WO2001022387A2 - Systeme de controle et procede de controle d'un objet - Google Patents

Systeme de controle et procede de controle d'un objet Download PDF

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Publication number
WO2001022387A2
WO2001022387A2 PCT/DE2000/003333 DE0003333W WO0122387A2 WO 2001022387 A2 WO2001022387 A2 WO 2001022387A2 DE 0003333 W DE0003333 W DE 0003333W WO 0122387 A2 WO0122387 A2 WO 0122387A2
Authority
WO
WIPO (PCT)
Prior art keywords
marking
markings
test system
parts
origin
Prior art date
Application number
PCT/DE2000/003333
Other languages
German (de)
English (en)
Other versions
WO2001022387A3 (fr
Inventor
Christian Ploppa
Original Assignee
Christian Ploppa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Christian Ploppa filed Critical Christian Ploppa
Priority to EP00982922A priority Critical patent/EP1218870A2/fr
Priority to AU19912/01A priority patent/AU1991201A/en
Publication of WO2001022387A2 publication Critical patent/WO2001022387A2/fr
Publication of WO2001022387A3 publication Critical patent/WO2001022387A3/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps

Definitions

  • the invention relates to a test system for testing an object, which consists of at least one part, for its origin from an assumed source of origin.
  • the invention relates to a method for checking an object, which consists of at least one part, for its origin from an assumed source of origin.
  • the repair company entrusted with the corresponding repair can assume that a crankshaft originating from the manufacturing company of the authorized manufacturer assumes that it can be replaced quickly and precisely with the defective crankshaft and that the replaced crankshaft provides the service life desired by the customer.
  • the object of the present invention is therefore to provide a test system for testing an object, with the aid of which objects can be checked for their originality.
  • the object is provided with at least one marking which can be recognized by a recognizer and the marking which is recognized by the recognizer is comparable with features individualizing the source of origin.
  • test system it can be recognized whether the tested objects come from a desired source of origin come. If the marking found on the object does not match the features which are known from a particular source of origin, then it can be recognized from this that the tested object does not come from this source of origin.
  • the object recognized as non-original in this way is discarded and is not used for a specific purpose, for example for carrying out a repair. In this way, indications can be obtained that distribution channels of a particular source of origin are not monitored with the necessary care, so that non-original objects can penetrate into these distribution channels. Corresponding checks of the distribution channel lend themselves in order to be able to assume with the necessary certainty that the items desired in each case have the individual characteristics for a particular source of origin.
  • the object has a first arbitrary marking.
  • This arbitrary marking has the advantage that it is not recognized by a replica who is under the distribution channel and therefore cannot be used to mislead other participants in the distribution channel.
  • the random marking can be generated by a random generator. This ensures that each marking differs from the other markings without the markings being assigned according to a system. The markings specified by a random generator can therefore neither be reproduced nor used by imitators.
  • the object has a further marking, which is taken from a series of continuous markings.
  • a further marking which is taken from a series of continuous markings.
  • the markings are spatially assigned to one another in a predetermined manner.
  • These spatial assignments can vary from object to object.
  • both the markings and their mutual assignment are stored in such a way that it can be traced for each individual object based on the stored data whether it comes from the desired source of origin. Even if, by sheer coincidence, an object is provided with the stored continuous and arbitrary marking, it does not suffice for the qualification of a certain source of origin if the two markings are not in a spatial assignment, which is the third criterion for the origin a certain source of origin must be fulfilled.
  • the markings are printed on the specific object. Measures can be used for printing that are suitable for permanently connecting the printed markings to the object.
  • At least one of the markings is stamped into the object. Embossing techniques can be used that remove the marks from an optical check. In this way, imitators have to take special measures to be able to determine that the parts intended for imitation are subject to protection against imitation.
  • the marking is designed in the form of a bar code.
  • the use of a bar code prevents the fact that the markings used are also transferred to non-original objects.
  • markings can also be made by magnetic changes in the structure of a steel part. Magnetic changes of this type, for example magnetic stripes, can also be found only with difficulty by imitators and their assignments can be reproduced.
  • the marking is stored in a memory of a computer.
  • This storage is advantageously carried out simultaneously with the application of the marking.
  • documentation is available on the manner in which the markings have been applied to the objects.
  • the stored data are available, so that a comparison of the markings recognized by the recognizer with the markings applied to the object is readily possible. This ensures that only if the markings match in terms of their design and assignment did an original object form the basis of the test.
  • the memory can be removed from the computer.
  • the memory can be stored outside the computer in compliance with special security regulations, without a copycat gaining possession of this memory through unfair methods.
  • the computer can remain unchanged in its original place.
  • the recognizer can be used to control an enable signal.
  • the release signal can be an integral part of an automatic checking process, so that intermediate human decisions no longer have to be made.
  • Another object of the present invention is therefore to improve the method of the type mentioned in the introduction in such a way that the objects tested in a corresponding manner offer a certainty that they come from a specific source of origin.
  • the object is provided with at least one marking recognizable by a recognizer, the marking is presented to the recognizer during the test and recognized by the recognizer, and in that the recognized marking is compared with a characteristic individualizing a particular source of origin.
  • This method leads to a high degree of certainty that objects which do not come from the desired source of origin can be distinguished from those which come from this source of origin. This gives the user of the objects the certainty that the objects used by him correspond to the qualifications of the source of origin. He can assume with a high degree of certainty that these objects will meet the requirements placed on them.
  • the detected marking is converted into at least one electrical test signal, which is compared with an electrical detection signal corresponding to the characteristic of the source of origin and an alarm is given if the two signals are not assigned.
  • the method can be largely automated with the desired high level of reliability in terms of recognition fidelity. If electrical signals do not match, an alarm is given in such a way that appropriate intervene in the process and can sort out the objects identified as defective. However, the alarm can also be used directly for control purposes by opening a conveyor path for the part identified as defective, which removes this object from further use in the context of the desired task.
  • the object is provided with an arbitrarily first marking. This arbitrary marking is carefully stored in a memory so that it is recognized again when the object is checked and identifies the object as correct.
  • the random first marking is generated with a random generator and then applied to the object and entered into a memory.
  • the marking imprinted on the object remains unique, so that when comparing the marking with the stored characteristic, it is clear that the object marked in this way comes from the desired source of origin.
  • a continuous second marking is applied to the object, which is also recognized by the recognizer and fed to the computer, which checks the assignment of the first marking and the second marking and, in the event of a deviation, triggers an alarm signal.
  • This double marking which is carried out on the one hand in sequential order and on the other hand arbitrarily, significantly increases the level of security. The security is increased not only by the correspondence of the two markings on the object with the corresponding features that are stored in the memory, but also by the assignment of the two markings that is also stored in the memory.
  • each part has a marking which is different from the other parts and the different markings are in a known relationship of dependency to one another which can be checked for each object.
  • This marking of parts of an object makes it possible to check whether the object is provided with parts that come from a specific source of origin. For this purpose, the marking of a part and its relationship to the other parts is checked. If a part is found in the object that does not have the expected marking or is in a dependency relationship with the other parts that is not specified, it can be assumed that the object is provided with parts that are not original parts from the desired one Source of origin. This statement is linked to considerations that relate to the entire object, for example to its legal possession.
  • the dependency ratio can be varied from object to object.
  • the variation of the markings generating the dependency relationships can be generated by a random generator. This measure ensures that each item can be checked with regard to the origin of its parts.
  • the Erfindu ng is provided at a plurality of parts of an object, each part having a different from the other parts of the object mark * and mark each of the parts then compared with the marking of the other parts, whether the labels of the various Parts belong to a common marking system.
  • the object provided with corresponding parts can be checked as to whether it is provided with original parts or whether it was - possibly illegally - provided with parts that are not subject to the marking system.
  • FIG. 1 a schematic diagram of a car door designed as a spare part, in a side view
  • FIG. 2 a top view of the car door shown in FIG. 1,
  • FIG. 3 a schematic diagram of a system part for applying markings
  • Figure 4 a schematic diagram of a recognizer
  • Figure 5 a schematic diagram of a vehicle with marked parts
  • FIG. 6 shows a schematic diagram of a part designation assigned to the vehicle according to FIG. 5.
  • a test system for testing an object essentially consists of a system part 1 for applying markings 2 and a recognizer 3.
  • the system part 1 is set up in a source of origin, not shown, for example a manufacturing company, while the recognizer 3 is used by an object 4, for example one a car door 5 employing repair shop, not shown, is set up.
  • the system part 1 is composed of a computer 6, which is connected to a random generator 8 via a connecting line 7.
  • This random generator 8 controls, via a control line 9, a marking device 10 which is arranged with a pressure stamp 11 above a roller conveyor 12.
  • Objects 4 to be marked for example a car door 5, can be conveyed under the pressure stamp 11 on this roller conveyor. be changed.
  • the latter moves in the direction of the car door 5 to be marked in the direction of the roller conveyor 12 and introduces one or more markings 2 into the car door 5 with electrodes 13, 14 provided accordingly.
  • At least one of the two electrodes 13, 14 is controlled by the random number generator 8 in such a way that the car door 5 is embossed in accordance with the selection generated by the random number generator 8.
  • This selection can consist of a sequence of digits.
  • the marking 15 can also be designed as a bar code, the line sequence of which is predetermined by the random generator 8. All other markings that are suitable for permanently marking the object 4 are suitable for the production of the marking 2, for example magnetic changes within the steel forming the car door 5 or embossments in a surface of the car door 5. These embossments can be so flat that they are not visible to the naked eye.
  • the control pulse emitted by the random generator 8 to control the pressure stamp 11 is also fed into the computer 6 via the connecting line 7.
  • the latter stores the marker 15 generated by the random number generator 8 in its memory 16.
  • This memory can be removed from the computer 6 and stored in appropriate containers, for example an anti-theft locker. After the memory 16 has been removed, there is no constellation in the computer 6 which is the same as the recording on the memory 16.
  • the marking device 10 can be used to impress a second marking 17 on the object 4 via the other electrode 14.
  • This second marking 17 consists of a continuous sequence of numbers or other impressions, for example a continuous bar code.
  • This second marking 17 is also stored in the memory 16 of the computer 6 via the connecting line 7.
  • the assignment of the two markings 15, 17 to one another can also be determined and stored in the computer 6.
  • Both the second The marking device 10 stores the marking 17 and the assignment of the markings directly into the computer 6 from the marking device 10 via a memory line 18.
  • a step system can be introduced to store the mutual assignment, which is adhered to by the markings 15, 17, the step sizes and number of steps of which are stored in the computer 6 and stored in the memory 16.
  • This step system is predetermined by the electrodes 13, 14, which are mounted so as to be movable relative to one another in the stamp 11.
  • the random marking 15 and its position in the stamp 11 are predetermined by the random generator 8, while the marking device 10 controls the second marking 17 with regard to its continuous marking and its position on the object 4.
  • the markings can also be applied at confusing locations 19, for example in the frame of a door. It is to be determined in detail and stored in the computer 6, where the markings are made and how they are assigned to one another.
  • Detector 3 essentially consists of a reading device 20, which is arranged above a second roller conveyor 21.
  • This reading device 20 has on its underside 22 facing the roller conveyor 21 a layer 23 which is sensitive to the mark 2 applied in each case.
  • This sensitive layer 23 reacts, for example, to markings 2 which are embossed into the surface 24 of the object 4.
  • the sensitive layer 23 is designed such that an electrical pulse is generated in it if, for example, only very small depressions are provided in the area of the markings 2 with respect to the rest of the surface 24.
  • the pulses picked up by the sensitive layer 23 are fed into a computer 26 via a feed line 25.
  • the computer 26 determines that the data recognized by the reading device 20 match that of the memory 16
  • the computer 26 controls a control device 28 via an output line 27, which is connected via a line 29 to a switch 30 which lies in the course of the roller conveyor 21.
  • the roller conveyor 21 is controlled either in a first direction 31 or in a second direction 32.
  • the object 4 recognized as usable is derived for further use, while the unusable object 4 is steered in the direction 32 in order to return it to the supplier if necessary.
  • the function of the test system also leads to the desired success in distinguishing usable objects 4 from useless objects if the object 4 is merely provided with an arbitrary first marking 15.
  • the application of the second continuous marking 17 brings additional security, but it is not essential for the function of the test system.
  • the exclusive application of the arbitrary marking 15 is also sufficient.
  • additional signal transmitters 33, 34 can be arranged either on the reader 20 or on another part of the recognizer 3, which light up depending on the respective test result or emit other signals, for example acoustic signals.
  • the signal transmitter 33 can light up red or emit a howl when it is determined that the examination of the object 4 has shown that the item inspected does not have the expected markings.
  • the signal generator 34 lights up green, for example, as long as the recognized markings 2 are in accordance with the specifications contained in the computer 26.
  • a special variant results from the fact that the marking to be recognized can be given up visible or invisible to the human eye. Both color aspects can play a role, so that the marking used in each case can only be recognized, for example, in the incident UV light. Even deformations in the structure of the material forming the object 4 cannot be discernible to the eye, but can be seen when the structure is illuminated, for example by a radiation source that is not harmful to health.
  • a barcode scanner can be considered as a sensitive layer 23, for example, if the barcode is printed on the surface 24 of the object 4 in a clearly visible manner.
  • layer 23, for example, directs laser beams towards surface 24, which are reflected on surface 24 and received by receivers (not shown). These reflected rays reveal depressions in the surface 24 which are designed in the sense of the marking 2.
  • the markings 2 are simultaneously recognized by the sensitive layer 23 and interpreted in the reading device 20. However, it is also conceivable that the markings 2 are read and recognized at different times. Such a procedure is appropriate if the further measuring method is first released by reading the first arbitrary marking 15 in order to determine the second marking 17 and the assignment of the markings 15, 17. Since the arbitrary marking 15 primarily decides whether the inspected object 4 is in order or not, if the markings 15, 17 are determined in succession, the further measurements Solutions regarding the second marking and the assignment of the markings are omitted if it turns out that the first marking 15 already does not match the specifications.
  • FIGS. 3 and 4 can be expanded with regard to the system parts connected to the computers 6, 26, for example the random generator 8, the marking device 10 or the reading device 20, as long as the corresponding comparison functions of the computers 6, 26 are sufficient by several To be able to operate roller conveyors 12, 21.
  • wireless connections can also be made between the system parts.
  • infrared signals and radio signals are transmitted wirelessly. In this way, both the system part 1 and the detector 3 are insensitive to arbitrary interference.
  • an arbitrary marking is applied to the object 4, for example the car door 5, via the marking device 10.
  • This arbitrary marking does not necessarily have to be taken from the random generator 8, but can also be carried out by programming the computer 6 accordingly. In such cases, however, there is a risk that the code that is binding for the marker 2 will be recognized in the computer 6 by appropriately committed interference. This can undermine the entire system.
  • the random generator 8 is expediently used, which generates the markings 2 according to a random system.
  • the markings 2 generated by the random number generator 8 cannot be estimated or predicted neither with regard to their distribution nor with regard to their content. The application of the mark 2 is therefore not subject to any law and can therefore not be recognized by interferers.
  • a continuous second marking 17 is provided, which enables an assignment when the corresponding object 4 has been marked.
  • the first marking 15 can be made at the same time or before the second marking 17.
  • the assignment of the two markings 15, 17 is specified and stored in the memory 16 of the computer 6. In this way, it can be seen from the assignment of the two markings 15, 17 whether they contain an indication of the source of origin or not.
  • the object 4 After the marking has been made, the object 4 is brought into circulation. It arrives at a recipient who, with the aid of the recognizer 3, can clarify whether the object 4 received originates from the source of origin assumed by him. For this purpose, the receiver loads his computer 26 with the memory 16, so that on the basis of the data stored in the memory 16 he has a basis for comparison as to whether the data ascertained by his reading device 20 and which have been removed from the surface 24 of the object 4, have been applied to item 4 from the source of origin or not. If the markings 2 picked up by the object 4 via the sensitive layer 23 match the data stored in the memory 16, it is ensured that the markings 2 have been applied by the source of origin, so that the corresponding object 4 comes from this source of origin.
  • the switch 30 is actuated in the automatic mode via the control device 28, so that the object 4 lying on the roller conveyor 21 in the first direction 31 for further processing of the Item 4 is provided.
  • the control unit 28 controls the switch 30 in the second direction 32, so that the object 4 which is accordingly recognized as incorrect is removed Manufacturing process can be removed.
  • the object 4 consists of a plurality of parts 35, 36, 37, 38, 39, 40, 41, 42, each part 35, 36,
  • a marking 43, 44, 45, 46, 47 can be assigned.
  • This marking 43, 44, 45, 46, 47 can consist, for example, of combinations of numbers which are determined with the aid of the random generator 8 for each part 35, 36, 37, 38, 39, 40, 41, 42.
  • 38, 39, 40, 41, 42 and their marking 43, 44, 45, 46, 47 are, for example, stored in the computer 6 and can optionally be displayed on its screen 48.
  • a specific point 49, 50, 51, 52, 53 can be defined at which the marking is applied to the corresponding part 35, 36, 37, 38, 39, 40, 41, 42.
  • the identity of the object 4 can be clearly established with the aid of individually marked parts 35, 36, 37, 38, 39, 40, 41, 42.
  • the object 4 can determine whether the object 4 handed over to him, for example a vehicle, is equipped with the original parts 35, 36, 37, 38, 39, 40, 41, 42. If he finds, for example, that parts 41 are found at a certain point, for example in the area of the bonnet, which do not have the expected mark 46 or do not have the expected position 51, he can assume that this part 41 has been replaced by a previous owner. The prospective buyer can ask why this part 41 has been replaced by another one.
  • the location 49, 50, 51, 52, 53 is recorded exactly on the screen 48. If it turns out that the parts 35, 36, 37, 38, 39, 40, 41, 42 have a marking 43, 44, 45, 46, 47, which have the correct details but are located in the wrong place, such a marking deviating from the original marking 43, 44, 45, 46, 47 suggests that parts 35, 36, 37, 38, 39, 40, 41, 42 not originating from the source of origin were used, so that special caution is in place.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

L'invention concerne un système de contrôle permettant de contrôler un objet composé d'au moins une partie, quand à sa provenance à partir d'une certaine source de provenance. A cet effet, cet objet présente au moins un marquage pouvant être reconnu par le système de reconnaissance. Après que le système de reconnaissance a reconnu le marquage, ce dernier est comparé à des caractéristiques de l'objet, individualisant la source de provenance de l'objet. L'objet peut présenter un premier marquage arbitraire. En outre, l'objet peut présenter au moins un autre marquage prélevé dans une série de marquages continus. Les marquages peuvent être affectés mutuellement de manière spatialement définie. L'affectation des marquages peut varier selon un schéma prédéfini. Le marquage arbitraire peut être réalisé par un générateur aléatoire. Dans un procédé de contrôle d'un objet quand à sa provenance à partir d'une certaine source de provenance admise, chaque partie d'un objet composé de plusieurs parties présente un marquage différent des autres parties. Ces différents marquages présentent un rapport de dépendance connu pouvant être contrôlé pour chaque objet.
PCT/DE2000/003333 1999-09-24 2000-09-23 Systeme de controle et procede de controle d'un objet WO2001022387A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00982922A EP1218870A2 (fr) 1999-09-24 2000-09-23 Systeme de controle et procede de controle d'un objet
AU19912/01A AU1991201A (en) 1999-09-24 2000-09-23 Testing system and method for testing an object

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999145760 DE19945760A1 (de) 1999-09-24 1999-09-24 Prüfsystem und Verfahren zum Prüfen eines Gegenstandes
DE19945760.3 1999-09-24

Publications (2)

Publication Number Publication Date
WO2001022387A2 true WO2001022387A2 (fr) 2001-03-29
WO2001022387A3 WO2001022387A3 (fr) 2001-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/003333 WO2001022387A2 (fr) 1999-09-24 2000-09-23 Systeme de controle et procede de controle d'un objet

Country Status (4)

Country Link
EP (1) EP1218870A2 (fr)
AU (1) AU1991201A (fr)
DE (1) DE19945760A1 (fr)
WO (1) WO2001022387A2 (fr)

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PATENT ABSTRACTS OF JAPAN vol. 1997, no. 12, 25. Dezember 1997 (1997-12-25) & JP 09 223277 A (DAINIPPON INK &CHEM INC), 26. August 1997 (1997-08-26) *

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* Cited by examiner, † Cited by third party
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DE102008056168A1 (de) * 2008-11-06 2010-05-12 Giesecke & Devrient Gmbh Hochkoerzitive Kennzeichnung

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