data corresponding to banknotes for each country, and a country signal is input from the control unit 1. Then, the discrimination reference pattern data corresponding to the national signal is output to the reference pattern storage unit 4 and the sensor characteristic adjustment data is output to the sensor adjustment unit 5. When the discrimination reference pattern data is input from the country-specific data storage unit 3, the reference pattern storage unit 4 stores the discrimination reference pattern data and outputs the discrimination reference pattern data to the discrimination unit 10. ing. When the sensor characteristic adjustment data is input from the country-specific data storage unit 3, the sensor adjustment unit 5 transmits the sensor characteristic adjustment data based on the transmission characteristic unit 6, the magnetic sensor unit 7, and the double detection sensor unit. Each sensor characteristic of No. 8 is adjusted, and when the adjustment of each sensor characteristic is completed, an adjustment completion signal is output to the control unit 2. The transmission sensor unit 6 detects the pattern of the amount of transmitted light for a banknote and outputs a pattern signal corresponding to the detected transmission pattern to the detection unit 9. In this case, the sensor adjusting unit 5 adjusts the offset of the transmission sensor unit 6 (the level adjustment of the initial light receiving amount, that is, the level adjustment of the light receiving amount when there is no banknote between the transmission sensors) based on the sensor characteristic adjustment data. The gain (amplification level) is adjusted. When the offset adjustment is performed, the light projection amount is adjusted so that the light reception amount of the transmission sensor unit 6 reaches the level of the sensor characteristic adjustment data. The magnetic sensor unit 7 detects a magnetic strength pattern (a pattern corresponding to a temporal change in which a value higher than a preset reference value is “strong” and a value below the reference value is “weak”). A pattern signal corresponding to the detected magnetic intensity pattern is output to the detection unit 9. In this case, the sensor adjustment unit 5 adjusts the gain (amplification level) and the comparison level (reference value) of the magnetic sensor unit 7 based on the sensor characteristic adjustment data. The double detection sensor unit 8 detects double (two-ply stacked) bills and also outputs a detection signal to the detection unit 9 when double bills are detected. There is. In this case, the sensor adjustment unit 5 adjusts the comparison level (reference value) of the double detection sensor unit 8 based on the sensor characteristic adjustment data. When the detection unit 9 receives signals from the transmission sensor unit 6, the magnetic sensor unit 7, and the double detection sensor unit 8, the detection unit 9 outputs these signals to the discrimination unit 10. When the discrimination section 10 receives signals from the reference pattern storage section 4 and the detection section 9, the discrimination section 10 compares these signals to discriminate the denomination of the banknote and counts denomination signals corresponding to the discrimination result. -It is designed to output to the distribution mechanism 11. The counting / sorting mechanism 11 includes the control unit 2 and the discrimination unit 10.
When a signal is input from, the number of bills for which the discrimination processing has been completed is counted, and the bill sorting processing is performed based on the discrimination result. In this case, the banknote distribution method can be any method such as distribution of only genuine paper and reject paper, or distribution of denominations. Next, the discrimination operation of the present embodiment having the above configuration will be described. Step SP1: The control unit 2 determines whether or not the country designation means 1 provided in the operation unit of the banknote handling machine has designated, by the operator, country data corresponding to the banknote to be the current discrimination processing target. If it is determined that the country data has been designated, the processing from step SP2 is executed, while if it is determined that the country data is not designated, the processing from step SP10 is executed. Step SP2: The control unit 2 outputs the country signal to the country data storage unit 3 in accordance with the country data designation by the country designation means 1, and the country data storage unit 3 uses the discrimination reference pattern data corresponding to the country signal as a reference. It is stored in the pattern storage unit 4. Further, the country-specific data storage unit 3 outputs sensor characteristic adjustment data corresponding to the country signal to the sensor adjustment unit 5. Step SP3: As a result, the sensor adjusting unit 5 determines the offset / gain of the transmission sensor unit 6, the gain / comparing level of the magnetic sensor unit 7 based on the sensor characteristic adjustment data corresponding to the designated country by the country designating unit 1. The heavy detection sensor section 8 is adjusted for each comparator level. Step SP4: Next, the operator inserts a bill to be discriminated from a bill insertion slot (not shown) provided in the bill processing machine. Step SP5: After the bill is inserted, the process proceeds to step SP6 on the condition that the start button (not shown) provided in the bill processing machine is operated by the operator to instruct the bill discrimination. Step SP6: The bill inserted into the bill insertion slot is fed to a conveyance path (not shown) in which the transmission sensor unit 6, the magnetic sensor unit 7, and the double detection sensor unit 8 are arranged. Step SP7: The transmission sensor unit 6, the magnetic sensor unit 7, and the double detection sensor unit 8 detect the banknotes that are fed and conveyed to the conveyance path. That is, the transmission sensor unit 6 detects the pattern of the amount of transmitted light in the bill. Further, the magnetic sensor unit 7 detects the magnetic strength pattern of the bill. Further, the double detection sensor unit 8 detects double feeding of bills. Then, the transmission sensor unit 6, the magnetic sensor unit 7,
When the detection signal is output from the double detection sensor unit 8 to the detection unit 9, the detection unit 9 outputs the detection signal to the discrimination unit 10. The discrimination unit 10 compares the reference pattern data signal from the reference pattern storage unit 4 with the detection signal from the detection unit 9 to discriminate the denomination of the banknote, and counts and sorts the denomination signal based on the discrimination result. Output to the minute mechanism 11. Step SP8: As a result, the counting / sorting mechanism 11 counts the bills after the discrimination process and performs the sorting process based on the denomination signal. Step SP9: After this, it is determined whether or not all the bills inserted into the insertion slot have been fed out, and if all the bills have not been fed out, the process returns to step SP6, while all the bills are fed out for discrimination / If the counting / sorting process has been performed, the process returns to step SP1 and waits for the designation of the next country data by the country designation means 1. Step SP10: On the other hand, when it is determined in the above step SP1 that the country data corresponding to the bill to be discriminated this time is not designated, the control unit 2 is based on the country data designated in the previous bill discrimination process. Continue processing. Step SP11: When the control unit 2 outputs the country signal based on the previous country data designation to the country data storage unit 3, the country data storage unit 3 outputs the discrimination reference pattern data corresponding to the country signal to the reference pattern storage unit 4. Remember. Further, the country-specific data storage unit 3 outputs sensor characteristic adjustment data corresponding to the country signal to the sensor adjustment unit 5. Step SP12: As a result, the sensor adjustment unit 5 adjusts each sensor characteristic of the transmission sensor unit 6, the magnetic sensor unit 7, and the double detection sensor unit 8 based on the sensor characteristic adjustment data corresponding to the previously designated country. . After this step
The processing from SP4 to step SP9 is executed. Next, a specific configuration of the sensor adjustment data setting device of the bill discriminating device mounted on the bill processing machine of the present embodiment will be described with reference to FIG. A CPU (central processing unit) 20 that controls each unit is designated via a data bus D with a ROM (Read Only Memory) 21, a RAM 22, an I / O (Input / Output) unit 23, and a country of a bill to be discriminated. Is connected to the operation unit 24. The ROM 21 stores in advance a discrimination program and country-specific data of banknotes of each country such as Japan, the United States, and the United Kingdom. Further, in the RAM22, a discrimination reference pattern area for storing a transparent pattern, a magnetic pattern, and an outer shape pattern of a bill,
An adjustment data area for storing characteristic adjustment data of a transmission sensor and a magnetic head, which will be described later, including a photo diode and a phototransistor, and a country area for storing country data of each banknote are stored. Further, the CPU 20 is provided with an A / D (digital / analog) converter 26, an analog switch 27, and an A / D (analog / digital) converter 2 via a data bus D and an I / O unit 25.
8 and the analog switch 29 are connected. The D / A
A photodiode 30 is connected to the converter 26, and the light emitted from the photodiode 30 with respect to the bills conveyed on the conveying path is received by the phototransistor 31,
A transmission sensor including the photodiode 30 and the phototransistor 31 detects the amount of transmitted light of the bill. The output side (emitter side) of the phototransistor 31 is connected to the + terminal of the comparator 32, while the − terminal of the comparator 32 is grounded. Also,
The output side of analog switch 27 and comparator 32 is A / D
The converter 28 and the + terminal of the comparator 33 are connected to each other, the − terminal of the comparator 33 is connected to the analog switch 29, and the output side of the comparator 33 is connected to the I / O unit 25. Similarly, an analog switch 35, an A / D converter 36, and an analog switch 37 are connected to the CPU 20 via a data bus D and an I / O unit 34. Further, the output side of the magnetic head 38 for detecting the magnetic pattern of the bill conveyed on the conveying path is connected to the + terminal of the comparator 39, and the-terminal of the comparator 39 is grounded. The output side of the analog switch 35 and the comparator 39 is connected to the A / D converter 36.
And connected to the + terminal of the comparator 40.
The negative terminal of the comparator 40 is connected to the analog switch 37, and the output side of the comparator 40 is connected to the I / O unit 34. When performing processing such as bill discrimination, counting, and sorting by the bill discriminating apparatus having the above configuration, the procedure is as follows. First, the country corresponding to the bill to be processed is designated from the operation unit 24. When the bill to be processed is designated, the data of the designated country is stored in the country area of the RAM 22 from the country-specific data stored in the ROM 21 in advance. Next, based on the adjustment data stored in the adjustment data area of the RAM 22, the CPU 20 performs offset adjustment and gain adjustment of the transparent sensor composed of the photodiode 30 and the phototransistor 31, and double feed detection of the bill by the transparent sensor. Before the adjustment, the comparison level is adjusted, and the gain of the magnetic head 38 and the comparison level are adjusted. In this case, the offset adjustment of the transmission sensor is performed by adjusting the light emission amount of the photodiode 30 by the D / A converter 26, and the gain adjustment of the transmission sensor is performed by adjusting the analog switches 27 and 29. Analog switch for rate level adjustment
27 and 29 are adjusted, and the gain and the comparator level of the magnetic head 38 are adjusted by adjusting the analog switches 35 and 37. When the above-mentioned various adjustments are completed (initialization is completed), the bills can be discriminated / counted / sorted. Next, the operator inserts a bill of the specified country into a bill insertion slot (not shown) and then performs a predetermined operation to start the bill processing. The CPU 20 determines the transparent pattern of the designated country bill based on the output signal of the A / D converter 28, and
The magnetic pattern of the designated country bill is determined based on the output signal of the converter 36. In addition, the CPU 20 determines whether or not the designated country bill is double-fed based on the output signal of the comparator 33, and based on the output signal of the comparator 40, the magnetic strength of the designated country bill (if the magnetism is higher than the reference value, “ “Strong”, and “Low” if below the reference value). After that, the CPU 20 performs the bill counting / sorting process and the like based on the determination result.

【The invention's effect】

As described above, according to the present invention, the denomination of the bill is distinguished based on the bill identification pattern detected from the bill and the preset discrimination reference pattern, and counting based on the discrimination result.
In a bill discriminating device configured to perform sorting processing, etc., a sensor unit that detects a bill discrimination pattern of a discrimination target bill, a country designation means for designating a country corresponding to the discrimination target bill, and a bill for each country are discriminated. Country-specific data storage that stores discrimination reference pattern data for use as a reference when performing, and sensor characteristic adjustment data for adjusting the characteristics of the sensor unit when detecting the banknote identification pattern of a banknote for each country Section and the country corresponding to the bill to be discriminated from the country designating means, the sensor adjustment unit that adjusts the characteristics of the sensor unit based on the sensor characteristic adjustment data read from the country-specific data storage unit. When the country corresponding to the bill to be classified is designated by the country designation means, the bill recognition of the bill of the designated country by the sensor unit whose characteristics are adjusted by the sensor adjustment unit. Discrimination for comparing the detection data accompanying the pattern detection with the discrimination reference pattern data of the bill of the designated country read from the country-specific data storage unit, and discriminating the denomination of the bill corresponding to the designated country based on the comparison result. Since it is configured to include the section, the following effects can be obtained. When the country corresponding to the bill to be discriminated is designated, the discrimination reference pattern data corresponding to the bill to be discriminated in the designated country is read out, and the sensor characteristic adjustment data of the designated country is also read out to the sensor characteristic adjustment data. Since the characteristics of the sensor unit are adjusted in preparation for the discrimination processing based on this, the bills in circulation in each country can be accurately discriminated. As described above, it is possible to improve the reliability of the bill processing machine equipped with the bill discriminating device.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a sensor adjustment data setting device of a bill discriminating device mounted on a bill processing machine according to an embodiment of the present invention, FIG. 2 is a flow chart showing a discrimination operation of the present embodiment, and FIG. It is a block diagram which shows the specific structural example of the sensor adjustment data setting device of the banknote discrimination device mounted in the banknote processing machine of a present Example. 1 ... Country designation means, 2 ... Control section, 3 ... Country data storage section, 4 ... Reference pattern storage section, 5 ... Sensor adjustment section, 6 ... Transmission sensor section, 7 ... Magnetic sensor section , 8 ……
Double detection sensor section (6 to 7 are sensor sections), 9 ... Detection section, 10 ... Identification section, 11 ... Counting / sorting mechanism.

Claims (1)

[Claims] 1. A bill discriminating apparatus for discriminating a denomination of a bill based on a bill identification pattern detected from a bill and a preset discrimination reference pattern, and performing counting / sorting processing or the like based on the discrimination result. A sensor unit that detects the banknote identification pattern of the target banknote, a country designating means for designating a country corresponding to the target banknote, and a discrimination standard pattern data that serves as a standard for discriminating the banknote for each country, A country-specific data storage unit that stores sensor characteristic adjustment data for adjusting the characteristics of the sensor unit when detecting the bill identification pattern of bills of each country, and the country designation means corresponds to the bill to be discriminated. When a country is designated, a sensor adjustment unit that adjusts the characteristics of the sensor unit based on the sensor characteristic adjustment data read from the country-specific data storage unit; When the country corresponding to the bill to be classified is designated from the means, the detection data accompanying the bill identification pattern detection of the bill of the designated country by the sensor unit whose characteristics are adjusted by the sensor adjustment unit, and the country-specific data storage A banknote discriminating unit that compares banknote discrimination reference pattern data of a designated country read out from the department, and discriminates the denomination of the banknote corresponding to the designated country based on the comparison result. Sensor adjustment data setting device in the device.