CN106204896B - Whether there is or not the methods of dynamic security line for sheet paper identification device and determining paper - Google Patents
Whether there is or not the methods of dynamic security line for sheet paper identification device and determining paper Download PDFInfo
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Abstract
The present invention relates to sheet paper identification device and determining paper, whether there is or not the methods of dynamic security line.Improve the determination precision of the presence or absence of sheet paper identification device dynamic security line.Sheet paper identification device has：First light source portion, to the one side irradiation scattering light among the surface of paper；First sensor receives the first transmitted light that paper is irradiated and transmitted from first light source portion；Second light source portion, to the another side irradiation light among the surface of paper；Second sensor receives the second transmitted light that paper is irradiated and transmitted from second light source portion；Image production part, based on first transmission the first image of photogenerated, based on second transmission the second image of photogenerated；Whether figure line identification part, identification separately include the defined figure line that dynamic security line has in the first image and second image；And determining section, in the case that the only one party among the first image and the second image includes defined figure line, it is determined as paper with dynamic security line.
Description
Technical field
The present invention relates to paper, whether there is or not the determinations of dynamic security line (motion thread).
Background technique
In the papers such as bank note or marketable securities, based on the requirement forged is prevented, dynamic security line is used sometimes.Dynamically
Microlens array (Microlens array) structure that safety line is configured by the image that prints on paper and on this image
At.Have the paper of dynamic security line to it can be seen that the figure line for being referred to as icon (icon) on printing surface moves by tilting
It is dynamic, or different icons can be seen according to inclined angle.Microlens array is designed to the angle according to viewing and makes
The image of different positions in printing surface is imaged.
Since the manufacture of dynamic security line is not easy, so can determine the true of paper by the way that whether there is or not dynamic security lines
It is pseudo-.In patent document 1, a kind of sheet paper identification device is disclosed, the one side of paper is irradiated from different both directions
Light is received the reflected light reflected by paper by line sensor, is compared to obtained two images, therefore, it is determined that having
Without dynamic security line.
Patent document 1：(Japan) special open 2013-20540 bulletin
Summary of the invention
In the sheet paper identification device of patent document 1, if angle and on-fixed between each light source and paper, no
It can obtain stable image.But typically, since paper is continuously conveyed at a high speed in sheet paper identification device and is produced
Raw bending, height is also and on-fixed.Therefore, in the sheet paper identification device of patent document 1, the position of the icon in each image
It sets not become and fix, so there are the determination precision of no dynamic security line to reduce such problems.
Therefore, the present invention provides the sheet paper identification device that can be improved the determination precision whether there is or not dynamic security line.
In order to solve the above problems, according to the present invention, providing determining paper, whether there is or not the identifications of the paper of dynamic security line
Device.The sheet paper identification device has：First light source portion, to the one side irradiation scattering light among the surface of the paper；
First sensor, it is opposed with the first light source portion, receive to irradiate from the first light source portion and has transmitted the paper
First transmitted light；Second light source portion, to the another side irradiation light among the surface of the paper；Second sensor, and it is described
Second light source portion is opposed, receives the second transmitted light that the paper is irradiated and transmitted from the second light source portion；Image is raw
At portion, based on the first transmission first image of photogenerated, based on the second transmission second image of photogenerated；The identification of figure line
Whether portion, identification separately include regulation possessed by the dynamic security line in the first image and second image
Figure line；And determining section, the only one party among the first image and second image include the defined figure
In the case where line, it is determined as the paper with the dynamic security line.
Invention effect
In accordance with the invention it is possible to provide the sheet paper identification device that the determination precision whether there is or not dynamic security line can be improved.
Project, structure and effect other than above-mentioned become clear by the explanation of the following embodiments and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the outline structure and bank note BL for indicating the paper money identifier 10 as an embodiment of the invention
Structure explanatory diagram.
Fig. 2 is the perspective view for indicating the outline structure in optical sensor portion 100.
Fig. 3 is the perspective view for indicating the detailed construction of the first light guide light source 110.
Fig. 4 is to illustrate that bank note BL passes through the perspective view of the situation in optical sensor portion 100.
Fig. 5 is the sectional view for illustrating the optical path in the first light guide light source 110.
Fig. 6 is the sectional view for illustrating the optical path in the first light guide light source 110.
Fig. 7 is the schematic diagram of the optical path in the case where illustrating from the first light guide light source 110 to bank note BL irradiation light.
Fig. 8 is the schematic diagram of the optical path in the case where illustrating from the second light guide light source 120 to bank note BL irradiation light.
Fig. 9 is the explanatory diagram for indicating the example of the first image.
Figure 10 is the explanatory diagram for indicating the example of the second image.
Figure 11 is to indicate to determine that whether there is or not the flow charts of the process of the processing of dynamic security line M.
Figure 12 is to illustrate slave point light source 310 in comparative example to the schematic diagram of the optical path in the case where bank note BL irradiation light.
Label declaration：
10 ... paper money identifiers
20 ... insertion detection sensors
30 ... transport paths
40 ... transmission devices
50 ... conveying rollers
60 ... rotated detection portions
70 ... control units
71 ... image production parts
72 ... figure line identification parts
73 ... determining sections
80 ... thickness transducers
100 ... optical sensor portions
101 ... first sensor portions
102 ... second sensor portions
110 ... first light guide light sources
111 ... light guides
The convex surface 111t ...
112 ... scattered reflection coating
120 ... second light guide light sources
130 ... first rod type lens arrays
140 ... second rod type lens arrays
150 ... First Line sensors
160 ... second line sensors
310 ... point light sources
330 ... rod type lens arrays
350 ... line sensors
BL ... bank note
IC ... icon set
M ... dynamic security line
M1 ... prints image
M2 ... microlens array
Dd ... conveying direction
Dy ... distance
Dz ... distance
Specific embodiment
A. embodiment
A-1. apparatus structure
Fig. 1 is the outline structure and bank note BL for indicating the paper money identifier 10 as an embodiment of the invention
Structure explanatory diagram.Fig. 1 (A) is the sectional view for schematically showing the structure of paper money identifier 10, and Fig. 1 (B) is signal
Indicate to property the sectional view of the structure of the bank note BL handled in paper money identifier 10.Paper money identifier 10 shown in Fig. 1 (A)
Bank note BL is continuously conveyed one by one, optically reads the surface of bank note BL, identifies the denomination (currency type) and the true and false of bank note.In this reality
It applies in mode, paper money identifier 10 is built in cash ATM (ATM：Automated Teller Machine) in
It uses.Alternatively, it is also possible to replace ATM and in the various equipment for the processing bank note such as be built in paper-money counting machine, actuarial machine, ticket machine
It uses.Orthogonal X-axis and Y-axis are parallel to the horizontal plane in the figure, and +Z direction indicates vertical upper direction, and -Z direction indicates
Vertical lower section.Conveying direction dd shown in white arrow means the conveying direction of the bank note BL in paper money identifier 10, at this
It is parallel with Y-axis in embodiment.
Bank note BL shown in Fig. 1 (B) is genuine note, and the one side among surface has dynamic security line M.Dynamic security line M
Has printing image M1 and microlens array M2.Printing image M1 is the tiny image printed on bank note BL.Microlens array
M2 has multiple lenticules, is made of the plate of resin.Each lens of microlens array M2 are configured to make to print in image M1
Defined position imaging, thus it can be seen that defined figure line (hereinafter also referred to as " icon ").That is, in no microlens array
In the state of M2 in the case where viewing printing image M1, without any significant figure line, but passing through microlens array M2
In the case where viewing, since defined position has icon by imaging.In Fig. 1 (B), it is schematically shown circular figure line
Icon set IC made of being alternately arranged with the figure line of triangle is as the icon shown on bank note BL.By tilting bank note BL, figure
Circular figure line part imaging among mark group IC to only it can be seen that the figure line part imaging of circular icon or triangle from
And only it can be seen that the icon of triangle.In addition, although not shown, but between printing image M1 and microlens array M2, it is configured with
The optical spacer of resin, bank note BL, printing image M1 and microlens array M2 are integrally formed.In addition, being saved slightly in counterfeit money
Lens array M2, or omit dynamic security line M entirety.
Paper money identifier 10 has insertion detection sensor 20, transport path 30, multiple transmission devices 40, multiple conveyings
Roller 50, rotated detection portion 60, control unit 70, thickness transducer 80 and optical sensor portion 100.
The configuration of detection sensor 20 is inserted near the insert port of bank note BL, detection is inserted in the inside of paper money identifier 10
The case where having entered bank note BL.In the present embodiment, insertion detection sensor 20 opposed is shone by clipping transport path 30
Diode and phototransistor are constituted.Transport path 30 plays in paper money identifier 10 as the transport path of bank note BL
Effect.Multiple transmission devices 40 drive by from the power of higher device, that is, ATM supply (not shown), make multiple conveying rollers 50
Rotation.Multiple conveying rollers 50 are configured along transport path 30, convey bank note BL to Y direction (conveying direction dd).Rotated detection
The rotation of the detection of portion 60 conveying roller 50.Control unit 70 is the computer of the compositions such as not shown CPU or memory, for controlling
Various movements in paper money identifier 10.Thickness transducer 80 detects the thickness of the bank note BL conveyed on transport path 30.?
In present embodiment, thickness transducer 80 is opposed pairs metal roll and to be located at metal roll by clipping transport path 30
Vertical top coil constitute eddy current type displacement sensor.Alternatively, it is also possible to replacement eddy current type displacement sensor
The sensor for the mode for using static capacity type sensor etc. any other is as thickness transducer 80.
Control unit 70 has image production part 71, figure line identification part 72 and determining section 73.Image production part 71 generates aftermentioned
The first image and the second image.It is dynamic whether the identification of figure line identification part 72 separately includes in the first image and the second image
Defined icon possessed by state safety line M.Determining section 73 determines that whether there is or not dynamic security line M.
Fig. 2 is the perspective view for indicating the outline structure in optical sensor portion 100.Optical sensor portion 100 has two biographies
Sensor portion (first sensor portion 101 and second sensor portion 102).Since two sensor portions 101,102 have on mutually
The structure of lower reversion, so being illustrated with first sensor portion 101 for representative.Two sensor portions 101,102 are along conveying side
It is configured to dd phase from defined distance dy.In the present embodiment, distance dy is shorter than the length of the short side direction of bank note BL.Separately
Outside, distance dy can also be set as to length identical as the length of the short side direction of bank note BL or more than it.First sensor
Portion 101 is located at the downstream side of conveying direction dd, and second sensor portion 102 is located at the upstream side of conveying direction dd.
First sensor portion 101 has the first light guide light source 110, the first rod type lens array 130 and First Line sensing
Device 150.First light guide light source 110, the first rod type lens array 130 and First Line sensor 150 all have columnar appearance
Shape and to be configured as longitudinal direction parallel with X-direction.In addition, the first light guide light source 110, the first rod type lens array
130 and First Line sensor 150 be configured to the center of short side direction and arranged along Z-direction.Specifically, being configured to
One light guide light source 110 is located at most +Z direction (vertical top), and First Line sensor 150 is located at most -Z direction (vertical lower section),
First rod type lens array 130 is between the first light guide light source 110 and First Line sensor 150.In the first light guide light
Between source 110 and the first rod type lens array 130 and between the first rod type lens array 130 and First Line sensor 150,
The gap of distance as defined in being respectively set.The edge in the gap between the first light guide light source 110 and the first rod type lens array 130
Z-direction distance dz it is longer than the thickness of bank note BL.As shown in Fig. 2, the first light guide light source 110 and the first rodlike lens array
Gap between column 130 forms a part of transport path 30.
(to transport path 30), irradiation scatters light to first light guide light source 110 downwards.About the first light guide light source 110
Detailed construction be described below.
First rod type lens array 130 is with rodlike more with optical axis center on the direction parallel with Z-direction
The construction that a lens arrange in the X-axis direction.First rod type lens array 130 clip transport path 30 and with the first light guide light
Source 110 is opposed.First rod type lens array 130 make from the first light guide light source 110 irradiate and transmitted bank note BL light (with
Under, referred to as " the first transmitted light ") it is imaged in First Line sensor 150.
The first transmitted light received via the first rod type lens array 130 is transformed to telecommunications by First Line sensor 150
Number and be sent to control unit 70.First Line sensor 150 is that X-direction is set as main scanning direction, by Y direction (conveying side
To) it is set as the sensor of sub-scanning direction, it is made of photodiode.Light is used alternatively, it is also possible to replace photodiode
Other light receiving elements such as electric transistor.
In the present embodiment, (the first light guide light source 110, first is rodlike for each component in composition first sensor portion 101
Lens array 130, First Line sensor 150) the length and the longitudinal direction of bank note BL along X-direction length substantially phase
Deng, be configured to shooting bank note BL entire surface.
Fig. 3 is the perspective view for indicating the detailed construction of the first light guide light source 110.First light guide light source 110, which has, leads
Body of light 111, scattered reflection coating 112 and two LED113.
Light guide 111 is made of the cylindrical lens of the resin with convex surface 111t extended in the X-axis direction, is configured to
Convex surface 111t is opposed with the first rod type lens array 130.Use other transparencys such as glass high alternatively, it is also possible to replacement resin
Material.Scattered reflection coating 112 coats in light guide 111 throughout the entirety of the plane opposed with convex surface 111t, as
The scatterer of light and play a role.Two LED113 distinguish in the end face of the +X direction of light guide 111 and the end face of -X direction
It is arranged opposite.Two LED113 irradiate visible light to light guide 111 respectively.Other are irradiated alternatively, it is also possible to replace visible light
The light (infrared light or ultraviolet light) of wavelength.
Keep the structure in above-mentioned first sensor portion 101 anti-up and down as described above, the structure in second sensor portion 102 has
The structure turned.In second sensor portion 102, the second light guide light source 120 corresponds to first leaded light in first sensor portion 101
Body light source 110.Equally, second rod type lens array 140 corresponds to first sensor portion 101 in second sensor portion 102
First rod type lens array 130, second line sensor 160 corresponds to first sensor portion 101 in second sensor portion 102
First Line sensor 150.To which the second light guide light source 120 in second sensor portion 102 shines (Xiang transport path 30) upwards
Penetrate scattering light.In addition, second rod type lens array 140 in second sensor portion 102 clip transport path 30 and with the second leaded light
Body light source 120 is opposed.In addition, the second rod type lens array 140 makes to irradiate from the second light guide light source 120 and has transmitted bank note BL
Light (hereinafter referred to as " the second transmitted light ") be imaged in the second line sensor 160.In addition, the second line sensor 160 will receive
To the second transmitted light be transformed to electric signal and be sent to control unit 70.
In the present embodiment, bank note BL is equivalent to the paper in technical solution, and paper money identifier 10 is equivalent to skill
Sheet paper identification device in art scheme.In addition, the first light guide light source 110 is equivalent to the first light source portion in technical solution,
Second light guide light source 120 is equivalent to the second light source portion in technical solution, and First Line sensor 150 is equivalent in technical solution
First sensor, the second line sensor 160 is equivalent to the second sensor in technical solution, and transport path 30 is equivalent to technology
Delivery section in scheme.
A-2. the molar behavior of paper money identifier 10
Fig. 4 is to illustrate that bank note BL passes through the perspective view of the situation in optical sensor portion 100.About paper money identifier 10
Molar behavior, referring to Fig.1 and Fig. 4 is illustrated.In the present embodiment, bank note BL becomes longitudinal direction, Y with X-direction
The mode that axis direction becomes short side direction is inserted into paper money identifier 10.In addition, bank note BL is with dynamic security line M's
State facing towards vertical top conveys on transport path 30.In addition, bank note BL can also become short side side with X-direction
To the mode that Y direction becomes longitudinal direction is inserted into and conveys.
If bank note BL is inserted into paper money identifier 10, it is inserted into the insertion that detection sensor 20 detects bank note BL.It inserts
Enter detection sensor 20 and send out the signal for indicating insertion detection to control unit 70, control unit 70 is to higher device (not shown)
(ATM) control unit sends out same signal.The control unit of higher device by the driving motor that has inside higher device come
Drive transmission device 40, thus conveying roller 50 rotates.Rotated detection portion 60 detects the rotation of conveying roller 50, send to control unit 70
The signal of rotated detection is indicated out.It, will be with if control unit 70 receives the signal for indicating rotated detection from rotated detection portion 60
The light source igniting signal and line sensor actuation signal that the rotation of conveying roller 50 is synchronous are sent to optical sensor portion 100.By
This, the first light guide light source 110 and the second light guide light source 120 are lighted, and First Line sensor 150 and the second line sensing
Device 160 drives.
First light guide light source 110 and the second light guide light source 120 are to the bank note BL conveyed on transport path 30 points
Other irradiation light.It is irradiated from the first light guide light source 110 and the first transmitted light for having transmitted bank note BL is imported into the first rod-shaped lens
Array 130 is received by First Line sensor 150.The first transmitted light received is transformed to telecommunications by First Line sensor 150
Number and be sent to image production part 71.Equally, the second transmitted light of bank note BL is irradiated and transmitted from the second light guide light source 120
It is imported into the second rod type lens array 140, is received by the second line sensor 160.Second line sensor 160 will receive second
Transmitted light is transformed to electric signal and is sent to image production part 71.Signal of the image production part 71 based on the first transmitted light and generate
First image, the signal based on the second transmitted light and generate the second image.Figure line identification part 72 is identified in the first figure generated
Defined icon possessed by dynamic security line M whether is separately included in picture and the second image.Determining section 73 is known based on figure line
The recognition result in other portion 72 determines that whether there is or not dynamic security line M.About whether there is or not the determinations of dynamic security line M, in aftermentioned Figure 11
It is described in detail.It is used for the identification of bank note BL by the presence or absence of the dynamic security line M that determining section 73 determines.Specifically
For, such as, however, it is determined that it is no dynamic security line M, then is determined as that bank note BL is counterfeit money.Furthermore, however, it is determined that there is dynamic to pacify
All fronts M is then determined as it being genuine note premised on having other conditions (condition relevant to aftermentioned thickness etc.).
Thickness transducer 80 detects the thickness of conveyed bank note BL.If bank note BL is by a pair of gold in thickness transducer 80
Belong to roller processed to clamp, then the metal roll of the vertical top positioned at transport path 30 among a pair of of metal roll is according to bank note BL's
Thickness and move up and down.It is moved up and down by metal roll, thus metal roll and the vertical top for being located at metal roll
The distance between coil change, the electric current flowed through in coil changes.Thickness transducer 80 will flow through in coil
Current transformation is signal and is sent to control unit 70.Control unit 70 is based on the signal received from thickness transducer 80, computation paper
The thickness of coin BL.Number is used for by the thickness of the calculated bank note BL of control unit 70 and determines (whether multiple bank note BL overlapping is defeated
Send) and bank note BL identification (whether being defined thickness).
A-3. optical path
Fig. 5 and Fig. 6 is the sectional view for illustrating the optical path in the first light guide light source 110.Fig. 5 expression is cut with X-Z plane
Section when disconnected first light guide light source 110.Fig. 6 indicates section when cutting off the first light guide light source 110 with Y-Z plane.Figure
Until arrow shown in middle dotted line indicates that the light irradiated from two LED113 reaches scattered reflection coating 112 by light guide 111
Optical path.Arrow shown in solid indicates the light reflected by scattered reflection coating 112 by light guide 111 from convex surface in figure
Optical path until 111t injection.Since the light irradiated from two LED113 is dissipated by the scattered reflection coating 112 of light guide 111
Reflection is penetrated, so becoming scattering light and projecting from convex surface 111t." scattering light " means to penetrate from multiple injection points to various directions
Light out.As shown in figure 5, scattered reflection coating 112 forms multiple injection points of reflected light.
Fig. 7 is the schematic diagram of the optical path in the case where illustrating from the first light guide light source 110 to bank note BL irradiation light.Scheming
In, to the face irradiation light with dynamic security line M among the surface of bank note BL.Arrow in figure indicates optical path.It is led from first
The scattering light that body of light light source 110 irradiates is incident to microlens array M2 from various directions.Later, it is reflected by microlens array M2
Light advance to various directions, irradiation printing image M1 entire surface.At this point, due to the defined position in printing image M1
It is not imaged, in First Line sensor 150, icon is not imaged.To not include dynamic security line M in the first image
Icon as defined in possessed.
Fig. 8 is the schematic diagram of the optical path in the case where illustrating from the second light guide light source 120 to bank note BL irradiation light.Scheming
In, to the face irradiation light without dynamic security line M among the surface of bank note BL.If bank note BL just with anti-direction and figure
Direction shown in 7 is identical, then face irradiation light without dynamic security line M of the second light guide light source 120 into bank note BL.Figure
In arrow indicate optical path.Bank note BL (printing figure is incident to from the scattering light that the second light guide light source 120 irradiates from various directions
As M1).Later, the light for having transmitted printing image M1 is reflected by microlens array M2, is arrived by the second rod type lens array 140
Up to the second line sensor 160.Light is reflected by microlens array M2, thus the icon specified in the second line sensor 160 (
In figure, circular icon) imaging.To include defined icon possessed by dynamic security line M in the second image.
Fig. 9 is the explanatory diagram for indicating the example of the first image.Figure 10 is the explanatory diagram for indicating the example of the second image.Such as figure
Shown in 9, in the first image, defined icon possessed by dynamic security line M is not included.On the other hand, as shown in Figure 10, exist
In second image, include defined icon (circular icon in the figure) possessed by dynamic security line M.Like this, the first figure
Picture and the second image are mutually different on whether there is or not icon.
In the present embodiment, the case where bank note BL is inserted into paper money identifier 10 with positive and negative opposite state
Under, comprising defined icon possessed by dynamic security line M in the first image, dynamic security line is not included in the second image
Defined icon possessed by M.According to the above, the only one party among the first image and the second image includes defined icon
In the case where, can determine has dynamic security line M for bank note BL.
A-4. whether there is or not the determinations of dynamic security line M
Figure 11 is to indicate to determine that whether there is or not the flow charts of the process of the processing of dynamic security line M.In paper money identifier 10,
After power supply is connected, the processing for determining dynamic security line M is executed.Detection knot of the control unit 70 based on insertion detection sensor 20
Fruit, determines whether bank note BL is inserted into paper money identifier 10 (step S205).It is being determined as the case where bank note BL is inserted into
Under (step S205："Yes"), control unit 70 rotates conveying roller 50, makes the first light guide light source 110 and the second light guide light
Source 120 is lighted, and First Line sensor 150 and the second line sensor 160 is made to drive (step S210).In addition, due to step
The detailed process managed everywhere in S210 and the process phase recorded in above-mentioned " molar behavior of A-2. paper money identifier 10 "
Together, so omitting detailed description.
Optical sensor portion 100 passes through line sensor and receives to have transmitted the transmitted light of bank note BL to bank note BL irradiation light
(step S215).Light of the image production part 71 based on the first transmitted light in First Line sensor 150 and generate the first image
(step S220).Light of the image production part 71 based on the second transmitted light in the second line sensor 160 and generate the second image
(step S225).
Whether the identification of figure line identification part 72 is in the first image generated comprising defined possessed by dynamic security line M
Icon (step S230).(the step S230 in the case where being identified as comprising defined icon："Yes"), figure line identification part 72 identifies
Whether include defined icon (step S235) possessed by dynamic security line M in the second image generated.On the other hand,
(the step in the case where being identified as in the first image generated not comprising defined icon possessed by dynamic security line M
Rapid S230："No"), whether figure line identification part 72 is also identified is had in the second image generated comprising dynamic security line M
Defined icon (step S240).
(step S235 in the case where comprising defined icon is identified as not in step S235："No"), in the first figure
Only one party among picture and second image includes defined icon.Accordingly, it is determined that portion 73 is determined as bank note BL with dynamic
State safety line M (step S250).Equally, (step S240 in the case where comprising defined icon is identified as in step S240：
"Yes"), also the only one party among the first image and the second image includes defined icon.Accordingly, it is determined that portion 73 is determined as
Bank note BL has dynamic security line M (step S250).
(step S235 in the case where comprising defined icon is identified as in step S235："Yes"), the first image with
And second all include defined icon in either one or two of image.Accordingly, it is determined that portion 73 is determined as bank note BL without dynamic security
Line M (step S245).The case where as all including defined icon in either one or two of the first image and the second image, it is contemplated that
Bank note BL do not have microlens array M2, stipulated that icon printed in a manner of it can determine without microlens array M2
Brush the situation on bank note BL.
(step S240 in the case where comprising defined icon is identified as not in step S240："No"), in the first figure
All not comprising defined icon in either one or two of picture and second image.Accordingly, it is determined that portion 73 is determined as bank note BL not
With dynamic security line M (step S255).As in either one or two of the first image and second image all not comprising
The case where defined icon, it is contemplated that bank note BL does not have microlens array M2, and icon is not printed on the situation on bank note BL.
In the paper money identifier 10 of present embodiment described above, among the first image and the second image only
In the case that one party includes defined icon, it is determined as bank note BL with dynamic security line M, whether there is or not dynamics so can be improved
The determination precision of safety line M.That is, according to the presence or absence of icon and two images become mutually different image in the case where, really
It is set to bank note BL with dynamic security line M, so compared with the method that the position to the icon in two images is compared, energy
Whether there is or not the determination precision of dynamic security line M for enough raisings.
Since continuously high speed conveys to be easy to generate bending or position deviation bank note BL in paper money identifier 10,
So position when needing to consider the conveying of bank note BL is inclined in the method that the position to the icon in two images is compared
Difference.But in the paper money identifier of present embodiment 10, determined based on the presence or absence of icon difference specific in this way whether there is or not
Dynamic security line M, thus without the concern for bank note BL conveying when position deviation.Therefore, it can easily be done at image
Reason, can reduce the load of paper money identifier 10, furthermore it is possible to promptly determine that whether there is or not dynamic security line M.In addition, passing through
Use the light guide for being attached with scatterer as the first light guide light source 110 and the second light guide light source 120, dress can be simplified
Set structure.In turn, since the first light guide light source 110 and the second light guide light source 120 all irradiate scattering light, so can be with
The positive and negative of the bank note BL being inserted into independently determines that whether there is or not dynamic security line M.That is, with dynamic security line M facing towards lead
Straight top and the case where convey and straight down and either one or two of the case where convey in, can be in the image of an only side
In the case where comprising defined icon possessed by dynamic security line M, it is determined as bank note BL with dynamic security line M.
About dynamic security line M, it is known that the mobile dynamic security line M of icon can be seen according to inclination bank note BL, can see
To the dynamic security line M of different icons, it can be seen that various dynamic security line M such as dynamic security line M that icon floats.
In the paper money identifier 10 of present embodiment, determine that whether there is or not dynamic securities based on the presence or absence of icon difference specific in this way
Line M, so can accurately determine dynamic no matter in the case where bank note BL has the dynamic security line M of which type
The presence or absence of safety line M.
B. comparative example
Figure 12 is to illustrate slave point light source 310 in comparative example to the schematic diagram of the optical path in the case where bank note BL irradiation light.
Arrow in figure indicates optical path.Point light source 310 is to the face irradiation light with dynamic security line M among the surface of bank note BL.Stick
Shape lens array 330 makes to be imaged in the transmitted light on-line sensor 350 for having transmitted bank note BL.It irradiates and passes through from point light source 310
Defined position of the light of microlens array M2 refraction in printing image M1 is imaged.Therefore, in the line opposed with point light source 310
In sensor 350, it is specified that icon (circular icon in the figure) imaging.To in use point light source 310 to bank note BL's
It necessarily include dynamic security line M institute in the image obtained in the case where the face irradiation light with dynamic security line M among surface
The defined icon having.In addition, in the structure of comparative example, among the surface to bank note BL with dynamic security line
In the case where the opposite face irradiation light in the face of M, identically as above-mentioned embodiment, comprising defined in obtained image
Icon.To all include defined icon in either one or two of the first image and the second image in the structure of comparative example.?
This, is in the case where replacing dynamic security line M and printed the counterfeit money of defined icon by use, in the structure of comparative example,
It also all include defined icon in either one or two of the first image and the second image.It, may as a result, in the structure of comparative example
There is a situation where not can determine that, whether there is or not dynamic security line M in bank note BL.
In contrast, according to the paper money identifier 10 in above-mentioned embodiment, the first light guide light source 110 and
One light guide light source 110 all irradiates scattering light.Accordingly, with respect to the bank note BL with dynamic security line M, as described above in the first figure
It include defined icon in the only image of a side among picture and the second image.Here, being printed in replacement dynamic security line M
In the case that the counterfeit money of circular icon is by use, in the structure of embodiment, in any of the first image and the second image
It all include defined icon in a.To reliably determine in bank note BL according to the paper money identifier 10 of embodiment
Whether there is or not dynamic security line M.
C. variation
It in addition, the present invention is not limited to above-mentioned embodiments, but include various modifications example.For example, above-mentioned implementation
Mode is the embodiment for for ease of understanding illustrating the present invention and being illustrated in detail, is not limited to must have institute
The entire infrastructure of explanation.In addition, a part of the structure about embodiment, is able to carry out the addition of other structures, deletes, sets
It changes.
In addition, about above-mentioned each structure, function, processing unit, processing unit etc., can also by their a part or
All realized in a manner of hardware for example, by being designed in integrated circuits etc..In addition, above-mentioned each structure, function etc.
The program for realizing respective function can also be analyzed and be executed by processor and be realized in the form of software,
It can be realized by the computer outside device.Storage can be placed in for realizing information such as the program of each function, table, files
The records such as recording devices or IC card, SD card, DVD such as device, hard disk, SSD (solid state hard disk, Solid State Drive) are situated between
Matter.
Further there is illustrated thinking to illustrate upper necessary control line, information wire, be not limited to must by product control line,
Information wire is all shown.It is also assumed that actually substantially all of structure is connected with each other.In addition, in the present invention, may include
Specific following such variation.
C-1. variation 1
In embodiments, the first light guide light source 110 and the second light guide light source 120 are all the light of irradiation scattering light
Source, but the present invention is not limited thereto.Second light guide light source 120 is also possible to point light source.About the optical path in the structure, below
It is illustrated.The light for irradiating from the second light guide light source 120 and being incident on bank note BL (printing image M1) passes through microlens array
M2 refraction reaches the second line sensor 160 by the second rod type lens array 140.Light is reflected by microlens array M2, thus
The imaging of the icon specified in the second line sensor 160.Therefore, in the second image, include rule possessed by dynamic security line M
Fixed icon.To due to can also obtain image identical with the second image in embodiment according to this structure, so real
Now effect identical with the paper money identifier of embodiment 10.
C-2. variation 2
In embodiments, using light guide (the first light guide light source 110 and the second light guide for being attached with scatterer
Light source 120) light source as optical sensor portion 100, but the present invention is not limited thereto.Also it can be used configured with multiple light
Light source of the array light source in source as optical sensor portion 100.In addition, multiple point light sources can also be along in the array light source
The direction arrangement intersected with conveying direction (Y direction).Through this structure, with the dynamic security line on the surface of bank note BL
The allocation position of M is unrelated, can be improved a possibility that determining that whether there is or not dynamic security line M.In turn, the first light guide light source 110 with
And second light guide light source 120 can also be the light source comprising multiple light guides respectively.In addition it is also possible to will be from a point light source
It projects and use lens scatter plate etc. and scatter light source of the obtained light as optical sensor portion 100.In this configuration, one
Point light source and lens scatter plate are equivalent to first light source portion and second light source portion in technical solution.That is, in general, it can also
The light source portion for irradiating scattering light to the surface of bank note BL is applied to paper money identifier 10 of the invention.
C-3. variation 3
In embodiments, the first light guide light source 110 has two LED113, but the first light guide light source 110 has
LED113 be also possible to one, be also possible to three or more.Equally, the LED113 that the second light guide light source 120 has can also
To be one, it is also possible to three or more.In addition it is also possible to omit the first rod type lens array in optical sensor portion 100
130 and the second at least one party among rod type lens array 140.With this configuration, it also realizes and knows with the bank note of embodiment
The identical effect of other device 10.
C-4. variation 4
In embodiments, use line sensor (First Line sensor 150 and the second line sensor 160) as optics
The sensor of sensor portion 100, but the present invention is not limited thereto.Also it can replace line sensor and have area sensor.Separately
Outside, from the point of view of viewpoint of resolution ratio etc. it is preferable to use line sensor, with the using area sensor the case where compared with, can be further
Whether there is or not the determination precision of dynamic security line M for raising.
C-5. variation 5
In embodiments, each component (light guide light source, rod type lens array, the line biography in optical sensor portion 100 are constituted
Sensor) it is configured to the entire surface of shooting bank note BL, but the present invention is not limited thereto.Also it is configured to that paper can be shot
A part comprising dynamic security line M of coin BL.In addition, in embodiments, each component for constituting optical sensor portion 100 will
X-direction is configured as longitudinal direction, but the arbitrary direction intersected with Y direction is carried out as longitudinal direction
The longitudinal direction of configuration, each component can not also vertically intersect with Y-axis.In turn, in embodiments, optics is constituted to pass
Each component in sensor portion 100 is respectively configured along Z axis, but the present invention is not limited thereto.As long as each sensor can receive respectively
The light of each light source can also then be respectively configured on the axis not intersected vertically with X-Y plane.Through this structure,
Realize effect identical with the paper money identifier 10 of embodiment.
C-6. variation 6
In embodiments, conveying roller 50 is by receiving the power from higher device (ATM) by multiple transmission devices 40
It to drive, but also can be set to structure of the paper money identifier 10 with power sources such as motors, driven by the power source
It is dynamic.In addition, the paper money identifier 10 of embodiment has thickness transducer 80, but it also can be omitted thickness transducer 80.
C-7. variation 7
In embodiments, apply the present invention to the paper money identifier 10 that object is bank note BL, but replace in this,
Also the present invention can be applied to the devices of any other papers such as identification marketable securities.
Claims (6)
1. a kind of sheet paper identification device determines that paper whether there is or not dynamic security line, has：
First light source portion, for paper the position including at least a part of dynamic security line to the surface of the paper it
In one side irradiation scattering light；
First sensor, it is opposed with the first light source portion, receive to irradiate from the first light source portion and has transmitted the paper
First transmitted light of class；
Second light source portion, for paper the position including at least a part of dynamic security line to the surface of the paper it
In another side irradiation light；
Second sensor, it is opposed with the second light source portion, receive to irradiate from the second light source portion and has transmitted the paper
Second transmitted light of class；
Image production part, based on the first transmission first image of photogenerated, based on the second transmission second image of photogenerated；
Whether figure line identification part, identification separately include the dynamic security line in the first image and second image
Figure line as defined in possessed；And
The case where determining section, the only one party among the first image and second image includes the defined figure line
Under, it is determined as the paper with the dynamic security line.
2. sheet paper identification device as described in claim 1, wherein
The second light source portion irradiation scattering light.
3. such as claim 1 or sheet paper identification device as claimed in claim 2, wherein
The light source portion for irradiating the scattering light includes the light guide for being attached with scatterer.
4. such as claim 1 or sheet paper identification device as claimed in claim 2, wherein
The light source portion for irradiating the scattering light includes the array light source configured with multiple point light sources.
5. sheet paper identification device as claimed in claim 4, wherein
The sheet paper identification device is also equipped with delivery section, which is used to convey the paper in the conveying direction,
The multiple point light source is arranged along the direction intersected with the conveying direction.
6. whether there is or not the methods of dynamic security line for a kind of determining paper, including：
(a) first light source portion is for the position including at least a part of dynamic security line of paper to the surface of the paper
Among one side irradiation scattering light step；
(b) first sensor opposed with the first light source portion receives the irradiation in the step (a) and has transmitted the paper
The step of opening the first transmitted light of class；
(c) second light source portion is for the position including at least a part of dynamic security line of paper to the surface of the paper
Among another side irradiation light the step of；
(d) second sensor opposed with the second light source portion receives the irradiation in the step (c) and has transmitted the paper
The step of opening the second transmitted light of class；
(e) light of the image production part based on first transmitted light and the step of generate the first image；
(f) light of the described image generating unit based on second transmitted light and the step of generate the second image；
(g) whether figure line identification part identification separately includes the dynamic security in the first image and second image
Possessed by line the step of defined figure line；And
(h) only one party of the determining section among the first image and second image includes the feelings of the defined figure line
Under condition, being determined as the paper has the step of dynamic security line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-197900 | 2014-09-29 | ||
| JP2014197900A JP6204898B2 (en) | 2014-09-29 | 2014-09-29 | Paper sheet identification device and method for identifying presence or absence of motion thread in paper sheet |
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| Publication Number | Publication Date |
|---|---|
| CN106204896A CN106204896A (en) | 2016-12-07 |
| CN106204896B true CN106204896B (en) | 2018-11-27 |
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| CN201510278961.3A Active CN106204896B (en) | 2014-09-29 | 2015-05-27 | Whether there is or not the methods of dynamic security line for sheet paper identification device and determining paper |
Country Status (2)
| Country | Link |
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| JP (1) | JP6204898B2 (en) |
| CN (1) | CN106204896B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10347068B2 (en) * | 2016-09-26 | 2019-07-09 | Mitsubishi Electric Corporation | Capacitance detection device and image reading device |
| CN108091033B (en) * | 2017-12-26 | 2020-10-20 | 深圳怡化电脑股份有限公司 | Paper money identification method and device, terminal equipment and storage medium |
| DE112018006837T5 (en) * | 2018-01-11 | 2020-09-24 | Mitsubishi Electric Corporation | Image reader |
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| CN101019154A (en) * | 2004-09-15 | 2007-08-15 | Ovd基尼格拉姆股份公司 | Security document with transparent windows |
| EP2546808A1 (en) * | 2011-07-13 | 2013-01-16 | Glory Ltd. | Paper sheet recognition apparatus and paper sheet recognition method |
| CN103358808A (en) * | 2012-03-28 | 2013-10-23 | 中钞特种防伪科技有限公司 | Optical anti-fake element and products utilizing same |
| AU2012252136A1 (en) * | 2011-05-09 | 2013-11-14 | De La Rue International Limited | Security device |
| JP2014064051A (en) * | 2012-09-19 | 2014-04-10 | Toshiba Corp | Image reading apparatus and paper sheet processing apparatus |
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| US4980569A (en) * | 1990-03-05 | 1990-12-25 | Crane Timothy T | Security paper verification device |
| JP2009536885A (en) * | 2006-05-12 | 2009-10-22 | クレイン アンド カンパニー インコーポレーテッド | A micro-optical film structure that projects a spatially coordinated image by static and / or other projected images, alone or with a security document or label |
| US7663769B2 (en) * | 2007-09-27 | 2010-02-16 | Kabushiki Kaisha Toshiba | Sheet thickness measuring device and image forming apparatus |
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|---|---|---|---|---|
| CN101019154A (en) * | 2004-09-15 | 2007-08-15 | Ovd基尼格拉姆股份公司 | Security document with transparent windows |
| AU2012252136A1 (en) * | 2011-05-09 | 2013-11-14 | De La Rue International Limited | Security device |
| EP2546808A1 (en) * | 2011-07-13 | 2013-01-16 | Glory Ltd. | Paper sheet recognition apparatus and paper sheet recognition method |
| CN103358808A (en) * | 2012-03-28 | 2013-10-23 | 中钞特种防伪科技有限公司 | Optical anti-fake element and products utilizing same |
| JP2014064051A (en) * | 2012-09-19 | 2014-04-10 | Toshiba Corp | Image reading apparatus and paper sheet processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106204896A (en) | 2016-12-07 |
| JP6204898B2 (en) | 2017-09-27 |
| JP2016071476A (en) | 2016-05-09 |
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Address after: Tokyo, Japan Patentee after: Hitachi Financial Systems Co.,Ltd. Address before: Tokyo, Japan Patentee before: HITACHI-OMRON TERMINAL SOLUTIONS, Corp. |