Abstract:
A motor vehicle includes a steering wheel, a first touchpad integrated into the steering wheel adapted to input commands, a second touchpad integrated into the steering wheel and spatially separated from the first touchpad adapted to input commands, and a coordination module adapted to generate a command to operate a function of the motor vehicle as a function of a touch motion over the first touchpad and a simultaneously-occurring touch motion over the second touchpad.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     The present application claims the benefit of U.S. Provisional Patent Application No. 61/231,880, filed on Aug. 6, 2009, which is expressly incorporated herein in its entirety by reference thereto. 
     The present application is related to U.S. patent application Ser. No. 12/848,695, filed on the even date herewith, entitled “Motor Vehicle,” which is expressly incorporated herein in its entirely by reference thereto. 
    
    
     FIELD OF THE INVENTION 
     The present invention relates to a motor vehicle, e.g., having a steering wheel and a touchpad integrated into the steering wheel for inputting commands. 
     BACKGROUND INFORMATION 
     According to German Published Patent Application No. 101 39 693, in modern electronic devices in a vehicle that constantly offer additional functions with more and more options, multi-function operating elements, by which various functions of the connected devices can be controlled, have been created because of the limited installation space for the associated operating elements. Thus European Patent No. 0 366 132 describes, for example, a multifunction operating device for motor vehicles, in which function groups and individual functions are selected with the aid of a rotary switch, and in which an ENTER function can be triggered. One and the same bidirectional rotary switch is used for selecting menus and individual functions. This rotary switch has click-stop positions, to which menus or individual functions are assigned, the ENTER function being able to be triggered by an axial motion of the rotary switch. Such a multifunction operating device is used, for example, to enter the destination of a navigation system. To this end, an alphanumeric keyboard is illustrated on a display unit, the user being able to move forwards and backwards in the alphanumeric keyboard with the aid of the bidirectional motion of the rotary switch. When the cursor is then situated on the desired alphanumeric character, the latter can be selected by an axial motion of the rotary switch and transferred into the navigation system. 
     German Published Utility Model No. 200 20 227 discloses a motor vehicle steering wheel having two operating elements fixed on the steering wheel for controlling vehicle functions in a vehicle, the operating elements including respectively a touch-sensitive sensor surface, which produces an electronic signal when touched. 
     U.S. Provisional Patent Application No. 61/149,523 and U.S. patent application Ser. No. 12/699,689 describe a motor vehicle having a steering wheel, the motor vehicle including a first display integrated into the steering wheel for variably displaying information, a first touch screen situated above the first display for inputting commands, a second display integrated into the steering wheel so as to be spatially separated from the first display for variably displaying information, and a second touch screen situated above the second display for inputting commands. 
     U.S. Published Patent Application No. 2008/0174570 describes a method for gesture recognition. 
     Two steering wheel rockers are provided for a steering wheel of a VW Golf, by which a map detail may be zoomed. 
     German Published Patent Application No. 10 2006 024 252 discloses a vehicle cockpit having a vehicle steering wheel that has an outer surface that is accessible to a user, the steering wheel being developed in such a way that via the steering wheel it is possible to detect finger movements on the outer surface of the steering wheel, an evaluation circuit for generating evaluation signals being provided, which are correlated with the finger movement and the position of the finger on the steering wheel. 
     German Published Patent Application No. 10 2004 007 253 discloses a steering wheel for a motor vehicle having a hub body, a steering wheel rim, at least one steering wheel spoke for fastening the steering wheel rim on the hub body, and at least one reflection-optical sensor device situated on the hub body, on the steering wheel rim or on the steering wheel spoke for controlling and/or regulating a module of a motor vehicle. 
     German Published Patent Application No. 10 2006 019 065 discloses an input interface for a vehicle cockpit, which includes a switch lever, the switch lever having a knob end that forms a finger support surface, a detection device being provided for generating an output signal in accordance with the position of a finger on the finger support surface. 
     European Patent No. 1 286 861 discloses a safety device and at least one driver-operable device, which may be used in a motor vehicle, each driver-operable device including a manually operable operating element and a display window, the safety device including a memory for storing a graphically almost exact copy image of an operating element of a driver-operable device and a head-up display for projecting a head-up display image of the mentioned graphically almost exact copy image, a plurality of finger position detection sensors being provided for continuously tracking the current position of a finger tip of the driver. 
     PCT Published Patent Application No. WO 2005/025942 discloses a capacitive touch sensor in a motor vehicle. 
     SUMMARY 
     Example embodiments of the present invention improve and/or simplify the operator control of a motor vehicle. For this purpose, it is particularly desirable that the driver is not distracted from traffic events even when operating complex devices. In particular, the control operation of a motor vehicle should be able to be performed very quickly. 
     According to example embodiments of the present invention, a motor vehicle includes a steering wheel, a first touchpad integrated into the steering wheel for inputting commands, a second touchpad integrated into the steering wheel and spatially separated from the first touchpad for inputting commands, and an evaluation module for generating a command (distinct from a command generated by touching or by a touching motion of only one touchpad) for operating a function of the motor vehicle as a function of a touching motion (or a direction of the touching motion) over the first touchpad and a simultaneous touching motion (or a direction of the touching motion) over the second touchpad. Example embodiments of the present invention may be used e.g. in combination with infotainment applications, navigation applications, vehicle settings, driver assistance applications, communications applications (telephone, e-mail, instant messages, blogging, etc.), digital photography, digital video recording, web browsing, etc. 
     A touchpad may include, a (e.g. resistively or capacitively) touch-sensitive surface. A touchpad may include a touch screen. A display may possibly be situated underneath a touchpad. In particular, there is a provision, however, that no display is provided underneath the touchpad. A touchpad may be non-transparent and may be opaque. A touchpad may be arranged as an optical joystick. The mobile telephone Sony Ericsson XPERIA X1 has an optical joystick for example. A touching motion may be a motion over an optical joystick for input as well as a touching motion over a touchpad. 
     A function of a motor vehicle may include the receiving frequency of a radio, the volume of an acoustic output in the motor vehicle, a sound adjustment (type and balance), a selection of a map detail, a title selection, a selection of a destination and/or a temperature adjustment, etc. A function of a motor vehicle may be a function for which a setpoint value is to be met from a selection of, in particular continuous, values. A function of a motor vehicle may be a function that is adjustable in analog fashion, in particular following a scale. The function of the motor vehicle may include scrolling through a list. The function of the motor vehicle may include shifting a map detail. The function of the motor vehicle may include scaling a map detail. The function of the motor vehicle may include moving an element represented on the display. 
     The first touchpad may be situated in the left lateral region of the steering wheel. In this instance, there is in particular a provision that no part of the first touchpad is situated more than 15 cm from the edge of the steering wheel. In particular, there is a provision that the center of the first touchpad is situated no more than 10 cm from the edge of the steering wheel. The second touchpad may be situated in the right lateral region of the steering wheel. In this instance, there is in particular a provision that no part of the second touchpad is situated more than 15 cm from the edge of the steering wheel. In particular, there is a provision that the center of the second touchpad is situated no more than 10 cm from the edge of the steering wheel. 
     The motor vehicle may include a first actuator for producing a haptic feedback when touching the first touchpad. The motor vehicle may include a second actuator for producing a haptic feedback when touching the second touchpad. 
     The motor vehicle may include a display for representing a map detail, the map detail being scalable and/or shiftable as a function of a touching motion over the first touchpad and a simultaneously occurring touching motion over the second touchpad. The map detail may be enlarged as a function of a touching motion over the first touchpad directed toward the edge of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the edge of the steering wheel. The map detail may be reduced as a function of a touching motion over the first touchpad directed toward the center of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the center of the steering wheel. The map detail may be enlarged as a function of a touching motion over the first touchpad directed toward the left and a simultaneously occurring touching motion over the second touchpad directed toward the right. The map detail may be reduced as a function of a touching motion over the first touchpad directed toward the right and a simultaneously occurring touching motion over the second touchpad directed toward the left. 
     A display may include a head-up display for example. A display may be situated in an instrument cluster for the variable representation of information. Such a display may be situated for example between two analog instruments in the instrument cluster. A display may include a TFT or a TFT-like display. 
     The map detail may be shifted in the direction of the touching motion over the first touchpad directed toward the edge of the steering wheel as a function of a touching motion over the first touchpad directed toward the edge of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the center of the steering wheel. The map detail may be shifted in the direction of the touching motion over the first touchpad directed toward the center of the steering wheel as a function of a touching motion over the first touchpad directed toward the center of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the edge of the steering wheel. The map detail may be shifted to the left as a function of a touching motion over the first touchpad directed toward the left and a simultaneously occurring touching motion over the second touchpad directed toward the left. The map detail may be shifted to the right as a function of a touching motion over the first touchpad directed toward the right and a simultaneously occurring touching motion over the second touchpad directed toward the right. 
     The map detail may be shifted downward as a function of a downwardly directed touching motion over the first touchpad and a simultaneously occurring downwardly directed touching motion over the second touchpad. The map detail may be shifted upward as a function of an upwardly directed touching motion over the first touchpad and a simultaneously occurring upwardly directed touching motion over the second touchpad. 
     The motor vehicle may include a display for representing a list of selectable list entries, it being possible to scroll through the list at a first scrolling speed as a function of a touching motion over the first touchpad through the list, it being possible to scroll through the list at a second scrolling speed as a function of a touching motion over the first touchpad and a simultaneously occurring touching motion over the second touchpad, the second scrolling speed being greater than the first scrolling speed. 
     A list entry may be a telephone number or a telephone book entry for example. A list entry may be an icon or symbol and/or an entry for calling up a submenu. A list entry may also be a click-stop position of a scale. Thus a list entry may be, for example, a click-stop position for setting a volume or a station. A list entry may be a digital incremental step. Thus a list entry may be, for example, a natural number, e.g., for indicating a temperature if a temperature selection is made in whole numbers. Thus a list entry may be the setpoint temperature of 21° C. for example. Examples of list entries are shown, for example, in FIGS. 6 to 8 of German Published Patent Application No. 101 39 693; German Published Patent Application No. 101 39 693 is expressly incorporated herein in its entirety by reference thereto. 
     A list may also be an arrangement of operating elements. By the aforementioned scrolling it is possible to change the displayed range of a list and/or to select or mark a list entry. By scrolling it is possible, for example, to shift the marking (for the activation or selection) of the word telephone number shown in FIG. 6 of German Published Patent Application No. 101 39 693 downward or upward. By scrolling it is possible in particular to shift a marking, an activation or a selection for list entries. Furthermore, additional list entries may be displayed by scrolling. There may be a provision for a list entry to be selected by pressing onto one of the touchpads. The lists represented in FIGS. 6 to 8 of German Published Patent Application No. 101 39 693 are examples. 
     A method is for operating a motor vehicle—in particular a motor vehicle including one or more of the aforementioned features—having a steering wheel, the motor vehicle including a first touchpad integrated into the steering wheel for inputting commands and a second touchpad integrated into the steering wheel and spatially separated from the first touchpad for inputting commands, and a command (distinct from a command generated by touching or by a touching motion of only one touchpad) for operating a function of the motor vehicle being generated or produced as a function of the touching motion (or a direction of the touching motion) over the first touchpad and the simultaneously occurring touching motion (or a direction of the touching motion) over the second touchpad. 
     A method is for operating a motor vehicle—in particular a motor vehicle including one or more of the aforementioned features—having a display and having a steering wheel, the motor vehicle including a first touchpad, integrated into the steering wheel, for inputting commands and a second touchpad integrated into the steering wheel and spatially separated from the first touchpad for inputting commands, and a map detail represented by the display being scaled and/or shifted as a function of a touching motion (or a direction of the touching motion) over the first touchpad and a simultaneously occurring touching motion (or a direction of the touching motion) over the second touchpad. 
     The map detail may be enlarged as a function of a touching motion over the first touchpad directed toward the edge of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the edge of the steering wheel. The map detail may be reduced as a function of a touching motion over the first touchpad directed toward the center of the steering wheel and a simultaneously occurring touching motion over the second touchpad directed toward the center of the steering wheel. The map detail may be enlarged as a function of a touching motion over the first touchpad directed toward the left and a simultaneously occurring touching motion over the second touchpad directed toward the right. The map detail may be reduced as a function of a touching motion over the first touchpad directed toward the right and a simultaneously occurring touching motion over the second touchpad directed toward the left. 
     The map detail may be shifted to the left as a function of a touching motion over the first touchpad directed toward the left and a simultaneously occurring touching motion over the second touchpad directed toward the left. The map detail may be shifted to the right as a function of a touching motion over the first touchpad directed toward the right and a simultaneously occurring touching motion over the second touchpad directed toward the right. The map detail may be shifted downward as a function of a downwardly directed touching motion over the first touchpad and a simultaneously occurring downwardly directed touching motion over the second touchpad. The map detail may be shifted upward as a function of an upwardly directed touching motion over the first touchpad and a simultaneously occurring upwardly directed touching motion over the second touchpad. 
     A method is for operating a motor vehicle—particularly a motor vehicle including one or more of the aforementioned features—having a display for representing a list of selectable list entries and having a steering wheel, the motor vehicle including a first touchpad integrated into the steering wheel for inputting commands and a second touchpad integrated into the steering wheel and spatially separated from the first touchpad for inputting commands, it being possible to scroll through the list at a first scrolling speed as a function of a touching motion over the first touchpad through the list, scrolling through the list taking place at a second scrolling speed as a function of a touching motion (or a direction of the touching motion) over the first touchpad and a simultaneously occurring touching motion (or a direction of the touching motion) over the second touchpad, the second scrolling speed being greater than the first scrolling speed. 
     A motor vehicle may be, for example, a land vehicle that may be used individually in road traffic. However, motor vehicles are not restricted to land vehicles having an internal combustion engine. 
     Further features and aspects of example embodiments of the present invention are described in more detail below with reference to the appended Figures. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  schematically illustrates an exemplary embodiment of a motor vehicle. 
         FIG. 2  illustrates an exemplary embodiment of a steering wheel of the motor vehicle shown in  FIG. 1 . 
         FIG. 3  shows an exemplary embodiment of a steering wheel. 
         FIG. 4  shows an exemplary embodiment of a control system. 
         FIG. 5  shows a method implementable in an evaluation module. 
         FIG. 6  shows a method implementable in a coordination module. 
         FIG. 7  shows a steering wheel represented in  FIG. 2 . 
         FIG. 8  shows a map detail represented by a display. 
         FIG. 9  shows a map detail represented by a display in enlarged fashion. 
         FIG. 10  shows the steering wheel represented in  FIG. 2 . 
         FIG. 11  shows the steering wheel represented in  FIG. 2 . 
         FIG. 12  shows the steering wheel represented in  FIG. 2 . 
         FIG. 13  shows the steering wheel represented in  FIG. 2 . 
         FIG. 14  shows the steering wheel represented in  FIG. 2 . 
         FIG. 15  shows an exemplary embodiment of an operating cluster. 
         FIG. 16  shows another exemplary embodiment of an operating cluster. 
         FIG. 17  shows another exemplary embodiment of an operating cluster. 
         FIG. 18  shows another exemplary embodiment of an operating cluster. 
         FIG. 19  shows another exemplary embodiment of an operating cluster. 
         FIG. 20  shows another exemplary embodiment of an operating cluster. 
     
    
    
     DETAILED DESCRIPTION 
       FIG. 1  schematically illustrates a motor vehicle  1 . Motor vehicle  1  has a steering wheel  2  represented in  FIG. 2 , which includes on its left and right edge respectively a touchpad  5  for inputting commands and a touchpad  4  for inputting commands. 
     In addition, motor vehicle  1  includes a control system  10  for controlling a display and for evaluating the output signals TP 4  and TP 5  of touchpads  4  and  5 .  FIG. 4  shows a detailed representation of control system  10 . Control system  10  includes an interface  31  for reading in an output signal TP 4  of touchpad  4  and an interface  32  for reading in output signal TP 5  of touchpad  5 . Evaluation modules  33  and  34  for evaluating output signals TP 4  and TP 5  of touchpads  4  and  5  are connected to interfaces  31  and  32 . The output signals of these evaluation modules  33  and  34  are input signals into a coordination module  35  for generating a command B for operating a function of motor vehicle  1  as a function of the output signals of evaluation modules  33  and  34 . 
     Via a bus system  19 , control system  10  is connected to a Bluetooth interface  12 , a navigation system  13 , an automatic climate control  14 , an infotainment system  15 , and a vehicle control unit  16 . Using touchpads  4  and  5 , it is possible to operate—by appropriate commands B—for example navigation system  13 , automatic climate control  14 , infotainment system  15 , vehicle control unit  16  and—via Bluetooth interface  12 —a mobile telephone  11 . For operating motor vehicle  1  or functions of motor vehicle  1  such as navigation system  13 , automatic climate control  14 , infotainment system  15 , or a distance control system, which may be implemented in vehicle control unit  16  for example, a higher-order menu is represented by a display  3 , which is operable using touchpads  4  and  5 . 
       FIG. 3  shows an alternative arrangement of a steering wheel  102 . There may be a provision to use steering wheel  102  instead of steering wheel  2 . Steering wheel  102  includes a touchpad  104  corresponding to touchpad  4  and a touchpad  105  corresponding to touchpad  5 . 
       FIG. 5  shows an exemplary embodiment of a method implemented in evaluation modules  33  and  34 , which is described in the following with reference to evaluation module  33 . The method starts with a step  41 , in which the output signal of interface  31  is read in. Step  41  is followed by a query  42  to determine whether a touch of touchpad  4  has been detected. If no touch of touchpad  4  has been detected, then query  42  is again followed by step  41 . Otherwise, query  42  is followed by a query  43  for ascertaining the type of touch. 
     If query  43  detects a withdrawal from touchpad  4 , then query  43  is followed by a step  44 , in which a command associated with this withdrawal is generated. Furthermore, a memory, in which coordinates of a previously performed touch are stored, is deleted in step  44 . Step  44  in turn is followed by step  41 . If query  43  detects a pressing action on touchpad  4 , then a command associated with the pressing action on touchpad  4  is generated. Step  45  in turn is followed by step  41 . If query  43  detects a touching motion over touchpad  4 , then query  43  is followed by a step  46 , in which the distance from a previously detected touch point is detected. 
     Step  46  is followed by a query  47  as to whether the distance exceeds a specific threshold value. If the distance does not exceed this specific threshold value, then query  47  is followed by a step  48 , in which the coordinates of the touch are stored. Otherwise, query  47  is followed by a step  49 , in which a trajectory of the touching motion is output. Steps  48  and  49  are again followed by step  41 . 
       FIG. 6  shows a method implemented in coordination module  35 . For this purpose, in a step  51 , the output signals of evaluation modules  33  and  34  are first read in. Step  51  is followed by a query  52  as to whether a simultaneous touching motion over touchpads  4  and  5  occurs. If a touching motion over touchpad  4  occurs simultaneously with a touching motion over touchpad  5 , then query  52  is followed by a step  54 , in which a command is generated for operating a function of motor vehicle  1  as a function of the direction of the touching motion over touchpad  4  and the direction of the touching motion over touchpad  5 . If there is no simultaneous touching motion over touchpads  4  and  5 , then query  52  is followed by a step  53 , in which a command possibly generated in accordance with the method described in  FIG. 5  is output. Steps  53  and  54  are again followed by step  51 . 
     The following table shows the commands generated by steps  53  and  54  when a touching motion over touchpads  4  and/or  5  is detected: 
     
       
         
               
               
               
               
               
             
               
               
               
               
               
             
           
               
                   
               
               
                   
                   
                 touching 
                 touching 
                   
               
               
                   
                   
                 motion 
                 motion 
                   
               
               
                 context 
                 input type 
                 touchpad 5 
                 touchpad 4 
                 command 
               
               
                   
               
             
             
               
                   
               
             
          
           
               
                 map 
                 simultaneous 
                 outward/ 
                 outward/ 
                 enlarge map 
               
               
                   
                   
                 to the left 
                 to the right 
                 (reduce scale) 
               
               
                 map 
                 simultaneous 
                 inward/ 
                 inward/ 
                 reduce map 
               
               
                   
                   
                 to the right 
                 to the left 
                 (increase scale) 
               
               
                 map 
                 not simultaneous 
                 outward/ 
                 — 
                 rotate map counter- 
               
               
                   
                   
                 to the left 
                   
                 clockwise 
               
               
                 map 
                 not simultaneous 
                 — 
                 outward/ 
                 rotate map clockwise 
               
               
                   
                   
                   
                 to the right 
                   
               
               
                 map 
                 not simultaneous 
                 inward/ 
                   
                 rotate map clockwise 
               
               
                   
                   
                 to the right 
                   
                   
               
               
                 map 
                 not simultaneous 
                 — 
                 inward/ 
                 rotate map counter- 
               
               
                   
                   
                   
                 to the left 
                 clockwise 
               
               
                 map 
                 simultaneous 
                 inward/ 
                 outward/ 
                 move map to the right 
               
               
                   
                   
                 to the right 
                 to the right 
                   
               
               
                 map 
                 simultaneous 
                 outward/ 
                 inward/ 
                 move map to the left 
               
               
                   
                   
                 to the left 
                 to the left 
                   
               
               
                 map 
                 simultaneous 
                 downward 
                 downward 
                 move map downward 
               
               
                   
                   
                   
                   
                 or tilt map forward 
               
               
                 map 
                 simultaneous 
                 upward 
                 upward 
                 move map upward 
               
               
                   
                   
                   
                   
                 or 
               
               
                   
                   
                   
                   
                 tilt map backward 
               
               
                 list 
                 not simultaneous 
                 outward/ 
                 — 
                 scroll to the left or  
               
               
                   
                   
                 to the left 
                   
                 upward 
               
               
                 list 
                 not simultaneous 
                 — 
                 outward/ 
                 scroll to the right or 
               
               
                   
                   
                   
                 to the right 
                 downward 
               
               
                 list 
                 not simultaneous 
                 inward/ 
                 — 
                 scroll to the right or  
               
               
                   
                   
                 to the right 
                   
                 downward 
               
               
                 list 
                 nots imultaneous 
                 — 
                 inward/ 
                 scroll to the left or  
               
               
                   
                   
                   
                 to the left 
                 upward 
               
               
                 list 
                 not simultaneous 
                 downward 
                 — 
                 scroll downward 
               
               
                 list 
                 not simultaneous 
                 — 
                 downward 
                 scroll downward 
               
               
                 list 
                 not simultaneous 
                 upward 
                 — 
                 scroll upward 
               
               
                 list 
                 not simultaneous 
                 — 
                 upward 
                 scroll upward 
               
               
                 list 
                 simultaneous 
                 inward/ 
                 outward/ 
                 scroll at increased  
               
               
                   
                   
                 to the right 
                 to the right 
                 scrolling speed to the  
               
               
                   
                   
                   
                   
                 right or downward 
               
               
                 list 
                 simultaneous 
                 outward/ 
                 inward/ 
                 scroll at increased  
               
               
                   
                   
                 to the left 
                 to the left 
                 scrolling speed to the  
               
               
                   
                   
                   
                   
                 left or upward 
               
               
                 list 
                 simultaneous 
                 downward 
                 downward 
                 scroll at increased  
               
               
                   
                   
                   
                   
                 scrolling speed  
               
               
                   
                   
                   
                   
                 downward 
               
               
                 list 
                 simultaneous 
                 upward 
                 upward 
                 scroll at increased  
               
               
                   
                   
                   
                   
                 scrolling speed  
               
               
                   
                   
                   
                   
                 upward 
               
               
                   
               
             
          
         
       
     
     If a map detail is represented by display  3  for example, and there is a touching motion over touchpad  5  in the direction of the arrow indicated by reference numeral  61  and there is simultaneously a touching motion over touchpad  4  in the direction of the arrow indicated by reference numeral  62 , then the map detail represented by display  3  is enlarged as represented in exemplary fashion in  FIGS. 8 and 9 . In this instance,  FIG. 8  shows the map detail prior to the touching motion over touchpads  4  and  5  corresponding to arrows  61  and  62 , and  FIG. 9  shows the map detail after this touching motion over touchpads  4  and  5 . 
     If there is a touching motion over touchpad  5  in the direction of the arrow indicated by reference numeral  63  and simultaneously a touching motion over touchpad  4  in the direction of the arrow indicated by reference numeral  64 , then the map detail is reduced. In this instance,  FIG. 9  shows the map detail prior to the touching motion over touchpads  4  and  5  corresponding to arrows  63  and  64 , and  FIG. 8  shows the map detail after this touching motion over touchpads  4  and  5 . 
     If there is a touching motion over touchpad  5  toward the left (that is, in the direction of arrow  61 ) and at the same time a touching motion over touchpad  4  toward the left (that is, in the direction of arrow  64 ), then the map detail is shifted to the left. If there is a touching motion over touchpad  5  toward the right (that is, in the direction of arrow  63 ) and at the same time a touching motion over touchpad  4  toward the right (that is, in the direction of arrow  62 ), then the map detail is shifted to the right. If there is a touching motion over touchpad  5  downward and simultaneously a touching motion over touchpad  4  downward, then the map detail is shifted downward. If there is a touching motion over touchpad  5  upward and simultaneously a touching motion over touchpad  4  upward, then the map detail is shifted upward. 
     If a list is represented on the display for example, as shown in exemplary fashion in FIGS. 6 to 8 of German Published Patent Application No. 101 39 693, then it is possible to scroll through the represented lists by touching touchpads  4  and  5 . If there is a touching motion over touchpad  5  toward the left for example—as shown in FIG.  11 —without the occurrence of a touching motion over touchpad  4 , then the action is one of scrolling toward the left or upward. If there is a touching motion over touchpad  5  toward the right for example—as shown in FIG.  12 —without the occurrence of a touching motion over touchpad  4 , then the action is one of scrolling toward the right or downward. If there is a touching motion over touchpad  4  toward the left for example—as shown in FIG.  13 —without the occurrence of a touching motion over touchpad  5 , then the action is one of scrolling toward the left or upward. If there is a touching motion over touchpad  4  toward the right for example—as shown in FIG.  14 —without the occurrence of a touching motion over touchpad  5 , then the action is one of scrolling toward the right or downward. 
     On the other hand, if there is a touching motion of touchpad  5  toward the left and simultaneously a touching motion of touchpad  4  toward the left, then the action is one of scrolling toward the left or upward at an increased speed. If there is a touching motion of touchpad  5  toward the right and simultaneously a touching motion of touchpad  4  to the right, then the action is one of scrolling toward the right or downward at an increased scrolling speed. 
       FIGS. 15 to 20  show operating clusters for alternative use in place of touchpads  4  and  5 . In this instance there may be a provision for the operating cluster shown in  FIG. 15 ,  17 , or  19  to replace touchpad  5  and/or for the operating cluster shown in  FIG. 16 ,  18 , or  20  to replace touchpad  4 . 
     The operating cluster represented in  FIG. 15  includes a concave touchpad  205 , a return button  201  and a button  202  for calling up a main menu. The operating cluster represented in  FIG. 16  includes a concave touchpad  204 . 
     The operating cluster represented in  FIG. 17  includes a boomerang-shaped touchpad  305 , below which a return button  301  and a button  302  for calling up a main menu are situated. The operating cluster represented in  FIG. 18  includes a boomerang-shaped touchpad  304  arranged in mirror image. 
     The operating cluster represented in  FIG. 19  includes a grooved touchpad  405 , below which a button  402  for calling up a main menu is situated. The operating cluster represented in  FIG. 20  includes a grooved touchpad  404  developed in mirror image, below which a return button  401  is situated. 
     LIST OF REFERENCE CHARACTERS 
     
         
           1  Motor vehicle 
           2 ,  102  Steering wheel 
           3  Display 
           4 ,  5 ,  104 ,  105 , 
           204 ,  205 ,  304 , 
           305 ,  404 ,  405 , Touchpad 
           10  Control system 
           11  Mobile telephone 
           12  Bluetooth interface 
           13  Navigation system 
           14  Automatic climate control 
           15  Infotainment system 
           16  Vehicle control unit 
           19  Bus system 
           31 ,  32  Interface 
           33 ,  34  Evaluation module 
           35  Coordination module 
           41 ,  44 ,  45 ,  46 , 
           48 ,  49 ,  51 ,  53 , 
           54  Step 
           42 ,  43 ,  47 ,  52  Query 
           61 ,  62 ,  63 ,  64  Arrow 
           201 ,  301 ,  401  Return button 
           202 ,  302 ,  402  Button for calling up a main menu 
         B Command 
         TP 4 , TP 5  Output signal