CN106204896A - Sheet paper identification device and determine the paper method with or without dynamic security line - Google Patents
Sheet paper identification device and determine the paper method with or without dynamic security line Download PDFInfo
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- CN106204896A CN106204896A CN201510278961.3A CN201510278961A CN106204896A CN 106204896 A CN106204896 A CN 106204896A CN 201510278961 A CN201510278961 A CN 201510278961A CN 106204896 A CN106204896 A CN 106204896A
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Abstract
The present invention relates to sheet paper identification device and determine the paper method with or without dynamic security line.Improve the determination precision of the presence or absence dynamic security line of sheet paper identification device.Sheet paper identification device possesses: the first light source portion, and the one side among the surface of paper irradiates scattered light；First sensor, accepts to irradiate from the first light source portion and transmission the first transmission light of paper；Secondary light source portion, the another side among the surface of paper irradiates light；Second sensor, accepts to irradiate from secondary light source portion and transmission the second transmission light of paper；Image production part, based on first transmission photogenerated the first image, based on second transmission photogenerated the second image；Figure stricture of vagina identification part, identifies the figure stricture of vagina comprising the regulation that dynamic security line has in the first image and described second image the most respectively；And determine portion, in the case of the only one party among the first image and the second image comprises the figure stricture of vagina of regulation, it is defined as paper and there is dynamic security line.
Description
Technical field
The present invention relates to the paper determination with or without dynamic security line (motion thread).
Background technology
In the paper such as bank note or marketable securities, based on preventing the requirement forged, sometimes use dynamically
Safety line.Dynamic security line is by the image printed on paper and the lenticule configured on this image
Array (Microlens array) is constituted.By inclination, there is the paper of dynamic security line thus can see
The figure stricture of vagina being referred to as icon (icon) on printing surface moves, or can see according to the angle tilted
To different icons.Microlens array is designed to the angle according to viewing and makes the difference in printing surface
The image imaging of position.
Owing to the manufacture of dynamic security line is not easy, it is possible to by judging with or without dynamic security line
The true and false of paper.In patent documentation 1, disclose a kind of sheet paper identification device, to paper
One side irradiates light from different both directions, is accepted the reflection light reflected by paper by line sensor,
Two obtained images are compared, thus determines whether dynamic security line.
Patent documentation 1:(Japan) JP 2013-20540 publication
Summary of the invention
In the sheet paper identification device of patent documentation 1, if the angle between each light source and paper is not
Fixing, then can not obtain stable image.But, typically, since paper is known at paper
In other device continuously at a high speed conveying and produce bending, it is the most also and on-fixed.Therefore, in patent
In the sheet paper identification device of document 1, the position of the icon in each image does not become fixing, so depositing
Such problem is reduced in the determination precision with or without dynamic security line.
Therefore, the present invention provides the paper identification that can improve the determination precision with or without dynamic security line
Device.
In order to solve above-mentioned problem, according to the present invention, it is provided that determine that paper is with or without dynamic security line
Sheet paper identification device.This sheet paper identification device possesses: the first light source portion, to described paper
One side among surface irradiates scattered light；First sensor, opposed with described first light source portion, accept
Irradiate and transmission the first transmission light of described paper from described first light source portion；Secondary light source portion,
Another side among the surface of described paper irradiates light；Second sensor, with described secondary light source
Portion is opposed, accepts to irradiate from described secondary light source portion and transmission the second transmission light of described paper；
Image production part, based on described first transmission photogenerated the first image, based on described second transmission photoproduction
Become the second image；Whether figure stricture of vagina identification part, identify in described first image and described second image
Comprise the figure stricture of vagina of the regulation that described dynamic security line is had respectively；And determine portion, described first
In the case of only one party among image and described second image comprises the figure stricture of vagina of described regulation, determine
For described paper, there is described dynamic security line.
Invention effect
In accordance with the invention it is possible to provide the paper that can improve the determination precision with or without dynamic security line to know
Other device.
Problem, structure and effect beyond above-mentioned are become by the explanation of following embodiment
Clearly.
Accompanying drawing explanation
Fig. 1 is the schematic configuration of the paper money identifier 10 being denoted as an embodiment of the invention
And the explanatory diagram of the structure of bank note BL.
Fig. 2 is the axonometric chart of the schematic configuration representing optical pickocff portion 100.
Fig. 3 is the axonometric chart of the detailed construction representing the first light conductor light source 110.
Fig. 4 is the axonometric chart that the bank note BL situation by optical pickocff portion 100 is described.
Fig. 5 is the profile that the light path in the first light conductor light source 110 is described.
Fig. 6 is the profile that the light path in the first light conductor light source 110 is described.
Fig. 7 is to illustrate from the first light conductor light source 110 showing to the light path in the case of bank note BL irradiation light
It is intended to.
Fig. 8 is to illustrate to irradiate the light path in the case of light from the second light conductor light source 120 to bank note BL
Schematic diagram.
Fig. 9 is the explanatory diagram of the example representing the first image.
Figure 10 is the explanatory diagram of the example representing the second image.
Figure 11 is the flow chart representing the process determining the process with or without dynamic security line M.
Figure 12 is to illustrate to irradiate the light path in the case of light from point source 310 to bank note BL in comparative example
Schematic diagram.
Label declaration:
10 ... paper money identifier
20 ... insert detection sensor
30 ... transport path
40 ... actuating device
50 ... conveying roller
60 ... rotated detection portion
70 ... control portion
71 ... image production part
72 ... figure stricture of vagina identification part
73 ... determine portion
80 ... thickness transducer
100 ... optical pickocff portion
101 ... first sensor portion
102 ... the second sensor portion
110 ... the first light conductor light source
111 ... light conductor
111t ... convex surface
112 ... scattered reflection coating
120 ... the second light conductor light source
130 ... the first rod type lens array
140 ... the second rod type lens array
150 ... First Line sensor
160 ... the second line sensor
310 ... point source
330 ... rod type lens array
350 ... line sensor
BL ... bank note
IC ... icon set
M ... dynamic security line
M1 ... printing image
M2 ... microlens array
Dd ... conveying direction
Dy ... distance
Dz ... distance
Detailed description of the invention
A. embodiment
A-1. apparatus structure
Fig. 1 is the schematic configuration of the paper money identifier 10 being denoted as an embodiment of the invention
And the explanatory diagram of the structure of bank note BL.Fig. 1 (A) schematically shows paper money identifier 10
The profile of structure, Fig. 1 (B) is to schematically show the bank note BL processed in paper money identifier 10
The profile of structure.Paper money identifier 10 shown in Fig. 1 (A) carries bank note BL the most continuously,
Read the surface of bank note BL optically, identify denomination (currency type) and the true and false of bank note.In this enforcement
In mode, paper money identifier 10 is built in cash ATM (ATM:Automated Teller
Machine) use in.Alternatively, it is also possible to replace ATM and be built in paper-money counting machine, actuarial machine,
The various equipment of the process bank note such as ticket machine use.In the drawings, orthogonal X-axis and Y-axis with
Plane-parallel, +Z direction represents vertical upper direction, and-Z direction represents vertical lower section.White arrow institute
The conveying direction dd shown means the conveying direction of the bank note BL in paper money identifier 10, in this enforcement
In mode parallel with Y-axis.
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 possesses printing image M1 and microlens array M2.Printing image M1 is at bank note BL
The tiny image of upper printing.Microlens array M2 has multiple lenticule, is made up of resinous plate.
Each lens of microlens array M2 are configured to make the position imaging of the regulation in printing image M1, from
And it can be seen that regulation figure stricture of vagina (hereinafter also referred to as " icon ").That is, there is no microlens array M2
State under viewing printing image M1 in the case of, not there is any significant figure stricture of vagina, but passing through
In the case of microlens array M2 viewing, owing to the position of regulation is imaged, there is icon.At Fig. 1
(B) in, it is schematically shown circular figure stricture of vagina and the alternately arranged icon set of the figure stricture of vagina of triangle
IC is as the icon manifested on bank note BL.Circular figure by tilting bank note BL, among icon set IC
Stricture of vagina part imaging thus only it can be seen that the icon of circle, or the figure stricture of vagina part imaging of triangle thus only may be used
See the icon of triangle.It addition, although not shown, but at printing image M1 and microlens array M2
Between, it is configured with resinous optical spacer, bank note BL, printing image M1 and microlens array M2
It is integrally forming.It addition, in counterfeit money, omit microlens array M2, or it be whole to omit dynamic security line M
Body.
Paper money identifier 10 possesses insertion detection sensor 20, transport path 30, multiple actuating device
40, multiple conveying rollers 50, rotated detection portion 60, control portion 70, thickness transducer 80 and optical sensing
Device portion 100.
Inserting detection sensor 20 and be arranged near the insert port of bank note BL, detection is at paper money identifier
The inside of 10 inserts the situation of bank note BL.In the present embodiment, detection sensor 20 is inserted by pressing from both sides
Transport path 30 and opposed light emitting diode and phototransistor are constituted.Transport path 30 is at bank note
Play a role as the transport path of bank note BL in identifying device 10.Multiple actuating devices 40 by from
Power that higher device i.e. ATM (not shown) supplies and drive, make multiple conveying roller 50 rotate.Many
Individual conveying roller 50 configures along transport path 30, carries bank note BL to Y direction (conveying direction dd).
Rotated detection portion 60 detects the rotation of conveying roller 50.Control portion 70 is by not shown CPU or memorizer
In the computer of composition, for controlling the various actions in paper money identifier 10.Thickness transducer 80
The thickness of the bank note BL of conveying on detection transport path 30.In the present embodiment, thickness transducer 80
It is by clipping transport path 30 and opposed pairs metal roll and be positioned at the vertical top of metal roll
The eddy current type displacement transducer that coil is constituted.Alternatively, it is also possible to replace eddy current type displacement transducer
And use the sensor of other arbitrary modes such as static capacity type sensor as thickness transducer 80.
Control portion 70 possesses image production part 71, figure stricture of vagina identification part 72 and determines portion 73.Image production part
71 generate the first image described later and the second image.Figure stricture of vagina identification part 72 identify at the first image and
Second image comprises the icon of the regulation that dynamic security line M is had the most respectively.Determine that portion 73 is true
Fixed with or without dynamic security line M.
Fig. 2 is the axonometric chart of the schematic configuration representing optical pickocff portion 100.Optical pickocff portion 100 has
Standby two sensor portions (first sensor portion 101 and the second sensor portion 102).Due to two sensings
Device portion 101,102 has the structure mutually inverted up and down, so entering with first sensor portion 101 for representative
Row explanation.Two sensor portions 101,102 configure along conveying direction dd phase from distance dy of regulation.
In the present embodiment, the length of the distance dy short side direction than bank note BL is short.Alternatively, it is also possible to will
Distance dy is set to identical with the length of the short side direction of bank note BL or that it is above length.First sensing
Device portion 101 is positioned at the downstream of conveying direction dd, and the second sensor portion 102 is positioned at the upper of conveying direction dd
Trip side.
First sensor portion 101 possesses first light conductor light source the 110, first rod type lens array 130 and
One line sensor 150.First light conductor light source the 110, first rod type lens array 130 and First Line sensing
Device 150 all has the face shaping of column and to be configured to long side direction parallel with X-direction.Additionally,
First light conductor light source the 110, first rod type lens array 130 and First Line sensor 150 are configured to
The center of short side direction arranges along Z-direction.Specifically, the first light conductor light source 110 it is configured to
Being positioned at +Z direction (vertical top), First Line sensor 150 is positioned at-Z direction (vertical lower section),
First rod type lens array 130 is between the first light conductor light source 110 and First Line sensor 150.?
Between first light conductor light source 110 and the first rod type lens array 130 and the first rod type lens array
Between 130 and First Line sensor 150, it is respectively provided with the space of the distance of regulation.First light conductor light
Distance dz along Z-direction in the space between source 110 and the first rod type lens array 130 compares bank note
The thickness of BL is long.As in figure 2 it is shown, between the first light conductor light source 110 and the first rod type lens array 130
Space formed transport path 30 a part.
First light conductor light source 110 irradiates downwards scattered light (to transport path 30).Lead about first
The detailed construction of body of light light source 110 is described below.
First rod type lens array 130 has and has optical axis center on the direction parallel with Z-direction
The structure that bar-shaped multiple lens arrange in the X-axis direction.First rod type lens array 130 clips conveying
Path 30 and opposed with the first light conductor light source 110.First rod type lens array 130 makes from first guide-lighting
Body light source 110 irradiates and the transmission light of bank note BL (hereinafter referred to as " the first transmission light ") is at First Line
Imaging in sensor 150.
The the first transmission light received via the first rod type lens array 130 is become by First Line sensor 150
It is changed to the signal of telecommunication and is sent to control portion 70.First Line sensor 150 is that X-direction is set to main scanning
Direction, is set to the sensor of sub scanning direction, by photodiode structure by Y direction (conveying direction)
Become.Alternatively, it is also possible to replace photodiode and use other photo detectors such as phototransistor.
In the present embodiment, each parts (first light conductor light source in first sensor portion 101 is constituted
110, the first rod type lens array 130, First Line sensor 150) the length along X-direction with
The length of the long side direction of bank note BL is roughly equal, and the surface being configured to shoot bank note BL is overall.
Fig. 3 is the axonometric chart of the detailed construction representing the first light conductor light source 110.First light conductor light source
110 possess light conductor 111, scattered reflection coating 112 and two LED113.
Light conductor 111 is by the resinous cylindrical lens structure with convex surface 111t extended in the X-axis direction
Become, be configured to convex surface 111t and the first rod type lens array 130 is opposed.Alternatively, it is also possible to replacement resin
And use the material that other transparencys such as glass are high.Scattered reflection coating 112 in light conductor 111 throughout
The entirety of the plane opposed with convex surface 111t and coat, play a role as scattering of light body.Two
LED113 is the most arranged opposite at the end face of the +X direction of light conductor 111 and the end face of-X direction.
Two LED113 irradiate visible ray respectively to light conductor 111.Alternatively, it is also possible to replace visible ray and shine
Penetrate the light (infrared light or ultraviolet light) of other wavelength.
As it has been described above, the structure in the second sensor portion 102 has makes above-mentioned first sensor portion 101
The structure that structure inverts up and down.In the second sensor portion 102, the second light conductor light source 120 corresponds to
The first light conductor light source 110 in first sensor portion 101.Equally, in the second sensor portion 102 second
Rod type lens array 140 is corresponding to first rod type lens array 130 in first sensor portion 101, second
In sensor portion 102, the second line sensor 160 is corresponding to the First Line sensor in first sensor portion 101
150.Thus, the second light conductor light source 120 in the second sensor portion 102 is upward (to transport path 30)
Irradiate scattered light.Additionally, second rod type lens array 140 in the second sensor portion 102 clips transport road
Footpath 30 and opposed with the second light conductor light source 120.Additionally, the second rod type lens array 140 makes from second
Light conductor light source 120 irradiates and the transmission light of bank note BL (hereinafter referred to as " the second transmission light ") is
Imaging in two line sensors 160.Additionally, the second transmission light received is become by the second line sensor 160
It is changed to the signal of telecommunication and is sent to control portion 70.
In the present embodiment, bank note BL is equivalent to the paper in technical scheme, paper money identifier
10 are equivalent to the sheet paper identification device in technical scheme.Additionally, the first light conductor light source 110 is equivalent to
The first light source portion in technical scheme, the second light conductor light source 120 is equivalent to the second light in technical scheme
Source portion, First Line sensor 150 is equivalent to the first sensor in technical scheme, the second line sensor 160
Being equivalent to the second sensor in technical scheme, transport path 30 is equivalent to the delivery section in technical scheme.
A-2. the molar behavior of paper money identifier 10
Fig. 4 is the axonometric chart that the bank note BL situation by optical pickocff portion 100 is described.Know about bank note
The molar behavior of other device 10, illustrates with reference to Fig. 1 and Fig. 4.In the present embodiment, bank note
BL becomes long side direction with X-direction, and Y direction becomes the mode of short side direction and is inserted into paper money recognition
In device 10.Additionally, bank note BL exists with the state facing to vertical top with dynamic security line M
Carry on transport path 30.It addition, bank note BL can also become short side direction, Y-axis side with X-direction
It is inserted into the mode becoming long side direction and carries.
If bank note BL is inserted into paper money identifier 10, then inserts detection sensor 20 and detect bank note BL
Insertion.Insert detection sensor 20 and send the signal representing insertion detection, control portion to control portion 70
70 send same signal to the control portion of not shown higher device (ATM).The control of higher device
Portion processed makes actuating device 40 drive by the driving motor having inside higher device, thus conveying roller
50 rotate.Rotated detection portion 60 detects the rotation of conveying roller 50, sends expression to control portion 70 and rotates spy
The signal surveyed.If control portion 70 receives the signal representing rotated detection from rotated detection portion 60, then will
The light source igniting signal Tong Bu with the rotation of conveying roller 50 and line sensor drive signal to be sent to optics
Sensor portion 100.Thus, the first light conductor light source 110 and the second light conductor light source 120 are lighted, and
First Line sensor 150 and the second line sensor 160 drive.
First light conductor light source 110 and the second light conductor light source 120 are to conveying on transport path 30
Bank note BL irradiates light respectively.Irradiate from the first light conductor light source 110 and transmission bank note BL first saturating
Penetrate light and be imported into the first rod type lens array 130, accepted by First Line sensor 150.First Line senses
The the first transmission light received is transformed to the signal of telecommunication and sends to image production part 71 by device 150.With
Sample, irradiates from the second light conductor light source 120 and the second transmission light of transmission bank note BL is imported into second
Rod type lens array 140, is accepted by the second line sensor 160.Second line sensor 160 will receive
Second transmission light is transformed to the signal of telecommunication and sends to image production part 71.Image production part 71 is based on first
The signal of transmission light and generate the first image, signal based on the second transmission light and generate the second image.
Figure stricture of vagina identification part 72 identifies and comprises the most respectively in the first image generated and the second image dynamically
The icon of the regulation that safety line M is had.Determine portion 73 recognition result based on figure stricture of vagina identification part 72,
Determine with or without dynamic security line M.About the determination with or without dynamic security line M, in Figure 11 described later in detail
Carefully illustrate.The presence or absence being determined by the dynamic security line M that portion 73 determines is used for bank note BL's
Identification.Specifically, such as, however, it is determined that for there is no dynamic security line M, be then judged to bank note
BL is counterfeit money.Additionally, if it is determined that for there being dynamic security line M, then to possess other conditions (with aftermentioned
The relevant condition etc. of thickness) premised on and be judged to it is genuine note.
The thickness of the bank note BL that thickness transducer 80 detection is carried.If bank note BL is by thickness transducer 80
In a pair metal roll clamp, then among a pair metal roll be positioned at transport path 30 vertical on
The metal roll of side moves up and down according to the thickness of bank note BL.By moving down in metal roll
Dynamic, thus metal roll and metal roll vertical above coil between distance change,
The electric current that coil midstream is crossed changes.The current transformation that coil midstream is crossed by thickness transducer 80 is letter
Number and send to control portion 70.Control portion 70, based on the signal received from thickness transducer 80, calculates
The thickness of bank note BL.(whether the thickness of the bank note BL calculated by control portion 70 be used for number and to judge
Multiple bank note BL overlaps carry) and the identification (whether being the thickness specified) of bank note BL.
A-3. light path
Fig. 5 and Fig. 6 is the profile that the light path in the first light conductor light source 110 is described.Fig. 5 represents with X
-Z plane cuts off cross section during the first light conductor light source 110.Fig. 6 represents with Y-Z plane cut-out first
Cross section during light conductor light source 110.In figure, the arrow shown in dotted line represents from two LED113 irradiations
Light arrives the light path till scattered reflection coating 112 by light conductor 111.Arrow shown in solid in figure
Represent the light that reflected by scattered reflection coating 112 by light conductor 111 till convex surface 111t injection
Light path.Light owing to irradiating from two LED113 is dissipated by the scattered reflection coating 112 of light conductor 111
Penetrate reflection, so becoming scattered light and penetrating from convex surface 111t." scattered light " means from multiple injection points
The light penetrated to various directions.Penetrate as it is shown in figure 5, scattered reflection coating 112 forms reflection the multiple of light
Go out a little.
Fig. 7 is to illustrate from the first light conductor light source 110 showing to the light path in the case of bank note BL irradiation light
It is intended to.In the drawings, light is irradiated in the face with dynamic security line M among the surface of bank note BL.Figure
In arrow represent light path.The scattered light irradiated from the first light conductor light source 110 is incident to from various directions
Microlens array M2.Afterwards, the light reflected by microlens array M2 is advanced to various directions, shines
The surface penetrating printing image M1 is overall.Now, do not have due to the position of the regulation in printing image M1
Imaging, in First Line sensor 150, icon does not has imaging.Thus, in the first image, do not wrap
The icon of the regulation that the line M containing dynamic security is had.
Fig. 8 is to illustrate to irradiate the light path in the case of light from the second light conductor light source 120 to bank note BL
Schematic diagram.In the drawings, light is irradiated in the face without dynamic security line M among the surface of bank note BL.
If bank note BL's is just identical with the direction shown in Fig. 7 with anti-direction, then the second light conductor light source 120 to
Light is irradiated in the face without dynamic security line M in bank note BL.Arrow in figure represents light path.From
The scattered light that two light conductor light sources 120 irradiate is incident to bank note BL (printing image M1) from various directions.
Afterwards, the light of transmission printing image M1 is reflected by microlens array M2, bar-shaped by second
Lens array 140 arrives the second line sensor 160.Light is reflected by microlens array M2, thus second
Icon (in the drawings, the circular icon) imaging of regulation in line sensor 160.Thus, at the second figure
In Xiang, comprise the icon of the regulation that dynamic security line M is had.
Fig. 9 is the explanatory diagram of the example representing the first image.Figure 10 is the saying of example representing the second image
Bright figure.As it is shown in figure 9, in the first image, do not comprise the figure of the regulation that dynamic security line M is had
Mark.On the other hand, as shown in Figure 10, in the second image, comprise what dynamic security line M was had
The icon (in the drawings, circular icon) of regulation.Like this, the first image and the second image are having
Without mutually different on icon.
In the present embodiment, it is inserted into paper money identifier at bank note BL with positive and negative contrary state
In the case of 10, the first image comprises the icon of the regulation that dynamic security line M is had,
Two images do not comprise the icon of the regulation that dynamic security line M is had.More than according to, at the first figure
In the case of only one party among picture and the second image comprises the icon of regulation, it is possible to be defined as bank note
BL has dynamic security line M.
A-4. with or without the determination of dynamic security line M
Figure 11 is the flow chart representing the process determining the process with or without dynamic security line M.Know at bank note
In other device 10, after power on, perform to determine the process of dynamic security line M.Control portion 70 base
In the result of detection inserting detection sensor 20, it is determined that whether bank note BL is inserted into paper money identifier
10 (steps S205).It is being judged to (step S205: "Yes") in the case of bank note BL is inserted into, control
Portion 70 processed makes conveying roller 50 rotate, and makes the first light conductor light source 110 and the second light conductor light source 120 point
Bright, make First Line sensor 150 and the second line sensor 160 drive (step S210).It addition, by
In each detailed process processed of step S210, " entirety of A-2. paper money identifier 10 is moved with above-mentioned
Make " described in process identical, so omit detailed description.
Light is irradiated to bank note BL in optical pickocff portion 100, and accepts transmission bank note by line sensor
The transmission light (step S215) of BL.Image production part 71 is saturating based on first in First Line sensor 150
Penetrate the light of light and generate the first image (step S220).Image production part 71 is based on the second line sensor
The light of the second transmission light in 160 and generate the second image (step S225).
Figure stricture of vagina identification part 72 identifies that whether comprising dynamic security line M in the first image generated is had
The icon (step S230) of some regulations.(step in the case of being identified as the icon comprising regulation
S230: "Yes"), figure stricture of vagina identification part 72 identifies whether comprise dynamic security in the second image generated
The icon (step S235) of the regulation that line M is had.On the other hand, it is being identified as generated
In the case of one image does not comprise the icon of the regulation that dynamic security line M is had (step S230:
"No"), figure stricture of vagina identification part 72 also identifies whether comprise dynamic security line M in the second image generated
The icon (step S240) of the regulation being had.
Step S235 is identified as do not comprise in the case of the icon of regulation (step S235: "No"),
Only one party among the first image and described second image comprises the icon of regulation.Accordingly, it is determined that
Portion 73 is defined as bank note BL and has dynamic security line M (step S250).Equally, in step S240
In the case of being identified as the icon comprising regulation (step S240: "Yes"), also at the first image and second
Only one party among image comprises the icon of regulation.Have accordingly, it is determined that portion 73 is defined as bank note BL
Dynamic security line M (step S250).
In the case of being identified as the icon comprising regulation in step S235 (step S235: "Yes"),
Any one of first image and the second image all comprises the icon of regulation.Accordingly, it is determined that portion 73 is true
It is set to bank note BL and not there is dynamic security line M (step S245).As at the first image and the second figure
Any one of picture all comprises the situation of the icon of regulation, it is contemplated that bank note BL does not have microlens array
M2, even and if regulation icon in the way of not having microlens array M2 also to be able to determine, be printed on paper
Situation on coin BL.
Step S240 is identified as do not comprise in the case of the icon of regulation (step S240: "No"),
The icon of regulation is not the most comprised in any one of the first image and described second image.Therefore,
Determine that portion 73 is defined as bank note BL and does not have dynamic security line M (step S255).As at the first image
And any one of described second image does not the most comprise the situation of the icon of regulation, it is contemplated that bank note BL
Not there is 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, at the first image and the second figure
In the case of only one party among Xiang comprises the icon of regulation, it is defined as bank note BL and there is dynamic security
Line M, it is possible to improve the determination precision with or without dynamic security line M.That is, having according to icon
Without and in the case of two images become mutually different image, be defined as bank note BL and there is dynamic security
Line M, so compared with the method that the position of the icon in two images is compared, it is possible to increase
Determination precision with or without dynamic security line M.
Owing to bank note BL carries at a high speed in paper money identifier 10 continuously thus it is prone to produce bending
Or position deviation, so in the method that the position of the icon in two images is compared, need
Consider the position deviation during conveying of bank note BL.But, at the paper money identifier 10 of present embodiment
In, the difference that presence or absence based on icon is the clearest and the most definite determines with or without dynamic security line M, so being not required to
The position deviation during conveying of bank note BL to be considered.Therefore, it is possible to easily carry out image procossing, energy
Enough reduce the load of paper money identifier 10, furthermore it is possible to promptly determine with or without dynamic security line M.
Lead additionally, be attached with the light conductor of scattering object by use as the first light conductor light source 110 and second
Body of light light source 120, it is possible to simplify apparatus structure.And then, due to the first light conductor light source 110 and
Two light conductor light sources 120 all irradiate scattered light, it is possible to positive and negative unrelated with the bank note BL being inserted into
Ground determines with or without dynamic security line M.That is, have dynamic security line M facing to above vertical and
In any one of situation about carrying and situation about carrying towards vertical lower section, can be only one side
Image comprise the icon of the regulation that dynamic security line M is had in the case of, be defined as bank note BL tool
There is dynamic security line M.
About dynamic security line M, it is known that according to tilt bank note BL and it can be seen that the dynamic peace that moves of icon
M is it can be seen that the dynamic security line M of different icon is it can be seen that the dynamic security that floats of icon completely
The dynamic security line M of the various kinds such as line M.In the paper money identifier 10 of present embodiment, base
Determine with or without dynamic security line M in the difference that the presence or absence of icon is the clearest and the most definite, so no matter at bank note
In the case of BL has the dynamic security line M of which kind, dynamic security can be determined accurately
The presence or absence of line M.
B. comparative example
Figure 12 is to illustrate to irradiate the light path in the case of light from point source 310 to bank note BL in comparative example
Schematic diagram.Arrow in figure represents light path.Point source 310 having among the surface of bank note BL
Light is irradiated in the face of dynamic security line M.Rod type lens array 330 makes the transmission light of transmission bank note BL online
Imaging in sensor 350.The light irradiated from point source 310 and reflected by microlens array M2 is being printed
The position imaging of the regulation in image M1.Therefore, in the line sensor 350 opposed with point source 310,
Icon (in the drawings, the circular icon) imaging of regulation.Thus, using point source 310 to bank note
In the image that the face with dynamic security line M among the surface of BL obtains in the case of irradiating light, must
So comprise the icon of the regulation that dynamic security line M is had.It addition, in the structure of comparative example,
The situation of light is irradiated in the face contrary with the face with dynamic security line M among the surface of bank note BL
Under, identically with above-mentioned embodiment, obtained image comprises the icon of regulation.Thus,
In the structure of comparative example, any one of the first image and the second image all comprises the icon of regulation.
Here, in the case of the counterfeit money having printed the icon of regulation at replacement dynamic security line M is used,
In the structure of comparative example, in any one of the first image and the second image, also all comprise the figure of regulation
Mark.Thus, in the structure of comparative example, it may occur that not can determine that in bank note BL with or without dynamically peace
The situation of M completely.
On the other hand, according to the paper money identifier 10 in above-mentioned embodiment, the first light conductor light
Source 110 and the first light conductor light source 110 all irradiate scattered light.Accordingly, with respect to having dynamic security line
The bank note BL of M, comprises in the image of only one side among the first image and the second image as mentioned above
The icon of regulation.Here, the counterfeit money having printed the icon of circle at replacement dynamic security line M is made
In the case of with, in the structure of embodiment, in any one of the first image and the second image all
Comprise the icon of regulation.Thus, according to the paper money identifier 10 of embodiment, it is possible to the most true
Determine in bank note BL with or without dynamic security line M.
C. variation
It addition, the present invention is not limited to above-mentioned embodiment, but comprise various variation.Such as,
Above-mentioned embodiment is the enforcement for ease of understanding the present invention being described and being illustrated in detail
Mode, is not limited to possess illustrated entire infrastructure.Additionally, about the structure of embodiment
A part, it is possible to carry out the adding of other structures, delete, replace.
Additionally, about above-mentioned each structure, function, process portion, processing unit etc., it is also possible to by it
Part or all by be designed the most in integrated circuits etc. and with hardware by the way of real
Existing.Additionally, above-mentioned each structure, function etc. can also be by processor to being used for realizing respective merit
The program of energy is analyzed and performs and realize in the way of software, it is also possible to by the meter outside device
Calculation machine realizes.For realize the information such as the program of each function, table, file can be placed in memorizer,
The recording equipments such as hard disk, SSD (solid state hard disc, Solid State Drive) or IC-card, SD card,
DVD etc. record medium.
Further there is illustrated and think that the control line of necessity, information wire are gone up in explanation, being not limited to must be by product
On control line, information wire all illustrates.It is also assumed that the most substantially all of structure interconnects mutually
Connect.Additionally, in the present invention, concrete following such variation can be comprised.
C-1. variation 1
In embodiments, the first light conductor light source 110 and the second light conductor light source 120 are all to irradiate
The light source of scattered light, but the present invention is not limited to this.Second light conductor light source 120 can also be point source.
About the light path in this structure, described below.Irradiate from the second light conductor light source 120 and incide
The light of bank note BL (printing image M1) is reflected by microlens array M2, by the second rod-shaped lens
Array 140 arrives the second line sensor 160.Light is reflected by microlens array M2, thus at the second line
The icon imaging of regulation in sensor 160.Therefore, in the second image, comprise dynamic security line M institute
The icon of the regulation having.Thus, owing to also being able to obtain and in embodiment according to this structure
The image that two images are identical, it is achieved that the effect identical with the paper money identifier 10 of embodiment.
C-2. variation 2
In embodiments, use be attached with scattering object light conductor (the first light conductor light source 110 and
Second light conductor light source 120) as the light source in optical pickocff portion 100, but the present invention is not limited to this.
The array light source being configured with multiple point source can also be used as the light source in optical pickocff portion 100.This
Outward, in this array light source, multiple point sources can also be along intersecting with conveying direction (Y direction)
Direction arranges.Configuration bit by the dynamic security line M in such structure, with the surface of bank note BL
Put unrelated, it is possible to increase determine the probability with or without dynamic security line M.And then, the first light conductor light
Source 110 and the second light conductor light source 120 can also be the light source comprising multiple light conductor respectively.Additionally,
Can also be using the light obtained by the scatterings such as a point source injection and use lens scatter plate as optics
The light source in sensor portion 100.In the structure shown here, a point source and lens scatter plate are equivalent to technical side
The first light source portion in case and secondary light source portion.I.e., in general, it is also possible to by bank note BL's
The light source portion of surface irradiation scattered light is applied to the paper money identifier 10 of the present invention.
C-3. variation 3
In embodiments, the first light conductor light source 110 possesses two LED113, but the first light conductor
The LED113 that light source 110 possesses can also be one, it is also possible to is more than three.Equally, second lead
The LED113 that body of light light source 120 possesses can also be one, it is also possible to is more than three.Additionally, also
The first rod type lens array 130 and the second rod-shaped lens can be omitted in optical pickocff portion 100
At least one party among array 140.By this structure, also realize the paper money identifier with embodiment
10 identical effects.
C-4. variation 4
In embodiments, line sensor (First Line sensor 150 and the second line sensor are used
160) as the sensor in optical pickocff portion 100, but the present invention is not limited to this.Can also replace
Line sensor and possess area sensor.Pass it addition, line is preferably used from the point of view of the viewpoint of resolution etc.
Sensor, compared with the situation using area sensor, it is possible to improve with or without dynamic security line M further
Determination precision.
C-5. variation 5
In embodiments, each parts constituting optical pickocff portion 100 are (light conductor light source, bar-shaped
Lens array, line sensor) it is configured to shoot the surface entirety of bank note BL, but the present invention does not limits
In this.Can also be configured to shoot the part comprising dynamic security line M of bank note BL.Additionally,
In embodiments, constitute optical pickocff portion 100 each parts using X-direction as long side direction
Configure, but the arbitrary direction intersected with Y direction is carried out configuration i.e. as long side direction
Can, the long side direction of each parts vertically can not also intersect with Y-axis.And then, in embodiments,
The each parts constituting optical pickocff portion 100 are respectively configured along Z axis, but the present invention is not limited to this.
As long as each sensor can accept the light of each light source respectively, then can also be along not vertical with X-Y plane
It is respectively configured on the axle that ground intersects.By such structure, also realize the paper money recognition with embodiment
The effect that device 10 is identical.
C-6. variation 6
In embodiments, conveying roller 50 is by being accepted from higher device by multiple actuating devices 40
(ATM) power thus drive but it also may be set to paper money identifier 10 and there is the power such as motor
The structure in source, is driven by this power source.Additionally, the paper money identifier 10 of embodiment has
Standby thickness transducer 80 but it also may omit 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, it is also possible to apply the present invention to identify other arbitrary papers such as marketable securities
Device.
Claims (6)
1. a sheet paper identification device, determines that paper, with or without dynamic security line, possesses:
First light source portion, the one side among the surface of described paper irradiates scattered light；
First sensor, opposed with described first light source portion, accept from described first light source portion irradiate and
Transmission the first transmission light of described paper；
Secondary light source portion, the another side among the surface of described paper irradiates light；
Second sensor, opposed with described secondary light source portion, accept from described secondary light source portion irradiate and
Transmission the second transmission light of described paper；
Image production part, based on described first transmission photogenerated the first image, based on described second transmission
Photogenerated the second image；
Figure stricture of vagina identification part, identifies and comprises the most respectively in described first image and described second image
The figure stricture of vagina of the regulation that described dynamic security line is had；And
Determining portion, the only one party among described first image and described second image comprises described rule
In the case of fixed figure stricture of vagina, it is defined as described paper and there is described dynamic security line.
2. sheet paper identification device as claimed in claim 1, wherein,
Scattered light is irradiated in described secondary light source portion.
3. the sheet paper identification device as described in claim 1 or claim 2, wherein,
The light source portion irradiating described scattered light comprises the light conductor being attached with scattering object.
4. the sheet paper identification device as described in claim 1 or claim 2, wherein,
The light source portion irradiating described scattered light comprises the array light source being configured with multiple point source.
5. sheet paper identification device as claimed in claim 4, wherein,
Described sheet paper identification device is also equipped with delivery section, and this delivery section is for carrying in the conveying direction
Described paper,
The plurality of point source is arranged along the direction intersected with described conveying direction.
6. determine a paper method with or without dynamic security line, including:
A () one side among the surface of described paper irradiates the step of scattered light；
B () accepts to irradiate in the described step (a) and transmission the first transmission light of described paper
Step；
C () another side among the surface of described paper irradiates the step of light；
D () accepts to irradiate in the described step (c) and transmission the second transmission light of described paper
Step；
(e) light based on described first transmission light and generate the step of the first image；
(f) light based on described second transmission light and generate the step of the second image；
(g) identify comprise the most respectively in described first image and described second image described dynamically
The step of the figure stricture of vagina of the regulation that safety line is had；And
H () only one party among described first image and described second image comprises described regulation
In the case of figure stricture of vagina, it is defined as described paper and there is the step of described 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106204896A true CN106204896A (en) | 2016-12-07 |
| CN106204896B CN106204896B (en) | 2018-11-27 |
Family
ID=55866887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
|---|---|
| JP (1) | JP6204898B2 (en) |
| CN (1) | CN106204896B (en) |
Cited By (2)
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| CN108091033A (en) * | 2017-12-26 | 2018-05-29 | 深圳怡化电脑股份有限公司 | A kind of recognition methods of bank note, device, terminal device and storage medium |
| CN111602178A (en) * | 2018-01-11 | 2020-08-28 | 三菱电机株式会社 | Capacitance detection device and image reading device |
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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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106204896B (en) | 2018-11-27 |
| JP2016071476A (en) | 2016-05-09 |
| JP6204898B2 (en) | 2017-09-27 |
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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. |