EP0537513A1 - Device for validating banknotes - Google Patents
Device for validating banknotes Download PDFInfo
- Publication number
- EP0537513A1 EP0537513A1 EP92116190A EP92116190A EP0537513A1 EP 0537513 A1 EP0537513 A1 EP 0537513A1 EP 92116190 A EP92116190 A EP 92116190A EP 92116190 A EP92116190 A EP 92116190A EP 0537513 A1 EP0537513 A1 EP 0537513A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- banknote
- plates
- rows
- diodes
- pair
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 238000005286 illumination Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract 3
- 230000015654 memory Effects 0.000 claims description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010200 validation analysis Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
- G07D7/121—Apparatus characterised by sensor details
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
Definitions
- the present invention relates to a device for validating banknotes and more precisely to a device able to provide a response, in terms of acceptance or rejection, regarding the validity of banknotes checked by the device.
- the validation device according to the invention is intended to be included in prepayment machines and, particularly, in machines for dispensing cards for enabling public telephones, fuel pumps, highway toll gates and the like.
- Banknote validation devices provided with optical sensors are already known wherein the criterion of acceptance or rejection is based on the response of optical sensors which are sensitive to variations in light rays reflected and/or refracted by the banknote being tested.
- the aim of the present invention is to eliminate these problems and, within the scope of this general aim, it has the following important particular objects:
- the present invention relates to a device for validating banknotes which is characterized in that it comprises:
- the device according to the invention is formed by a parallelepipedal cabinet 10 on whose front face an inlet 11 is arranged; said inlet defines a slot 12 for inserting the banknotes B.
- the slot 12 is aligned with the banknote receiving compartment 13, which is delimited by a pair of superimposed plates 14 and 15 preferably made of polymeric material which extend inside the cabinet 10.
- a set of three driving rollers 16 for banknote traction is spread throughout the receiving compartment 13; a corresponding set of three presser rollers 17 cooperates with said driving rollers, and said presser rollers are mounted so that they can rotate freely on the respective supporting pins and are subjected to the action of elastic means 18 which push them into elastic contact with the respective driving rollers.
- the driving rollers 16 are operated by a bidirectional electric motor M by means of an adapted transmission T, advantageously a belt transmission.
- First and second openings 19 and 20 are defined in the pair of plates 14 and 15, and corresponding infrared-light emitting diodes or LEDs 21-22 are aligned therewith and cooperate with respective infrared-light sensors 23-24 in order to detect the insertion and positioning of each banknote.
- a third opening 25 is provided on both plates substantially in their median region.
- a row of red light-emitting LEDs 26 and a row of infrared-light emitting LEDs 27 are arranged on the lower side of the plates (with reference to figure 2) and aligned with the opening 25; both rows are intended to illuminate the banknote for transparency, and are arranged side by side and transversely to the banknote insertion direction, which is indicated by the arrow F in figure 2.
- a row of red-light emitting LEDs 28 and a row of green light-emitting LEDs 29, intended to illuminate the banknote for reflection, are arranged on the upper side of the plates and adjacent to said opening 25.
- the LEDs 26 and 27 are positioned at right angles to the surface plane of the banknote, and the LEDs 28 and 29 form an angle of incidence "i" which is different from 90 o .
- a solid-state sensor 30 is arranged above the plates 14 and 15 and is positioned at an angle of incidence "y" which is greater than the angle "i", in order to receive, through an optical lens which is not illustrated, both the rays of the emitters 26 and 27 refracted by the banknote and the rays of the emitters 28 and 29 reflected by said banknote.
- the sensor 30 is of the linear CCD type, for example with 128 pixels, and advantageously comprises the Toshiba TCD 104 integrated circuit.
- the senor 30 is connected, with the interposition of an A/D converter 31 and of an automatic selector 32, to a block 33 of four memories which are intended to store the data related to respective linear images which are selectively acquired by the sensor 30 and are the result of the selective activation of the rows of diodes 26 to 29.
- the output of the memories 33 is connected to a recognition logic unit 34 to which further static system memories 36 or 37 are selectively connected; said memories 36 or 37 respectively contain "banknote-face” data related to reference genuine specimens (authentic banknotes) and banknote-face data related to reference counterfeits (counterfeit banknotes).
- banknote face defines the face of said banknote according to a specific view, and therefore each banknote is characterized by four "banknote faces”.
- the recognition logic unit is bidirectionally connected to a control logic unit 38 which is in turn bidirectionally connected, by means of a serial interface 39 and a parallel interface 40, to the host machine, which is not illustrated.
- the control logic unit 38 furthermore drives a logic unit 41 for the forward-reverse operation of the motor M, which operates the traction rollers, and a logic unit 42 which controls the selector 32 and, by means of a further selector 43, drives the selective activation of the rows of diodes 26 to 29.
- the control logic unit 38 receives the control data of a logic unit 44 which is associated with the infrared-light sensors 23-24 for detecting the position of the banknote.
- the operating method of the described device is as follows:
- the device can furthermore operate in a self-learning mode which can be set manually, for example by means of selectors 50 or by means of commands sent to the serial line.
- the data acquired in the memory block 33 are sent, by means of a switch 51, to the memories 36 or 37, and the inserted banknote face is thus stored, as appropriate, in the reference genuine-specimen memory or in the reference counterfeit memory.
Abstract
The device (10) comprises a pair of superimposed plates (14-15) which define a compartment (13) for receiving the banknotes, banknote grip and traction elements (16-17), rows of light-emitting diodes (26 to 29) for illuminating the banknote in succession and with radiation having different wavelengths, and a solid-state sensor (CCD) (30) which receives the linear images which are the result of the selective illumination produced by each row of diodes. The digitized data related to the acquired linear images are compared with corresponding data of authentic and counterfeit specimens and, depending on the result of the comparison, the tested banknote is accepted or rejected.
Description
- The present invention relates to a device for validating banknotes and more precisely to a device able to provide a response, in terms of acceptance or rejection, regarding the validity of banknotes checked by the device.
- Typically, the validation device according to the invention is intended to be included in prepayment machines and, particularly, in machines for dispensing cards for enabling public telephones, fuel pumps, highway toll gates and the like.
- Banknote validation devices provided with optical sensors are already known wherein the criterion of acceptance or rejection is based on the response of optical sensors which are sensitive to variations in light rays reflected and/or refracted by the banknote being tested.
- The reliability of the above known devices, however, is not satisfactory, since the response of the optical sensors depends on many variables and because it is very difficult to provide sampling thresholds which are sufficiently selective and stable, especially with regard to temperature.
- Due to this reason, the above mentioned known validation devices have proved themselves unsuitable to recognize particularly well-imitated counterfeits which, with current printing methods, are increasingly easier to obtain.
- The aim of the present invention is to eliminate these problems and, within the scope of this general aim, it has the following important particular objects:
- -- to provide a generic-banknote validation device which is highly reliable and is capable, in particular, of recognizing and rejecting particularly well-imitated counterfeits;
- -- to provide a generic-banknote validation device which does not require particular positioning of the banknote being tested, so that said banknote can be recognized independently of the insertion direction and of the exposed face;
- -- to provide a validation device which is also improved mechanically, in particular one that is structurally simple and reliable also in terms of avoiding the jamming of the banknotes inserted therein.
- In order to achieve this aim, these important objects and others which will become apparent from the following detailed description, the present invention relates to a device for validating banknotes which is characterized in that it comprises:
- -- a pair of superimposed plates which define a compartment for receiving the banknotes to be inspected;
- -- banknote grip and traction elements and light-sensing banknote positioning means associated with said receiving compartment;
- -- rows of solid-state means for the refracted and reflected illumination, with different wavelengths, of the banknote which is present in the receiving compartment, and solid-state means for receiving the linear images which are the result of the selective illumination produced by each row of illumination means;
- -- means for storing the digitized data which correspond to the acquired linear images and logic means for comparing the data of the acquired images with the data, present in system memories, which correspond to specimen images related to authentic and/or typical counterfeit banknotes and for producing acceptance or rejection signals depending on the result of the comparison.
- The invention will become apparent from the following detailed description and with reference to the accompanying drawings, illustrated only by way of non-limitative example and wherein:
- figure 1 is a perspective view of the device;
- figure 2 is a schematic sectional view, taken along the plane II-II of figure 1;
- figure 3 is a block diagram of the circuital arrangement of the device.
- The device according to the invention is formed by a
parallelepipedal cabinet 10 on whose front face aninlet 11 is arranged; said inlet defines aslot 12 for inserting the banknotes B. Theslot 12 is aligned with thebanknote receiving compartment 13, which is delimited by a pair ofsuperimposed plates cabinet 10. - A set of three
driving rollers 16 for banknote traction is spread throughout thereceiving compartment 13; a corresponding set of threepresser rollers 17 cooperates with said driving rollers, and said presser rollers are mounted so that they can rotate freely on the respective supporting pins and are subjected to the action ofelastic means 18 which push them into elastic contact with the respective driving rollers. - The
driving rollers 16 are operated by a bidirectional electric motor M by means of an adapted transmission T, advantageously a belt transmission. First and second openings 19 and 20 are defined in the pair ofplates - A third opening 25 is provided on both plates substantially in their median region. A row of red light-emitting
LEDs 26 and a row of infrared-light emitting LEDs 27 are arranged on the lower side of the plates (with reference to figure 2) and aligned with theopening 25; both rows are intended to illuminate the banknote for transparency, and are arranged side by side and transversely to the banknote insertion direction, which is indicated by the arrow F in figure 2. - A row of red-
light emitting LEDs 28 and a row of green light-emittingLEDs 29, intended to illuminate the banknote for reflection, are arranged on the upper side of the plates and adjacent to said opening 25. - As clearly shown in the figure, the
LEDs LEDs state sensor 30 is arranged above theplates emitters emitters sensor 30 is of the linear CCD type, for example with 128 pixels, and advantageously comprises the Toshiba TCD 104 integrated circuit. - With reference now to the diagram of figure 3, it can be seen that the
sensor 30 is connected, with the interposition of an A/D converter 31 and of anautomatic selector 32, to ablock 33 of four memories which are intended to store the data related to respective linear images which are selectively acquired by thesensor 30 and are the result of the selective activation of the rows ofdiodes 26 to 29. - The output of the
memories 33 is connected to arecognition logic unit 34 to which furtherstatic system memories memories - The recognition logic unit is bidirectionally connected to a
control logic unit 38 which is in turn bidirectionally connected, by means of a serial interface 39 and aparallel interface 40, to the host machine, which is not illustrated. Thecontrol logic unit 38 furthermore drives alogic unit 41 for the forward-reverse operation of the motor M, which operates the traction rollers, and alogic unit 42 which controls theselector 32 and, by means of afurther selector 43, drives the selective activation of the rows ofdiodes 26 to 29. In turn, thecontrol logic unit 38 receives the control data of alogic unit 44 which is associated with the infrared-light sensors 23-24 for detecting the position of the banknote. - The operating method of the described device is as follows:
- -- the banknote inserted in the
slot 12 is detected by the infrared-light sensor 23 which, by means of thecontrol logic unit 38, activates the motor M and therollers 16 which pull said banknote into thereceiving compartment 13. Simultaneously, under the control of thelogic units selectors diodes 26 to 29 are switched on in a selective sequence, and the data related to the four linear images acquired by thesensor 30 are stored, with the same sequence, in the respective memories of theblock 33. At the end of the process, the data of four images of the same banknote face are thus present in the four memories of theblock 33. Subsequently, traction of the banknote is halted and thecontrol logic unit 38 activates therecognition logic unit 34, which compares the data of the four acquired images with N sets of four specimen image data related to N genuine banknote faces and with N sets of four image data related to false reference banknote faces. The outcome of the comparison (match/no match) is transmitted to thecontrol logic unit 38 which in turn transmits the information to the two interfaces 39-40 towards the host machine (not illustrated) and actuates the forward traction of the banknote in the direction of the arrow F (acceptance) or in reverse (rejection), as appropriate. The infrared-light sensors - According to the invention, the device can furthermore operate in a self-learning mode which can be set manually, for example by means of selectors 50 or by means of commands sent to the serial line.
- In self-learning mode, the data acquired in the
memory block 33 are sent, by means of aswitch 51, to thememories - Naturally, without altering the concept of the invention, the details of execution and the embodiments may be varied extensively with respect to what is described and illustrated by way of non-limitative example without thereby abandoning the scope of the invention.
- Where technical features mentioned in any claim are followed by reference signs, those reference signs have been included for the sole purpose of increasing the intelligibility of the claims and accordingly such reference signs do not have any limiting effect on the scope of each element identified by way of example by such reference signs.
Claims (9)
- Device for validating banknotes, characterized in that it comprises:-- a pair of superimposed plates (14,15) which define a compartment (13) for receiving the banknotes to be inspected, banknote grip and traction elements (16,17), and light-sensing banknote positioning means (21,22,23,24), associated with said receiving compartment;-- rows of solid-state means for the refracted (26,27) and reflected (28,29) illumination, with different wavelengths, of the banknote which is present in the receiving compartment (13), and solid-state means (30) for receiving the linear images which are the result of the selective illumination produced by each row of illumination means;-- means for storing the digitized data (33) which correspond to the linear images acquired by the receiving means and logic means (34) for comparing the data of said acquired images with data, present in system memories, of corresponding specimen images related to typical authentic and/or counterfeit banknotes and for producing acceptance or rejection signals depending on the result of the comparison.
- Device according to claim 1, characterized in that the banknote grip and traction elements are constituted by driving rollers (16) and by presser rollers (17) and in that the driving rollers are moved by a bidirectional electric motor which is controlled by a drive logic unit (41).
- Device according to claim 1, characterized in that it comprises four rows (26,27,28,29) of light-emitting diodes arranged in pairs on the opposite sides of the pair of plates aligned with an opening (25) located in a substantially median region of said pair of plates.
- Device according to claims 1 and 3, characterized in that one pair of rows of diodes (26,27) is arranged below said plates and illuminates the banknote for transparency and the other pair of rows of diodes (28,29) is arranged above the plates and illuminates the banknote for reflection.
- Device according to claims 1 and 4, characterized in that the image receiving means is arranged above the pair of plates and is constituted by a CCD sensor (30).
- Device according to claims 1, 3 and 4, characterized in that the two rows of diodes (26,27) arranged below the pair of plates emit radiation in the infrared and red ranges and the two rows of diodes (28,29) arranged above the plates emit radiation in the red and green ranges.
- Device according to claims 1 and 5, characterized in that the solid-state sensor (30) which constitutes the means for receiving the linear images is connected, with the interposition of an A/D converter (31) and of an automatic selector (32), to a block of four memories (33), each memory being intended to store the data of the corresponding linear image formed by the illumination produced by each row of diodes.
- Device according to claim 7, characterized in that the outputs of said memory block are operatively connected to a recognition logic unit (34) which also receives the specimen data of the genuine banknotes or counterfeits contained in the system memories and in that said recognition logic unit is bidirectionally connected to a control logic unit (38) which receives the banknote position detection data and sends the commands for powering the traction motor, the commands for switching on the rows of diodes in succession and the commands for selecting the image data memories; the control logic unit being operatively connectable to host machines by virtue of serial (39) and parallel (40) interfaces.
- Device according to claims 1 and 8, characterized in that it comprises self-learning selectors (50) which are associated with the control logic unit (38) and are able to switch the data related to the images acquired by the solid-state sensor onto the system memories intended to contain the reference genuine banknotes or the counterfeits.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910774 | 1991-10-15 | ||
ITTO910774A IT1250847B (en) | 1991-10-15 | 1991-10-15 | BANKNOTE VALIDATION APPARATUS |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0537513A1 true EP0537513A1 (en) | 1993-04-21 |
Family
ID=11409640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92116190A Withdrawn EP0537513A1 (en) | 1991-10-15 | 1992-09-22 | Device for validating banknotes |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0537513A1 (en) |
IT (1) | IT1250847B (en) |
Cited By (42)
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GB2273353A (en) * | 1992-12-02 | 1994-06-15 | Colin Stephen Henley | Security device |
WO1995013597A2 (en) * | 1993-11-12 | 1995-05-18 | Thomas De La Rue Limited | Preventing unauthorized copying of documents |
EP0660277A2 (en) * | 1993-12-27 | 1995-06-28 | Azkoyen Industrial, S.A. | Method and apparatus for the characterization and discrimination of legal tender bank notes and documents |
EP0691632A1 (en) * | 1994-07-04 | 1996-01-10 | AT&T GLOBAL INFORMATION SOLUTIONS INTERNATIONAL INC. | Apparatus and method for testing bank-notes |
EP0720128A2 (en) * | 1994-12-26 | 1996-07-03 | Sanden Corporation | Optical detection unit for printed value sheet validation apparatus and method of optically detecting the sheet therefor |
WO1996036021A1 (en) * | 1995-05-11 | 1996-11-14 | Giesecke & Devrient Gmbh | Device and process for checking sheet articles such as bank notes or securities |
EP0744720A1 (en) * | 1995-05-24 | 1996-11-27 | N.V. Bekaert S.A. | Detection of authenticity of security documents |
EP0780811A1 (en) * | 1995-12-21 | 1997-06-25 | Azkoyen Industrial, S.A. | Method and device for the characterization and discrimination of banknotes and legal tender documents |
WO1997031340A1 (en) * | 1996-02-20 | 1997-08-28 | Cashcode Company Inc. | Optical reflection sensing arrangement for scanning devices |
GB2311130A (en) * | 1992-02-25 | 1997-09-17 | Oesterr Nationalbank | Checking optical security features on bank notes |
WO1997037329A1 (en) * | 1996-04-02 | 1997-10-09 | Koenig & Bauer-Albert Ag | Process and device for assessing the quality of processed material |
ES2106672A1 (en) * | 1994-12-23 | 1997-11-01 | Azkoyen Ind Sa | A method and apparatus for characterizing and discriminating bank notes and legal currency |
WO1999045506A1 (en) * | 1998-03-02 | 1999-09-10 | Bundesdruckerei Gmbh | Verification system for an object of value or a security |
WO2000014689A1 (en) | 1998-09-04 | 2000-03-16 | Giesecke & Devrient Gmbh | Method and device for controlling paper documents of value |
EP0996099A2 (en) * | 1998-10-23 | 2000-04-26 | BUNDESDRUCKEREI GmbH | Electroluminescent semiconductor for testing luminescent security features |
WO2000042477A1 (en) * | 1999-01-14 | 2000-07-20 | De La Rue International Limited | Monitoring assembly |
EP1065631A1 (en) | 1999-07-02 | 2001-01-03 | Giesecke & Devrient GmbH | Method and device for reading record carrier shaped like a sheet |
US6256407B1 (en) | 1998-03-17 | 2001-07-03 | Cummins-Allison Corporation | Color scanhead and currency handling system employing the same |
EP1049055A3 (en) * | 1999-04-26 | 2001-07-18 | Glory Ltd. | Image reading apparatus having multiple wavelength light sources and control method for the same |
EP1128338A1 (en) * | 2000-02-17 | 2001-08-29 | De La Rue International Limited | Document counter |
GB2361765A (en) * | 2000-04-28 | 2001-10-31 | Ncr Int Inc | Media validation by diffusely reflected light |
WO2002045033A1 (en) * | 2000-11-29 | 2002-06-06 | De La Rue International Limited | Optical method and apparatus for inspecting documents |
ES2169707A1 (en) * | 2000-12-29 | 2002-07-01 | Investronica Sa | System for recognizing and validating banknotes |
EP1321904A1 (en) * | 2001-12-20 | 2003-06-25 | Mars Incorporated | Apparatus for sensing optical characteristics of a banknote |
EP1321903A1 (en) * | 2001-12-20 | 2003-06-25 | Mars, Incorporated | Apparatus for sensing optical characteristics of a banknote |
EP1377461A2 (en) † | 2000-08-29 | 2004-01-07 | november Aktiengesellschaft Gesellschaft für Molekulare Medizin | Method for forgery-proof labeling of items, and forgery-proof label |
US6721442B1 (en) | 1998-03-17 | 2004-04-13 | Cummins-Allison Corp. | Color scanhead and currency handling system employing the same |
GB2398914A (en) * | 2003-02-27 | 2004-09-01 | Ncr Int Inc | Module for validating deposited media items |
EP1527424A2 (en) * | 2002-07-29 | 2005-05-04 | Giesecke & Devrient GmbH | Device and document for processing security documents |
WO2007006706A1 (en) * | 2005-07-08 | 2007-01-18 | Koenig & Bauer Aktiengesellschaft | Device for inspecting a surface |
US7173416B2 (en) | 2002-03-04 | 2007-02-06 | Sicpa Holding S.A. | Measurement probe and authentication device comprising the same |
EP1818876A1 (en) * | 2006-01-18 | 2007-08-15 | Mitsubishi Denki K.K. | Image reading apparatus |
DE102008028250A1 (en) * | 2008-06-13 | 2009-12-17 | Giesecke & Devrient Gmbh | Camera system for use in banknote processing device, has two partial camera systems with light sources, respectively, where sources are arranged on side of object plane for transmission measurement in dark field or bright field |
WO2010040422A1 (en) * | 2008-10-11 | 2010-04-15 | Bayer Technology Services Gmbh | Optical sensor |
EP2278559A2 (en) * | 2000-06-13 | 2011-01-26 | Giesecke & Devrient GmbH | Tracing of counterfeit bank notes |
EP2284806A3 (en) * | 2009-08-07 | 2011-11-23 | Innovative Technology Limited | Banknote validator |
CN102396005A (en) * | 2009-04-16 | 2012-03-28 | 拜尔技术服务有限责任公司 | Optical sensor for identifying and/or authenticating objects |
EP2440995A1 (en) * | 2009-06-12 | 2012-04-18 | Diebold, Incorporated | Banking system that operates responsive to data read from data bearing records |
NL2006766C2 (en) * | 2011-05-11 | 2012-11-13 | Nl Bank Nv | Quantitative examination of counterfeits. |
KR101240745B1 (en) * | 2005-07-06 | 2013-03-07 | 톰슨 라이센싱 | Method of obtaining a saliency map from a plurality of saliency maps created from visual quantities |
NL2011739C2 (en) * | 2013-11-05 | 2015-05-07 | Nl Bank Nv | Banknote counterfeit classification. |
DE102017202446A1 (en) | 2016-12-21 | 2018-06-21 | Plinke Gmbh | Process for the treatment of waste sulfuric acid and apparatus for carrying out the process |
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- 1991-10-15 IT ITTO910774A patent/IT1250847B/en active IP Right Grant
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1992
- 1992-09-22 EP EP92116190A patent/EP0537513A1/en not_active Withdrawn
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Cited By (74)
Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
Publication number | Publication date |
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IT1250847B (en) | 1995-04-21 |
ITTO910774A0 (en) | 1991-10-15 |
ITTO910774A1 (en) | 1993-04-15 |
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