Abstract:
In order to maintain self-service terminals (SS terminals), data must be transferred to a data center by means of telecommunication connections. However, in particularly sensitive fields of application, a direct link of SS terminals to external networks or devices is undesirable. Usually, the maintenance personnel must then access the service and diagnostic data locally at the SS terminal and share said data with the help desk personnel in the data center by telephone. In order to be able to transfer the maintenance and diagnostic data directly between the SS terminal and the data center even without directly linking the SS terminal, the data are transferred in a current-free and radio-free data transfer form in the vicinity of the self-service terminal ( 100 ) by means of sending and receiving devices ( 150, 160, 170 ; MA, CAM, F). This can occur, e.g., by displaying and reading in barcodes (BCs).

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application is a National Stage of International Application No. PCT/EP2010/005537, filed Sep. 9, 2010, and published in German as WO 2011/029595 A2 on Mar. 17, 2011. This application claims the benefit and priority of German Application 10 2009 040 928.9, filed Sep. 11, 2009. The entire disclosures of the above applications are incorporated herein by reference. 
     
    
     BACKGROUND 
       [0002]    This section provides background information related to the present disclosure which is not necessarily prior art. 
       TECHNICAL FIELD 
       [0003]    The invention relates to a method for transferring data for the maintenance of a self-service terminal and to an arrangement for carrying out the method. The invention furthermore relates to a self-service terminal configured to carry out the method. 
       DISCUSSION 
       [0004]    It is known that self-service terminals (also called SS terminals for short), such as automated teller machines, information terminals and the like, are monitored and serviced by means of remote technical maintenance devices. Since the self-service terminals are usually set up or installed at various locations, such as in banks, shopping centers, etc., they are connected by telecommunication links to remote data centers that monitor the status of the self-service terminals. It is additionally known that self-service terminals are serviced and maintained on-site by maintenance personnel. In particularly sensitive application areas, such as exist in the case of automated teller machines, for example, it may be desirable for the particular self-service terminal not to be connected directly over a telecommunication link. In these cases in particular, it is customary for the maintenance personnel themselves to access service and diagnostic data on site at the particular self-service terminal and to store said information on a data carrier, such as a diskette or a memory chip or USB stick, and then to deliver the data carrier in person where the data center is located. It is also quite usual for the maintenance personnel to forward the diagnostic data by telephone over a conventional telephone or a mobile telephone to the central data office. 
         [0005]    DE 60 2004 012 052 T2, or corresponding EP 1 542 158 A1, describes a system consisting of a product label with a data memory and an acoustic coupling, or an acoustic signal generator, to transfer product data over a telephone to a product support system. For example, the serial number of a self-service device or a bank teller machine can be stored on the product label that is transferred to the product support system located, for example, in a call center. 
         [0006]    U.S. Pat. No. 6,697,466 describes a device in the form of an embedded system in which status data are converted into signals, such as DTMF signals, by means of an audio generator and can be issued over a loudspeaker for transmission over a telephone network or similar. 
         [0007]    The point of departure for the present invention is shown in  FIG. 1 . The schematic drawing represents the typical structure of a system with several self-service terminals to be serviced. The self-service terminals, configured in the example here as automated teller machines  100 , are connected to a host  200  over secure data links. These data links, however, serve solely to transfer data that accumulate during while the automated teller machine is in operation and not to transfer information for servicing the automated teller machine. Maintenance is normally performed by appropriate service personnel P, who perform technical diagnosis or inspections on site at the particular self-service terminal and in particular access maintenance or service data. Said data may be, for example, malfunction reports and associated status data that the service technician in question P then forwards to the data center or the help desk located there. To do this, the service technician normally uses a telephone T. The malfunction is then corrected using telephone support from the help desk, when the call agent there has to provide the on-site service technician with telephone instructions or has to request information regarding the diagnostic data, etc. by telephone from said technician. A direct data connection from the self-service terminals  100  to the data center  300  would be desirable. However, this is precisely what is not desirable in particularly sensitive applications. Many self-service terminal operators would like specifically to avoid creating a direct connection between the self-service terminal and a telecommunication link or even an electronic device that the service technician is using. For security reasons, a direct connection to external devices and or networks should be avoided because such a connection would open up opportunities for data attacks and/or planting viruses or similar. 
       SUMMARY OF THE INVENTION 
       [0008]    Accordingly, it is an object of the present invention to propose a method and an arrangement for transferring data for the maintenance of a self-service terminal in which the aforementioned disadvantages are advantageously overcome. Specifically, a direct connection of the particular self-service terminal to external devices and/or networks is to be avoided, and it should still be possible to transfer maintenance and diagnostic data directly between the self-service terminal and the data center. 
         [0009]    Accordingly, it is proposed that data concerning the technical status of the self-service terminal are transferred in a current-free and radio-free transfer form in the vicinity of the self-service terminal by means of sending and receiving devices. Said transfer may specifically involve optical and/or acoustic data transfer forms. The sending and receiving devices are provided with suitable electro-optical or electro-acoustic converters. Accordingly, direct data transfer between the self-service terminal and the data center is possible, where at least on one partial section of the data transfer path, in particular in the vicinity of the self-service terminal, the data are transferred current-free and radio-free. A direct data link is thus enabled, and nevertheless there is the assurance that a direct electrical link, or direct electrical connection, does not result. No radio link subject to interference and/or subject to surveillance is required. 
         [0010]    The terms “current-free” and “radio-free” are comprehensible in themselves. In order to understand the unusual combination of the two terms, the following should be noted: Following the generally accepted meaning, “current-free” is understood to mean that the data to be transferred are not transferred through current-conducting lines or electrical conductors, cables and the like. This means that no electrical current (e.g. in the form of electrical data pulses) flows over the actual transfer route. Thus, the term “current-free” is not to be understood as being identical to “cable-free” or “wireless” because, for example, optical data or signal transfers are possible that are carried over “current-free” cables”, namely fiber optic cables. Naturally, the term “current-free” also includes cable-free transmissions in the form of optical and/or acoustic signals. Following the generally accepted meaning, “radio-free” is understood to mean that the transfer does not place over a wireless link, for example over a Bluetooth connection or similar. On the other hand, wireless, inductive data transfers by means of coils and the like are certainly included. Similarly, the aforesaid optical and/or acoustic data transmissions (e.g. light pulses, ultrasound, audio signals in accordance with V.23 or DTMF) are included. The combination of “current-free and radio-free” accordingly excludes only such transfer forms in which electrical signals or radio signals in the narrower sense are transmitted. 
         [0011]    The invention also proposes an arrangement for carrying out the method as well as a self-service terminal that is provided with sending and receiving devices to carry out current-free and radio-free data transfer of this kind. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0012]    The invention is described in greater detail hereinafter using embodiments and with reference to the additional appended drawings. 
           [0013]    The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure. 
           [0014]      FIG. 2  shows an inventive arrangement in accordance with a first embodiment in a schematic representation. 
           [0015]      FIG. 3  shows an arrangement in accordance with a second embodiment in a schematic representation. 
           [0016]      FIGS. 4   a  and  4   b  show the sending and receiving devices used in the arrangement in greater detail. 
           [0017]      FIG. 5  shows a schematic flow chart for a method in accordance with the invention. 
       
    
    
       [0018]    Corresponding reference numerals indicate corresponding parts throughout the several views of the drawings. 
       DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
       [0019]    Example embodiments will now be described more fully with reference to the accompanying drawings. 
         [0020]    As a first embodiment, an arrangement is shown in  FIG. 2  that comprises a self-service terminal  100 A in the form of an automated teller machine. Several sending devices are provided, here in the form of monitors  150  or  160 , as well as printers. The sending devices are configured to convert the data to be sent, specifically status data or service data that initially exist as electronic data signals, into a data form that involves neither current nor radio waves. Several receiving devices are provided for the current-free and radio-free reception of the data, for example a camera CAM or a fax machine F. The receiving devices are configured to convert the data received into electronic signals again in order to forward said data over a data or telecommunication link to a data center  300 . 
         [0021]    In the example shown here, the data are transferred in the form of an optical data transfer by the automated teller machine  100 A to at least one device that is operated by the service technician. The device has a suitable receiving device, here for example a camera CAM. The data are then transferred in electronic form, preferably over a telecommunication link, by the device, which can be a telecommunication device, specifically a mobile telephone MA, to the data center  300 . 
         [0022]    As  FIG. 2  illustrates, the data transfer can be made in the form of barcodes BC, for example, where the self-service terminal  100 A is furnished with suitable optical sending devices or display devices that are configured here as monitors  150  or  160 , or as printers. If, for example, the data to be transferred are displayed on the customer monitor  150  as a matrix code BC (a 2-D matrix) or as a barcode, this matrix code or barcode can be read in by means of a camera. In what follows, these codes are collectively referred to by the term barcode. 
         [0023]    In the example shown, the camera CAM of the mobile telephone MA that the service technician carries with him anyway is used for this purpose. As soon as the camera CAM has read in barcode(s), the corresponding data can be transferred further over the mobile telephone MA to the data center  300  over conventional telecommunication or mobile telephone links. In this way, a direct data exchange between the self-service terminal  100 A and the data center  300  is established. 
         [0024]    The data transfer can also take place in the opposite direction; for instance, the mobile telephone MA displays the data coming from the data center  300  as a barcode or visually in another manner on the screen of the mobile telephone MA, where a camera is provided at the self-service terminal that in turn reads in this barcode and thus receives the data derived from said barcode. A monitoring camera that is being used anyway could serve this purpose. 
         [0025]    As an alternative to displaying the barcode BC on the customer monitor  150  or on the operator monitor  160 , provision can be made for the barcode(s) BC to be sent over the printer  170  of the self-service terminal  100 A. In this case, the service technician removes the paper output by the printer with the barcodes printed thereon and places the printed paper in the fax machine F. The barcodes are read in there and forwarded as electronic data over the telecommunication network to the data center  300 . Bidirectional data transfer is thus possible in this manner. 
         [0026]    In most applications, however, unidirectional data transfer is adequate, with which service data originating from the self-service terminal  100  are transferred to the data center  300 . The data transfer itself can take place without the assistance of the service technician. He has only to ensure that a telecommunication link to the data center is established. 
         [0027]    In what follows, the proposed method for transferring data will be described as an example, with reference being made to  FIG. 5  that contains a schematic representation for this purpose in the form of a flow chart. 
         [0028]    The method  200  starts with a step  210  in which service data are requested from the self-service terminal or automated teller machine  100 A. This is achieved, for example, by the service technician pressing a specific operating button on the automated teller machine or by entering a specific code over the keypad. Preparation of the requested data and their visual display is thereupon activated in the automated teller machine  100 A, as well as current-free and radio-free near field transfer (see sequence of steps  220 ). To do this, a maintenance diagnostic data generator  120  (see also  FIG. 2 ) accesses the status of different modules or units  110  within the automated teller machine  100 A. Then the maintenance diagnostic data generator  120  generates the desired data regarding the status of the various components or modules  110 . The generator  120  provides all the data or information to be transferred in a consolidated form. The information is then displayed as a barcode BC at a request from the operator or on-site technician (e.g. entering a command, pressing a key or key combination). To do this, the data are converted into a barcode display form inside a downstream transformation unit  130 . Steps  120  and  130  can be implemented as software in such a way that the diagnostic and service platform sits on one driver level (step  120 ); in turn a TSOP (Technical Service and Operations Program) sits on this level (step  130 ) that also forms the human-machine interface to the diagnostic and service platform. The barcode display form in turn is displayed on the customer monitor  150 . The step in the method for the visual display of the data in the form of a barcode is shown in  FIG. 5  as step  221 . 
         [0029]    In a subsequent step  222 , the device MA which was brought by the service technician and is equipped with camera CAM can now optically read in the barcodes BC and thus the data. The mobile telephone device MA of the service technician is preferably employed for this purpose. 
         [0030]    Then, in a further step  230 , data transfer to the data center  300  can take place over a telecommunication network in the conventional sense. For this purpose, the data read in by the camera CAM are converted in the mobile telephone MA, and a radio data transfer is carried out, for example following the GSM standard. 
         [0031]    As was described using  FIG. 2  and  FIG. 5 , the self-service terminal is not connected either electrically or by radio to external devices or networks, but rather a secure and surveillance-free data transfer takes place in the vicinity, configured here, for example, as an optical data transfer. 
         [0032]      FIG. 3  shows a further embodiment in which the data transfer takes place in the form of acoustic signals. A self-service terminal or an automated teller machine  100 B is provided for this purpose, furnished with an acoustic coupler  140  that in turn is suitable for sending acoustic signals and coupling said signals into a conventional telephone T or a mobile telephone MB. From there, the data are converted into electrical signals and transferred over conventional telecommunication networks to the data center  300 . 
         [0033]      FIGS. 4   a  and  4   b  show in detail the construction of such an acoustic coupler of this type  140 . As  FIG. 4   a  shows, the acoustic coupler  140  is designed to accept a mobile telephone MB. The acoustic coupler has a bracket  142  for this purpose that is configured for acoustic shielding and thus for interference-free transfer of sounds. The acoustic coupler specifically has a loudspeaker  143  that sends appropriate sound signals that are received in turn by the microphone on the mobile telephone MB. As an alternative, the sounds can be modulated in accordance using the V.23 modulation method or, at lower data transfer rates, using the DTMF principle. 
         [0034]    One loudspeaker  143  would suffice for unidirectional transfer from the automated teller machine  100 B to the data center  300  (see also  FIG. 3 ). For a bidirectional link an additional microphone funnel  145  with a matching microphone  145 M is provided. As  FIG. 4B  shows in greater detail, microphone  145 M is furnished with a funnel  145  that is placed against the loudspeaker of mobile telephone MB and can thus receive acoustic signals sent by the mobile telephone. These signals could be fed directly into a data processor of the automated teller machine  100 B as electrical signals. However, to prevent ambient noise from interfering with the acoustic signals received, an additional ambient microphone  145 U is provided. Using a differential amplifier  145 D, both microphone signals are combined, when the signal from the ambient microphone  145 U is separated from the signal of the actual microphone  145 M. A clean signal is provided that allows better and interference-free data evaluation. 
         [0035]    The acoustic coupler  140  shown here can, as an example, be integrated directly into the self-service terminal  100 B. It can also be mounted as an additional device to or in the vicinity of the self-service terminal  100 B. As is shown specifically from  FIG. 4   a , the acoustic coupler has a conical shape and can thus be adapted to the maximum number of mobile telephone designs possible. The funnel shape  145  is designed such that it covers as many mobile telephone designs and loudspeaker positions as possible. A rubber lip  144  provides a secure seal against the mobile telephone housing. Because the acoustic coupler, or the funnel, covers only the lower half of the telephone, decoupling between the microphone part and the loudspeaker part is ensured. Electromagnetic shielding measures can be provided in addition that prevent the radio emissions emanating from the mobile telephone from compromising the microphones  145 M and  145 U or the downstream electronics. 
         [0036]    The current-free and radio-free data transfer proposed here is able to provide sufficiently high transfer rates. It has been shown that it is often adequate for maintenance purposes to provide data transfer of several kbit/s. Transmission by an acoustic coupler has the particular advantage that simple and older telecommunication devices and the simplest telephones can be connected. 
         [0037]    The optical data transfer described here likewise has the specific advantage that the data transfer can be carried out over already existing display devices, such as monitors or printers as well as over fax machines. In addition to the optical or acoustic data transfers explicitly described, the implementation of other forms of current-free and radio-free data transfer is also conceivable. For example, inductive data transfer by means of electro-magnetic coils could also be realized. 
         [0038]    The invention is particularly suited for use in self-service terminals that are not provided directly with external devices or external network connections, as is the case with automated teller machines. The field of application of the invention is, however, not restricted to said teller machines alone, but can be employed for any form of self-service terminal. 
         [0039]    The foregoing description of the embodiments has been provided for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same may also be varied in many ways. Such variations are not to be regarded as a departure from the invention, and all such modifications are intended to be included within the scope of the invention.