CN102346927B - Paper sheet identifying apparatus - Google Patents

Paper sheet identifying apparatus Download PDF

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Publication number
CN102346927B
CN102346927B CN201110144476.9A CN201110144476A CN102346927B CN 102346927 B CN102346927 B CN 102346927B CN 201110144476 A CN201110144476 A CN 201110144476A CN 102346927 B CN102346927 B CN 102346927B
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China
Prior art keywords
paper goods
bank note
discriminant value
serial number
characteristic quantity
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Expired - Fee Related
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CN201110144476.9A
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Chinese (zh)
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CN102346927A (en
Inventor
吉田吉辉
秋田隆德
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Hitachi Omron Financial System Co Ltd
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Hitachi Omron Financial System Co Ltd
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Publication of CN102346927A publication Critical patent/CN102346927A/en
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20Testing patterns thereon
    • G07D7/202Testing patterns thereon using pattern matching
    • G07D7/2033Matching unique patterns, i.e. patterns that are unique to each individual paper
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F19/00Complete 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
    • G07F19/20Automatic teller machines [ATMs]
    • G07F19/201Accessories of ATMs

Abstract

Provided is a paper sheet identifying apparatus, capable of stopping the reducing of identifying precision and differentiating the paper products having partial differences. ATM (100) comprises a sensor (3) for reading the characteristics of the paper money comprising head letter numbers, a control part (5) for determining the authenticity of the paper money, and a storage part (6) for establishing corresponding storage of the head letter number of paper money and the special discrimination value for discerning the authenticity of the paper money. The control part (5) judges whether the head letter numbers of the paper money are stored in the storage part (6) or not. If the head letter numbers of the paper money are stored in the storage part (6), the special discrimination value is employed for discerning the authenticity of the paper money.

Description

Paper goods discriminating gear
Technical field
The present invention relates to have for differentiating the paper goods discriminating gear of judegment part of the true and false of paper goods.
Background technology
In the past, known a kind of bank note discriminating gear, had the judegment part (for example,, with reference to patent documentation 1) that the sensor of the feature that reads bank note and the characteristic quantity of the bank note based on being read by sensor are differentiated the true and false of bank note.
In such bank note discriminating gear, for example, as the discriminant value of genuine/counterfeit discriminating benchmark, preset maximal value and minimum value, maximal value to the scope of minimum value is set as reference range.And judegment part is in the situation that the characteristic quantity of bank note is contained in reference range, this bank note is differentiated for genuine note, in the situation that the characteristic quantity of bank note is not contained in reference range, this bank note is differentiated for pseudo-coinage.
Above-mentioned reference range is that the deviation, bank note of the position while having considered the reading of the deviation of the output of sensor, bank note set over time etc.Here, in the situation that having expanded reference range, by pseudo-coinage erroneous judgement not for the possibility increase ,Hui Dui financial institution of genuine note etc. brings infringement.On the other hand, in the situation that having dwindled reference range, by genuine note erroneous judgement, not for the possibility of pseudo-coinage increases, the total Return Ratio of genuine note increases, and user's convenience reduces thus.
In addition, usually, in market paper money in circulation exist because of printing with the different situation of a part of its feature of difference in printing period.And the different bank note of a part of feature is put in the situation of bank note discriminating gear, a part of Yin Tezheng is different, and bank note can be judged by accident does not become pseudo-coinage.In this situation, the total Return Ratio of genuine note increases, and user's convenience reduces thus.Therefore,, for making bank note that the part of feature is different also by the differentiation coin that comes true, consider to expand reference range.
Patent documentation 1: TOHKEMY 2007-219817 communique
But, as mentioned above, in the situation that having expanded reference range, do not become the possibility of genuine note to increase pseudo-coinage erroneous judgement, there is the problem of the discrimination precision reduction of bank note.
Summary of the invention
The present invention is for solving above-mentioned problem, and its objective is provides a kind of paper goods discriminating gear, can suppress discrimination precision and reduce, and can suitably carry out the genuine/counterfeit discriminating of the paper goods that the part of feature is different.
Paper goods discriminating gear of the present invention has: reading part, reads the feature of the paper goods that comprise serial number; Judegment part, the feature of the paper goods based on being read by described reading part, the true and false of differentiation paper goods; And storage part, by the serial number of paper goods and for differentiating the distinctive discriminant value of the paper goods true and false, set up storage accordingly, whether the serial number of the paper goods that described judegment part judgement is read by described reading part is stored in described storage part, in the situation that be judged as the serial number of described paper goods, be stored in described storage part, described judegment part is used the distinctive discriminant value corresponding with the serial number of described paper goods, differentiates the true and false of described paper goods.
Like this, by the serial number of the different paper goods of a part for feature with according to these paper goods and distinctive discriminant value is set up and is stored in accordingly in storage part, thus about the different paper goods of a part for feature, can use according to these paper goods and distinctive discriminant value, differentiate the true and false of paper goods.Thus, can suppress that a part because of the feature of paper goods is different Wei pseudo-coinage by the erroneous judgement of paper goods.In addition, by using distinctive discriminant value, not needing to expand the reference range of general discriminant value, is not the situation of genuine note thereby can suppress pseudo-coinage erroneous judgement.Its result, can suppress discrimination precision and reduce, and suitably carries out the genuine/counterfeit discriminating of the paper goods that the part of feature is different.
In above-mentioned paper goods discriminating gear, also can be the general discriminant value that storage portion stores is useful on the true and false of differentiating paper goods, judegment part is in the situation that be judged as the serial number of described paper goods and be not stored in storage part, use general discriminant value, differentiate the true and false of paper goods.
In this situation, can be also that general discriminant value is the discriminant value for the true and false of discrimination standard paper goods, distinctive discriminant value be for differentiating the discriminant value of the true and false of different paper goods comparing feature from normal paper based article.
In above-mentioned paper goods discriminating gear, can be also storage part by the kind of the serial number of paper goods and paper goods, with for differentiating the distinctive discriminant value of the true and false of paper goods, set up storage accordingly.
In above-mentioned paper goods discriminating gear, can be also in the serial number of the paper goods in being stored in storage part, comprise and start serial number and finish serial number.
The effect of invention
According to the present invention, a based article discriminating gear is provided, can suppress discrimination precision and reduce, and suitably carry out the genuine/counterfeit discriminating of the paper goods that the part of feature is different.
Accompanying drawing explanation
Fig. 1 means the block diagram of structure of the ATM of one embodiment of the present invention.
Fig. 2 is the summary internal structural map of the ATM of Fig. 1.
Fig. 3 is the figure for the storage part of the ATM of key diagram 1.
Fig. 4 is the figure for the storage part of the ATM of key diagram 1.
Fig. 5 is the process flow diagram of the action during for the credit transaction of the ATM of key diagram 1.
Fig. 6 processes the process flow diagram of action for the discriminating of the ATM of key diagram 1.
The explanation of Reference numeral
3 sensors (reading part)
5 control parts (judegment part)
6 storage parts
100ATM (paper goods discriminating gear)
Embodiment
Below, with reference to the accompanying drawings of an embodiment of the invention.In addition, in the following embodiments, illustrate that the example that the present invention is applicable to paper goods discriminating gear is ATM (AutomatedTeller Machine: situation ATM (Automatic Teller Machine)).
First, the structure of the ATM100 of one embodiment of the present invention is described with reference to Fig. 1~Fig. 4.
As shown in Figure 1, ATM100 is connected with principal computer 200 by network 150.In addition, in Fig. 1, for simplifying, only show an ATM100, but in fact, a plurality of ATM100 are connected with principal computer 200 by network 150.
ATM100 carries out the settings such as Er You financial institution of concluding the business such as deposit of bank note for user.This ATM100 has touch pad 1, motor 2, sensor 3, Department of Communication Force 4, control part 5 and storage part 6, and they connect by bus 100a.In addition, sensor 3 is examples of " reading part " of the present invention, and control part 5 is examples of " judegment part " of the present invention.
Touch pad 1 has display part and input part, shows transaction content, and accepts the indication from user.Motor 2 drives conveying roller 8 described later (with reference to Fig. 2).Sensor 3 has optical sensor and the Magnetic Sensor that has used visible ray and ultraviolet light, for reading the features such as the view data of bank note and magnetic data.Department of Communication Force 4 is for being communicated by letter and arrange with principal computer 200 by network 150.
Control part 5 comprises CPU, ROM and RAM, for controlling the action of ATM100.For example, control part 5 is in the situation that read the feature of bank note by sensor 3, and the testing result based on sensor 3 is calculated the characteristic quantity of bank note.
Here, the characteristic quantity of bank note is that every 1 bank note is calculated a plurality of values for the Currency Type differentiation of bank note and the value of genuine/counterfeit discriminating.One example of the characteristic quantity of bank note is the concentration value in the regulation region of bank note.In addition, in the characteristic quantity of bank note, also comprise the serial number of printing on bank note.In addition, about the action control of control part 5, below describe in detail.
As shown in Figure 3, storage part 6 is the discriminant value 6a that use according to the genuine/counterfeit discriminating of each characteristic quantity storage bank note of bank note.This discriminant value is for differentiating the general discriminant value of the true and false of the standard bank note that market circulates extensively.General discriminant value for example has maximal value and minimum value, the frequency distribution of the characteristic quantity of calculating during bank note (genuine note) based on read standard by sensor 3 and being preset.In addition, in storage part 6, also store the discriminant value that Currency Type is differentiated use.
In addition, as shown in Figure 4, the standard bank note circulating extensively with market is compared, according to printing with printing period difference, for the distinctive discriminant value that the true and false of the different bank note of a part for feature is differentiated, by database (DB), changed, be also stored in storage part 6.Distinctive discriminant value for example has maximal value and minimum value, and the frequency distribution of the characteristic quantity of calculating during the different bank note (genuine note) of a part based on read feature by sensor 3 is preset.
Particularly, in database 6b, be registered with the information of serial number (start serial number and finish serial number), characteristic quantity and the distinctive discriminant value (minimum value and maximal value) of Currency Type about bank note, bank note.In addition, the Currency Type of bank note and the serial number of bank note are for determining the data of bank note.
In the example of Fig. 4, about Currency Type, be the bank note that " 5000 " and serial number are " AB01234 ", while carrying out genuine/counterfeit discriminating, this bank note is registered in database 6b, thereby when the genuine/counterfeit discriminating carrying out about " characteristic quantity D ", using minimum value be that " 0 " and maximal value are the distinctive discriminant value of " 25 ".
Equally, about Currency Type, be that " 1000 " and serial number are the bank note of " CD87654 "~" CD88000 ", while carrying out genuine/counterfeit discriminating, this bank note is registered in database 6b, thereby while carrying out the genuine/counterfeit discriminating about " characteristic quantity A ", using minimum value be the distinctive discriminant value that " 5 " and maximal value are " 45 ", and while carrying out the genuine/counterfeit discriminating about " characteristic quantity B ", using minimum value is that " 150 " and maximal value are the distinctive discriminant value of " 230 ".
In addition, as shown in Figure 2, in ATM100, be provided with depositing and drawing port 7, conveying roller 8, discriminating portion 9, interim reserve part 10, collecting storage facility 11 and refusal storehouse 12.
Depositing and drawing port 7 be for and user between carry out bank note handing-over arrange.Conveying roller 8 is for carrying bank note to be provided with a plurality of.In discriminating portion 9, be provided with sensor 3 (with reference to Fig. 1).Interim reserve part 10 is when carrying out the handing-over of bank note with user, retains provisionally bank note.
In a plurality of collecting storage facilities 11, take in respectively the bank note of definite Currency Type.In this collecting storage facility 11, take in the bank note (bank note that can recycle) that can go out money.In refusal storehouse 12, take in the bank note that can not recycle of worn coin and pseudo-coinage etc.
As shown in Figure 1, principal computer 200 has Department of Communication Force 201, storage part 202 and control part 203.
Department of Communication Force 201 is for being communicated by letter and arrange with ATM100 by network 150.Transactions history in storage part 202 storage ATM100 etc.Control part 203 comprises CPU, ROM and RAM, for controlling the action of principal computer 200.
Action while below, the credit transaction of ATM100 of one embodiment of the present invention being described with reference to Fig. 1~Fig. 6.In addition, each step of the process flow diagram of Fig. 5 and Fig. 6 is carried out by the control part 5 (with reference to Fig. 1) of ATM100.
First, in ATM100, in the step S1 of Fig. 5, in the various transaction that judgement shows at touch pad 1 (with reference to Fig. 1), whether credit transaction is selected.Be judged as in the non-selected situation of credit transaction, repeatedly carry out step S1.That is, ATM100 standby is until credit transaction is selected.And, when being judged as credit transaction and being selected, enter step S2.
Then, in step S2, within specified time limit, judge whether bank note is put into depositing and drawing port 7 (with reference to Fig. 2).Whether this bank note is put into is the testing result judgement of the sensor based on not shown.Even if be judged as through in the situation that specified time limit, bank note was not put into yet, credit transaction is ended.And, be judged as while having dropped into bank note within specified time limit, enter step S3.In addition,, in the situation that a plurality of bank note is put into depositing and drawing port 7, for all bank note being put into, carry out following step S3~S7.
Then, in step S3, by drive motor 2 (with reference to Fig. 1), conveying roller 8 (with reference to Fig. 2) rotation, the bank note that is put into depositing and drawing port 7 is transported to discriminating portion 9 (with reference to Fig. 2).
Then, in step S4, bank note is carried out and differentiated processing.Particularly, in the step S21 of Fig. 6, by being arranged on the sensor 3 (with reference to Fig. 1) of discriminating portion 9, read the feature of the bank note being transferred.And by control part 5, the testing result based on sensor 3 is calculated the characteristic quantity of bank note.
Then, in step S22, the characteristic quantity of the bank note based on calculating, the Currency Type of differentiation bank note.In addition the discriminant value that, the differentiation of Currency Type is used the Currency Type being stored in storage part 6 (with reference to Fig. 1) to differentiate use carries out.And, in step S23, the characteristic quantity of the bank note based on calculating, the serial number of differentiation bank note.
Then, in step S24, the Currency Type based on bank note and the serial number of bank note, judge whether this bank note is registered in database 6b (with reference to Fig. 4).And, be judged as in the situation that bank note is registered in database 6b, enter step S25.On the other hand, be judged as in the situation that bank note is not registered in database 6b, enter step S26.
In step S25, use and be registered in the distinctive discriminant value in database 6b, carry out the genuine/counterfeit discriminating of bank note.For example, in the situation that Currency Type is the bank note that " 1000 " and serial number are " CD88000 ", about " characteristic quantity A " and " characteristic quantity B ", registered distinctive discriminant value (with reference to Fig. 4).In this situation, about " characteristic quantity A ", the value of the characteristic quantity of calculating in the situation that be registered in the scope of the discriminant value of database 6b (" 5 "~" 45 "), is judged as genuine note for " characteristic quantity A ".Equally, about " characteristic quantity B ", the value of the characteristic quantity of calculating in the situation that be registered in the scope of the discriminant value of database 6b (" 150 "~" 230 "), is judged as genuine note for " characteristic quantity B ".And about " characteristic quantity C ", if be not registered in database 6b, the value of the characteristic quantity of calculating is in the situation that in the scope of the general discriminant value 6a shown in Fig. 3 (" 5 "~" 10 "), be judged as genuine note for " characteristic quantity C ".Then, about other characteristic quantity, similarly judge the true and false.And, synthetically judge these results, differentiate thus the true and false of bank note.
In step S26, use the general discriminant value 6a (with reference to Fig. 3) that is stored in storage part 6, carry out the genuine/counterfeit discriminating of bank note.For example, in the situation that Currency Type is the bank note that " 1000 " and serial number are " CD78000 ", this bank note is not registered in database 6b.In this situation, about " characteristic quantity A ", the value of the characteristic quantity of calculating is in the situation that in the scope of general discriminant value 6a (" 10 "~" 50 "), be judged as genuine note for " characteristic quantity A ".Then, about other the characteristic quantity such as " characteristic quantity B ", judge similarly the true and false.And, synthetically judge these results, differentiate thus the true and false of bank note.
Then, in the step S5 of Fig. 5, judge whether bank note is genuine note.And being judged as bank note is in the situation of genuine note, in step S6, bank note is transported to interim reserve part 10 from discriminating portion 9.On the other hand, be judged as in the situation that bank note is not genuine note, in step S7, bank note be transported to depositing and drawing port 7 from discriminating portion 9.Thus, be judged as the bank note return user who is not genuine note.
Then, in step S8, the amount of money that is transported to the bank note of interim reserve part 10 is presented on touch pad 1.
Then, in step S9, judge whether to have indicated deposit.Particularly, on touch pad 1, show deposit confirmation button, judge whether this deposit confirmation button is pressed.And, be judged as in the situation of having indicated deposit, enter step S10.In addition, a plurality of bank note is retained in the situation of interim reserve part 10, and all bank note for being retained, carries out following step S10~S14.On the other hand, be judged as in the situation of not indication deposit, in step S16, bank note be transported to depositing and drawing port 7 from interim reserve part 10.Thus, bank note is returned user, and credit transaction is ended.
Then, in step S10, by drive motor 2, conveying roller 8 rotations, bank note is transported to discriminating portion 9 from interim reserve part 10.And, in step S11, bank note is differentiated to processing.In addition, the discriminating processing in step S11 is identical with the discriminating processing in step S4, thereby description thereof is omitted.
Then, in step S12, judge whether bank note is genuine note.And being judged as bank note is in the situation of genuine note, in step S13, bank note is transported to collecting storage facility 11 from discriminating portion 9.In addition the collecting storage facility 11 that, bank note is transported to is selected according to the Currency Type of bank note.On the other hand, be judged as in the situation that bank note is not genuine note, in step S14, bank note be transported to refusal storehouse 12 from discriminating portion 9.
Then, in step S15, transaction results sends to principal computer 200 (with reference to Fig. 1) from Department of Communication Force 4 (with reference to Fig. 1) by network 150 (with reference to Fig. 1).
In the present embodiment, as mentioned above, according to printing with the printing difference in period, for distinctive discriminant value that the true and false of the different bank note of a part for feature is differentiated, by database (DB), changed, be stored in storage part 6.And bank note is registered in the situation of database 6b, use and be registered in the distinctive discriminant value in database 6b, carry out the genuine/counterfeit discriminating of this bank note.Thus, can suppress that a part because of the feature of bank note is different does not become pseudo-coinage by bank note erroneous judgement.In addition, by using distinctive discriminant value, do not need to expand the reference range of general discriminant value, thereby can suppress the situation that pseudo-coinage erroneous judgement does not become genuine note.Its result, can suppress discrimination precision and reduce, and can suitably carry out the genuine/counterfeit discriminating of the bank note that the part of feature is different.
In addition, in the present embodiment, the general discriminant value 6a that the true and false that storage part 6 is stored the standard bank note for market is circulated extensively is differentiated, compares with the situation that the discriminant value of all bank note is registered in to database 6b thus, can reduce the capacity of database 6b.
In addition, in the present embodiment, the Currency Type based on bank note and the serial number of bank note are determined bank note, thus the in the situation that of the circulation of a plurality of Currency Types, in the situation of Currency Type difference and the identical fiduciary circulation of serial number, also can easily determine bank note.
In addition, in the present embodiment, in the serial number of the bank note of database 6b, comprise and start serial number and finish serial number.Here, in database 6b, according to printing with printing period difference, registered the distinctive discriminant value for the true and false of the different bank note of a part for feature is differentiated.And, the continuous possibility of the serial number of the bank note that the part of feature is different is high, thereby by take start serial number to the scope that finishes serial number as unit stores distinctive discriminant value, compare with the situation of registering singly serial number, can reduce the capacity of database 6b.
The present invention can also adopt the various embodiments except above-mentioned.For example, in the above-described embodiment, show the example that the present invention is applicable to differentiate the ATM100 of bank note, but be not limited to this, the present invention can also be applicable to differentiate other the paper goods discriminating gear of paper goods such as securities.
In addition, in the above-described embodiment, during credit transaction, show and be suitable for the effective example of genuine/counterfeit discriminating of the present invention, but be not limited to this, when withdraw the money transaction and bank note supplement, also can implement to be suitable for genuine/counterfeit discriminating of the present invention.
In addition, in the above-described embodiment, show in the step S5 of Fig. 5, be judged as in the situation that is not genuine note, bank note is transported to the example of depositing and drawing port 7 (step S7), but is not limited to this, in step S5, be judged as in the situation that is not genuine note, also bank note can be transported to refusal storehouse 12 collection coin back and forth.In addition, in step S12, show and be judged as in the situation that is not genuine note, bank note is transported to the example in refusal storehouse 12 (step S14), but be not limited to this, in step S12, be judged as in the situation that is not genuine note, also bank note can be transported to depositing and drawing port 7, thus bank note be returned to user.
In addition, in the above-described embodiment, show maximal value and minimum value, but be not limited to this as discriminant value, discriminant value can be a threshold value, can be also three above threshold values.Also for example can be, the value of the characteristic quantity of calculating between the 1st threshold value and the 2nd threshold value in the situation that, be judged as genuine note, and the value of the characteristic quantity of calculating between the 3rd threshold value and the 4th threshold value in the situation that, is judged as pseudo-coinage.
In addition, in the above-described embodiment, can be also that the data that are registered in database 6b are sent out from principal computer 200 by network 150, database 6b is updated thus.In addition, can be also ATM100 based on transactions history, new database 6b more.
In addition, in the above-described embodiment, show the example of the general discriminant value 6a that storage part 6 storage differentiates for the true and false of standard bank note that market is circulated extensively, but be not limited to this, also can be that storage part 6 is not stored general discriminant value 6a, and the discriminant value of all bank note is registered in to database 6b.
In addition, in the above-described embodiment, show Currency Type based on bank note and the serial number of bank note and determine the example of bank note, but be not limited to this, Currency Type and the serial number of bank note and other characteristic quantity that also can be based on bank note, determine bank note.
In addition, in the above-described embodiment, differentiate after the serial number of bank note, testing result based on sensor 3 judges that this is judged to the correctness of other serial number, correctness, than in the low situation of the threshold value of regulation, also can be used general discriminant value, differentiates the true and false of bank note.That is, can not correctly differentiate in the situation of serial number of bank note, also can use general discriminant value to differentiate the true and false of bank note.

Claims (3)

1. a paper goods discriminating gear, is characterized in that, has:
Reading part, reads the feature of the paper goods that comprise serial number;
Judegment part, the feature of the paper goods based on being read by described reading part, the true and false of differentiation paper goods; And
Storage part, according to each characteristic quantity of a plurality of different characteristic quantity of paper goods, storage is for differentiating the general discriminant value of the true and false of paper goods for each characteristic quantity, and by the specific characteristic quantity among the above-mentioned characteristic quantity of the serial number of paper goods, paper goods, with for differentiate the distinctive discriminant value of the paper goods true and false for this specific characteristic quantity, set up storage accordingly
Described general discriminant value is the discriminant value for the true and false of the paper goods of discrimination standard,
Described distinctive discriminant value is for differentiating the discriminant value of the true and false of comparing the paper goods that the part of feature is different from the paper goods of described standard,
Whether the serial number of the paper goods that described judegment part judgement is read by described reading part is stored in described storage part,
In the situation that be judged as the serial number of described paper goods, be stored in described storage part, described judegment part is used the distinctive discriminant value corresponding with the serial number of described paper goods, for the described specific characteristic quantity corresponding with this discriminant value, differentiate the true and false of described paper goods, and for the characteristic quantity beyond this specific characteristic quantity, use described general discriminant value to differentiate the true and false of paper goods
In the situation that be judged as the serial number of described paper goods, be not stored in described storage part, use described general discriminant value, for each characteristic quantity, differentiate the true and false of paper goods,
Described distinctive discriminant value is by sending and upgraded via network from epigyny device, or upgrades according to transactions history.
2. paper goods discriminating gear as claimed in claim 1, is characterized in that,
Described storage part by the kind of the serial number of paper goods and paper goods, with for differentiating the distinctive discriminant value of the paper goods true and false, set up storage accordingly.
3. paper goods discriminating gear as claimed in claim 1 or 2, is characterized in that,
Store in the serial number of paper goods of described storage part, comprise and start serial number and finish serial number.
CN201110144476.9A 2010-06-07 2011-05-31 Paper sheet identifying apparatus Expired - Fee Related CN102346927B (en)

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JP5302933B2 (en) 2013-10-02
CN102346927A (en) 2012-02-08
KR101364222B1 (en) 2014-02-14

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