CN206726336U - Sheet discriminating device and automatic trading apparatus - Google Patents
Sheet discriminating device and automatic trading apparatus Download PDFInfo
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- CN206726336U CN206726336U CN201720350543.5U CN201720350543U CN206726336U CN 206726336 U CN206726336 U CN 206726336U CN 201720350543 U CN201720350543 U CN 201720350543U CN 206726336 U CN206726336 U CN 206726336U
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- discriminating device
- magnetic
- sheet discriminating
- magnetic sensor
- control unit
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- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model provides sheet discriminating device and automatic trading apparatus, it is possible to increase the accuracy of detection of the magnetic information of medium, sheet discriminating device have：Transport path (2), it conveys bank note etc.；Driven roller (4,6) and driven voller (5,7), they are arranged on transport path (2), conveying bank note etc.；And multiple Magnetic Sensors (32), they, which are arranged, is arranged on the direction orthogonal with the conveying direction of bank note etc. (L), obtains the magnetic information of bank note etc..Driven voller (5) with metal bearing (25) is configured in be staggered and the interval between adjacent multiple Magnetic Sensors (32) turns into equally spaced position relative to multiple Magnetic Sensors (32,32) on conveying direction (L).
Description
Technical field
Sheet discriminating device and automatic trading apparatus are the utility model is related to, more particularly to is difficult the magnetic by conveying roller
Change the sheet discriminating device and automatic trading apparatus influenceed.
Background technology
All the time, it is known that this sheet discriminating device and automatic trading apparatus have pumped (conveying) medium transport path,
It is arranged on the transport path and the conveying roller of pumped (conveying) medium and is arranged and is arranged on the side orthogonal with the conveying direction of medium
Upwards and obtain multiple Magnetic Sensors of the magnetic information of medium.
In such a device, the medium such as bank note or security is conveyed on transport path and (is also denoted as bank note etc. or paper below
Page class), when the part by being configured with Magnetic Sensor, by the Magnetic Sensor from the magnetized spot using printings such as magnetic inks
Read magnetic information (for example, referring to patent document 1,2).Also, the species of bank note etc. is identified according to these magnetic informations.
【Patent document 1】：Japanese Unexamined Patent Publication 2013-254525 publications
【Patent document 2】：Japanese Unexamined Patent Publication 2012-146225 publications
However, in conventional sheet discriminating device and automatic trading apparatus, the bearing of the conveying roller of bank note etc. is sent out
It is metal system (comprising stainless steel, iron etc.).Therefore, when bearing is in magnetized state, Magnetic Sensor can detect due to
The bearing rotary and caused magnetic noise.
Especially, demagnetization is carried out to bearing before assembling sheet discriminating device and automatic trading apparatus sometimes
Magnetic force can not be removed completely.In addition, it is also possible to bearing is magnetized again due to external factor, such as in an assembling process or dimension
The driver of touch magnetization or the decorative article of operating personnel are close to bearing etc. during shield.
Utility model content
Therefore, the purpose of this utility model is, there is provided can improve the paper sheet of the accuracy of detection of the magnetic information of medium
Identification device and automatic trading apparatus.
Sheet discriminating device of the present utility model has：Transport path, its pumped (conveying) medium；Conveying roller, it is arranged on defeated
Send on path, pumped (conveying) medium；And multiple Magnetic Sensors, they, which are arranged, is arranged on the direction orthogonal with the conveying direction of medium
On, obtain the magnetic information of medium, conveying roller be configured in stagger in the conveying direction relative to multiple Magnetic Sensors and with it is adjacent
Multiple Magnetic Sensors between interval turn into equally spaced position.
In the sheet discriminating device and automatic trading apparatus of the present utility model so formed, by using away from conveying roller as
Adjacent each Magnetic Sensor that equally spaced mode configures, detects magnetic noise caused by the magnetized spot of conveying roller and (is also denoted as
Magnetize noise) magnetic data as identical patterns.
Therefore, it is possible to distinguish the magnetic information of magnetization noise and medium, can prevent from magnetizing flase drop caused by noise
Survey.
In addition it is also possible to it is a pair of Magnetic Sensors in multiple Magnetic Sensors is located at using the bearing of conveying roller as summit
The base both sides of the isosceles triangle of position.
In addition it is also possible to be, multiple Magnetic Sensors equally spaced arrange.
In addition it is also possible to be, sheet discriminating device also has control unit, and control unit take the difference of each detected value
Computing, each detected value are detected by Magnetic Sensor of the specific bearing away from conveying roller equally spaced positioned at both sides.
Automatic trading apparatus of the present utility model has above-mentioned sheet discriminating device.According to the utility model, can carry
Energy supply enough improves the sheet discriminating device and automatic trading apparatus of the accuracy of detection of the magnetic information of medium.
Brief description of the drawings
Fig. 1 is the sheet discriminating device used in the automatic trading apparatus for be formed in embodiment and eliminates part knot
The top view of the schematical housing of structure.
Fig. 2 is the structure for illustrating transport path in the sheet discriminating device and automatic trading apparatus of embodiment
The sectional view of the position of II-II lines along in Fig. 1.
Fig. 3 is that the structure for representing in the sheet discriminating device and automatic trading apparatus of embodiment control unit is shown
The circuit diagram of meaning property.
Fig. 4 is in the sheet discriminating device and automatic trading apparatus of embodiment, represents the schematic of configuration relation
Top view.
Fig. 5 A~Fig. 5 C are in the sheet discriminating device and automatic trading apparatus of embodiment, represent to be entered by control unit
The curve map of one of capable computing.
Fig. 6 shows the line Magnetic Sensor used in the sheet discriminating device and automatic trading apparatus of variation, is to match somebody with somebody
Put the schematical top view of relation.
Label declaration
1：Housing；2：Transport path；3：Motor；4、6、8、31：Driven roller (one kind of conveying roller)；5、7、9：Driven voller
(one kind of conveying roller)；15：Axle；25：Bearing；30：Magnetic detector；32、32a、32b：Magnetic Sensor；60：Control unit；100、
200：Sheet discriminating device.
Embodiment
1~Fig. 6 of reference picture describes embodiment of the present utility model in detail.In explanation, phase is marked to identical key element
Simultaneously the repetitive description thereof will be omitted for same numbering.
[structure of sheet discriminating device]
Fig. 1 is the sheet discriminating device 100 used in the automatic trading apparatus for be formed in embodiment and eliminates portion
The top view of the schematical housing 1 of separation structure.In addition, Fig. 2 be illustrate transport path 2 structure along II-II lines in Fig. 1
Position sectional view.
First, the structure of entirety is illustrated, the sheet discriminating device 100 is arranged on as automatic trading apparatus
In ATM etc., in the transport path 2 for being internally provided with conveying bank note etc. of housing 1.Be provided with transport path 2 driven roller 4,
6、8.Driven roller 4,6,8 is configured to along conveying direction L by the rotation driving in the conveying direction of motor 3.In addition, in transport path
The driven voller 5,7,9 (reference picture 2) for forming conveying roller in couples with these driven rollers 4,6,8 is provided with 2.
These driven vollers 5,7,9 are configured to have the metal bearing 25,27,29 supported by axle 15,17,19 respectively.
Also, these driven vollers 5,7,9 rotate with the rotation of driven roller 4,6,8 respectively.Thus, it is configured to along defeated
Send the bank note of direction L conveyings between paired each driven roller 4, driven voller 5 etc. etc..
In the sheet discriminating device 100 of present embodiment, each driven voller 5,7,9 is in the width with conveying direction L-orthogonal
Equally spaced respectively it is configured with 4 (reference pictures 1) on degree direction W.
In addition, set between each driven roller 4,6,8 for the transport path 2 being arranged on the sheet discriminating device 100
There are magnetic detector 30, optical detection portion 40 and Thickness sensitivity portion 50.Magnetic detector 30, optical detection portion 40 and Thickness sensitivity
Portion 50 is configured to towards conveying direction according to the such order in magnetic detector 30, optical detection portion 40 and Thickness sensitivity portion 50
Outlet.
Wherein, magnetic detector 30 is provided with the multiple driven rollers 31 driven by motor 3.In the lower section of each driven roller 31, with
Across transport path 2, paired mode is provided with Magnetic Sensor 32 in the vertical direction.
In the sheet discriminating device 100 of present embodiment, a pair of Magnetic Sensors 32 in multiple Magnetic Sensors 32 ...,
Shown in 32 Fig. 4 as be described hereinafter, the bottom for the isosceles triangle of vertex position with the specific bearing 25 of driven voller 5 is configured in
Side both sides.
Also, as shown in figure 1, Magnetic Sensor 32,32 relative to each bearing 25 by 2 be 1 group in a manner of with conveying side
Equally spaced be arranged in a straight line shape on to the width W of L-orthogonal.
In the present embodiment, there are 2 Magnetic Sensors 32,32 respectively for 1 bearing 25, altogether 4 × 2=8 magnetic
Sensor 32 equally spaced arranges.
Also, sufficient distance is set to 1 group of adjacent Magnetic Sensor 32 so that will not be by the magnetic force shadow of bearing 25
Ring.
These Magnetic Sensors 32 are assigned different channel Ch1~Ch8.Also, in control unit 60, it can differentiate defeated
The magnetic signal detected by which Magnetic Sensor 32 is entered.
Upside module 41 and downside module 42 are provided with optical detection portion 40.Upside module 41 and downside module 42 are divided
Ju You optical pickup not carried out to the surface of bank note etc. and obtain the function of view data.
Thickness sensitivity portion 50 includes multiple displacement transducers 51, measuring roll 52 and reference roller 53.
When bank note etc. is by between reference roller 53 and measuring roll 52, displacement transducer 51 detects the upper and lower of measuring roll 52
To displacement.Thickness signal of the displacement transducer 51 using the thickness detected as electricity.
Fig. 3 is the schematical circuit for the structure that control unit 60 is represented in the sheet discriminating device 100 of embodiment
Figure.
Control unit 60 is made up of CPU, and the driving to motor 3 is controlled, and with magnetic detector 30, optical detection
Portion 40, Thickness sensitivity portion 50 and storage part 70 connect.
Magnetic detector 30 has multiple Magnetic Sensors 32, amplification corresponding with each channel Ch1~Ch8 of the Magnetic Sensor 32
The multiple amplifying circuits 34 for the magnetic information that ground detects, multiple A/D change-over circuits 35 corresponding with each amplifying circuit 34 and magnetic
Sensor controller 36.
Magnetic Sensor 32 is the Magnetic testi of the vortex-like fashion for the magnetic information (such as magnetic pattern of magnetic coating) for detecting bank note etc.
Device.
Amplifying circuit 34 amplifies the output voltage of the Magnetic Sensor 32.A/D change-over circuits 35 export amplifying circuit 34
Output signal (analog signal) is converted into data signal (magnetic output signal).
Magnetic Sensor control unit 36 is connected with the control unit 60 of sheet discriminating device 100, is carried out comprising Magnetic Sensor electricity
The control of the magnetic detector 30 of the detection on road 33 etc..Also, Magnetic Sensor control unit 36 is configured to be detected by Magnetic Sensor 32
The magnetic signal gone out is output to control unit 60.
The picture signal of the bank note detected by photo detector 46 etc. is output to control unit 60 by optical detection portion 40.
The thickness signal detected by displacement transducer 51 is output to control unit 60 by Thickness sensitivity portion 50.
Control unit 60 is according to the magnetic signal sent from magnetic detector 30, the picture signal sent from optical detection portion 40
And the Thickness sensitivity signal sent from Thickness sensitivity portion 50, species to bank note etc. and it is true and false differentiate, and carry out
Magnetic detector 30, the control in optical detection portion 40, Thickness sensitivity portion 50 and storage part 70.
Storage part 70 is configured to FROM (Flash Read Only Memory：Flash read only memory) and RAM
(Random Access Memory：Random access memory) etc..In addition, storage part 70 is stored with the discriminating of control unit 60
The a variety of threshold values used.Also, storage part 70 is stored with the various programs carried out by control unit 60.These program bags are transported containing difference
Calculate program.
Calculus of differences program is the program for take the computing of the difference of each detected value, and each detected value is by away from driven voller
Magnetic Sensor 32,32 of 5 bearing 25 equally spaced positioned at both sides detects.
Control unit 60 reads in from storage part 70 and performs calculus of differences program.Control unit 60 is held by calculus of differences program
OK, according to 2 detected values detected by Magnetic Sensor 32,32 of the bearing 25 away from driven voller 5 equally spaced positioned at both sides, sentence
It is fixed whether to detect the magnetic caused by bearing 25 magnetizes caused magnetization noise.
That is, in the case where 2 detected values detected by Magnetic Sensor 32,32 are identical value, after carrying out calculus of differences
Operation result offset, the output valve of differential data is changed into " 0 ".In addition, in 2 inspections detected by Magnetic Sensor 32,32
In the case that measured value is not identical value, carries out the operation result after calculus of differences and do not offset, therefore be changed into defined output valve.
It is from the magnetic by printings such as magnetic inks in the case of output valve as defined in being obtained in the result of calculus of differences
It is larger to change the possibility for the magnetic information that part obtains, can be used in the discriminating of the species and true and false grade of bank note etc..
Control unit 60 species to bank note etc. and true and false differentiates according to the output valve of differential data.Now, due to axle
Hold 25 magnetization and it is caused magnetization noise offseted by the calculus of differences of 2 detected values detected by 2 Magnetic Sensors 32,32
Disappear and be changed into 0.
Therefore, the output valve of differential data only has the magnetic information of bank note etc., therefore, it is possible to immediately to the species of bank note etc. and
It is true and false to be differentiated.
Also, storage part 70 stores being identified by control unit 60 with bank note etc. species and true and false relevant in RAM etc.
Identification result.Thus, thickness signal, the image that control unit 60 will can store in magnetic information and test section or storage part 70
Signal is used for the species of bank note etc. and true and false discriminating together.
Fig. 4 is the schematical top view that configuration relation is represented in the sheet discriminating device 100 of embodiment.
In the present embodiment, 1 bearing 25 is configured relative to 2 Magnetic Sensors 32a, 32b as Magnetic Sensor
Stagger on conveying direction L and interval L1, L2 between adjacent 2 Magnetic Sensors 32a, 32b turn into (L1=at equal intervals
L2 position).
As shown in figure 1, in the present embodiment, with being arranged in a straight line on the direction of the conveying direction L-orthogonal of bank note etc.
Shape, the combination of 1 bearing 25 and a pair of Magnetic Sensors 32a, 32b that are provided with shown in 4 Fig. 4.However, it is not particularly limited to
This, can also set the combination of 1 group or more than 2 groups of multiple bearings 25 and a pair of Magnetic Sensors 32a, 32b.
To 25 magnetized magnetic force of bearing due to close to groups of a pair of Magnetic Sensors 32a, 32b, therefore cause to influence strongly.
However, because magnetic force rapidly weakens with the expansion of distance, therefore, magnetic force does not interfere with the magnetic for other groups being adjacent to
Sensor 32a, 32b.Therefore, by the way that Magnetic Sensor 32 is neatly configured into a row, Neng Gouchong in a manner of separating certain intervals
Dividing ensures the distance between bearing 25 beyond the desired bearing 25 offset.
Fig. 5 is in the sheet discriminating device 100 of embodiment, represents the one of calculus of differences carried out by control unit 60
The curve map of example
There is the feature periodically occurred and caused magnetic noise by the magnetization of a circumferential part for bearing 25.
Also, placed due to Magnetic Sensor 32a, 32b distance between bearing 25 equidistant L1, L2, therefore, as mutually in the same time,
The magnetic data of identical patterns is detected (reference picture 5A, Fig. 5 B).
On the other hand, because the magnetic information of the media such as bank note is biased into any Magnetic Sensor 32a detections, therefore will not be same
When detect identical pattern and will not be periodically detected.In addition, it will not also detect the axle for other groups being adjacent to
Hold 25 magnetization noise.
Therefore, it is possible to reliably be made a distinction to the magnetic information of the magnetization noise of bearing 25 and bank note etc..Therefore, it is possible to anti-
Only error detection caused by magnetic noise, improve the reading accuracy of the magnetic information of medium.
In the sheet discriminating device 100 of present embodiment, control unit 60 is taken by a pair of Magnetic Sensors 32a, 32b
The calculus of differences of the difference of each detected value (reference picture 5A, Fig. 5 B) detected.
As shown in Fig. 5 A, Fig. 5 B, because each Magnetic Sensor 32a, 32b are located at away from L1, L2 (reference picture at equal intervals of driven voller 5
4) position, therefore, the magnetization noise of bearing 25 are the magnetic datas of identical patterns.Therefore, as shown in Figure 5 C, the difference of control unit 60
The result that partite transport is calculated offsets and is changed into the differential data that output valve is 0.
In such manner, it is possible to the magnetization noise of unnecessary bearing 25 is eliminated by calculus of differences, therefore, it is possible to highlight bank note
Magnetized magnetic data in class, improve the accuracy of detection of magnetic information.Therefore, the sheet discriminating device 100 of present embodiment can
Improve and the species of bank note etc. and true and false relevant discriminating precision.
Also, as shown in figure 1, for being located at front and rear bearing 25 and bearing 27 on the conveying direction L of Magnetic Sensor 32,
The magnetization noise of magnetic signal can be removed simultaneously.Therefore, it is possible to suppress the increase of the quantity of Magnetic Sensor 32.
Fig. 6 shows the line Magnetic Sensor 132 used in the sheet discriminating device 200 of the variation of embodiment, is
The schematical top view of configuration relation.
The line Magnetic Sensor 132 used in the sheet discriminating device 200 of this variation is so that multiple Magnetic Sensor phases
Adjacent state equally spaced arranges and connects into a row (~N-1~N+2Ch).These Magnetic Sensors are by the list of same appearance and size
Member is equally spacedly attached.
Therefore, by being matched somebody with somebody on the rotation direction of principal axis of multiple bearings 25 along the length direction of line Magnetic Sensor 132
Put, it is identical distance that easily bearing 25, which can be configured to away from n-th channel and (N+1) individual channel,.
Other structures and action effect are identical with the Magnetic Sensor 32 of embodiment or equivalent, therefore omit the description.
Hereinbefore, detailed narration has been carried out to the input unit of present embodiment, but the utility model is not limited to this
A little embodiments, can suitably it be changed in the range of purport of the present utility model is not departed from certainly.
For example, in the present embodiment, it is configured to the metal bearing that detection is arranged on the driven voller 5 for forming conveying roller
25 magnetic noise.However, this is not particularly limited to, for example, it is also possible to be detection and the bearing of the paired driven roller 4 of driven voller 5
Magnetic noise or on conveying direction L across magnetic detector 30 in the driven voller 7 being adjacent to 5 opposite side of driven voller
The magnetic noise of bearing 27 or the bearing of driven roller 6.That is, as long as configuration is tested with being used as in adjacent multiple Magnetic Sensors 32,32
The interval surveyed between the magnetized spot of the conveying roller of thing turns into the position of L1, L2 at equal intervals.
In addition, the situation of the magnetic noise to detecting 1 bearing 25 by one group of Magnetic Sensor 32,32 is illustrated, but
Can, even if detecting the magnetic noise of multiple bearings, be distinguished also according to difference of rotatable phase etc., one group of Magnetic Sensor
32nd, 32 multiple magnetized detections and counteracting are carried out simultaneously.
Also, multiple Magnetic Sensors 32 of embodiment equally spaced arrange as shown in Figure 1, but are not particularly limited to this,
For example, it is also possible to it is the distance between paired Magnetic Sensor 32a, 32b and adjacent pairs of Magnetic Sensor 32a, 32b points
From or it is close.
If that is, as shown in figure 4, configuration relative to 2 Magnetic Sensors 32a, 32b as Magnetic Sensor in conveying side
Stagger on to L and interval L1, L2 between adjacent 2 Magnetic Sensors 32a, 32b turn into the position of (L1=L2) at equal intervals,
Then the paired mutual configuration relation of Magnetic Sensor 32a, 32b is not particularly limited.
Also, it is that the situation of metal system (comprising stainless steel, iron etc.) is illustrated to bearing 25, but is not particularly limited to
This, for example, it is also possible to be other metals such as the alloy of cobalt, nickel, cobalt and nickel, ferrite and their synthetic, as long as by can
Formed as the material of magnetic, not the material of limited bearing 25, quantity and shape.
In addition, in embodiments, Magnetic Sensor control unit 36 is provided with magnetic detector 30, but be not particularly limited to
This, for example, it is also possible to which being configured to control unit 60 directly inputs the data signal after being changed by A/D change-over circuits 35.
Also, it can also be configured to by Magnetic Sensor control unit 36 take the computing of the difference of each detected value.
Claims (6)
1. a kind of sheet discriminating device, it is characterised in that the sheet discriminating device has：
Transport path, its pumped (conveying) medium；
Conveying roller, it is arranged on the transport path, conveys the medium；And
Multiple Magnetic Sensors, they, which are arranged, is arranged on the direction orthogonal with the conveying direction of the medium, obtains the medium
Magnetic information,
The conveying roller be configured in stagger relative to the multiple Magnetic Sensor on the conveying direction and with it is adjacent more
Interval between the individual Magnetic Sensor turns into equally spaced position.
2. sheet discriminating device according to claim 1, it is characterised in that
Make a pair of Magnetic Sensors in the multiple Magnetic Sensor positioned at the isosceles using the bearing of the conveying roller as vertex position
The base both sides of triangle.
3. sheet discriminating device according to claim 1 or 2, it is characterised in that
The multiple Magnetic Sensor equally spaced arranges.
4. sheet discriminating device according to claim 1 or 2, it is characterised in that
The sheet discriminating device also has control unit,
The control unit take the computing of the difference of each detected value, and each detected value is by the specific bearing away from the conveying roller
Equally spaced the Magnetic Sensor positioned at both sides detects.
5. sheet discriminating device according to claim 3, it is characterised in that
The sheet discriminating device also has control unit,
The control unit take the computing of the difference of each detected value, and each detected value is by the specific bearing away from the conveying roller
Equally spaced the Magnetic Sensor positioned at both sides detects.
A kind of 6. automatic trading apparatus, it is characterised in that
The automatic trading apparatus has the sheet discriminating device described in any one in Claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-164906 | 2016-08-25 | ||
| JP2016164906A JP6981741B2 (en) | 2016-08-25 | 2016-08-25 | Paper leaf identification device and automated teller machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206726336U true CN206726336U (en) | 2017-12-08 |
Family
ID=60504308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720350543.5U Expired - Fee Related CN206726336U (en) | 2016-08-25 | 2017-04-05 | Sheet discriminating device and automatic trading apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6981741B2 (en) |
| CN (1) | CN206726336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509210A (en) * | 2019-08-26 | 2021-03-16 | 深圳怡化电脑股份有限公司 | Banknote image processing method and device, banknote checking equipment and readable storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765689B (en) * | 2018-03-12 | 2020-09-15 | 深圳怡化电脑股份有限公司 | Method and system for determining position of paper money magnetic safety line |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5429528A (en) * | 1977-08-10 | 1979-03-05 | Hitachi Ltd | Magnetic pattern detector |
| JPS6128185A (en) * | 1984-07-18 | 1986-02-07 | 株式会社日立製作所 | Paper money discriminator |
| US4764725A (en) * | 1986-09-12 | 1988-08-16 | Brandt, Inc. | Apparatus for detecting counterfeit currency using two coils to produce a saturating magnetic field |
| JP4024964B2 (en) * | 1998-07-28 | 2007-12-19 | キヤノン電子株式会社 | Magnetic sensor for magnetic ink detection, signal processing method thereof, and magnetic ink detection device |
| JP2015087896A (en) * | 2013-10-30 | 2015-05-07 | グローリー株式会社 | Magnetic detector for paper sheets |
-
2016
- 2016-08-25 JP JP2016164906A patent/JP6981741B2/en active Active
-
2017
- 2017-04-05 CN CN201720350543.5U patent/CN206726336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509210A (en) * | 2019-08-26 | 2021-03-16 | 深圳怡化电脑股份有限公司 | Banknote image processing method and device, banknote checking equipment and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018032260A (en) | 2018-03-01 |
| JP6981741B2 (en) | 2021-12-17 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171208 Termination date: 20180405 |