WO2007027073A2 - Procede d'identification spectrale d'objets de ressources materielles et dispositif d'identification associe - Google Patents

Procede d'identification spectrale d'objets de ressources materielles et dispositif d'identification associe Download PDF

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Publication number
WO2007027073A2
WO2007027073A2 PCT/MD2006/000004 MD2006000004W WO2007027073A2 WO 2007027073 A2 WO2007027073 A2 WO 2007027073A2 MD 2006000004 W MD2006000004 W MD 2006000004W WO 2007027073 A2 WO2007027073 A2 WO 2007027073A2
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WIPO (PCT)
Prior art keywords
fact
differs
pursuant
item
tag
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PCT/MD2006/000004
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English (en)
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WO2007027073A3 (fr
Inventor
Vladimir Schiliov
Victor Caranfil
Irii Trofim
Galina Vatamaniuc
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Vladimir Schiliov
Victor Caranfil
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Publication of WO2007027073A2 publication Critical patent/WO2007027073A2/fr
Publication of WO2007027073A3 publication Critical patent/WO2007027073A3/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption

Definitions

  • Invention refers to the area of material resources identification.
  • the identification is carried out by obtaining of spectral characteristics and can be used not only in identification of documents, banknotes, seals, person, transport means, liquid, gaseous and powder mediums but also in identification of any other objects.
  • radioactive isotopes are used in this method of identification, but the advantages of using the mixture are not realized in full. Use of only radioactive isotopes is also the disadvantage as it influences on ecological environment.
  • identification method of material resource objects [2] including creation of an isotopic tag, obtaining of its characteristics, and introduction of an isotopic tag in the material resource object and further comparison with documentary characteristic of the material resource object.
  • Identification of identity card is carried out by the way of its irradiation by slow neutron flux and by change the quantity of neutrons absorption, which is linearly connected with the number of isotopes of cadmium or boron.
  • this method requires the wetting and drying of the whole document that is not always acceptable. It is impossible to control the process of identification in field conditions, as it requires using the irradiation system by slow neutrons. This method is not acceptable for identification of liquids, gases and granular substances.
  • a special feature of the proposed method consists in the fact that at least two independent methods of spectral characteristics both from a tag and an object lying in different frequency ranges are used simultaneously. Information about two and more spectral characteristics is processed in the form of multidimensional hologram, but identification of the object is carried out by comparison of multidimensional standard hologram, which stores in the central database on the object (object with a tag) with multidimensional hologram from the object (object with a tag).
  • Multidimensional hologram is processed and presented for comparative analysis in the form of two-dimensional (flat) hologram.
  • Multidimensional hologram is processed and presented for comparative visual analysis in the form of three-dimensional (volume) hologram.
  • Each range of spectral characteristics is assigned a certain colour at information processing and building of a * volume hologram.
  • Each peak of spectral characteristics is assigned colour intensity depending on the height of the peak (or its reference area).
  • spectroscopy in UV of far-infrared and near-infrared regions, emission classical spectroscopy, nuclear absorption spectroscopy, AAS- spectroscopy, NIR-spectroscopy [8], classical molecular and IR-spectroscopy, radiospectroscopy, spectroscopy with the use of atomic nuclear-magnetic and electro-paramagnetic vibrancies and some others [9] are referred to the technologies, which allow to obtain spectral characteristics, besides ⁇ , ⁇ , ⁇ spectroscopy [3-4], and X-ray-fluorescent spectroscopy [5-6] that used for formation of a tag. It is not a complete list of technologies allowing measuring a spectral characteristic from the object. Each of these spectral methods measures a spectral characteristic from the object in a certain frequency band. The processing of this information should lead to the unique spectral picture.
  • identification of the material object can be principally accomplished in three ways:
  • Identification of the material resource is carried out according to spectral characteristics of the object.
  • Identification of the material resource is carried out according to spectral characteristics of the isotopic tag introduced in the object.
  • Identification of the material object is carried out by set of spectral characteristics directly from the object and isotopic tag introduced in the object.
  • the third version is the most powerful, as it allows not only to identify the object, but to include a number of additional information using an isotopic tag, for example, information about crossing the boundary, information about payment of taxes, information about owner of goods (sender, recipient) and so on.
  • this additional information is not included in the object but in the documents accompanying the object that allows the representatives of shadow economy to demonstrate their ingenuity on falsification of paper documents.
  • Example JVsI We shall obtain a stain of irreproducible form in the plane XY ( Figure 1) if we measure spectral characteristics from the material object using two spectral approaches (for example, IR-spectroscopy and X-ray-fluorescent spectroscopy) and lay them on axes of coordinates, for example, X e Y. If each peak of spectral characteristic is assigned its own colour, the stain would be coloured ( Figure 2), but if the height of each peak (or its reference area) to correlate with colour intensity, then a complicated picture of colour stain will be obtained (Figure3). This approach (from Figure 1 to Figure3) visually demonstrates the importance of using the colours and their intensity for information content of the stain. Certainly, it is necessary a specialized software for this presentation.
  • spectral approaches for example, IR-spectroscopy and X-ray-fluorescent spectroscopy
  • Example JVs2 It is possible to build a three-dimensional space using three spectral characteristics. In this case we shall obtain a volume colour figure instead of colour stain at the surface ( Figure 4), which is sometimes called a phase-plane portrait.
  • phase-plane portrait should be composed of maximum energy-divided spectrums. If IR- spectroscopy takes as a basis, it is necessary to supplement a phase-plane portrait with an isotopic tag and so on. If there is an opportunity to use only a single isotopic tag, then a phase-plane portrait is built on the basis of spectral characteristics of two and more isotopes. A tag created on the basis of a single isotope cannot be presented as multidimensional phase-plane portrait. A tag from a single isotope is able to build three-dimensional phase-plane portrait.
  • an isotope can maximally give three types of irradiation: alpha, beta and gamma irradiations. But, as a rule, there are few of them.
  • the scheme of decay is more limited and it is permitted one or two types of irradiation. Therefore, it is necessary four and more various isotopes for building of multidimensional phase- plane portrait of a tag. If there is only one isotope, for example with gamma and beta decay, it is possible to build only two-dimensional phase-plane portrait.
  • holographic presentation of information is a new, more qualitative system approach to information about goods. Any information presented holographically is possible to divide into parts, where any of dedicated parts is able to characterize the object as a whole. There is more deep unity between parts in the world of holography. There is not any unity in usual three-dimensional world.
  • holography which, by its nature, is a three-dimensional (volume) photograph in the three-dimensional world. It is made by the way of taking a photograph from the object, which is illuminated by laser. The photograph looks like senseless alteration of light and dark lines (in our case as consequence of the peaks of spectral characteristics). If to illuminate this alteration by laser, a three- dimensional image of the subject arises.
  • a special feature of the proposed method consists in the fact that creation of an isotopic tag is made by mixing of isotopes according to the law of random numbers, obtaining of its characteristic is carried out by spectral method followed by encoding of spectral characteristics by the way of allocation of information areas.
  • the proposed method is differed in the fact that mixtures of stable isotopes are mainly used in creation of an isotopic tag.
  • the isotope mixtures which are in gas state, are used for identification of gaseous material resources in the process of creation of an isotopic tag.
  • a gaseous isotopic tag is introduced in the gas flow impulsively.
  • the further mixing with a liquid basis, which has high solubility in identified material resource creates an isotopic tag.
  • For identification of fuel oil for example, petrol, preliminary mixing with a liquid basis from fat mixtures creates an isotopic tag.
  • an isotopic tag is created from isotopes being in hard phase with preliminary mixing with a part of the material resource.
  • the introduction of an isotopic tag in the solid granular object of the material resource is combined with the process of loading and unloading or packing.
  • an isotopic tag For identification of the objects of solid material resources, for example, made from metal, an isotopic tag is created by formation in the form of electrode, but introduction of an isotopic tag in the object is carried out in mode of electric (electric-spark) discharge.
  • An isotopic tag is introduced in the material resource object by its location in a high-speed gas-dynamic stream for identification of solid dielectric objects of the material resources.
  • An isotopic tag is introduced in a liquid phase at the stage of its production for identification of paper documents.
  • An isotopic tag is introduced in a liquid dye at the stage of its production.
  • An isotopic tag is introduced in a dye of visually perceived bar code of goods for identification of paper documents.
  • An isotopic tag is introduced in "diving" thread at identification of paper documents.
  • An isotopic tag is introduced in the area of watermark.
  • the creation of an isotopic tag is carried out by addition to the mixture of stable isotopes at least one radioactive isotope; obtaining of spectral characteristic of an isotopic tag is carried out by "information stitching" of spectrums from stable isotopes using mass-spectroscopy and spectrums from radioactive isotopes using ⁇ and ⁇ -spectroscopy.
  • radioactive isotopes are mainly selected the short-living ones permitted to be applied for medical purposes.
  • "Stitching" of spectrums, obtained by different methods from stable and radioactive isotopes is carried out at the stage of encoding of spectral characteristics by their consequent linear combination.
  • the transformation of stable isotope mixture into radioactive state is carried out with a selected part of the material resource; a part of the material resource is homogenized before selection.
  • An isotopic tag is created from a liquid material resource containing isotope mixtures by the way of passing a part of the material resource through the isotopic filter. Spectral characteristics from radioactive part of a tag are obtained in conditions of screening of natural radioactive background and allocation of a sensor inside shielded vessel containing the material resource, which is under investigation.
  • An isotopic tag is mainly formed on the use of stable isotopes.
  • First of all the choice of stable isotopes is stipulated by ecological requirements.
  • a tag formed from stable isotopes is more informational than a tag from radioactive isotopes because of each radioactive isotope has a lot of spectral peaks.
  • stable isotopes it is necessary, first of all, to pay attention to cheaper isotopes, which production has been already mastered in the industrial scale. There is only one insignificant restriction - chemical activity.
  • As the quantity of stable isotope, which is subjected to reliable disclosure are about 10 ⁇ 10 and even ICT 12 grams it can be practically neglected.
  • isotopes of cadmium both in the form of metal and oxide with degree of enrichment 99,95%
  • all isotopes of zinc, zinc oxides, depleted by isotope Zn 54 in the form of powder or pills isotope of silicon -28, isotope of carbon -13 in the form of carbon dioxide with degree of enrichment 99,9%
  • isotope of sulphur -33,-34,-36 in the form of powder isotope of inert gases (xenon and krypton) in the form of high-purity gases and so on.
  • the requirements to degree of purification of a stable isotope can be significantly below than for other technological purposes that will undoubtedly reduce the price of isotopic tag production.
  • An isotopic tag is formed on the basis of isotope mixtures being in gas state at identification of gaseous material resources. This technological requirement is explained by the fact that a tag should be the unique for the whole material resource. If we have a container, for example with inert gas, for identification of the material resource it can be supplemented with an isotopic tag, which is in gas state, better with an isotope of another inert gas. Owing to Brownian motion of molecules, a gaseous isotopic tag evenly moves in the material resource. In this approach any portion of the material resource, taken for analysis, will contain an isotopic tag.
  • a special case is the identification of gas flows moving in a gas pipeline.
  • a feature consists in the fact that a great number of material resources are passed through gas pipelines. It is important to solve this task, especially in transportation of natural gas through the territories of some countries, if the problem of unauthorized selection exists. In this case there is not any need to identify the whole material resource.
  • An impetuous introduction of a gaseous isotopic tag means the supply of controlled amount of isotopic mixture in the gas flow within
  • the periodicity of the tag introduction is mainly depends on concrete situation. It is possible not to introduce a tag for a long period, for example, when the country, where the gas pipeline goes through, is permitted the gas extraction according to quotas of international agreements. The choice of quota by the country allows to control gas the transportation in other countries in future and not to permit unauthorized gas extraction.
  • An isotopic tag can be introduced one time a day or one time per 2-3 hours. Open area is determined by economic considerations: ratio between the cost of an isotopic tag and the cost of natural gas passing through the gas pipeline during the time of two tags introduction. Monitoring possibilities of unauthorized gas extraction from gas pipelines are quite large. An unauthorized selection is simply determined at state level; it is quite another matter - an unauthorized selection at local level.
  • a gaseous isotopic tag can be formed on the basis of absolutely harmless mixtures of stable isotopes, for example, carbonic gas containing C 13 or mixtures of inert gases.
  • the degree of purification of these isotopes cannot be very high. It is enough to find distinctions of natural distribution from isotopes and reliability of taking a signal regarding the tag content. This approach allows reducing the expenses on tag creation.
  • an isotopic tag is preliminary formed in the form of electrode (before formation the electrode is preliminary mixed with an isotopic tag), applying of an isotopic tag on the metal is carried out in mode of electric (electric-spark) discharge.
  • a part of electrode, which contains a tag, is transferred to the material resource in the form of ingot in the process of discharge. It is possible to choose the mode when about 10 ⁇ 2 - 10 ⁇ 3 gram will be transferred.
  • Bar code is the sequence of black and white stripes, which presents the information in the form convenient for reading by computer equipment.
  • bar code coding or symbolisms There are various methods of information coding that are called bar code coding or symbolisms. There are linear and two-dimensional symbolisms. Linear bar-codes (EAN, UPS, Code 128) are read in one direction; they use a small volume of information and they are considered as low-cost scanners.
  • Two-dimensional symbolisms are designed for coding of a great volume of information. They are read by a special scanner of two-dimensional codes and are decoded in two dimensions (horizontally and vertically). Here are the examples of two-dimensional codes: Maxicode, PDF417, Code 49 and so on.
  • an isotopic bar coding takes an intermediate position. By its nature, it is rather two-dimensional bar coding with some reservations. Firstly, decoding is performed not by horizontally and vertically, but by different technologic planes (in spite of the fact that this method allows to apply it as linear bar code), secondly, two-dimensional isotopic bar coding requires that bar code marking on goods or packing would be carried out with utilization of standard technology. There is a little exception.
  • One or some touches can be marked in ink, which contains isotope mixtures. In other words, any visually perceived bar code could be transformed in specialized hidden bar code. In this case it is two- dimensional. For transformation of bar code into two-dimensional mode, a spectral characteristic of isotope mixture is measured from this touch. The information is digitalized and processed by computer.
  • An isotopic mixture can be simply added to the material resource during simultaneous bar coding. This method is especially important when it is not acceptable the application of SMART-technologies, for example.
  • SMART-technologies for example.
  • chips at marking of liquid, gaseous and granular materials. Let us ask some simple questions. Is it possible to reprogram a chip and thus to re-encode goods? It is known that a chip can have the protection systems. In any case the issue of system breaking and chip reprogramming is a matter of time and money.
  • mass-spectrometers have a device for preparation of studied set of isotopes, a source creating an ion beam, mass- analyzer, where the separation of ions occurs according to ionic mass-to-charge ratio as well as ion collector, where an ion current transforms into electric signal.
  • the signal is becoming stronger and more controlled.
  • the mass-spectrometer is supplied by computer system, which holographically builds the dependence of ion current on atomic mass-to-charge ratio.
  • Each of ion current peaks corresponds to its own isotope in this mass-spectrum. The height of each peak is proportional to the isotope content. The form of ionic peak depends on many factors.
  • Instrumentation can be performed with the use of static and dynamic mass- analyzers as well as quadruple, time-of-flight and so on.
  • mass-spectroscopy to register isotopes in the quantity up to 10 ⁇ 13 gram.
  • radioactive isotope Besides stable isotopes it is permitted to use at least one radioactive isotope in the mixture. Using of radioactive isotope for marking of the material resource allows concluding that the issue of environmental safety is a primary task. For withdrawing of the above-named issue it is suggested from radioactive isotopes to use the short-living ones mainly permitted to be applied for medical purposes. Using of short-living radioactive isotopes withdraws a great number of questions. These isotopes are permitted to be air transported; there are no restrictions at the customs. What is interesting about a radioactive isotope or a mixture of radioactive isotopes? Fist of all by its information opportunities.
  • Each radioactive isotope has some spectral peaks, but isotope mixture has a great number of peaks partially overlapping each other.
  • This complex spectral characteristic is easy to divide into separate informational areas. Each area should be correlated with its own information, for example, if it a petrol, it is easy to identify manufacturing plant, brand of petrol and any additional information at the customs if a set of isotope mixtures has been preliminary transmitted to the manufacturing plants.
  • ⁇ or ⁇ spectroscopy is usually used. The ⁇ -spectroscopy is used more often.
  • the devices of ⁇ and ⁇ spectroscopy are also different. Nevertheless, there is something common from information point of view.
  • the information from all spectrums can be considered as the unique information on the material resource.
  • "Stitching" of spectrums obtained by different methods from stable and radioactive isotopes can be carried out both by their consequent linear combination and overlapping.
  • the second approach allows obtaining complex spectral characteristic. If the shift of any area or part of spectrum is used, to reproduce the result of shadow structure is much complicated.
  • Real spectral characteristics of isotopes allow marking from 5 to 15 and more spectral peaks (depending on detector sensitivity and time of registration).
  • Version 1 when the spectrums are in various energy ranges. In this case it is easy to combine them in series; spectral characteristic of isotope mixtures looks as the chain of peaks of both isotopes ( Figure 9).
  • the shift is the simplest method of encoding; it is possible to remove not only the whole spectral characteristic of a separate isotope, but also a separate area or a separate peak. Besides the simplest shifts it is possible to use practically any encryption methods, based, for example, on the same random hashing of separate areas of spectral characteristics and so on.
  • the example of method execution The isotope of gadolinium (parts of spectrum) of ⁇ -irradiation Gd 156 accompanying the capture of slow neutron in gadolinium enriched by isotope Gd 155 is taken as a basis in spectral characteristic of the mixture.
  • Spectral characteristics will be distorted. The peaks will correspond to other energies, which do not conform to the used isotope. The software does not diagnose the use of gadolinium isotope with such informational distortions.
  • the half-life period of short-living radioactive isotopes is chosen according to technological tasks, for example, to the term of passing the customs or period of storage.
  • the half-life period of radioactive isotope is exactly 10 hours at introduction of an isotopic tag on the basis of a mixture of stable and radioactive isotopes. If this tag is introduced in fuel (petrol) at the oil refinery and taking into account the time of delivery of a train with fuel to the boundary (for example 2-3 days) it can be fully confident that this tag will be easy read by devices and the material resource will be identified. After crossing the boundary the signal from a radioactive part of isotopic tag will be read within two days.
  • the half-life period of radioactive isotope with maximum half-life period in this mixture should not, exceed 1/8 technological term of using the material resource.
  • the term of using the material resource is the period starting with introduction of radioactive part of the tag till coming to wholesale depots.
  • the parts of the material resource are homogenized before selection.
  • the stable isotopes are temporary transformed into radioactive state in the process of irradiation of a part of the material resource by neutron flux. First of all it occurs due to the radiation neutron capture by atoms of the tag.
  • the registered neutron resonance conforms to excited atomic state of an isotopic tag.
  • this device is not able to give a measured amount of liquid isotope and, in particular, it cannot create the isotope mixtures.
  • the device [11] containing the reservoirs for storage of isotopic substances, reservoir for ready isotopic tags joined by pipelines mounted with a metering valve and connected with automatic control unit was taken as a prototype.
  • this device can only give isotopes in doses, but it is not intended for mixing and obtaining of an irreproducible isotopic mixture. In principle, this device cannot create an irreproducible tag as an isotopic mixture is made according to the famous action programme, which can be repeated.
  • the proposed isotopic tag device contains the reservoirs for storage of isotopic substances, reservoir for ready isotopic tags joined by pipelines mounted with a metering valve and connected with automatic control unit.
  • the feature of the offered device is in the fact that this device additionally contains the random number generator connected with the control unit and with each metering valve.
  • the second reservoir for ready isotopic tags, which connected with the reservoirs for storage of isotopic substances, is similar to the first one.
  • Each reservoir for storage of isotopes and reservoirs for storage of isotope mixtures are supplied by hermetic compressors, but metering valves are made in the form of gas batchers for production of a gaseous isotopic tag.
  • the metering valves are made in the form of liquid batchers, but mixers for production of a liquid isotopic tag supply reservoirs for isotopic tags.
  • the metering valves are made in the form of granular materials for production of a solid isotopic tag.
  • the device is in the hermetic housing, but the random number generator is supplied by the system of synchronous start by some people.
  • the hermetic housing is supplied by biological defense technologies.
  • the random number generator is in the safe, which is supplied by biological defense.
  • the door of the safe is also supplied by the system of synchronous opening by some people.
  • the safe is beyond the hermetic housing, but a housing and a mettalised part of biological defense are grounded.
  • the device for personal identification and memory block connected with memory blocking mechanism supplies the safe.
  • the device is supplied by a hermetic container-sump connected with the containers for storage of isotope mixtures and circulation pumps.
  • the container-sump is beyond the hermetic housing and it is also supplied by biological defense.
  • the container-sump is supplied by additional reserve pipeline, which connects it with one of the reservoirs for isotope storage.
  • the device is additionally provided by self-contained power supply, which mainly placed in the hermetic housing.
  • the proposed device is presented in Figure 14. It has the reservoir 1 for storage of isotopic substances and the reservoir 2 for ready isotopic tags, which joined by pipelines 3, mounted with a metering valve 4 and connected with control unit 5.
  • the pipelines 3 with metering valves (batchers) 4 are supplied by automated control unit 5.
  • the device additionally has the random number generator 6 connected with control unit 5 and each metering valve 4.
  • the second reservoir 2 for ready isotopic tags, which connected with the reservoirs 1 for storage of isotopic substances, is similar to the first one.
  • each reservoir for storage of isotopic substances 1 and reservoirs for ready isotopic tags are supplied by hermetic compressors 7 ( Figure 15), but metering valves 4 are made in the form of gas batchers.
  • the device for production of a liquid isotopic tag is presented in Figure 16.
  • the metering valves 4 are made in the form of liquid batchers, but mixers 8 supply reservoirs for storage of isotope mixtures.
  • the device for production of an isotopic tag from granular materials is similar to the device for production of a liquid isotopic tag.
  • the hermetic housing 9 is supplied by biological defense 11.
  • the device which random number generator 6 is inside the protected safe 12 supplied by biological defense 13, is presented in Figure 18.
  • the door of the safe 12 is also supplied by the system 14 of synchronous opening by some people.
  • the device provided by a hermetic container-sump 18 connected with reservoirs for ready isotopic tags 2 and circulation pumps 19 presented in Figure 21.
  • the device which container-sump 18 supplied by additional pipeline 21 connecting it with one of reservoirs for storage of isotopic substances 1 presented in Figure 22.
  • the device is additionally provided by self-contained power supply 22, which mainly placed inside the hermetic housing 9.
  • the proposed device operates in the following way.
  • the reservoirs 1 with isotopic substances are coming from a manufacturing department of isotopes (or warehouse of purchased production).
  • the desired factor is a complete identity of these reservoirs 1. It is possible to mix these reservoirs 1 additionally before installation. It will lead to additional "encoding" of ready isotopic tag.
  • the housing 9 is pressurized after loading of the device by reservoirs 1. Having turned two individual keys in the system 10, at least two persons (for greater reliability these two persons can present contending forces in the society and cannot come to an agreement in principle) activate the random number generator 6.
  • the mixing of isotopes is carried out according to the law of random numbers using metering valves 4 and control unit 5.
  • the ready isotopic mixture will have unique and irreproducible spectral characteristics.
  • hermetic compressors 7 The availability of hermetic compressors 7 is explained by the necessity to transfer of gaseous isotopes from reservoirs 1 for storage of isotopic substances into reservoirs for ready isotopic tags 2 at production of gaseous isotopic tag.
  • the compressors 7 must be hermetic that derives from the safety requirements, especially if radioactive isotopes are applied.
  • the mixtures 8 are mounted when a liquid isotopic tag is inside the reservoirs for ready isotopic tags 2. It is necessary for obtaining of an isotopic tag with equally distributed isotopes by volume.
  • the hermetic housing 9 is supplied by radioactive biological defense 11 for environmental safety assurance.
  • the radiation system should be combined. It is better to use a lead coating for protection from ⁇ -irradiation, but for protection from neutron flux — hydrogenous polymeric coating.
  • the main and the most saving element of the device is random number generator 6. That is why it is installed inside the safe 12.
  • the availability of biological defense 13 in the safe is provided in order to avoid errors in electronics from radioactivity. For the avoidance of installation of additional electronic blocks that could "correct" the operation of random number generator 6, the door of the safe 12 is also supplied by the system of synchronous opening 14 by some people.
  • the grounding of a housing 9 and a metallised part of biological defense allows avoiding an influence on operation of random number generator 6 by magnetic fields.
  • the trusted people who formally approved by governing body are only permitted to have an access to the safe 12 (core of installation). It is appropriate to change periodically the list of persons who are permitted to the generator with the purpose to increase the reliability of the system as a whole.
  • the access of trusted persons to the safe 12 is carried out according to the information on biometric characteristics of authorized persons, which stores in the memory block 16.
  • the device 15 for personal identification (it can be based on biometrical facial recognition, iris, fingerprint and so on) compares the characteristics of a coming person with the characteristics in the memory block 16. If these characteristics are identical, the system opens the blocking mechanism 17 of the safe 12. If the random number generator 6 is inside the housing 9, the front door of hermetic housing (it is not shown in the figures) should be protected by a similar way.
  • Blohin I A. Method of x-ray researches, M, 1959.

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Abstract

L'invention porte sur un procédé d'identification spectrale d'objets de ressources matérielles et sur un dispositif d'identification associé. Dans un mode de réalisation, le procédé consiste à utiliser simultanément au moins deux procédés indépendants ayant des caractéristiques spectrales issues à la fois de l'étiquette et de l'objet et situées dans des gammes de fréquence différentes. Des informations relatives à au moins deux caractéristiques spectrales sont traitées sous la forme d'un hologramme multidimensionnel, mais l'identification de l'objet s'effectue par la comparaison de l'hologramme standard multidimensionnel, stocké dans la base de donnée centrale de l'objet (objet avec une étiquette) et de l'hologramme multidimensionnel à partir de l'objet (objet avec une étiquette). Dans un mode de réalisation, le dispositif comprend un générateur de nombres aléatoires relié à l'unité de commande et à chaque soupape de réglage. Le deuxième réservoir adapté à des étiquettes isotopes prêtes à l'emploi, et qui est connecté à des réservoirs à des fins de stockage de substances isotopiques, est similaire au premier.
PCT/MD2006/000004 2005-08-30 2006-08-29 Procede d'identification spectrale d'objets de ressources materielles et dispositif d'identification associe WO2007027073A2 (fr)

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MDA20050249 2005-08-30
MDA20050249A MD3328C2 (ro) 2005-08-30 2005-08-30 Procedeu de identificare spectrală a obiectelor resurselor materiale (variante) şi instalaţie pentru obţinerea mărcii izotopice

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WO2007027073A3 WO2007027073A3 (fr) 2007-07-05

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Cited By (2)

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WO2007027073A3 (fr) 2007-07-05
MD3328C2 (ro) 2007-12-31

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