CN100573601C - Fake member detecting instrument - Google Patents
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- CN100573601C CN100573601C CNB2005100928228A CN200510092822A CN100573601C CN 100573601 C CN100573601 C CN 100573601C CN B2005100928228 A CNB2005100928228 A CN B2005100928228A CN 200510092822 A CN200510092822 A CN 200510092822A CN 100573601 C CN100573601 C CN 100573601C
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Abstract
The present invention relates to a kind of fake member detecting instrument, it utilizes digital video frequency flow check-up and record security certificate or object, comprising: input block provides user one to select the interface; Processing unit is according to the selection signal controlling luminescence unit that input block sent; Luminescence unit, the light that light source is sent is provided to image-generating unit; And image-generating unit, obtain the image of certificate or object, wherein image-generating unit comprises: low reflection glass plate, cover plate, optical element and imageing sensor.This fake member detecting instrument also comprises display module, shows the image that obtains.This fake member detecting instrument can prevent effectively that the light between fake member detecting instrument inner room and the external environment condition from leaking, the harm that may cause when avoiding light source directly to contact human body, and its built-in by UV, visible light to the light source of multiple different wave lengths such as IR in its small and exquisite fuselage, by the digital video frequency flow check-up and write down the relevant information of certificate, provide safe, real-time and convenient, flexible certificate measuring ability.
Description
Technical field
The present invention relates to the bogusware detection range, particularly a kind of fake member detecting instrument that utilizes digital video frequency flow check-up and record security certificate (secure documents) or object.
Background technology
In recent years, some illegal retailers forge or personation currency and certificate such as passport, I.D. and CD and artistic work etc. in order to obtain illegal profit, with the earning mint of money, have damaged interests of victims, also civil order have been caused bad influence.For this reason, when making certificate, used various technology that certificate is carried out false proof processing.Using making identification markings such as UV ink marks, IR ink marks, watermark is false proof processing means commonly used.These marks must just can manifest under specific visible or invisible light.
In order to check the true and false of certificate, now a lot of places all use detector that certificate is discerned, as length ripple ultraviolet light multi-tester, perhaps multi-functional resident identification card detector etc.With multi-functional resident identification card detector is example, consult Figure 1A and Figure 1B, it can detect new edition Renminbi magnetic security line, built-in magnifier all adopts optical mirror slip, and false-proof functions such as compatible Renminbi, bankbook, passport, Figure 1B are the synoptic diagram that shows the watermark in the Renminbi under the irradiation of UV light.But existing multiple false proof processing means have relative detection method at different anti-counterfeiting characteristics, generally need the light presentation attributes of different instruments with specific wavelength.And the user directly is exposed to IR or UV light source when using existing this detector, like this human body is worked the mischief.In addition, after detecting, also can't preserve the related data that detects certificate.
Summary of the invention
Therefore, the objective of the invention is to provide a kind of fake member detecting instrument that utilizes digital video frequency flow check-up and record security certificate or object at the defective that above-mentioned prior art exists.
For achieving the above object, the invention provides a kind of fake member detecting instrument, utilize digital video frequency flow check-up and record security certificate or object, it comprises: input block is used to provide user one to select the interface; Processing unit is used for the selection signal controlling luminescence unit that sends according to this input block; Luminescence unit is made of a plurality of luminescence components, comprising: send the LED or the fluorescent light of white light, UV light and infrared light, be used for the light that light source sends is provided to image-generating unit; And image-generating unit, be used to obtain the image of detected object, wherein this image-generating unit comprises: low reflection glass plate is used to place this certificate or object; Cover plate is used to cover this low reflection glass plate, in case leak-stopping light; Optical element forms light path part, the light that reflection or refraction luminescence unit send; And imageing sensor, be used to receive the light that optical element transmits, and obtain the image of this certificate or object.This fake member detecting instrument also comprises display module, is used to show the image that obtains.
In addition, the present invention also provides the another kind of fake member detecting instrument that is connected with computer system, utilizes digital video frequency flow check-up and record security certificate or object, and this fake member detecting instrument comprises: input block is used to provide user one to select the interface; Processing unit is used for the selection signal controlling luminescence unit that sends according to this input block; Luminescence unit is made of a plurality of luminescence components, comprising: send the LED or the fluorescent light of white light, UV light and infrared light, be used for the light that light source sends is provided to image-generating unit; And image-generating unit, be used to obtain the detected certificate or the image of object, wherein this image-generating unit comprises: low reflection glass plate is used to place this object; Cover plate is used to cover this low reflection glass plate, in case leak-stopping light; Optical element forms light path part, and the light that reflection or refraction luminescence unit send, and imageing sensor are used to receive the light that optical element transmits, and obtain the image of this certificate or object.This fake member detecting instrument also comprises a high speed connectivity port, is used for being connected with this computer system.
Therefore, fake member detecting instrument of the present invention can prevent effectively that the light between fake member detecting instrument inner room and the external environment condition from leaking the harm that may cause when avoiding light source directly to contact human body.In addition, false wittness detector of the present invention built-in by UV, visible light to the light source of multiple different wave lengths such as IR in its small and exquisite fuselage, by the relevant information of digital video frequency flow check-up and record security certificate or object, provide safe, real-time and random certificate measuring ability.In addition, fake member detecting instrument of the present invention can also redesign suitable light path according to space constraint.
Relevant characteristics and implementation of the present invention, conjunction with figs. is described in detail as follows as most preferred embodiment now.
Description of drawings
Figure 1A and Figure 1B are the synoptic diagram of prior art.
Fig. 2 A to Fig. 2 D is the stereographic map of fake member detecting instrument of the present invention;
Fig. 3 is the block scheme of fake member detecting instrument circuit control of the present invention;
Fig. 4 A to Fig. 4 C is the synoptic diagram that utilizes normal optical and two kinds of IR rayed certificates, demonstration plate shown in it is to be printed by three kinds of different ink markss, when showing by different IR rayed among Fig. 4 B and the 4C, the demonstration plate sees through fake member detecting instrument of the present invention and manifests different images;
Fig. 5 is the control flow chart of processing unit of the present invention;
Fig. 6 is the light path design synoptic diagram of fake member detecting instrument of the present invention; And
Fig. 7 is the synoptic diagram that shows the image that fake member detecting instrument of the present invention obtained on display.
Embodiment
Fake member detecting instrument FDD of the present invention (Forged Document Detector) be a kind of can be under wide wavelength coverage electromagnetic radiation, the various physical parameters of continuous review certificate and the equipment of security feature, these electromagnetic radiation comprise ultraviolet, visible and infrared light, and these light may be that the sightless or direct irradiation people of naked eyes knows from experience and works the mischief.Fake member detecting instrument can use selectable multiple light source examination of document, such as: utilize the white light colour imaging; Utilize UV to produce visible fluorescence imaging; And the visible monochrome image that utilizes the infrared light irradiation time to convert to.Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Consult Fig. 2 A to Fig. 2 D, fake member detecting instrument of the present invention comprises two formants: luminescence unit and image-generating unit, and wherein luminescence unit can be selected a plurality of light sources, and light is provided to image-generating unit, and the imaging unit is used to obtain the image of examine certificate.In addition, this fake member detecting instrument also comprises the selection input block that is used to select light source, and the processing unit of control luminescence unit.According to special action need, fake member detecting instrument can have different structures.For example, fake member detecting instrument can be connected with computing machine by USB (also can be other connection means), and the input-output device of the system that uses a computer operation fake member detecting instrument.This fake member detecting instrument also can utilize built-in display device and as a specific installation.The example that is connected with computing machine with fake member detecting instrument is elaborated to each unit respectively below.
The input block of fake member detecting instrument of the present invention is a fake member detecting instrument control panel 1, as shown in Figure 3.Be provided with 10 buttons that are used to select Different Light on the control panel 1 of present embodiment, wherein, the UV1-UV3 button is used to select to detect the UV light of watermark and safety line, and IR1 and IR2 button are used to select to detect the infrared ray of different ink markss,
Button is used to select to observe the white light under the ordinary ray condition.The F1-F4 button is reserved the function of adding in the future.UV1-UV3 and IR1 are different with the selected light wavelength of IR2.The user is as required by the button on the selected control system panel 1, so that the certificate of examine manifests under the effect of the light of different wave length.Shown in Fig. 4 A to Fig. 4 C, same demonstration plate manifests different images under different illumination conditions, this demonstration plate is to be printed by three kinds of different ink markss, wherein Fig. 4 A is under normal optical, manifest all ink markss, when Fig. 4 B and Fig. 4 C utilized IR1 and IR2 rayed respectively, different ink markss had different IR light absorption characteristics, the demonstration plate sees through fake member detecting instrument of the present invention and manifests different images, and wherein IR2 is different with the wavelength of IR1.
The processing unit of present embodiment fake member detecting instrument comprises 8 MCU and light source selection circuit.Treatment circuit is controlled fluorescent tube power supply changeover device, LED power supply changeover device according to the input signal that input block sends, thereby selects the light source in the luminescence unit, consults Fig. 5, and it illustrates the control flow chart of processing unit of the present invention.In addition, shown in Fig. 2 A to Fig. 2 D, according to the operation of user to the switch 5 of this fake member detecting instrument, this processing unit can also be controlled the opening and closing of fake member detecting instrument.
Luminescence unit of the present invention mainly comprises the luminescence component 9 that light source is provided, and it uses LED, electron tube or other equivalent as light source, and comprises: white light LED, utilize simulation common white luminous environment irradiation certificate; UV fluorescent light and LED utilize the ultraviolet source irradiation certificate of the several choosing wavelengths in the 200nm-400nm scope; And infrared LED, utilize the infrared light supply of the several choosing wavelengths in the 750nm-1000nm scope to shine certificate.The user can pass through fake member detecting instrument control panel 1, selects light source according to actual needs.And the light source of fake member detecting instrument of the present invention is not limited to above-mentioned several, can also add in the luminescence unit according to specific security feature light source and light illumination mode that wavelength is different.
In the present embodiment, can select to use legal medical expert's ultraviolet light source as the UV fluorescent light, to have security feature for example the banknote or the certificate of watermark or safety line detect, these additional clause phosphor materials absorb the UV light of special wavelength and send colored visible fluorescence.In addition, selectable infrared light supply can detect the different ink marks of chemical property that exists in the certificate in the present embodiment.Different materials or chemicals have the different infrared external reflections or the character of absorption.When with the naked eye checking, the ink marks of different chemical preparation can have closely similar visible color.But these ink markss can absorb and reflect the infrared light of the special wavelength of different amounts, thereby show different ink markss.At the fake member detecting instrument of present embodiment, IR light that infrared light supply sends is through image-generating unit, the sightless infrared light image of naked eyes that obtains by imageing sensor 7, and on the computer screen that connects, show as visible monochrome image.
In addition, the present invention also can observe certificate by special-purpose decoding lens when utilizing the certain electric magnetic radiation, show the additional clause specific security features.And, utilizing dismountable decoding lens mounting 4, different decoding lens can in detecting, be installed by certificate as required.
Therefore, fake member detecting instrument of the present invention detects forged certificate by the invisible thin portion of naked eyes under the demonstration normal condition in a continuous manner.To be applied to certificate from the electromagnetic radiation wavelength that usable range is selected, by imageing sensor 7, with invisible feature for example hide Info, security feature, signature change etc. convert detectable mark to.
The image-generating unit of present embodiment will be described below.Consult Fig. 2 A to Fig. 2 D once more, the image-generating unit of present embodiment fake member detecting instrument mainly comprises: low reflection glass plate 2 is used to place the examine certificate; Cover plate 3 is used to cover glass plate, in case leak-stopping light; Decoding lens mounting 4 is used for installing decoding lens (not shown); Optical element 8 forms light path part; And imageing sensor 7, be used to obtain the image of examine certificate.Wherein, low reflection glass plate 2 is fixed in the cover, and shown in Fig. 2 D, it can follow the cover Unscrew to keep in repair.Cover plate 3 is dismountable, and in order to check the certificate of different-thickness, can adjust the position of cover plate 3.When cover plate 3 covers glass plate 2, can prevent effectively that the light between fake member detecting instrument inner room and the external environment condition from leaking the harm that may cause when avoiding light source directly to contact human body.In addition, the decoding lens mounting 4 below cover plate 3 can have multiple design, with ccontaining different special uses decoding lens.
In addition, the optical element 8 of present embodiment is a pair of high-quality reflective mirror, and certificate image light is reflexed to imageing sensor 7.Because reflective mirror is only used in the restriction of the device space in light path.If space condition allows, can also save one or all reflective mirrors.Therefore, fake member detecting instrument of the present invention can redesign suitable light path according to space constraint.In addition, on the mirror surface of this optical element 8, scribble reflecting material subtly, to eliminate " ghost image " effect that anaclasis and total internal reflection can produce.
Consult Fig. 6, it is the light path design synoptic diagram of fake member detecting instrument of the present invention.When the user uses fake member detecting instrument to carry out accreditation check, at first the certificate with examine is placed on the low reflection glass plate 2, if need the decoding lens, then the certificate with examine is placed on the decoding lens, cover cover plate 3 then, select light source by fake member detecting instrument control panel 1, treat that after the luminescence unit startup, illumination light (IR or UV etc.) is just inject in the image-generating unit through glass plate 2, decoding lens (as need) and certificate etc.Under the reflex of reflective mirror 8, reflected light enters imageing sensor 7.When imageing sensor 7 obtains the image of examine certificate, by USB or other high speed connector the image that obtains is sent to computing machine, the user can be by the display examination of document in the computer system, as shown in Figure 7, the information of obtaining can also be stored, processing such as data transmission.The imageing sensor 7 that uses in the present embodiment is cmos image sensors of the plain resolution of hundred everythings, has fixed fix-focus lens 10 therein, is used to obtain the image of examine certificate.This imageing sensor 7 can also be ccd image sensor or other equivalent, and its resolution depends on actual application and budget, uses the high more sensor of resolution, just can make the examine feature amplify greatly more.Fix-focus lens 10 in the imageing sensor 7 is the high quality lens of allowing that infrared ray and UV light penetrate, and utilizes spacing focusing or automatic focusing mechanism, also zoom lens so that optical zoom function to be provided.
In addition, also comprise at fake member detecting instrument of the present invention: switch 5 is used to open or close fake member detecting instrument; And USB or other high speed connector and power connector 6, be respectively applied for fake member detecting instrument is connected with computing machine, perhaps be connected with power supply.Understand easily because these assemblies all are those skilled in the art, just do not elaborate here.
Certainly, fake member detecting instrument of the present invention also can be configured to specific installation, be used to like this show that the assembly with data storage just is set at fake member detecting instrument inside, and image-generating unit will be connected with these assemblies and processing unit.In addition, this fake member detecting instrument also can use with other recognition system such as special use decoding lens, and flexible extended function is provided.
According to as can be known above-mentioned, utilize the certificate recognition capability of fake member detecting instrument of the present invention, can carry out instant and convenient, flexible inspection and record security certificate or object.By amplifying certificate, show chemical property is different in the certificate ink marks and showing printed safe fluorescent characteristics etc., detect and forge, be modified or imitated certificate by the UV light source.And fake member detecting instrument of the present invention can be applicable to any places that need examination of document such as customs's management, public security patrol, bank, cashier.
Previous embodiment only is exemplary, is not limited to the present invention.It will be understood by those skilled in the art that and to make various modifications and change in the present invention.Thereby the present invention is intended to cover the modifications and variations of the present invention that fall within claims and the equivalent scope thereof.
Claims (32)
1, a kind of fake member detecting instrument utilizes digital video frequency flow check-up and record security object, and it comprises:
Input block is used to provide user one to select the interface;
Processing unit is used for the selection signal controlling luminescence unit that sends according to this input block;
Luminescence unit is made of a plurality of luminescence components, comprising: send the LED or the fluorescent light of white light, UV light and infrared light, be used for the light that light source sends is provided to image-generating unit; And
Image-generating unit is used to obtain the image of detected object, it is characterized in that,
This image-generating unit comprises:
Cover plate is used to cover low reflection glass plate, in case leak-stopping light;
Low reflection glass plate is used to place this object;
Optical element forms light path part, the light that reflection or refraction luminescence unit send; And
Imageing sensor is used to receive the light that optical element transmits, and obtains the image of this object;
This fake member detecting instrument also comprises display module, is used to show the image that obtains.
2, fake member detecting instrument as claimed in claim 1, wherein this input block is a control panel, which is provided with a plurality of buttons that are used to select Different Light.
3, fake member detecting instrument as claimed in claim 1, wherein this processing unit comprises microprogram control unit and light source selection circuit.
4, fake member detecting instrument as claimed in claim 1, wherein this UV fluorescent light adopts legal medical expert UV light source.
5, fake member detecting instrument as claimed in claim 1, wherein this image-generating unit also comprises decoding lens mounting, between this low reflection glass plate and this cover plate, is used for installing the decoding lens.
6, fake member detecting instrument as claimed in claim 5, wherein this decoding lens mounting is dismountable, so that different decoding lens to be installed as required.
7, fake member detecting instrument as claimed in claim 1, wherein this low reflection glass plate is fixed in the cover, and it can follow the cover Unscrew to keep in repair.
8, fake member detecting instrument as claimed in claim 1, wherein this cover plate is dismountable, with when detecting the certificate of different-thickness, can adjust the position of cover plate.
9, fake member detecting instrument as claimed in claim 1, wherein this optical element is a pair of reflective mirror, wherein said a pair of reflective mirror is used to reflect light to this imageing sensor.
10, fake member detecting instrument as claimed in claim 9 wherein scribbles reflecting material on the mirror surface of this optical element, produce reflection or refraction to avoid light when passing reflective mirror, and influence the sharpness of imaging.
11, fake member detecting instrument as claimed in claim 1, wherein this imageing sensor is cmos image sensor or ccd image sensor.
12,, wherein in this imageing sensor, fix a fix-focus lens as claim 1 or 11 described fake member detecting instruments.
13, fake member detecting instrument as claimed in claim 12, wherein this fix-focus lens is the high quality lens of allowing that infrared ray and UV light penetrate.
14, fake member detecting instrument as claimed in claim 1, wherein this imageing sensor comprises spacing focusing or the lens of focusing automatically, or zoom lens.
15, fake member detecting instrument as claimed in claim 1, wherein this fake member detecting instrument also comprises external or built-in memory module, is used to store the relevant information of this image.
16, fake member detecting instrument as claimed in claim 1, wherein said object comprises: certificate.
17, a kind of fake member detecting instrument utilizes digital video frequency flow check-up and record security object, and this fake member detecting instrument comprises:
Input block is used to provide user one to select the interface;
Processing unit is used for the selection signal controlling luminescence unit that sends according to this input block;
Luminescence unit is made of a plurality of luminescence components, comprising: send the LED or the fluorescent light of white light, UV light and infrared light, be used for the light that light source sends is provided to image-generating unit; And
Image-generating unit is used to obtain the image of detected object, it is characterized in that,
This image-generating unit comprises:
Cover plate is used to cover low reflection glass plate, in case leak-stopping light;
Low reflection glass plate is used to place this object;
Optical element forms light path part, the light that reflection or refraction luminescence unit send, and
Imageing sensor is used to receive the light that optical element transmits, and obtains the image of this object;
This fake member detecting instrument also comprises a high speed connectivity port, is used for being connected with computer system.
18, fake member detecting instrument as claimed in claim 17, wherein this input block is a control panel, which is provided with a plurality of buttons that are used to select Different Light.
19, fake member detecting instrument as claimed in claim 17, wherein this processing unit comprises microprogram control unit and light source selection circuit.
20, fake member detecting instrument as claimed in claim 17, wherein this UV fluorescent light adopts legal medical expert UV light source.
21, fake member detecting instrument as claimed in claim 17, wherein this image-generating unit also comprises decoding lens mounting, between this low reflection glass plate and this cover plate, is used for installing the decoding lens.
22, fake member detecting instrument as claimed in claim 21, wherein this decoding lens mounting is dismountable, so that different decoding lens to be installed as required.
23, fake member detecting instrument as claimed in claim 17, wherein this low reflection glass plate is fixed in the cover, and it can follow the cover Unscrew to keep in repair.
24, fake member detecting instrument as claimed in claim 17, wherein this cover plate is dismountable, with when detecting the certificate of different-thickness, can adjust the position of cover plate.
25, fake member detecting instrument as claimed in claim 17, wherein this optical element is a pair of reflective mirror, wherein said a pair of reflective mirror is used to reflect light to this imageing sensor.
26, fake member detecting instrument as claimed in claim 25 wherein scribbles reflecting material on the mirror surface of this optical element, produce reflection or refraction to avoid light when passing reflective mirror, and influence the sharpness of imaging.
27, fake member detecting instrument as claimed in claim 17, wherein this imageing sensor is cmos image sensor or ccd image sensor.
28,, wherein in this imageing sensor, fix a fix-focus lens as claim 18 or 27 described fake member detecting instruments.
29, fake member detecting instrument as claimed in claim 28, wherein this fix-focus lens is the high quality lens of allowing that infrared ray and UV light penetrate.
30, fake member detecting instrument as claimed in claim 28, wherein this imageing sensor comprises spacing focusing or the lens of focusing automatically, or zoom lens.
31, fake member detecting instrument as claimed in claim 17, wherein this high speed connectivity port is a USB port.
32, fake member detecting instrument as claimed in claim 17, wherein said object comprises: certificate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100928228A CN100573601C (en) | 2005-08-22 | 2005-08-22 | Fake member detecting instrument |
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|---|---|---|---|
| CNB2005100928228A CN100573601C (en) | 2005-08-22 | 2005-08-22 | Fake member detecting instrument |
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| CN1920888A CN1920888A (en) | 2007-02-28 |
| CN100573601C true CN100573601C (en) | 2009-12-23 |
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| CN102661937B (en) * | 2012-06-04 | 2014-02-19 | 广东恒立信息科技有限公司 | Anti-counterfeiting detection device and detection method thereof |
| CN103471636B (en) * | 2012-06-06 | 2016-01-27 | 维嘉数控科技（苏州）有限公司 | A kind of flat device of optical detection apparatus |
| CN108593710B (en) * | 2018-06-14 | 2020-02-11 | 湖南大学 | Thermal imaging detection system and method for surface defects of high-reflectivity material |
| CN110138998A (en) * | 2019-05-14 | 2019-08-16 | 威海华菱光电股份有限公司 | Image scan method and imaging sensor |
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