CN101299283A - Apparatus for exciting and receiving infrared printing ink signal and uses thereof - Google Patents
Apparatus for exciting and receiving infrared printing ink signal and uses thereof Download PDFInfo
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- CN101299283A CN101299283A CNA2008101237659A CN200810123765A CN101299283A CN 101299283 A CN101299283 A CN 101299283A CN A2008101237659 A CNA2008101237659 A CN A2008101237659A CN 200810123765 A CN200810123765 A CN 200810123765A CN 101299283 A CN101299283 A CN 101299283A
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Abstract
The present invention relates to an apparatus exciting and receiving infrared printing ink signal and uses thereof, including a laser emission circuit and a shaping output circuit, wherein, the laser module group of the laser emission circuit is arranged above the article to be identified area containing infrared printing ink, the receiving terminal is arranged beneath the article to be identified, the laser module group is coaxial and confocal to the receiving terminal, the laser beam formed by the laser module group modulation is word line or cross spider, a filtering element is provided between the receiving terminal and the article to be identified, the filtering element is in lightshade buttjunction with the receiving terminal, and signals of the receiving terminal is output by the shaping output circuit. During application, the sensor is mounted in the discriminator, the output of the receiving terminal is respectively connected with genuine-fake indicating lamps and the alarming buzzer through a microprocessor, the opening height of the ingress of the article to be identified of the discriminator is no less than 2cm.
Description
Technical field
The present invention relates to a kind of laser excitation infrared printing ink that utilizes and produce light signal, and receive the device and the application thereof of this light signal, especially a kind of laser beam that forms a word line or cross curve by laser module modulation excites infrared printing ink to produce light signal, and the device of the laser module of Laser emission end and receiving end coaxial confocal and using in Discr..
Background technology
Development along with laser technology, and the utilization of infrared printing ink in false proof field, utilizing the laser infrared printing ink to produce the fluorescent signal is detected by receiving end, extensively applied to real and fake discrimination to bank note, certificate and bill, in the Discr. that uses at present, transmitting and receiving of laser all is the sensor that is " V " font, and the fluorescent signal that the infrared printing ink of laser excitation produces all is to receive by being received termination after the reflection.
CN2745134Y discloses a kind of " testing pseudo-photoelectric commutator ", its luminous chamber and reception cavity are in the shape of the letter V, and optical filter and magnifier are housed in the reception cavity front portion, color filter also is equipped with at the rear portion, luminous chamber and reception cavity formed the debug process difficulty of focus during this photoelectric commutator was not only installed at measured object, and the induced signal that reception cavity is accepted is limited, and magnifier must be set in RX path.
CN1873394A discloses a kind of " laser excitated fluoroscopic detection sensor ", its laser tube becomes 30～60 ° with the measured object plane, have laser tube and detecting device equally, measured object forms the debug process difficulty of focus, and the induced signal that detecting device is accepted is limited.
Adopt the Discr. of above-mentioned two sensors, Φ 1～Φ 2 circular bright spots that laser instrument forms on the infrared printing ink of measured object in the use, need to switch in the inspection pseudoprocess by manual adjustments, make the focus of its focus on infrared printing ink and reception cavity or detecting device identical substantially, could realize the purpose of false distinguishing, in addition, owing to have the gap between measured object and detecting device or the reception cavity, natural light will inevitably produce interference, in order to reduce this interference, the gap of measured object and detecting device or reception cavity is general narrower and small, generally have only 2～3mm, measured object generally can only be in the gap pull, in the use, the operator can't see the round dot of detection substantially, uses and operate all inconveniences.
Summary of the invention
The objective of the invention is to, Φ 1～Φ 2 circular bright spots that the middle laser instrument that the sensor that is " V " font at transmitting and receiving of the laser that generally uses at present exists forms on the infrared printing ink of measured object, need to switch in the inspection pseudoprocess by manual adjustments, and there is the gap between measured object and detecting device or the reception cavity, natural light will inevitably produce interference, because the gap of measured object and detecting device or reception cavity is general narrower and small, generally has only 2～3mm, measured object generally can only be in the gap pull, the user can't see the round dot of detection substantially, use and operate all a series of problems such as inconvenience, a kind of signal transducer and application thereof of new laser excitation infrared printing ink are provided.
The object of the present invention is achieved like this: a kind of also device of receiving infrared printing ink signal that excites, comprise laser transmission circuit and shaping output circuit, it is characterized in that: the laser module of laser transmission circuit places the top that contains the infrared printing ink zone of being differentiated thing, receiving end places the below of being differentiated thing, the laser module of Laser emission end and receiving end coaxial confocal, the laser beam that the modulation of laser module forms is a word line or cross curve, differentiated between thing and the receiving end and be provided with filter element, lucifuge is docked between filter element and the receiving end, and the signal of receiving end is exported by the shaping output circuit.
In the present invention: the word line that described laser module modulation forms or the emission wavelength of cross curve laser beam are 850～1500nm.
In the present invention: described filter element can adopt optical filter or optical filtering group; The filter coating that also can be on the receiving plane of receiving end covers by film coating technique.
A kind of application of telltale of above-mentioned laser excitation infrared printing ink, it is characterized in that: described device is installed in the Discr., the output of receiving end is connected with alarm buzzer with true and false pilot lamp respectively through microprocessor, and the detected material porch open height of Discr. is not less than 2cm.
In an application of the invention: described Discr. is only to carry out the false proof specific discriminator of being differentiated thing at the employing infrared printing ink, or at adopting infrared printing ink and magnetic and/or watermark to carry out the Discr. of false proof quilt discriminating thing simultaneously.
In an application of the invention: in described Discr., the laser module in the laser transmission circuit places the top in the false proof district of infrared printing ink that is differentiated thing, is differentiated the receiving end coaxial confocal of thing below with this.
In an application of the invention: the described thing of being differentiated is for being the bank note of carrier with the paper material, or certificate, or anti-fake bill or anti-counterfeiting mark.
The invention has the advantages that: because a word line of laser head emission or cross curve laser arrive at the top that contains the infrared printing ink zone of being differentiated thing, and with the receiving end coaxial confocal, it is all very convenient to produce assembling; Because the laser beam that the modulation of laser module forms is a word line or cross curve, enlarged sensing range, be easy in the use at the light signal that is formed a word line or cross curve by the infrared printing ink zone of discriminating thing, and received more light signal through being received termination behind the discriminating thing; Owing to differentiated between thing and the receiving end to be provided with filter element, can filtering differentiate the thing natural light through quilt, guarantee that receiving end receives effective light signal that effective infrared printing ink produces; Because lucifuge is docked between filter element and the receiving end, differentiated that thing directly places on the filter element, significantly reduce or avoided the interference of natural light receiving end, because the detected material porch open height of Discr. is not less than 2cm, discriminating person can observe directly the laser excitation infrared printing ink and produce light signal, has overcome present Laser emission and reception and has been the defective that can't observe laser excitation infrared printing ink generation light signal in the sensor use of " V " font.The present invention can be installed in the Discr., and being used for what contain the false proof district of infrared printing ink is bank note, certificate, the anti-fake bill of carrier, the discriminating of anti-counterfeiting mark with the paper material.
Description of drawings
Fig. 1 is the also structural representation of the device of receiving infrared printing ink signal that excites that the present invention relates to;
Fig. 2 is the theory diagram of practical application of the present invention.
Among the figure: 1, laser module, 2, differentiated thing, 3, filter element, 4, receiving end, 5, the shaping output circuit, 6, laser transmission circuit.
Embodiment
As seen from Figure 1: laser module 1 places the top that contains the infrared printing ink zone of being differentiated thing 2, laser module 1 is differentiated receiving end 4 coaxial confocals of thing below with this, differentiated between thing 2 and the receiving end 4 and be provided with filter element 3, lucifuge is docked between filter element 3 and the receiving end 4, the signal of receiving end 4 is by 5 outputs of shaping output circuit, and the laser beam that described laser module 1 modulation back forms is a word line or cross curve.In the present embodiment, the emission wavelength of laser module 1 emitted laser bundle is 980nm.
As seen from Figure 2, in actual applications, the signal of laser transmission circuit 6 is a word line or cross curve by the laser beam that laser module 1 modulation back forms, laser beam excites infrared printing ink to produce the fluorescent signal after arriving at and being differentiated thing 2, described fluorescent signal and natural light all penetrate differentiates that thing 2 arrives at filter element 3, filter element 3 filtering natural lights make effective fluorescent signal arrive at receiving end 4, and through 5 outputs of shaping output circuit.
During concrete enforcement, the word line that the modulation of laser module forms or the emission wavelength of cross curve laser beam are 850～1500nm, and described filter element 3 can adopt optical filter or optical filtering group; The filter coating that also can be on the receiving plane of receiving end covers by film coating technique.
Of the present invention excite and the device of receiving infrared printing ink signal can be installed in the Discr., the output of receiving end is connected with alarm buzzer with true and false pilot lamp respectively through microprocessor, the detected material porch open height of Discr. is not less than 2cm, wherein, described microprocessor can adopt 51 Series chip.
Discr. can be only to carry out the false proof specific discriminator of being differentiated thing at the employing infrared printing ink, also can be at adopting infrared printing ink and magnetic and/or watermark to carry out the false proof Discr. of being differentiated thing simultaneously.During installation, the laser module in the laser transmission circuit places the top in the false proof district of infrared printing ink that is differentiated thing, is differentiated the receiving end coaxial confocal of thing below with this.
Of the present invention excite and the Discr. of the device of receiving infrared printing ink signal can be used for false proof discriminating to the bank note that with the paper material is carrier, certificate, anti-fake bill, anti-counterfeiting mark has been installed.In the use, after a word line or cross curve laser beam arrive at detected bank note, certificate, anti-fake bill, anti-counterfeiting mark, excite the generation light signal if exist, the light signal that receiving end 4 is received connects true (green) signal lamp through 5 outputs of shaping output circuit by microprocessor; Otherwise, then connect pseudo-(redness) signal lamp and alarm buzzer simultaneously, send sound and light alarm.
In view of Laser emission has been the technology of comparative maturity with receiving, in Discr., in the utilization process of the present invention, can adopt ripe laser transmission circuit, and employing and the disclosed shaping output circuit of CN1873394A document.
More than each embodiment be not to concrete restriction of the present invention.
Claims (8)
1, a kind of also device of receiving infrared printing ink signal that excites, comprise laser transmission circuit and shaping output circuit, it is characterized in that: the laser module in the laser transmission circuit places the top that contains the infrared printing ink zone of being differentiated thing, receiving end places the below of being differentiated thing, the laser module of Laser emission end and receiving end coaxial confocal, the laser beam that the modulation of laser module forms is a word line or cross curve, differentiated between thing and the receiving end and be provided with filter element, lucifuge is docked between filter element and the receiving end, and the signal of receiving end is exported by the shaping output circuit.
2, the also device of receiving infrared printing ink signal that excites according to claim 1, it is characterized in that: the word line that described laser module modulation forms or the emission wavelength of cross curve laser beam are 850～1500nm.
3, the also device of receiving infrared printing ink signal that excites according to claim 1, it is characterized in that: described filter element is optical filter or optical filtering group.
4, according to claim 1 exciting and the device of receiving infrared printing ink signal is characterized in that: described filter element is the filter coating that covers by film coating technique on the receiving plane of receiving end.
5, a kind ofly excite and the application of the device of receiving infrared printing ink signal as one of claim 1～4 is described, it is characterized in that: described device is installed in the Discr., the output signal of shaping output circuit is connected with alarm buzzer with true and false pilot lamp respectively through microprocessor, and the detected material porch open height of Discr. is not less than 2cm.
6, according to claim 5 exciting and the application of the device of receiving infrared printing ink signal, it is characterized in that: described Discr. is only to carry out the false proof specific discriminator of being differentiated thing at the employing infrared printing ink, or at adopting infrared printing ink and magnetic and/or watermark to carry out the Discr. of false proof quilt discriminating thing simultaneously.
7, according to claim 6 exciting and the application of the device of receiving infrared printing ink signal, it is characterized in that: in described Discr., laser module in the laser transmission circuit places the top in the false proof district of infrared printing ink that is differentiated thing, is differentiated the receiving end coaxial confocal of thing below with this.
8, according to claim 7 exciting and the application of the device of receiving infrared printing ink signal is characterized in that: describedly differentiated that thing is to be the bank note of carrier with the paper material, or certificate, or anti-fake bill or anti-counterfeiting mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101237659A CN101299283A (en) | 2008-06-03 | 2008-06-03 | Apparatus for exciting and receiving infrared printing ink signal and uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101237659A CN101299283A (en) | 2008-06-03 | 2008-06-03 | Apparatus for exciting and receiving infrared printing ink signal and uses thereof |
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| Publication Number | Publication Date |
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| CN101299283A true CN101299283A (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101237659A Pending CN101299283A (en) | 2008-06-03 | 2008-06-03 | Apparatus for exciting and receiving infrared printing ink signal and uses thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632012A (en) * | 2016-03-03 | 2016-06-01 | 深圳市中钞信达金融科技有限公司 | Method, device and system for bill authenticity identification |
| WO2021258741A1 (en) * | 2020-06-22 | 2021-12-30 | 深圳市中钞科信金融科技有限公司 | Infrared excitation imaging apparatus |
-
2008
- 2008-06-03 CN CNA2008101237659A patent/CN101299283A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632012A (en) * | 2016-03-03 | 2016-06-01 | 深圳市中钞信达金融科技有限公司 | Method, device and system for bill authenticity identification |
| WO2021258741A1 (en) * | 2020-06-22 | 2021-12-30 | 深圳市中钞科信金融科技有限公司 | Infrared excitation imaging apparatus |
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Open date: 20081105 |