Abstract: A banknote storage container (1) comprising a housing (2) enclosing an internal banknote receiving compartment (8), said housing (2) including a banknote input aperture (3) in communication with a banknote receiving compartment ingress opening (3?); the banknote receiving compartment (8) includes a pair of pivotable bascule members (4, 5), said bascule members (4, 5) disposed in opposing lateral positions within the banknote receiving compartment, and each of said pair of bascule members (4, 5) includes a gate element (16) disposed at an end of the bascule member proximal to the ingress opening (3?) and a banknote contact portion (15) at an end of the bascule member distal from the ingress opening (3?); and the banknote contact portion (15) of each of said bascule members (4, 5) protrudes into the banknote receiving compartment (8) such that when a leading edge of a banknote received into said banknote receiving compartment (8) simultaneously comes into contact with the banknote contact portion (15) of each o

Abstract: A machine learning system may automatically produce classifier algorithms and configuration parameters by selecting them into a set of predetermined unitary algorithms and associated parametrization values. Multiple digital representations of input object items may be produced by varying the position and orientation of the object to be classified and/or of the sensor to capture a digital representation of the object, and/or by varying a physical environment parameter which changes the digital representation capture of the object by the sensor. A robot arm or a conveyor may vary the object and/or the sensor positions and orientations. The machine learning system may employ generic programming to facilitate the production of classifiers suitable for the classification of multiple digital representations of input object items.

Abstract: Provided is a circulation-type paper sheet storage unit equipped with circulation units in a casing, enabling to swiftly take measures and perform recovery processing on the user side when the circulation unit malfunctions. The paper sheet storage unit includes circulation units (100 and 200) that are accommodated in a casing 60 to receive paper sheets transported into the casing by operating upon reception of a drive force from a motor and feed paper sheets stored therein to outside of the casing. The casing includes guide members 620 that serve as a guide at the time of attaching or detaching the circulation unit with respect to the casing, and the circulation unit includes guided members (655A, 675A, 655B, and 675B) which respectively detachably engage with the guide member, and are guided to an installation completion position along the guide members in an engaged state.

Abstract: A method and system for credit risk identification. The disclosed embodiments include receiving a loan request to a credit business system from a user; in response to the loan request, obtaining operation data by the user on the credit business system within a period of time before the loan request; performing risk identification on the user using a neuronal network according to the loan request and the operation data to generate a result, and determining a response to the loan request based on the result of the risk identification.

Abstract: A currency disinfecting assembly includes a housing that has entry extending therein and an exit extending to receive and dispense paper currency. A roller unit is positioned in the housing and the roller unit is positioned between the entry and the exit to transport the paper currency between the entry and the exit. A disinfecting unit is integrated into the housing and the disinfecting unit emits electromagnetic radiation to kill bacteria. A control unit is coupled to the housing and the control unit is in communication with the roller unit and the disinfecting unit. Moreover, the control unit turns on each of the roller unit and the disinfecting unit to facilitate the user to sterilize their paper currency.

Abstract: Embodiments are directed to a system, computer program product, and method for dynamic object mining. A received file is segmented, re-formatted, and organized into buffers, while maintaining the order of the received file. Multiple buffers are processed in parallel for object mining. A listener is encoded into the buffers to support asynchronous processing, and more specifically ordering of mined objects. An output file of the mined objected or associated frames is created. The file is populated with a sequential ordering of the objects that follows the order of the received file.

Abstract: Embodiments are described herein for a teller check that includes enhanced security features. In response to a request from a user, a teller check image is generated using a check template and that includes check information in fields of the check template. The teller check also includes a unique visible pattern or unique visible picture in the image that serves as an enhanced security feature. A captured image or received image of the teller check is able to be verified based on data extracted from the unique visible pattern or unique visible picture.

Abstract: According to several embodiments, the invention relates to a device and a method for stacking card-like data carriers. The device includes a conveying device for transporting individual card-like data carriers downstream along a conveying path and a stacking unit for selectively transferring and stacking card-like data carriers conveyed along the conveying path. The conveying device is arranged to convey the card-like data carriers in such a way that they are fixed to it in a hanging mode of transport. The stacking unit is arranged to selectively release certain ones of the card-like data carriers conveyed along the conveying device from the latter in order to transfer them directly into a card magazine and to stack them therein.

Abstract: A banknote handling system includes an unlocking system. The unlocking system includes a camera, a first mechanical arm to which one or a plurality of keys are affixed, and a controller that determines a position of a keyhole based on an image from the camera, and controls the first arm to insert one of the one or the plurality of keys into the keyhole and turn the inserted key for unlocking. In many examples, the unlocking system is configured to unlock a banknote cashbox.

Abstract: A sheet handling apparatus includes a mounting unit configured to mount a storage bag, a holder configured to support a first part of the storage bag mounted to the mounting unit on the holder and hold a second part being lower than the first part of the storage bag, the holder being capable of moving along an first direction in which the sheets are sent from the opening into inside storage bag and a second direction opposite to the first direction. The holder approaches the mounting unit in the second direction opposite to the first direction in a state where the second part of the storage bag is held by the holder before the sheet is stored in the storage bag mounted to the mounting unit.

Abstract: A stand-alone inspection apparatus inspects documents printed on a cut sheet, and includes: a sheet feeder capable of setting the documents in a sorted state; a sorting detector that detects the sorted state of the documents; an image reader that reads an image of the documents; an inspection part that inspects the documents on the basis of the read image; and a sheet ejector that ejects the inspected documents, wherein in a case where the documents in the sorted state are set in the sheet feeder, the sheet ejector ejects the documents in a state equivalent to the sorted state detected by the sorting detector.

Abstract: Disclosed is a banknote processing device and a banknote processing method. The banknote processing device includes an identification mechanism, an in-out mechanism, a loading box, a circulating box, a main passage, an auxiliary passage, an in-out passage, a loading passage, and a circulating passage. The auxiliary passage is of annular shape, and both ends of the main passage are each connected to the auxiliary passage. A banknote is allowed to move in a one-way direction along a preset direction in the auxiliary passage. The identification mechanism is disposed in the main passage. The in-out passage is connected between the main passage and the in-out mechanism. A first end of the circulating passage is connected to the main passage. A second end of the circulating passage is connected to the circulating box. A first end of the loading passage is connected to the auxiliary passage, and a second end of the loading passage is connected to the loading passage.

Abstract: A value note cassette includes a first storage area for storing first notes of value of a first value note type. The first notes of value are storable in the first storage area in a first orientation. The value note cassette also includes a second storage area for storing second notes of value of a second value note type. The second storage area is separate from the first storage area. The second notes of value are storable in the second storage area in a second orientation. The first orientation is orthogonal to the second orientation.

Abstract: A valuable medium handling apparatus configured to handle a plurality of types of valuable media. The valuable medium handling apparatus includes an inlet configured to deposit the plurality of types of valuable media, a setting unit configured to set the types of the valuable media being handled by the apparatus as a first type or a second type, a determination unit configured to determine whether a type of each of the valuable media deposited in the inlet is the first type or the second type based on the setting result of the setting unit and determine whether the valuable medium determined as the first type is a genuine medium or a counterfeit medium, and a plurality of stackers configured to stack the valuable medium of the type determined by the determination unit, the plurality of stackers including a first stacker and a second stacker.

Abstract: The apparatus may include a microprocessor. In electronic communication with the microprocessor there may be a memory cell. In electronic communication with the microprocessor there may be a light source circuit. In electronic communication with the microprocessor there may be a camera circuit. In electronic communication with the microprocessor there may be a nano light-emitting diode display circuit. Stored in the memory cell there may be image-processing instructions. Stored in the memory cell there may be light-source control instructions. The memory cell; the light source circuit; the camera circuit; and the nano light-emitting diode display circuit may be embedded in an information card. The instructions may be configured to cause the microprocessor to count objects set in motion by a user. The motion may be a motion of manually flicked objects.

Abstract: A paper sheet processing device includes: a charging inlet that takes in paper sheets in a conveyance direction, the paper sheets including at least one target sheet and a partition card overlapped on the target sheet, the partition card having a main surface portion having at least one identification hole group, the identification hole group having at least two through holes arranged along the conveyance direction; a detection unit that detects take-in of the paper sheets by the charging unit, and detects the identification hole group; and a control unit that determines a paper sheet is the partition card in a case where the identification hole group has been detected by the detection unit, and determines that a paper sheet is the target sheet in a case where the identification hole group has not been detected by the detection unit.

Abstract: An apparatus and a corresponding method for singling value documents includes: an input device which is devised for receiving a stack of value documents, a transport device which is devised for drawing a value document from a stack of value documents located in the input device, and a transport element, which is devised to influence the drawing of the value document from the stack of value documents. At least one sensor is provided which is devised to capture a size of the stack located in the input device, in particular a height of the stack and/or a fill level of the input device, and a density of the stack. A control device is devised to control the transport device and/or the transport element based on the captured size of the stack and/or the captured density of the stack.

Abstract: Systems and methods for rejecting a media object may include receiving the media object. The method may also include engaging a drive member to translate the media object. A sensor may be activated to detect an abnormality in the media object. Upon detecting the abnormality in the media object, the drive member may be engaged to reject the media object.

Abstract: Paper sheets preprocessing apparatus includes a material remover, a detector, a controller, and a display. The material remover removes a material from a paper sheets assembly. The paper sheets assembly includes a plurality of paper sheets strapped by the material. The detector is located at an upstream side than the material remover, and detects information of the paper sheets assembly. The controller decides whether the paper sheets assembly satisfies a predetermined specification, based on the information detected by the detector. If the controller decides that the paper sheets assembly does not satisfy the predetermined specification, the display displays a reason to decide that the paper sheets assembly does not satisfy the predetermined specification.

Abstract: A value note cassette includes a first storage area for storing first notes of value of a first value note type. The first notes of value are storable in the first storage area in a first orientation. The value note cassette also includes a second storage area for storing second notes of value of a second value note type. The second storage area is separate from the first storage area. The second notes of value are storable in the second storage area in a second orientation. The first orientation is orthogonal to the second orientation.

Abstract: A method and a device for adaptively recognizing a value document are provided. The method includes: acquiring a collection parameter, and collecting a photoelectric signal of the value document; acquiring a photoelectric signal correction amount, and performing digital compensation on the photoelectric signal; performing feature extraction on the photoelectric signal subjected to the digital compensation to obtain a feature vector; inputting the feature vector to a preset classifier for recognition, to obtain a recognition result of the value document; acquiring a specific region on the value document; acquiring feature information of the photoelectric signal of the value document; calculating an accumulation component and a differential error of the value document; calculating a total correction amount of the photoelectric signal; updating the photoelectric signal correction amount and the collection parameter; and outputting the recognition result.

Abstract: An objective of the present invention is to facilitate the setting of versions of money to be stacked in stacking units of a money handling apparatus. The money handling apparatus includes: a plurality of stacking units that stack money by type; a storage unit that stores a version classification setting in which classification of versions of multiple series of money issued in different years is set for each denominations; a recognition unit that recognizes denominations and series of money; and a control unit that determines, on the basis of the version classification setting, versions of money of which denominations and series have been recognized by the recognition unit, and stacks the money in the stacking units corresponding to the denominations and versions of the money.

Abstract: Embodiments of a system and method for multidirectional dispensing of media at a self-service terminal (SST) are generally described herein. A method for dispensing media at a SST may include rotationally pivoting a first arm of a media dispenser of the SST away from a second arm of the media dispenser to receive media in a first direction, and activating a first set of rollers of the first arm to dispense the media in a second direction, the second direction at an angle generally orthogonal to the first direction.

Abstract: In order to display information for rejected paper sheets in an easily recognizable manner, the paper sheet handling apparatus includes: a transport path configured to transport paper sheets; a recognition unit configured to recognize the paper sheets transported in the transport path; a reject unit configured to stack rejected paper sheets discharged from the transport path based on a recognition result by the recognition unit; and a display unit configured to display information for rejected paper sheets in a manner which is different for a case where the number of the rejected paper sheets stacked in the reject unit can be determined, and for a case where the number of the rejected paper sheets stacked in the reject unit cannot be determined.

Abstract: Disclosed herein is an apparatus for processing a medium, including: a accepting unit in which the medium is loaded; a dispending unit from which the medium is withdrawn; a medium discriminator configured to discriminate a denomination of the medium loaded into the accepting unit; a plurality of medium storage boxes configured to each discriminate and store the medium by denomination of the medium discriminated by the medium discriminator; and a controller configured to store the medium loaded through the accepting unit by the same denomination in the medium storage box and withdraw the loaded medium from the medium storage box according to a predetermined withdrawal criterion.

Abstract: Apparatuses and methods of operating the same are described. A method may include receiving a card from a first storage compartment. The method may include analyzing the card using a first sensor to obtain characteristic information of the card. The method may include identifying a group associated with the characteristic information. The method may include identifying a second storage compartment associated with the group. The method may include sorting the card to place the card into the second storage compartment.

Abstract: Ultraviolet (UV) light illuminates a valuable media item along a pathway of a valuable media depository and UV signal readings are captured in response to the illuminated valuable media item. The signal readings are adjusted to account for any integrated metallic material and for any contamination present on the media item or any contamination that is a result of the media item having been washed. The adjusted signal readings are processed to determine whether the media item is genuine and/or fit for being further processed within the depository.

Abstract: A banknote rolling-out control method and apparatus and a banknote storage device are provided for solving the technical problem of device failure caused by the case where a banknote can easily be stuck in the device after being stored on a reel for a long time. The method includes: storing a rolling-in time at which a banknote enters a device and a corresponding banknote sequence number; obtaining a rolling-out time of a current banknote which needs to be rolled out; obtaining the rolling-in time corresponding to the banknote sequence number of the current banknote; and determining whether the rolling-in time and the rolling-out time satisfies a preset time condition, and rolling out the current banknote at a rolling-out speed lower than a preset speed in a case of a positive determination.

Abstract: According to one embodiment, a banknote stacking apparatus includes a first weight measurement part, a second weight measurement part, and a controller. The first weight measurement part measures a weight of a first banknote bundle. Banknotes laminated along a thickness direction of the banknotes are bundled as the first banknote bundle. The second weight measurement part measures a weight of a second banknote bundle. A first predetermined number of first banknote bundles laminated are bundled as the second banknote bundle. The controller compares the weight measured by the first weight measurement part with the weight measured by the second weight measurement part, and decides whether the number of first banknote bundles bundled as the second banknote bundle is smaller than the first predetermined number, based on a comparison result of the weight.

Abstract: Described is a method for providing measurement data for value documents to a specified purpose of use employing a value-document processing device which has a transport device for transporting the value documents, and a sensor device for capturing at least one property of value documents transported in the value-document processing apparatus by means of the transport device and forming measurement data describing the captured property, in which value documents are transported to the sensor device by means of the transport device and measurement data for these are respectively captured by means of the sensor device, it is tested whether the measurement data for the value documents meet a suitability criterion specified for the purpose of use, and measurement data for respectively one of the value documents either are permanently stored or discarded in dependence on the result of the testing.

Abstract: A document management facility may process volumes of physical documents for digital imaging. The document management facility may utilize robotic apparatus to perform the various functions for processing the documents, which may include document intake, document storage, document digitization, and/or document removal. Digital versions of the documents may be accessed with a document management system.

Abstract: A stacking and dispensing module (2) for use in an automatic teller machine (4), the module is configured to be arranged in connection with a banknote storage unit (6) comprising a banknote tray (8) on which banknotes (10) are stacked, the stacking and dispensing module (2) is configured to be in a banknote stacking mode, when banknotes are stacked in said storage unit (6), and in a banknote dispensing mode, when banknotes are dispensed from said storage unit (6). A stacking wheel member (12) is active both during the banknote stacking mode and during the banknote dispensing mode, and that the rotation of the stacking wheel member (12) is configured to be controlled by a first direct current (DC) motor (20), and the rotation of a dispensing wheel member (16) is configured to be controlled by a second DC motor (22).

Abstract: A bill processing device includes: a first denomination bill storage box configured to store therein first denomination bills to be used as change; a mix box configured to store therein a plurality of denominations of bills other than the first denomination bills in a mixed manner; and an examination box configured to function as a temporary storage box in examination of recounting numbers of bills stored in the first denomination bill storage box and the mix box, the bill processing device being configured to perform reception and dispensing processing of bills. Only second denomination bills to be used as change are stored in the examination box or the mix box in the reception or after the examination, and the second denomination bills stored in the examination box or the mix box are dispensed when a dispensing instruction to dispense the second denomination bills is given.

Abstract: A system for optical character recognition pre-verification is provided. The system may review payment documents. The payment documents may include remit stubs and paper checks. The system, utilizing optical character recognition software, may determine dollar amounts on the remit stubs and the paper checks. The optical character recognition software may determine a confidence level of whether the determined amount is the same amount that the writer of the check. If the confidence level is above first predetermined threshold level of confidence and below a second predetermined threshold level of confidence, the system may present an operator with a pre-verification GUI. The pre-verification GUI may include a view of the remit stub, a view of the check, the dollar amount due, a match button and a do not match button. Upon selection of either the match or do not match button, the payment may be processed in another check-processing system.

Abstract: A method for detecting overlapped bank notes is provided. The method includes: step 10, collecting original image data of bank notes; step 20, performing security thread positioning detection on the original image data of the bank notes, to obtain security thread detection data; step 40, determining whether the security thread detection data meets a preset security thread reference condition, going to step 60 if the security thread detection data meets the preset security thread reference condition, and going to step 70 if the security thread detection data does not meet the preset security thread reference condition; step 60, obtaining a determination result that the bank notes are not overlapped, and ending the method; and step 70, obtaining a determining result that the bank notes are overlapped, and ending the method.

Abstract: A bill processing device includes: a loading unit that feeds a bill having a pair of serial number information; a reading unit that reads the pair of serial number information from the fed bill; a determining unit that determines whether at least a portion of the pair of serial numbers match each other; a stacking unit that stacks the bill in a case where the determining unit has determined that the at least a portion of the pair of serial numbers match each other; and a reject unit that receives the bill in a case where the determining unit has determined that the at least a portion of the pair of serial numbers do not match each other.

Abstract: Burden on users is reduced. A setting unit is configured to set information about the use environment concerning a use environment in which a money handling apparatus is used. A transport unit is configured to transport money. A recognition unit is configured to recognize a kind of the money. A control unit is configured to control transporting of the money by the transport unit, according to a recognition result for the money by the recognition unit. Further, the control unit controls transporting of the money according to the information about the use environment that is set by the setting unit, in a case where a kind, of the money, recognized by the recognition unit corresponds to a predetermined specific kind.

Abstract: In a sheet processing apparatus which checks sheets and sorts the sheets for a plurality of cassettes on the basis of the check result and conditions for the sheets which are assigned to the respective cassettes, conditions for sheets such as bill types and bill states which are assigned to the respective cassettes are displayed on a display unit. When an instruction to save these setting contents is issued while a cassette and conditions for sheets which are displayed on the display unit are selected, the selected conditions for sheets are assigned to the selected cassette.

Abstract: A paper sheet handling system includes a reception unit 11 configured to receive a plurality of paper sheets, a taking-in unit 10 configured to take in, one by one, the paper sheets received by the reception unit 11, a recognizing and counting unit 55 configured to recognize and count the paper sheets taken in by the taking-in unit 10, a handling unit configured to handle the paper sheets recognized by the recognizing and counting unit 55, the handling unit including stackers 60a to 60d, rejection units 61a and 61b, a bundling unit 250, a transport unit 70, and a cassette storing unit 300, and an operation/display unit 59 configured to input a confirmation signal for confirming count data on the paper sheets recognized by the recognizing and counting unit 55. The paper sheet handling system 100 is configured to accept the confirmation signal from the operation/display unit 59 on a condition that the last paper sheet is recognized by the recognizing and counting unit 55.

Abstract: A computer implemented method for validating the identity of a controller for an automated banking machine based on displayed indicia. The method includes detecting access to a secure compartment of an automated banking machine, displaying a security indicia visible from the secure compartment, receiving the security indicia at an input device and a first controller accessible from outside of the secure compartment, and validating the identity of the controller based on the received security indicia.

Abstract: A document handling apparatus for recycling documents includes an authentication unit, a first recycling storage unit, a document cassette, and a controller. The authentication unit is for receiving an input document and classifying the input document as having a class that is one of a plurality of classes. The first recycling storage unit is adapted to store documents belonging to two or more of the plurality of classes. The document cassette is adapted to store received documents. The controller is adapted to direct the input document to one of the document cassette and the first recycling storage unit based on content of the first recycling storage unit and the class of the input document. Related apparatus, systems, techniques, and articles are also described.

Abstract: A method for determining the stock of notes of value in a device (12) for receiving notes of value includes determining the orientation of a note of value before it is fed to the device (12) and storing the order in which the notes of value are received in the device (12). For at least a part of the received notes of value their respective orientation is stored such that it is unambiguously assigned to the note of value. For determining the stock, the respective orientation of a predetermined number of successively removed notes of value is determined. These determined orientations are compared with the stored orientations and dependent on the result of the comparison the stock of notes of value in the device (12) is determined.

Abstract: Among other things, one or more systems and/or techniques for labeling a refill contain and/or for enabling operation of the refill container by a dispensing system based upon one or more indicia of the label satisfying a dispensing key are provided. In an example, a label may be applied to a refill container. The label may comprise a first region having a first indicia that may correspond to a shape, color, and/or texture (e.g., a yellow star indicia). A dispensing system may enable operation of the refill container (e.g., installation and/or dispensing of material from the refill container) based upon the first indicia satisfying a dispensing key (e.g., a yellow key component and/or a star shape component). Otherwise, the dispensing system does not enable operation of the refill container (e.g., the refill container is not genuine or is not an appropriate refill container type).

Abstract: Described is a method for checking a value document having a polymer substrate and at least one see-through window, in which a digital transmission image of the value document is captured, the transmission image comprising pixels, in the image an edge brightness value for the brightness of an edge of the at least one see-through window is ascertained, using the edge brightness value, a threshold value for the recognition of a print removal is ascertained which is smaller than the edge brightness value but greater than the minimal brightness in the image, it is checked whether pixels which lie in at least one specified portion of the image and outside the at least one see-through window and its edge have a brightness which lies above the threshold value.

Abstract: A sheet processing system comprising: a sheet processing apparatus; and a sheet counting apparatus, wherein the sheet processing apparatus includes: a conveying unit for conveying a sheet to be processed; a determination device for determining the sheet conveyed by the conveying unit; and an accumulation unit for accumulating a rejected sheet on the basis of a determination result given by the determination unit, wherein the sheet counting apparatus includes a counting device for counting the paper sheet, and the paper sheet counting apparatus counts the rejected sheet accumulated on the accumulation unit of the sheet processing apparatus, and having a transmitting unit that transmits an information about the counting result to a receiving unit of the paper sheet processing apparatus.

Abstract: A cash processing apparatus includes a storage section, a money depositing conveyance module, a money dispensing conveyance module and an identification module. The storage section stores money by denominations for paying out. The money depositing conveyance module conveys money from a money depositing port to the storage section. The money dispensing conveyance module conveys money from the storage section to a money dispensing port. The identification module identifies the denomination of the money conveyed by the money depositing conveyance module and also detects stain of the money. The money depositing conveyance module collects the money of which stain is detected by the identification module to a collection section, and conveys the money of which no stain is detected by the identification module to the storage section by individual denominations.

Abstract: A banknote handling apparatus 100 is configured to perform a sorting process of banknotes. The banknote handling apparatus includes: a taking-in unit 10 configured to take in a banknote one by one; a transport unit 70 configured to transport the banknote having been taken in from the taking-in unit 10; a recognition unit 20 configured to recognize the banknote transported by the transport unit 70; a control unit 50 configured to control the transport unit 70, such that the banknote having been recognized by the recognition unit 20 is transported to any one of a plurality of stacking units 60a to 60h, based on a sorting pattern; and a sorting-category receiving unit 40 configured to receive at least one sorting category. The control unit 50 is configured to create the sorting pattern by deciding types of banknotes to be stacked in the respective stacking units 60a to 60h, based on the number of the stacking units 60a to 60h and the sorting category.

Abstract: An image forming apparatus includes an accommodation unit and a display unit. The accommodation unit accommodates a sheet having an image formed thereon. The display unit displays a selection screen that prompts a user to select information concerning a user who has given instructions to the accommodation unit to accommodate a sheet. The display unit displays a predetermined screen that represents a state or function of the image forming apparatus, and switches the predetermined screen to the selection screen on condition that the instructions have been received.

Abstract: A device for the insertion of banknotes into containers in machines suitable for receiving and handling banknotes, comprises a container for the banknotes, adapted to be closed and removed from the machine once filled, and a loading path, diverting from a circulation path inside the machine and ending at said container, for the insertion of banknotes into the container. The device further comprises at least one scanner, placed along the loading path, for the optical detection of images of the banknotes entering into the container and a memory connected to the scanner for storing the images detected thereby.

Abstract: A method of authenticating a polymer film comprises measuring the thickness of a layer therein by white light interferometry and/or measuring the birefringence of a layer therein. The method, and devices to carry out the method, may be used in security applications, for example to test for counterfeit bank notes.