(19) 9d
`
`(12)
`
`Europdisches Patentamt
`EuropeanPatent Office
`Office européen des brevets
`
`
`UNMET
`(11)
`EP 0 880 091 A2
`EUROPEANPATENT APPLICATION
`
`(43) Date of publication:
`25.11.1998 Bulletin 1998/48
`
`(21) Application number: 986600476
`
`(22) Date offiling: 19.05.1998
`
`(84) Designated Contracting States:
`AT BE CH CY DE DK ESFIFRGBGRIEITLILU
`McC NL PT SE
`Designated Extension States
`AL LT LV MK RO SI
`
`(30) Priority: 21.05.1997 Fl 972159
`
`(71) Applicant: NOKIA MOBILE PHONES LTD.
`02150 Espoo (Fl)
`
`
`
`(51) Intc.®: GO6F 3/033, HO4B 1/38
`
`(72) Inventor: Korhonen, Panu
`00180 Helsinki(Fl)
`
`(74) Representative: Levlin, Jan Markus
`Berggren Oy Ab
`P.O, Box 16
`00101 Helsinki (Fl)
`
`(54)
`
`A method and an arrangementfor scrolling information presented on a display of a mobile
`station
`
`~The invention relates to a method and anar-
`(57)
`rangementfor scrolling information (12) presented on a
`display of a mobile station. According to the invention a
`pointing means (17) is moved onthe active area of the
`display (15), and the displayed part of the information
`(12, 13, 14) on the display (15)is scrolled in the direction
`of the movementof the pointing means (17). The point-
`ing means (17) can also be moved on a touch surface.
`Said presented information (12, 13, 14)is left scrolling
`in the direction of the movement when the pointing
`means (17) is moved outside the active area of the dis-
`play (15). The displayed part of the presented informa-
`tion (12, 13, 14) is left scrolling, even if the pointing
`
`means(17)is lifted off the surface of the active area of
`the display. The displayed part left scrolling will scroll at
`arate retarding byitself. Said presented information(12,
`13, 14) is stopped by touching the active area ofthe dis-
`play (15) with the pointing means(17). The scrolling rate
`of said presentedinformation (12, 13, 14) on the display
`(15) is indicated by generating a sound which is propor-
`tional to the speed of the movement. Said presented in-
`formation (12, 13, 14) is arranged in the form of an im-
`aginary cylinder(11) rotating in the display (15), where-
`by the elements (13, 14) of a list (12), such as text and
`symbols, are displayed on the outer surface of the cyl-
`inder(11).
`
`12
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`4
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` IN
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`4. ELEMENT
`5. ELEMENT
`6. ELEMENT
`
`7. ELEMENT
`
`8. ELEMENT
`
`
`9. ELEMENT
`
`10. ELEMENT
`
`
`
`15
`
`FIGURE 1
`
`Printed by Jouve, 75001 PARIS (FR)
`
`EP0880091A2
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`Description
`
`played part of the presented information is scrolled in
`the displayin the direction of the movementofthe point-
`ing means. The control area of the display can be a
`The object of the invention is a method defined in
`touch sensitive area arranged on the surface ofthe dis-
`the ingress of claim 1 and an arrangement defined in
`play, ora separate surfacein anotherlocation of the mo-
`the ingress of claim 12 in order to scroll data presented
`bile station for controlling the display.
`on a display of a mobile station.
`Information such as facts, names and/or numbers
`According to a preferred embodimentofthe inven-
`tion the displayed part of the information presented on
`concerning persons or things, are often stored in the
`the display of said mobile station is left scrolling in the
`form of a list in the memory of a mobile station, Data
`10
`relating to the same fact form an elementofthelist.
`vertical direction, evenif the pointing means is removed
`
`For selecting an elementinalist there are known from the control areaof the display. Said removalis ef-
`methods, which for selection presents one or more al-
`fected by moving the pointing means along the control
`ternative elements at a time on the display of the mobile
`areaof the display and outfromit, or bylifting the point-
`station. The scrolling of the list is controlled by a sepa-
`ing meansfrom the control areaof the display. The ver-
`rate control means. However, this way of action has a
`tical scrolling direction here means the columndirection,
`orin other words the direction whichis transversal to the
`problem in that in small-sized devices generally only the
`lines.
`options presented on thedisplay are visible because the
`displays are rather small and in the present way they do
`According to a preferred embodimentof the inven-
`not have space for several list elements at the same
`tion said displayed part, whichis left scrolling,
`is ar-
`time. The scrolling of the lists requires control means,
`rangedto scroll at a rate measuredfor, or proportional
`such as keys or a rotatable knob, which require space
`to, the speed of the pointing meansat the last moment
`on the device surface. A mouse pointer can not be used
`before it was removed. The speedof the pointing means
`in small-sized devices, such as in present-day mobile
`in the direction of the control area of the display, when
`stations, becausenointerfaceis available for a mouse.
`the pointing means is removed, determinestheinitial
`scrolling speed of the displayed part and the scroll di-
`Also in other respects a mousepointeris notreally suit-
`rection.
`able in connection with a small-sized portable device.
`A disadvantage with prior art methodsis that from
`According to a preferred embodimentof the inven-
`a longlist it is difficult to get into view thelist elements,
`tion said displayed part is left scrolling if said speed ex-
`such as names and/or numbers. With the current display
`ceeds a predetermined limit. When the speed is lower
`procedures only one or a few of thelist elements at a
`thanthislimit the displayed part is immediately stopped.
`time are visible in the device's display, and there is not
`According to a preferred embodimentof the inven-
`sufficiently space to display an elementin its whole
`tion said displayedpart left scrolling is arrangedto scroll
`width on the display. A further disadvantage is that a
`and retard byitself. Said retardation is effected by ap-
`control meansis required on the device surfacein order
`plying a suitable, for instance an exponential formula.
`to handlethelist.
`According to an embodiment of the invention said
`Touch screens are also already known in personal
`scrolling is stoppedif the scrolling speed falls below a
`computers, in personal digital assistants (PDA) and in
`predeterminedlimit. This limit is in practice selected
`oscilloscopes. Touch screens are usedfor information
`substantially lower than the limit for leaving the dis-
`input by touching an icon shown on the display with a
`played part to scroll. Thus the scrollingis left on only at
`finger, a special pen or with some other pointing means.
`a clearly perceivable speed, but is completely stopped
`The object of the invention is to solve the abovepre-
`only whenin practice it appears to have stopped. Thus
`sented problemsofprior art, particularly to facilitate the
`a movement, which was thought of as stopped,will not
`scrolling of a longlist. In order to presentthelist on the
`causethe displayed part to drift.
`display there is at the same time presented a method
`According to an embodimentof the invention said
`whichis faster, easier and clearer than the prior meth-
`presented information is stopped by touching the dis-
`ods.
`play control area with a pointing means.
`According to an embodiment of the invention the
`presented information's scrolling rate on the display is
`indicated by generating a sound proportional to the
`scrolling rate. The proportionality to the scrolling rateis
`indicated by the frequency and/or the loudness of the
`sound. Interruptions of the sound can also be used to
`representthe scrolling, for instance by changingthein-
`terruption frequency.
`According to an embodimentof the invention said
`presented information is shownin the display on the out-
`er surface of an imaginary cylinder. The presentedin-
`formation comprises data elements, such as text and
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`The characteristic features of the method according
`to the invention are presented in the characteristic
`clause of claim 1. The characteristic features of the de-
`vice according to the invention are presented in the
`characteristic clause of claim 12. Preferred embodi-
`ments ofthe invention are presented in the dependent
`claims.
`The objectof the invention is a method to scroll data
`presented on the display of a mobile station. According
`to the invention the control areaof the display is touched
`with a pointing means, the pointing means is moved in
`contact with the control area of the display, and the dis-
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`EP 0 880 091 A2
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`symbols. The axis of the imaginary cylinderis preferably
`in the plane of the display orhorizontally below it. A part
`of the elements of the information, such asa list, are
`visible in the display. The cylinder can be rotated with a
`pointing means, such as with a finger, by touching the
`displayed part of the list element and by movingthis el-
`ementwith the pointing meansin the desired direction,
`whereby elements which in the motion direction are in
`front of the element to be movedwill be moved outside
`the display, and new elementswill be visible behind this
`element. When required, the imaginary cylinder is also
`movedsideways.
`An objectof the invention is also an arrangementto
`scroll the presented information, whereby the arrange-
`ment comprisesa display to present the information and
`a meansto scroll said presented information. According
`to the invention the arrangement comprises a display
`control area for detecting the touch of a pointing means,
`and meansto scroll the displayed part of the presented
`information in the movementdirection of the pointing
`means.
`In an embodimentofthe invention said control area
`comprises an active surface on the display for detecting
`a touch of the pointing means. The active surface is
`mostpreferably a surface covering almostthe whole dis-
`play, but alternatively it has a strip form. There can be
`a plurality of said strips.
`In an embodimentof the invention said contro! area
`includes a separate touch surface for detecting a touch
`of the pointing means.
`In one embodiment of the invention the arrange-
`mentfurther includes means to generate a sound which
`is proportional to the scrolling speed of the presented
`information.
`In an embodimentof the invention the arrangement
`also includes meansto display said presented informa-
`tion in the form of a cylinder rotating in the display,
`whereby the information elements, such as text and
`symbols, are displayed on the outer surfaceof the cyl-
`inder. The size of the elements and their spacing can be
`displayedin different sizesin different places on the cyl-
`inder, and the edge formed by the elements can be pre-
`sented as an arcuate edge in order to give a three-di-
`mensional impression. Thus an element scrolled down-
`wards from the top is first drawn as a small element,
`shifted slightly aside in the transversal direction, which
`then grows and moveshorizontally to the center when
`it scrolls into the middle ofthe display.
`A touch screen can berealized with any display unit
`known per se. The display can be touchedby a pointing
`means, such as a finger, a common pencil, or a corre-
`sponding passive means.In these display units a point-
`ing means on the display is located for instance by ca-
`pacitive,
`resistive,
`infrared or acoustic detection. A
`touch screenis usually realized with a cathoderay tube,
`but in the method according to the invention most pref-
`erably with a liquid crystal display (LCD) or a corre-
`spondingflat display.
`
`the invention are particularly the
`Advantages of
`speed and the ease with whichthelist is managed, as
`well as the clarity of presentation. With the method ac-
`carding to the invention preferably severallist elements
`are shown in consecutive order. New elements are
`scrolled into view, and the previous elements are
`scrolled out from the display. The method according to
`the invention also has the advantage that no separate
`scrolling keys are required. This is an important advan-
`tage, as for instance on the surface of mobile stations
`thereis limited space for keys.
`The invention is described below with the aid of the
`enclosed drawings, in which:
`
`figure 1 showsthelist form according to the inven-
`tion on the outer surface of an imaginary cylinder;
`
`in which the ar-
`figure 2 shows a mobile station,
`rangement according to the inventionis realized;
`
`figure 3 shows an embodimentof the method ac-
`cording to the invention as a flow chart;
`
`figure 4 shows someparts of a mobile station, which
`are essential regarding the invention; and
`
`in which the ar-
`figure 5 shows a mobile station,
`rangement according to an embodimentof the in-
`ventionis realized.
`
`Figure 1 showsa preferredlist form according to
`the invention. Thelist 12 with its elements 13, 14 is ar-
`rangedonthe outer surface of an imaginary cylinder 11.
`Only a part of the list 12, or one or more elements 14
`are visible at a time on the display 15 of the device. In
`figure 1 the display 15 isillustrated by a rectangle drawn
`in brokenlines. If the desiredlist element 13 is not vis-
`ible, thenthelist 12 and the cylinder are rotated around
`their axis 16. Thelist 12 is handled by a pointing means
`17.
`
`The elements 13, 14 of thelist 12 shown onthe out-
`er surface of the imaginary cylinder can contain i.a. text,
`numbers, and patterns. At the end ofa list 12 and the
`next beginning there is preferably arranged an empty
`space,particularly whenthe list 12 is short, so that the
`repeated beginningof thelist is clearly perceived, and
`so that a short list 12 will not be repeated on the display.
`The size of the elements 13, 14 of the list 12 and the
`line spacing can be changed,e.g. accordingto their lo-
`cation.
`All elementsto be displayedin the display 15 do not
`have space to display their whole length in the display
`15, so the cylinder can be also moved sideways.
`Figure 2 shows schematically a mobile station 21,
`in which the invention is applied. The mobile station 21
`comprises ia. a display 22, a speaker 23 and a key-
`board 24in order to use the normal functions andtoin-
`put data. A list 26 is shown on the display 22. Broken
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`ment 13, and when required the display is scrolled side-
`lines on the display 22 outline the so called active area
`ways until the desired part of the elementis visible on
`25, whichin practice is perceived by the markings and/
`the display 15.
`or patterns shownin the display 22. A list 26 in text form
`Figure 4 shows some parts of the mobile station
`belongs to these markings and/or figures, and at the
`which are essential for the invention. In order to scroll
`same timeto the active area 25. The active area 25 is
`a touch sensitive area in order to control the contents,
`the displayed information the arrangement includes a
`memory 42 for storing the displayed information, a dis-
`in this casethelist, of the display 22. The end line formed
`play 43 for presenting the information, and means 41,
`by the elements 27 of the list 26 can be presented as
`46 for scrolling said displayed information. The device
`an arc 28, representing a three-dimensionaleffect. The
`of figure 2 comprises meansforscrolling the list 26 by
`active area 25of the display can be touched with a point-
`ing means, here a finger 29,in orderto scroll thelist 26.
`moving the pointing means 28 in the scrolling direction
`In figure 2 the display control areais the above men-
`on the active area 25 of the display. These meansfor
`scrolling the list 26 comprise a central processing unit
`tioned active area 25 of the display, but alternatively it
`41, a display control area or a reading surface 44 for
`is a separate touch surface outside the display for con-
`detecting a touch of the pointing means 28, a pointing
`trolling the display, as showninfigure 5.
`means28, anda program in the memory 42 which reads
`Figure 3 shows an embodiment of the method ac-
`the display control area 25in order to detect a touch and
`cording to the invention in the form of a flow chart. The
`the touch point of the pointing means 28, and in order
`methodis applied in a device, which is a mobile station.
`to scroll the displayed information 26 on the display 22,
`In step 31 a list 12 is selected for display 15 (cf. figure
`so that the displayed information is scrolled in the move-
`1) in a suitable way, for instance with a key. Thelist 12
`ment direction of the pointing means 28 controlled by
`is formed by elements 13, 14 arranged consecutively
`below eachother. A look shows whetherthe desiredel-
`the movementof the pointing means 28.
`The processor based device preferably comprises
`ement 13 can be seen on the touch sensitive display 15
`means 23, 45 to generate a sound whichis proportional
`(step 32). If the element 13 is notvisible, thenthelist 12
`25
`in the active area ofthe display is touchedwith a pointing
`to the scrolling speed of said displayed information 26.
`
`means 17, such aswithafinger, a pencil or anotherin- These meansinclude a speaker 23, an audio section
`strumentof that kind (step 33), andthelist 12 is scrolled
`45, and a control program stored in the memory 42. The
`into the desired direction by moving the pointing means
`soundproportionalto the scrolling speed of the list 26
`17 on the surface of the display in this direction (step
`is for instance generated by the frequency, loudness or
`34).
`If the pointing means 17 is moved outside the dis-
`interruptionsof the sound. The data communication be-
`play the list 12 is left scrolling.
`tween the parts 41 - 45 is realized through the micro-
`The movementofa list 12 left scrolling is preferably
`processor bus 46.
`exponentially retarded. If the list 12 stops before the de-
`The arrangementalso includes meansfor display-
`sired element 13 is visible, the scrolling action (step 34)
`ing the elements 27, such as text and symbols, of the
`can be repeated until the desired element 13, such as
`presented information, here thelist 26, in the display 43
`a name and telephone numberis visible on the display
`on the outer surface of an imaginary cylinder. These
`15. When required, the list 12 is stopped (step 35) by
`meansfor presenting thelist 26 on the display 22 include
`touching an element 13 or 14 ofthe list 12.
`acentral processing unit 41 and a program in the mem-
`Below is described as an example a way to find an ory 42 which createsapicture of a cylindricallist 26 on
`
`40
`
`element 13, 14, 27 onalonglist 26, when the desired the display 43. The user can handle thelist 26 by suit-
`element 13 initially is outside the area 15 visible on the
`ably touching the display control area 25 with a pointing
`display 22. Whenthelist presentation modeis activated
`means28in the above presented manner, and by acting
`on the elements 27 of thelist.
`31 but the desired element 13 is not visible, then the
`cylinder 11 is rotated by moving the pointing means17,
`Figure 5 shows a mobile station 51, in which an ar-
`28 up or down on the element 14, 27 along the display
`rangement according to an embodimentof the invention
`is realized. On oneside of the mobile station 51 is shown
`surface 22. The element 14, 27 moves togetherwith the
`pointing means 17, 28, so that the pointing means will
`a touch surface 53 known per se, which is used as an
`not move outside the element. Whenthe pointing means
`alternative way to control the scrolling operation in the
`17, 28 is movedoff the active area 25 of the display, the
`display 52 of the mobile station 51 by moving a pointing
`list 12, 26 is left in the moving state, or the elementsin
`means on said control surface 53. Preferably the touch
`the display 15, 22 will continue scrolling. The rotation of
`surface 53 operates in the same wayas the active area
`the cylinder12 is preferably exponentially retarding. The
`of the display described above. The touch surface 53
`active area 25 of the display contains a touch sensitive
`operates alternatively in numerous other ways,
`for
`list 26. Therotationis visible as a motion of the elements
`which there are direction arrows 54a, 54b at the ends of
`27 of thelist 22 and heard as a sound proportional to
`the touch surface 53. The direction arrows 54a, 54b rep-
`the speed. When the desired element 13 comesinto
`resent the scrolling direction caused by a touch. Alter-
`view the list 12, 26 is stopped by touching the active
`native ways of operation are ia. scrolling one element
`area 25 of the list, preferably at the location of said ele-
`at a time by touching the touch surface 53 once at a
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`EP 0 880 091 A2
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`direction arrow 54a, 54b; an accelerating scrolling by
`touching the touch surface 53a longertime at adirection
`arrow 54a, 54b: a controlled scrolling rate by touching
`the touch surface 53 continuously in an area between
`the direction arrows 54a, 54b, wherebythe place of the
`touch determines the scrolling speed. The scrolling rate
`obtainsits maximum value according to the placeof the
`touch whenthe touch surface 53is touched a long time.
`The touch can begin at any place of the touch surface
`53 when acontrolled scrolling rate is desired. The scroll-
`ing is stopped whenthe centerof the touch surface 53
`is touched.
`The touch surface 53 of the mobile station 51is al-
`ternatively used, preferably on the basis of a selected
`parameter, as was described above in connection with
`figure 3 regarding the use of the active area ofthe dis-
`play. Thenthe list elements are moved directly propor-
`tionally to the movementof the touch spot on the touch
`surface 53.
`The control area 25 of the mobile station 21 is al-
`ternatively used, preferably on the basis of a selected
`parameter, as was presented above regarding the use
`of the touch surface 53 in the description of figure 5.
`Thenthe touch spoton the active area of the display 25
`causes a scrolling rate which is proportional to the po-
`sition of the touch spot.
`Thelist scrolling in the display is retarded e.g. ac-
`cording to the equation
`
`V=EVers
`
`(1)
`
`where v is the scrolling speed, vg is the scrolling speed
`at the beginning, t is the time, and K is a constant. The
`counting of the time t starts at the moment when the
`scrolling is left on without user control.
`Above we presented a movementonlyin the direc-
`tion of the rotation of an imaginary cylinder, but in order
`to have a view of the end of a longlineit is also possible
`to arrange a transversal movement. This transversal
`movementis preferably only a transition movement,
`without any scrolling separately left on. The transversal
`movementis controlled by the active area on the display,
`or alternatively by a separate horizontal touch surface.
`It is also possibleto limit the movement so that a move-
`mentis possible only in a single direction ata time. Then
`an oblique movement of the pointing means causes a
`vertical or a horizontal scrolling, which is selected for
`instance so that a vertical or horizontal movementis se-
`lected when the oblique movementis in an angle less
`than 45 degrees from the vertical or horizontal, respec-
`tively.
`The invention is not limited to apply only to the
`above presented embodiment examples, but manyvar-
`iations are possible within the inventive idea defined by
`the claims.
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`Claims
`
`A method for scrolling information (12, 13, 14) pre-
`sented on a display of a mobile station, character-
`ized in that a control area of the display is touched
`with a pointing means (17), said pointing means
`(17) is moved in contact with said control area of
`the display, and a displayed part of the presented
`information (12, 13, 14) is scrolled (34) in the display
`(15), inadirection of said movement of said pointing
`means (17).
`
`A method according to claim 1, characterized in
`that said displayed part of the information (12, 13,
`14) presented on the display of the mobile station
`is left scrolling in a vertical direction, even if said
`pointing means (17) is removed from said control
`area of the display.
`
`A method according to claim 2, characterized in
`that said displayed part, whichisleft scrolling, is ar-
`ranged to scroll at a rate measured for a vertical
`speed of said pointing means (17) at the last mo-
`mentbefore it was removed.
`
`A method according to claim 3, characterized in
`that said displayed part is left scrolling if said speed
`exceeds a predeterminedlimit.
`
`A method accordingto claim 2, 3 or 4, character-
`ized in that said displayed part left scrolling is ar-
`rangedto scroll at a rate retarding byitself.
`
`A method according to claim 2, 3, 4 or 5, charac-
`terized in that said scrolling is stoppedif said scroll-
`ing speedfalls below a predeterminedlimit.
`
`A method according to claim 2, 3, 4 or 5, charac-
`terized in that said displayed part of the presented
`information (12, 13, 14) is stopped by touching said
`display contro! area with said pointing means(17).
`
`to 7,
`A method according to any previous claim 1
`characterized in that a scrolling rate of said dis-
`played part of the presented information(12, 13, 14)
`on the display (15) is indicated by generating a
`sound proportionalto said scrolling rate.
`
`to 8,
`A method according to any previous claim 1
`characterized in that the presented information
`(12, 13, 14) is arranged on an outer surface of an
`imaginary cylinder (11) rotating in the display (15).
`
`10.
`
`to 9,
`A method according to any previousclaim 1
`characterized in that said scrolling of said dis-
`played part of the presented information (12, 13,
`14), or a rotation of said imaginary cylinder (11) is
`arranged to be substantially continuous.
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`Th
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`A method according to any previous claim 1 to 10,
`characterized in that said scrolling of said dis-
`played part is limited to be effected onlyin a vertical
`direction.
`
`. A method according to any previous claim 1 to 11,
`characterized in that the presented information
`(12, 13, 14) is arranged asa list (12), the elements
`(13, 14) of which, such as text and symbols,are pre-
`sentedin the display (15).
`
`. An arrangementto scroll the information (26) pre-
`sented on a display (22) of a mobile station (21),
`whereby the arrangementhasa display (22, 43) to
`display information (26) and means(41, 46) to scroll
`the presented information (26), characterized in
`that the arrangementincludes a display control area
`for detecting a touch of a pointing means (28), and
`means(41, 42, 46) to scroll a displayed part of the
`presented information (26) on the display (22) ina
`movementdirection of said pointing means (28).
`
`. An arrangementaccordingto claim 13, character-
`ized in that said control area includes an active sur-
`face (25, 44) on the display (22, 43) for detecting a
`touch of said pointing means (28).
`
`. An arrangementaccordingto claim 13, character-
`ized in that said control area includes a separate
`touch surface (53) for detecting a touch ofthe point-
`ing means (28).
`
`. An arrangement according to claim 13, 14 or 15,
`characterizedin thatit further includes means (23,
`45) to generate a sound whichis proportional to a
`scrolling speed of the presented information (26).
`
`. An arrangementaccordingto any previous claim 13
`to 16, characterized in that
`it further includes
`meansto arrange the presented information (26) in
`a form of a cylinder rotating in the display (22),
`whereby information (26) elements (27), such as
`text and symbols, are displayed on an outer surface
`of a cylinder.
`
`20
`
`25
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
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`

`EP 0 880 091 A2
`
`
`4. ELEMENT
`5. ELEMENT
`
`
`6. ELEMENT
`MENT
`i.
` 8. ELEMENT
`9. ELEMENT
`
`10. ELEMENT
`
`FIGURE1
`
`FIGURE2
`
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`EP 0 880 091 A2
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`
`
`
`FIGURE 3
`
`FIGURE 4
`
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`EP 0 880 091 A2
`
`54a
`
`54b
`
`53
`
`FIGURE 5
`
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