CN103903329A - Financial instrument authenticity identification device with front CIS - Google Patents
Financial instrument authenticity identification device with front CIS Download PDFInfo
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- CN103903329A CN103903329A CN201410146440.8A CN201410146440A CN103903329A CN 103903329 A CN103903329 A CN 103903329A CN 201410146440 A CN201410146440 A CN 201410146440A CN 103903329 A CN103903329 A CN 103903329A
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Abstract
The invention belongs to the financial instrument authenticity identification technology, and particularly relates to a financial instrument authenticity identification device with a front CIS. An existing financial instrument authenticity identification device mainly has the defects that mistakes are easily made in the authenticity identification process, authenticity identification efficiency is low, and the authenticity identification speed is low. The financial instrument authenticity identification device comprises a CIS transmission structure and an authenticity identification device. The CIS transmission structure is arranged in front of the authenticity identification device, and comprises two or more CIS tubes and a detection channel. Each CIS tube comprises a CIS light source and a CIS body. A gap for detection and transmission is reserved between the CIS tubes. The upper CIS tube and the lower CIS tube are placed on the different perpendicular lines. The financial instrument authenticity identification device with the front CIS has the advantages that identification accuracy is improved, the identification speed is increased, illegally modified or altered currencies and forged currencies are prevented from flowing into the circulation domain, the property damage is reduced, and the security order of a currency market of a financial system is maintained.
Description
Technical field
The invention belongs to financial document false distinguishing recognition technology, specifically the preposition financial document false distinguishing recognition device of a kind of contact-type image sensor CIS.
Background technology
Contact-type image sensor CIS scanning theory is for to be irradiated to internal light source on object to be scanned by contact-type image sensor, sensor to reflected light sensitization after, change light signal into electric signal, gather image information, become digital data transmission to follow-up equipment through analog to digital conversion circuit again, thus the scanning process of completing.CIS scanning technique is generally used for checkout equipment, for example, for detection of the false distinguishing checkout equipment of the sheet such as banknote finance valuable bills.Along with scientific and technical progress, false making level is also improving constantly, and forges kind also in continuous increase.If financial document false distinguishing recognition device only adopts a certain authentication technique, want to differentiate that all counterfeits are unrealistic.For improving identification result, must adopt the shared pattern of multiple authentication technique, this relates to multiple fields such as machinery, electronics, optics, magnetic, also will take into account standard-required and market cost requirement simultaneously.The authentication technique that general financial document false distinguishing is identified in technical employing has light image discriminating, light characteristic differentiation, magnetic to differentiate and other authentication technique.CIS pipe is mainly used in light image authentication technique, and CIS light source comprises visible ray as ruddiness, green glow etc.; Also comprise invisible light as infrared light, ultraviolet light etc.
The financial document false distinguishing recognition device CIS pipe of prior art is rearmounted, and its shortcoming is: 1. in false distinguishing identifying, easily make mistakes; 2. the efficiency of false distinguishing identification is low, and speed is slow.
Therefore, invent a kind of false distinguishing recognition accuracy high, the fast preposition financial document false distinguishing recognition device of contact-type image sensor of false distinguishing recognition speed is very necessary.
Summary of the invention
The object of the invention is: the accuracy rate that improves false distinguishing identification; Accelerate false distinguishing recognition speed, it flows into the field of circulation to prevent technique of composite-RMB bank note and pseudo-coinage, reduces property loss, safeguards the safe order in financial system money market.
The present invention seeks to realize like this:
The financial document false distinguishing recognition device that contact-type image sensor CIS is preposition, comprises CIS transmission structure and false-identifying device, and CIS transmission structure is arranged on the front of false distinguishing position; CIS transmission structure is managed by two or more CIS and a sense channel forms; Described CIS pipe comprises CIS light source and CIS sensor, leaves for the space of detecting and transmitting between CIS pipe; Described upper and lower CIS pipe is placed on different vertical line.
The light signal that described CIS sensor receives, comprises reflected light signal and optical signal transmissive; Described optical signal transmissive is sent by the transmitted light source being arranged on CIS pipe; Described reflected light signal and optical signal transmissive can gather in timesharing.
Described transmitted light source is arranged on in two CIS pipes, and another CIS pipe is arranged and receives in vertical direction transmission signal.
Technical matters to be solved by this invention is, for protean counterfeit money on the market, provides a kind of false distinguishing recognition accuracy high, the cash inspecting machine that false distinguishing recognition speed is fast.
Main points of the present invention are:
Two CIS pipes and front and back, false distinguishing position are exchanged, guaranteed to leave for the processing time of follow-up false distinguishing abundance.Two CIS pipes point stand in object to be measured both sides, can obtain its two surface information.
Two described CIS sensing stations stagger, and its reflection spot also can be different, so just avoid the error causing because of light transmission.In order to obtain more spectrum picture information, plural CIS pipe can be set, improve distinguishing ability.
Add transmission units simultaneously, make reflected light signal and optical signal transmissive timesharing carry out reception & disposal, for false distinguishing identification provides how effective information.
The present invention compared with domestic and international existing like product, its creativeness be following some:
1, two road CIS sensors detect and have improved correct resolution;
2, CIS pipe is exchanged with other front and back, false-identifying device position, and to guarantee to leave for the processing time of follow-up false distinguishing abundance, multiple discrimination method is collaborative to be identified, reduces False Rate;
3, different CIS pipes allow to be misplaced up and down relieving, can effectively obtain two surface informations that do not interfere with each other impact, and image information collecting working stability carries out;
4, CIS pipe can carry out the transmission reception of reflected light and transmitted light simultaneously, obtains reflectance spectrum and transmitted spectrum, and extra transmission plot data can provide more detailed information for follow-up discriminating, improve distinguishing ability.
Advantage of the present invention is:
1, differentiate that accuracy rate is high;
2, discriminating speed is fast;
3, it flows into the field of circulation can effectively to prevent technique of composite-RMB bank note and pseudo-coinage, reduces property loss, safeguards the safe order in financial system money market.
Accompanying drawing explanation
Fig. 1 is the preposition financial document false distinguishing recognition device CIS transmission structure figure of contact-type image sensor CIS of the present invention;
Fig. 2 is CIS transmission structure side view of the present invention;
Fig. 3 is that in the present invention, object to be scanned passes through CIS transmission structure light reflection, transmission situation map.In figure, be reflection and transmitted ray with the line of arrow.
In figure: 1 is sense channel; 2 is a CIS pipe; 3 is the 2nd CIS pipe; 4 is object to be scanned; 5 is additional transmitted light source.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in Figure 1, disclosed by the invention is a kind of CIS transmission structure, and it is by transmission channel 1, the first contact-type image sensor CIS pipe 2, the second contact-type image sensor CIS pipes 3, and object 4 to be scanned forms.Wherein, a CIS pipe 2 and the 2nd CIS manage 3 positions and stagger up and down, reserve one between the two for the space of detecting and transmitting.Meanwhile, CIS transmission structure is positioned at the forefront of all false-identifying devices, guarantees to leave for the processing time of follow-up false distinguishing abundance.
CIS light source comprises visible ray as ruddiness, green glow etc.; Comprise invisible light infrared light, ultraviolet light etc., differentiate thereby can obtain multispectral image in once transmitting.
Hundred yuan of banknotes of object behaviour people coin to be scanned, enter the space between a CIS pipe 2 and the 2nd CIS pipe 3 by transmission channel 1, wherein a CIS pipe 2 runs into object to be scanned reflection after its light source sends multispectral light, the CIS sensor of the one CIS pipe 2 can receive reflection ray and gather upper surface reflective information, the CIS sensor of the 2nd CIS pipe 3 can receive reflection ray and gather lower surface reflective information simultaneously, and both can be transferred to analog digital A/D circuit by the analog electrical signal after conversion and carry out subsequent treatment.
In addition, in receiving reflected signal, can use time-multiplexed mode, the transmission for the treatment of scanned object detects, and just need to guarantee that another CIS pipe in transmitted light source vertical direction has corresponding CIS sensor to carry out receiving optical signals here.In Fig. 3, on a CIS pipe 2, a transmitted light source is set, after emitting beam, additional transmitted light source runs into object to be scanned transmissive, the CIS sensor of the 2nd CIS pipe 3 can receive transmitted ray, then the analog electrical signal after conversion is transferred to analog digital A/D circuit and carries out subsequent treatment.
Above-described embodiment is only preference of the present invention, is not used for limiting the present invention, all within principle of the present invention, and that does is anyly equal to alternative, modifications and variations, all within protection scope of the present invention.
Claims (3)
1. the preposition financial document false distinguishing recognition device of contact-type image sensor CIS, comprises CIS transmission structure and false-identifying device, it is characterized in that: described CIS transmission structure is arranged on the front of false distinguishing position; CIS transmission structure is managed by two or more CIS and a sense channel forms; Described CIS pipe comprises CIS light source and CIS sensor, leaves for the space of detecting and transmitting between CIS pipe; Described upper and lower CIS pipe is placed on different vertical line.
2. the preposition financial document false distinguishing recognition device of contact-type image sensor CIS according to claim 1, is characterized in that: the light signal that CIS sensor receives, comprises reflected light signal and optical signal transmissive; Described optical signal transmissive is sent by transmitted light source.
3. the preposition financial document false distinguishing recognition device of contact-type image sensor CIS according to claim 2, it is characterized in that: described transmitted light source is arranged on in two CIS pipes, and another CIS pipe is arranged and receives in vertical direction transmission signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146440.8A CN103903329A (en) | 2014-04-14 | 2014-04-14 | Financial instrument authenticity identification device with front CIS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146440.8A CN103903329A (en) | 2014-04-14 | 2014-04-14 | Financial instrument authenticity identification device with front CIS |
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| CN103903329A true CN103903329A (en) | 2014-07-02 |
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| CN201410146440.8A Pending CN103903329A (en) | 2014-04-14 | 2014-04-14 | Financial instrument authenticity identification device with front CIS |
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Cited By (4)
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| CN104331976A (en) * | 2014-10-31 | 2015-02-04 | 苏州保瑟佳货币检测科技有限公司 | Detecting method and device of negotiable securities |
| WO2016037523A1 (en) * | 2014-09-11 | 2016-03-17 | 广州广电运通金融电子股份有限公司 | Banknote recognition method based on sorter dust accumulation and sorter |
| CN107221068A (en) * | 2017-06-23 | 2017-09-29 | 深圳怡化电脑股份有限公司 | A kind of bill false-identifying device and method |
| CN108305378A (en) * | 2017-01-11 | 2018-07-20 | 广州广电运通金融电子股份有限公司 | A kind of image processing method, device and system |
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Application publication date: 20140702 |