CN101881840B - Device for detecting foreign object in banknote passage - Google Patents
Device for detecting foreign object in banknote passage Download PDFInfo
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- CN101881840B CN101881840B CN 200910140426 CN200910140426A CN101881840B CN 101881840 B CN101881840 B CN 101881840B CN 200910140426 CN200910140426 CN 200910140426 CN 200910140426 A CN200910140426 A CN 200910140426A CN 101881840 B CN101881840 B CN 101881840B
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- banknote passage
- laser beam
- optical sensor
- foreign object
- same tone
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Abstract
The invention discloses a device for detecting a foreign object in a banknote passage, which comprises a laser light source, a first light sensor and a second light sensor. The laser light source is arranged on a first side and used for emitting a coherent laser beam towards a second side. The first light sensor is arranged on the second side and used for receiving the coherent laser beam and judging the intensity of the coherent laser beam. The second light sensor is arranged on one of a top side and a bottom side, when the foreign object is in the banknote passage, the intensity of the coherent laser beam received by the first light sensor is weakened by the obstruction of the foreign object, and the second light source detects at least partial coherent laser beam reflected, refracted, diffracted or scattered by the foreign object at the same time.
Description
Technical field
The present invention is relevant for a kind of pick-up unit, espespecially a kind of detection device for foreign matter that is used in banknote passage.
Background technology
Because the development of science and technology, the modern stresses rapidly and convenience more, and therefore many public places are provided with the automated transaction machine, for example: convert coin or convert paper money machine, vending machine, booking machine or deposit/drawings machine.Yet; because setting up, above-mentioned machine places unwatched place; therefore for anti-fraud, above-mentioned automated transaction machine often can be equiped with the bill identification system in order to the identification bill true and false, and prevents that unworthy user from stealing the anti-theft arrangement of machine intimate bill.
Wherein to steal mode be that fine rule is sticked on the bill to a kind of common bill, and in bill inserts the banknote passage of transaction machine and by after the true and false identification, system namely can be considered as these data valid data and be recorded in back-end server.Unworthy user then can outwards pull the mode of this fine rule by this and the bill that inserts is extracted out this moment, that is be commonly called as angle paper money.If machine is equiped with detection device for foreign matter in banknote passage, then can whether link the foreign matters such as fine rule is arranged in order to test paper paper money rear, and cut off fine rule with corresponding device or cut off the power supply in the very first time, with prevent unworthy user with bill by drawing back in the machine.
Present detection device for foreign matter on the market, roughly be arranged in the banknote passage between bill insert port and the cash box, it utilizes a light emitting diode as light source, the irradiation banknote passage emits beam after bill is by banknote passage, and detect the light that light emitting diode sent and whether interdicted by foreign matter with a pair of optical sensor that should light emitting diode, whether there is foreign matter to exist in the banknote passage to judge.
Yet because existing detection device for foreign matter has certain resolution limit, the fine rule that Chang Wufa effectively detects minimum wire diameter exists.Therefore, be necessary to develop a kind of detection device for foreign matter that can further improve resolution limit, to stop the generation of this type of burglar.
Summary of the invention
Described in view of prior art, a purpose of the present invention is to provide a kind of device for detecting foreign object in banknote passage, can have better resolution, with existing of the foreign matters such as fine rule that detect less wire diameter.
Device for detecting foreign object in banknote passage of the present invention, be arranged in the bill proof machine, whether in order to there to be foreign matter to exist in the banknote passage that detects this bill proof machine, wherein this banknote passage has a top side, a bottom side, and about relative one first side and one second side.This device for detecting foreign object in banknote passage comprises a LASER Light Source, one first optical sensor, and one second optical sensor.This LASER Light Source is placed in this first side, in order to launch a same tone laser beam towards this second side.This first optical sensor is placed in this second side, in order to receive this same tone laser beam and to judge the intensity of this same tone laser beam.This second optical sensor is placed in a wherein side of this top side and bottom side, for this reason, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and this second optical sensor can detect at least part same tone laser beam of one of them via this foreign matter reflection, refraction, diffraction or scattering simultaneously.
Another kind of device for detecting foreign object in banknote passage of the present invention, be arranged in the bill proof machine, whether in order to there to be foreign matter to exist in the banknote passage that detects this bill proof machine, wherein this banknote passage has a top side, a bottom side, and about relative one first side and one second side.This device for detecting foreign object in banknote passage comprises a LASER Light Source, a reverberator, one first optical sensor, and one second optical sensor.This LASER Light Source is placed in this first side, in order to launch a same tone laser beam towards this second side.This reverberator is placed in this second side, in order to receiving this same tone laser beam, and this same tone laser beam is reflected back this first side.This first optical sensor is placed in this first side, in order to receive this same tone laser beam that reverberator is reflected back and the intensity of judging this same tone laser beam.This second optical sensor is placed in a wherein side of this top side and bottom side, for this reason, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and this second optical sensor can detect at least part same tone laser beam of one of them via this foreign matter reflection, refraction, diffraction or scattering simultaneously.Effect of the present invention is, device for detecting foreign object in banknote passage of the present invention can send the LASER Light Source of same tone laser beam as the light source that detects foreign matter by one, and by the second optical sensor that is placed in bottom base or be placed in the 3rd optical sensor of top base, the resolution of whole detection is effectively promoted, there is the generation that can prevent that this type of from angling the paper money burglar to advance a Walk with the foreign matters such as fine rule that detect minimum wire diameter.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the major part solution figure of the first preferred embodiment of device for detecting foreign object in banknote passage of the present invention;
Fig. 2 is the thin partial solution figure of the device for detecting foreign object in banknote passage of above-mentioned the first preferred embodiment;
Fig. 3 is the schematic top plan view of the device for detecting foreign object in banknote passage of above-mentioned the first preferred embodiment;
Fig. 4 is the schematic side view of the device for detecting foreign object in banknote passage of above-mentioned the first preferred embodiment;
Fig. 5 is the schematic side view of the device for detecting foreign object in banknote passage of the second preferred embodiment of the present invention;
Fig. 6 is the schematic side view of the device for detecting foreign object in banknote passage of the 3rd preferred embodiment of the present invention;
Fig. 7 is the schematic side view of the device for detecting foreign object in banknote passage of the 4th preferred embodiment of the present invention;
Fig. 8 is the schematic side view of the device for detecting foreign object in banknote passage of the 5th preferred embodiment of the present invention;
Fig. 9 be the 6th preferred embodiment of the present invention device for detecting foreign object in banknote passage on look synoptic diagram;
Figure 10 is the schematic perspective view of the device for detecting foreign object in banknote passage of the 7th preferred embodiment of the present invention;
Figure 11 is the schematic perspective view of the device for detecting foreign object in banknote passage of the 8th preferred embodiment of the present invention;
Figure 12 is the schematic perspective view of the device for detecting foreign object in banknote passage of the 9th preferred embodiment of the present invention.
Wherein, Reference numeral
10 top bases, 24 first optical sensors
12 bottom bases, 26 second optical sensors
14 enter paper money mouth 262 transparent upper covers
16 banknote passages, 264 lens combination
161 top sides, 265 circuit boards
162 bottom sides, 266 optical sensing chips
163 first sides, 30 light beams
164 second sides, 40 fine rules
18 roller units 50 the 3rd optical sensor
100 bills, 60 catoptrons
20 foreign object in banknote passage
Pick-up unit 70 reverberators
22 LASER Light Source
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are done concrete description:
Fig. 1 and Fig. 2 are respectively most solution figure and a thin partial solution figure of device for detecting foreign object in banknote passage of the present invention.This device for detecting foreign object in banknote passage is arranged in the bill proof machine of an automated transaction machine, whether be connected with the foreign matters such as fine rule in order to detection by the bill 100 that the user sends into the bill proof machine, the opaque fine rules such as the kind of this fine rule such as silk thread, linen thread, cotton thread, or the transparent fine rule such as setline.
This bill proof machine consists predominantly of a top base 10 and a bottom base 12, and a device for detecting foreign object in banknote passage 20.Wherein this top base 10 engages with this bottom base 12, and cooperates and to define one and enter paper money mouth 14, and one enter paper money mouth 14 by this and extend internally, and uses the banknote passage 16 that passes through for this bill 100.This banknote passage 16 has a top side 161, a bottom side 162, and about relative one first side 163 and one second side 164.And the rear end of this banknote passage 16 is for being connected to one for the storage device (not shown) of depositing bill 100.
This top base 10 and this bottom base 12 are provided with corresponding a plurality of roller units 18 in respectively, and this roller unit 18 enters the bill 100 that paper money mouth 14 inserts in order to guiding by this, make the bill 100 can be smoothly in 16 transmission of banknote passage.This device for detecting foreign object in banknote passage 20 mainly comprises a LASER Light Source 22, one first optical sensor 24, one second optical sensor 26, and one the 3rd optical sensor 50.
This LASER Light Source 22 is arranged at this first side 163 of this banknote passage 16, and utilizes screwed lock to be fixed in this bottom base 12, detects the required same tone laser beam of foreign matter in order to provide.This first optical sensor 24 is arranged at this banknote passage 16 and regards to this second side 164 of this LASER Light Source 22, in order to receive this same tone laser beam and to judge the intensity of this same tone laser beam.This second optical sensor 26 is arranged at this bottom base 12, i.e. the bottom side 162 of this banknote passage 16.The 3rd optical sensor 50 is arranged at this top base 10, i.e. the top side 161 of this banknote passage 16.
This second optical sensor 26 comprises a transparent upper cover 262, a lens combination 264 and a plurality of optical sensing chip 266 that is placed on the circuit board 265, in order to detect the light beam in the banknote passage 16.The composition of the 3rd optical sensor 50 and assembly thereof are identical with this second optical sensor 26, can be optical sensing subassembly (Photosensor), linear sensing component (linear sensor), optical diode (Photo diode), or contact image sensor (Contact Image Sensor).
Cooperate and consult Fig. 2, Fig. 3 and Fig. 4.Fig. 3 and Fig. 4 are respectively schematic top plan view and the schematic side view of device for detecting foreign object in banknote passage of the present invention.This LASER Light Source 22 can be sent same tone laser beam 30 one, and this same tone laser beam 30 is passed through this banknote passage 16, and is sent to this first optical sensor 24.What need pay special attention to is, because this same tone laser beam 30 has good same tone and collimation, under the situation that is not stopped, it is sent to collimatedly this first optical sensor 24 and can not disperses, so this second sensor 26 or the 3rd sensor 50 can not sense this same tone laser beam 30.
During practical operation, insert bill 100 when the user enters paper money mouth 14 by this, bill 100 can be via this banknote passage 16 that is guided through of this roller unit 18.After bill 100 passed through, if foreign in the banknote passage 16, this first optical sensor 22 can sense a stable light intensity, and this second optical sensor 26 or the 3rd sensor 50 can not sense any light beam.
But, when this bill 100 is adhesive with a fine rule 40 foreign matter such as grade, this bill 100 is by behind this banknote passage 16, this fine rule 40 can be present in this banknote passage 16, the same tone laser beam 30 that this moment, this LASER Light Source 22 was sent can be stopped that by this fine rule 40 light intensity that this moment, this first optical sensor 22 sensed can weaken.
On the other hand, fine rule 40 is in the opaque situation, and then this same tone laser beam 30 can arrive with one of them kind pattern of reflection, diffraction or scattering and be positioned at the second optical sensor 26 of bottom base 12 and the 3rd optical sensor 50 of top base 10.Fine rule 40 is in the transparent situation, and then 30 of this same tone laser beam can be planted pattern with one of them of reflection, refraction, diffraction or scattering and arrived and be positioned at the second optical sensor 26 of bottom base 12 and the 3rd optical sensor 50 of top base 10.
The light intensity that senses when this first optical sensor 24 weakens, and one of them person of this second optical sensor 26 and the 3rd optical sensor 50 is when detecting light beam, and can judge has foreign matter to exist in this banknote passage 16.
It should be noted that, though be provided with simultaneously this second optical sensor 26 and the 3rd optical sensor 50 in this preferred embodiment, during actual enforcement, one of them of this second optical sensor 26 and the 3rd optical sensor 50 also can only be set, also can reach effect of the present invention.
Consult Fig. 5 and Fig. 6 and be respectively the schematic side view of second and third preferred embodiment of device for detecting foreign object in banknote passage of the present invention, roughly identical with this first preferred embodiment.Difference is, changes in addition the path of this same tone laser beam 30 with a catoptron 60, makes this device for detecting foreign object in banknote passage of the present invention applicable to the automated transaction machine of different type of machines.Fig. 7 and Fig. 8 are respectively the schematic side view of the 4th and the 5th preferred embodiment of detection device for foreign matter of the present invention, and be roughly identical with the 3rd preferred embodiment.Difference is, also enters the path that a Walk changes this same tone laser beam 30 with two-mirror 60, makes this device for detecting foreign object in banknote passage applicable to the automated transaction machine of different type of machines.These catoptrons 60 can be prism.
As shown in Figure 9, be the schematic top plan view of the 6th preferred embodiment of device for detecting foreign object in banknote passage of the present invention.Roughly identical with the first preferred embodiment, difference is that this LASER Light Source 22 is placed in this first side 163 equally with this first optical sensor 24, in order to launch a same tone laser beam 30 towards this second side 164.
And, this preferred embodiment also comprises a reverberator 70, be placed in this second side 164, in order to receive this same tone laser beam 30, and this same tone laser beam 30 is reflected back this first side 164, and receive this same tone laser beam 30 that reverberators are reflected back and the intensity of judging this same tone laser beam 30 by this first optical sensor 24 that is placed in this first side 163.This reverberator 70 can be a prism.
Consult the synoptic diagram that Figure 10, Figure 11 and Figure 12 are respectively the 7th, the 8th and the 9th preferred embodiment of device for detecting foreign object in banknote passage of the present invention, roughly identical with the 6th preferred embodiment.Difference is, changes in addition the path of this same tone laser beam 30 with at least one catoptron 60, makes this device for detecting foreign object in banknote passage of the present invention applicable to the automated transaction machine of different type of machines.These catoptrons 60 can be prism.
Comprehensive the above, device for detecting foreign object in banknote passage of the present invention can send the LASER Light Source 22 of same tone laser beam 30 as the light source that detects foreign matter by one, and by the second optical sensor that is placed in bottom base or be placed in the 3rd optical sensor of top base, the resolution of whole detection is effectively promoted, exist with the foreign matters such as fine rule that detect minimum wire diameter, Ke Yi Jin Yi Walk prevents the generation that this type of angles the paper money burglar, really reaches purpose of the present invention.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (19)
1. device for detecting foreign object in banknote passage, be arranged in the bill proof machine, in order to whether there to be foreign matter to exist in the banknote passage that detects this bill proof machine, wherein this banknote passage has a top side, a bottom side, and about relative one first side and one second side, it is characterized in that this device for detecting foreign object in banknote passage comprises:
One LASER Light Source is placed in this first side, in order to launch a same tone laser beam towards this second side;
One first optical sensor is placed in this second side, in order to receive this same tone laser beam and to judge the intensity of this same tone laser beam; And
One second optical sensor, be placed in a wherein side of this top side and bottom side, for this reason, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and this second optical sensor can detect at least part same tone laser beam of one of them via this foreign matter reflection, refraction, diffraction or scattering simultaneously.
2. device for detecting foreign object in banknote passage according to claim 1 is characterized in that, this second optical sensor comprises a lens combination and a plurality of optical sensing chip that is placed on the circuit board and receives this part same tone laser beam via this lens combination.
3. device for detecting foreign object in banknote passage according to claim 1, it is characterized in that, also comprise the 3rd optical sensor that is placed in the opposite side in this top side and the bottom side, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and one of them person of this second optical sensor and the 3rd optical sensor can detect the part same tone laser beam via one of them person of this foreign matter reflection, refraction, diffraction or scattering simultaneously.
4. device for detecting foreign object in banknote passage according to claim 3 is characterized in that, the 3rd optical sensor comprises a lens combination and a plurality of optical sensing chip that is placed in a circuit board and receives this part same tone laser beam via this lens combination.
5. device for detecting foreign object in banknote passage according to claim 1 is characterized in that, the same tone laser beam that this LASER Light Source is sent is launched towards this second side by the reflection of a catoptron.
6. device for detecting foreign object in banknote passage according to claim 5 is characterized in that, this catoptron is a prism.
7. device for detecting foreign object in banknote passage according to claim 1 is characterized in that, this first optical sensor receives this same tone laser beam by the reflection of a catoptron.
8. device for detecting foreign object in banknote passage according to claim 7 is characterized in that, this catoptron is a prism.
9. device for detecting foreign object in banknote passage according to claim 1 is characterized in that, this LASER Light Source is a laser diode.
10. device for detecting foreign object in banknote passage, be arranged in the bill proof machine, in order to whether there to be foreign matter to exist in the banknote passage that detects this bill proof machine, wherein this banknote passage has a top side, a bottom side, and about relative one first side and one second side, it is characterized in that this device for detecting foreign object in banknote passage comprises:
One LASER Light Source is placed in this first side, in order to launch a same tone laser beam towards this second side;
One reverberator is placed in this second side, in order to receiving this same tone laser beam, and this same tone laser beam is reflected back this first side;
One first optical sensor is placed in this first side, in order to receive this same tone laser beam that reverberator is reflected back and the intensity of judging this same tone laser beam; And
One second optical sensor, be placed in a wherein side of this top side and bottom side, for this reason, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and this second optical sensor can detect at least part same tone laser beam of one of them via this foreign matter reflection, refraction, diffraction or scattering simultaneously.
11. device for detecting foreign object in banknote passage according to claim 10 is characterized in that, this second optical sensor comprises a lens combination and a plurality of optical sensing chip that is placed on the circuit board and receives this part same tone laser beam via this lens combination.
12. device for detecting foreign object in banknote passage according to claim 10, it is characterized in that, also comprise the 3rd optical sensor that is placed in the opposite side in this top side and the bottom side, whereby, when a foreign matter is present in this banknote passage, the intensity of the same tone laser beam that this first optical sensor receives can be subjected to stopping of this foreign matter and weaken, and one of them person of this second optical sensor and the 3rd optical sensor can detect the part same tone laser beam via one of them person of this foreign matter reflection, refraction, diffraction or scattering simultaneously.
13. device for detecting foreign object in banknote passage according to claim 12 is characterized in that, the 3rd optical sensor comprises a lens combination and a plurality of optical sensing chip that is placed in a circuit board and receives this part same tone laser beam via this lens combination.
14. device for detecting foreign object in banknote passage according to claim 10 is characterized in that, the same tone laser beam that this LASER Light Source is sent is launched towards this second side by the reflection of a catoptron.
15. device for detecting foreign object in banknote passage according to claim 14 is characterized in that, this catoptron is a prism.
16. device for detecting foreign object in banknote passage according to claim 10 is characterized in that, this first optical sensor receives this same tone laser beam by the reflection of a catoptron.
17. device for detecting foreign object in banknote passage according to claim 16 is characterized in that, this catoptron is a prism.
18. device for detecting foreign object in banknote passage according to claim 10 is characterized in that, this LASER Light Source is a laser diode.
19. device for detecting foreign object in banknote passage according to claim 10 is characterized in that, this reverberator is a prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910140426 CN101881840B (en) | 2009-05-08 | 2009-05-08 | Device for detecting foreign object in banknote passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910140426 CN101881840B (en) | 2009-05-08 | 2009-05-08 | Device for detecting foreign object in banknote passage |
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| Publication Number | Publication Date |
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| CN101881840A CN101881840A (en) | 2010-11-10 |
| CN101881840B true CN101881840B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910140426 Expired - Fee Related CN101881840B (en) | 2009-05-08 | 2009-05-08 | Device for detecting foreign object in banknote passage |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2517983B (en) | 2013-09-09 | 2016-03-16 | Ibm | Security apparatus for an automated teller machine |
| CN103593907B (en) * | 2013-11-08 | 2016-09-28 | 广州广电运通金融电子股份有限公司 | A kind of detection foreign body method |
| GB2552026B (en) | 2016-07-08 | 2020-06-10 | Ibm | Shutter assembly for an automated teller machine |
| US10249150B1 (en) * | 2017-10-03 | 2019-04-02 | International Business Machines Corporation | Security apparatus for an automated teller machine |
| US10109160B1 (en) | 2017-10-03 | 2018-10-23 | International Business Machines Corporation | Shutter assembly for an automated teller machine |
| CN107643549B (en) * | 2017-10-13 | 2024-03-01 | 国能大渡河流域水电开发有限公司龚嘴水力发电总厂 | Non-contact type generator set air gap foreign matter on-line detection alarm structure and alarm method |
| JP7348788B2 (en) * | 2019-09-20 | 2023-09-21 | 東芝テック株式会社 | Post-processing equipment and image forming system |
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| CN2594886Y (en) * | 2003-01-07 | 2003-12-24 | 天津南开戈德软件有限公司 | Detector for foreign article in passage of banknote identifier |
| CN2603461Y (en) * | 2003-01-06 | 2004-02-11 | 吉鸿电子股份有限公司 | Outlet theft-proof device |
| CN2685994Y (en) * | 2004-02-25 | 2005-03-16 | 吉鸿电子股份有限公司 | Antitheft device for paper money slot machine |
| CN1787018A (en) * | 2004-12-06 | 2006-06-14 | 鈊象电子股份有限公司 | Optical identifying apparatus and method |
| CN200956179Y (en) * | 2006-05-25 | 2007-10-03 | 吉鸿电子股份有限公司 | Papermoney detecting device and paper money identifying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603461Y (en) * | 2003-01-06 | 2004-02-11 | 吉鸿电子股份有限公司 | Outlet theft-proof device |
| CN2594886Y (en) * | 2003-01-07 | 2003-12-24 | 天津南开戈德软件有限公司 | Detector for foreign article in passage of banknote identifier |
| CN2685994Y (en) * | 2004-02-25 | 2005-03-16 | 吉鸿电子股份有限公司 | Antitheft device for paper money slot machine |
| CN1787018A (en) * | 2004-12-06 | 2006-06-14 | 鈊象电子股份有限公司 | Optical identifying apparatus and method |
| CN200956179Y (en) * | 2006-05-25 | 2007-10-03 | 吉鸿电子股份有限公司 | Papermoney detecting device and paper money identifying system |
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