WO1999048043A1 - Ecran tactile pour moniteur comportant des transducteurs et des elements de pretensionnement alignes - Google Patents

Ecran tactile pour moniteur comportant des transducteurs et des elements de pretensionnement alignes Download PDF

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Publication number
WO1999048043A1
WO1999048043A1 PCT/EP1999/001717 EP9901717W WO9948043A1 WO 1999048043 A1 WO1999048043 A1 WO 1999048043A1 EP 9901717 W EP9901717 W EP 9901717W WO 9948043 A1 WO9948043 A1 WO 9948043A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensors
elements
monitor
reference body
force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP1999/001717
Other languages
German (de)
English (en)
Inventor
Reinhard Urbasik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoft & Wessel AG
Original Assignee
Hoft & Wessel AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoft & Wessel AG filed Critical Hoft & Wessel AG
Priority to AU31453/99A priority Critical patent/AU3145399A/en
Publication of WO1999048043A1 publication Critical patent/WO1999048043A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
    • G07F19/20—Automatic teller machines [ATMs]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • G06F3/04142—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
    • G07F19/20—Automatic teller machines [ATMs]
    • G07F19/201—Accessories of ATMs

Definitions

  • the invention relates to a device for locating pressure forces exerted on a surface.
  • the invention has for its object to provide a device with a touch-sensitive surface, the construction and operation of which is improved compared to the prior art. This object is achieved by the features defined in claim 1. Further developments are characterized in the dependent claims. 2
  • the invention consists in a device for locating pressure forces exerted on a flat or curved, essentially dimensionally stable surface in that a body containing or supporting the surface or a flat or curved disk is provided that the disk has at least three over the Surface-distributed pressure-sensitive sensors are assigned to the sensors on a reference body, for example a frame, arranged or mounted on or on this, that body or disc and reference body or frame are connected to one another by pretensioning elements, and that the pretensioning elements are arranged laterally offset relative to the sensors.
  • the pane can be transparent or opaque, it can be a plate, but it can also be a curved pane and even a pane designed as a lens. After all, the pane itself can also be a flat screen. Vandalism can be avoided by a front panel of the housing or frame, which extends to the edge of the body or the pane and is sealed against this edge. When using a disc that is curved outwards, the diaphragm can also be curved accordingly.
  • the shape of the surface can be chosen almost arbitrarily. For example, it can be rectangular or oval. It can be flat, but it can also be curved.
  • the shape of the surface can be chosen almost arbitrarily. For example, it can be rectangular or oval. It can be flat, but it can also be curved.
  • Figure 1 is a basic front view of a device according to the
  • Figure 2 is a sectional side view of Figure 1
  • Figure 3 is an illustration of the power system
  • Figure 4 is a rear view of the front window of FIG. 1 without
  • FIG. 5 shows a sectional side view of FIG. 4
  • FIG. 6 shows a view of the front window according to FIG. 1 with positioning parts for the preloading elements
  • FIG. 7 shows a side view of FIG. 6
  • FIG. 8 shows a view of the front window according to FIG. 1 With
  • FIG. 9 is a side view of FIG. 8
  • FIG. 10 is a view of the front pane according to FIG. 1 with sensors as
  • FIG. 11 is a side view of FIG. 12
  • FIG. 12 is a view according to FIG. 1 with holding or pretensioning elements as anchoring elements for fastening material
  • FIG. 13 is a side view of FIG. 12, FIGS. 14 to 19 and FIGS. 21-24 different Embodiments of the
  • FIG. 20 shows a detail from Fig. 19
  • Figure 25 shows the side view of a locating device with a flat
  • Figure 26 is the sectional side view of a monitor with a superior
  • FIG. 27 is a front view of another embodiment than FIG. 1. 4
  • FIG. 1 shows a basic front view of a device according to the invention for locating pressure forces F which are exerted on an essentially dimensionally stable, that is to say non-compliant, surface 1 of a body 2 designed as a disk.
  • the body 2 is assigned four pressure-sensitive sensors 3, which are supported on a reference body 4.
  • the reference body 4 is connected to the body 2 to form a unit, in particular clamped, by means of two biasing elements 6 which are laterally offset relative to the sensors 3.
  • the prestressing elements 6 and the pressure-sensitive sensors 3 are dimensioned such that the pressure-sensitive sensors 3 are prestressed.
  • the biasing elements 6 act for this purpose resiliently on the connection of parts 2 and 4, as indicated by the springs 7 in Fig. 2.
  • a sensor arrangement with at least three sensors 3 makes it possible to determine the coordinates which are exerted by a pressure force F on the surface 1 of the body 2.
  • the surface 1 of the body 2 can with any, in the figure. 1 not drawn symbols can be designed.
  • the surface 1 of the body 2 becomes an operator interface in which certain fields are simulated in their function as digital, analog pressure-sensitive switches or potentiometers.
  • the two bodies 2 and 4 could be made continuously opaque, for example adjacent disks.
  • FIG. 2 shows a side view of the device shown in FIG. 1 with two such adjacent disks.
  • the reference body 4 is designed like a frame, as indicated by the edge 5 in FIG. 1.
  • Such a frame-like design of the reference body 4 behind a transparent pane is shown in Fig. 1 by the visible inner edge 5 of the frame.
  • Such an execution can be in front of a monitor screen 5
  • the respective screen display of the monitor or display can be used as the user interface.
  • FIG. 3 shows a force system acting on the sensors 3 when a force F occurs in connection with a corresponding coordinate system.
  • the force F is transmitted to the sensor arrangement from the sensors 3 with the aid of the essentially dimensionally stable body 2 in accordance with the general statics for a flat force system (in FIG. 3).
  • the force F causes a spatial displacement of the body 2 essentially perpendicular to the surface 1 in the direction of the sensors 3.
  • This body 2 distributes the force F to the individual sensors 3 in accordance with the center of gravity of the force F.
  • Assume linear characteristic curve with few equations for each point of the surface 1 of the body 2 calculate the respective point of application of the force F.
  • a first equation assumes that the sum of all forces acting on the body 2 (ie force F and the counterforce exerted by the sensors 3) is zero.
  • the other two equations give the moments in the x direction and the y direction of the xy plane separately.
  • the x, y vectors practically span a plane which, with a good approximation, corresponds to a parallel displacement of the area spanned by the contact / measurement points of the force sensors.
  • Each force F acting on the surface 1 of the body 2 that is to say also obliquely acting forces, as shown in FIG. 3, allows a detection of this force F and a transmission of the vertical component Fz of this force F with corresponding moments in x or y Direction towards the sensors 3 (four in FIG.
  • FIG. 3 shows an arrangement of positioning parts 8 on the back of the body 2 for securing the position of the body 2 relative to the sensors 3 held by the reference body 4 or fastened thereon.
  • FIG. 5 shows the sectional side view of FIG. 4.
  • FIG. 6 shows an arrangement of positioning parts 9 on the front of the body 2, for example on the surface 1, for securing the position of the body 2 relative to the holding elements 6 joining the reference body 4 and the body 2.
  • FIG. 7 shows a sectional side view of FIG. 6.
  • FIG. 8 shows an arrangement of positioning or guiding parts 10 next to the edge of the body 2, which prevent the body 2 from moving in relation to the reference body 4 in the xy plane.
  • These guide parts 10 are attached to the body or frame 4, for example.
  • FIG. 9 shows a sectional side view of FIG. 8, which clearly shows how the guide parts 10 are attached to the body or frame 4.
  • the 10 shows a fastening of the body 2 directly to the sensors 3, which thus prevent movement of the body 2 relative to the reference body 4 in the xy plane.
  • the sensors 3 are designed as bending beams that can carry or accommodate special fastening material in assembly stations 31, 32.
  • FIG. 11 shows a sectional side view of FIG. 11, which clearly shows how the sensors 3 are designed as bending beams and are connected to the body 2. 7
  • FIG. 13 shows a sectional side view of FIG. 11, which clearly shows that the prestressing elements additionally carry the fastening material and are connected to the body 2.
  • the prestressing elements are laterally offset relative to the sensors, so that the fastening material does not engage in the sensors.
  • the individual components such as the bodies 2 and 4, the sensors 3 and the positioning parts 8-10 are combined by the prestressing elements 6 into one unit, to form a system with which any in the room to detect extended force on the surface 1 and to transfer it into the coordinate system of the device.
  • the force component Fz acting perpendicularly on the surface 1 determines the location of the coordinate sought.
  • FIGS. 14 to 19 show such different exemplary embodiments of the prestressing elements 6.
  • the holding element 6 has a clip 12 that surrounds the edge 11 of the body 2 and a bolt 13 arranged in the reference body 4 perpendicular to the surface 1 of the body 5, which is connected to the clip 12 by a lever arm 14 on the side of the surface 1 is movable relative to the reference body 4 against the force of one or more springs 15.
  • This bolt 13 has an internal thread 16 8th
  • the spring force is thereby adjustable by means of an adjustable screw 17.
  • the inner surface of the lever arm 14 extends essentially in that plane of the surface 1 on which the pressure forces to be located act.
  • the holding element 6, as in FIG. 14, has a clip 12 which surrounds the edge 11 of the body 2 and a bolt 13 which is arranged in the reference body 4 perpendicular to the surface 1 of the body 2 and which, relative to the reference body 4, counteracts the force of or more springs 15 is movable.
  • this bolt 13 is provided with an internal thread 16, which allows the spring force to be adjusted by means of an adjustable screw 17.
  • clamp 12 and bolt 13 are connected here by a lever arm 14, which is arranged on the side of body 2 facing away from the force.
  • the sensors 3 forming the counter bearing to the holding elements 6 are not shown. Body 2 and reference body 4 therefore seem to be freely movable against each other. This is not the case in the following figures. The sensors shown there are always laterally offset against the biasing elements 6 or clamps 12.
  • FIG. 16 shows a device in which the sensors 3 are fixedly attached to the reference body 4 and touch the side of the body 2 facing away from the compressive force F.
  • 17 and FIG. 16 show a device in which the sensors 3 are fixedly attached to the reference body 4 and touch the side of the body 2 facing away from the compressive force F.
  • a stably connected to the bolt 13 resiliently mounted in the reference body 4 presses with one or more balls 41 and is more stable 9
  • Lever arm 14 the body 2 in the direction of the sensors 3 and causes a bias for this.
  • a body 2 is provided in FIG. 17, which has a groove or opening 18 at its edge.
  • the clamp 12 for holding the body 2 engages in this opening.
  • This has the advantage that the surface 1 projects relatively beyond the plane of the lever arm 14 and the reference body or frame 4. This construction enables the use of an aperture which lies so close to the edge of the body 2 by means of a seal that the device cannot be easily damaged.
  • FIG. 18 shows a further embodiment of a prestressing element, in which the sensors 3 are fixedly attached to the reference body 4 as in FIG. 17 and touch the side of the body 2 facing away from the compressive force. Unlike there, a leaf spring 19 mounted on the reference body 4 is provided, which presses the body 2 with its free end 20 in the direction of the sensors 3.
  • FIG. 19 shows a modification of the embodiment according to FIG. 18, in which the leaf spring is not fastened to the reference body 4 itself, but to a part 21 which can be displaced in the reference body 4 by means of a dovetail-like connection.
  • a screw 22 is rotatably mounted, which is adjustable to change the bias of the leaf spring 19.
  • FIGS. 21 to 24 show designs with a transparent body (pane) 2, in which various screens 24, 25 are used to cover the sensors 3 and prestressing elements 6.
  • the screens 24 in FIGS. 21 and 22 are so stable that they contribute to preventing vandalism, while the screens 25 in FIGS. 23 and 24 are applied to the edge of the body 2 as a thin, opaque layer. 23, the stable diaphragm 24 is additionally provided.
  • the body 2 exceeds the dimensions of the frame 5 and therefore requires a larger area of the thin diaphragm 25. You are thus relieved by the force F. In this case, their attachment is similar to that of the prestressing elements 6 in FIGS. 12 to 15 and 18 to 19.
  • the force sensors themselves would take over the effect of the prestressing force with their property as spring elements with the spring constant kF.
  • 23 and 24 show the possibility of placing the biasing element 6 as a leaf spring on the same side of the body 2 as the force sensor 3.
  • the leaf spring must be firmly connected to the body 2.
  • the leaf spring in the washer 2 is assigned a dowel 35, into which a screw 36 guided through the prestressing element 6 and a spacer sleeve 37 is screwed and thereby firmly connecting the prestressing lever 6 to the washer.
  • an adhesive can be used.
  • a seal 33 is arranged between the disc 2 and the frame 4.
  • FIG. 20 shows a plan view of the body 4 and the displaceable part 21 with the adjusting screw 22 and two locking screws 23 in order to illustrate the dovetail construction in FIG. 19.
  • FIG. 25 shows the side view of a locating device in the form of a transparent assembly 26 with a flat screen 27 (display) arranged behind it.
  • the assembly 26 of the locating device containing the body 2 and the frame 5, as well as the flat screen 27, are connected to the reference body 4 via separate fastening means 28.
  • FIG. 26 shows the sectional side view of a monitor 29 with an assembly of the locating device in front.
  • the reference body 4 here encloses the monitor as a housing, the front end faces of which hold the fastening elements of the assembly. 11
  • FIG. 27 shows a front view of another embodiment than the device shown in FIG. 1 with a rectangular body 2 and four sensors arranged in the corners. 27 shows a device with an oval surface 1 of a body 2 and a corresponding oval frame as well as with three sensors and three holding elements.
  • the pressure-sensitive sensors 3 reproduce electrical data which are evaluated by a processor and are initially used to determine or locate the location on the surface 1 which is touched or pressed by the viewer. If, however, the position is detected, a determination of this position, for example of a symbol shown on the screen 2, can effect the same functional sequence as by clicking on the symbol with the pointer or cursor of the previously known mouse.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Human Computer Interaction (AREA)
  • Position Input By Displaying (AREA)

Abstract

Entre un cadre (4) et une plaque ou une vitre bombée (1) sont disposés trois ou quatre transducteurs (3), qui peuvent être maintenus dans un état de prétension (7) réglable par des éléments alignés (6). Cette structure sert de souris devant l'écran d'un moniteur.
PCT/EP1999/001717 1998-03-16 1999-03-16 Ecran tactile pour moniteur comportant des transducteurs et des elements de pretensionnement alignes Ceased WO1999048043A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31453/99A AU3145399A (en) 1998-03-16 1999-03-16 Touch panel for a monitor, comprising transducers and aligned pretensioning elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19811394.3 1998-03-16
DE19811394A DE19811394A1 (de) 1998-03-16 1998-03-16 Einrichtung zur Ortung von auf eine Fläche ausgeübten Druckkräften

Publications (1)

Publication Number Publication Date
WO1999048043A1 true WO1999048043A1 (fr) 1999-09-23

Family

ID=7861082

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/001717 Ceased WO1999048043A1 (fr) 1998-03-16 1999-03-16 Ecran tactile pour moniteur comportant des transducteurs et des elements de pretensionnement alignes

Country Status (3)

Country Link
AU (1) AU3145399A (fr)
DE (1) DE19811394A1 (fr)
WO (1) WO1999048043A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084578A3 (fr) * 2001-04-13 2003-06-19 3M Innovative Properties Co Regulation des forces tangentielles dans un dispositif de localisation de contact
US7500400B1 (en) 2003-12-17 2009-03-10 Julius Blum Gmbh Displaceable piece of furniture

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035224B4 (de) * 2004-07-21 2006-11-23 Wincor Nixdorf International Gmbh Selbstbedienungsgerät mit Manipulationserkennung
JP5022676B2 (ja) * 2006-11-20 2012-09-12 日立オムロンターミナルソリューションズ株式会社 自動取引装置
GB2453911A (en) * 2007-03-26 2009-04-29 Nokia Corp An input pad having an array of resistive sensing pads disposed under a top surface layer
DE102008047791A1 (de) * 2008-09-17 2010-03-25 Citron Gmbh Vorrichtung zur Erfassung von Relativbewegungen mit geringem Umfang eines Bauteils mittels einer Sensoreinheit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550384A (en) * 1981-10-20 1985-10-29 Alps Electric Co., Ltd. Touch system coordinates input apparatus
FR2675285A1 (fr) * 1991-04-11 1992-10-16 Archos Ecran tactile.
DE19502956A1 (de) * 1994-03-17 1995-09-21 Carmen Diessner Sensoraufnahmemechanik für berührungsempfindliche Platte
US5708460A (en) * 1995-06-02 1998-01-13 Avi Systems, Inc. Touch screen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754808A1 (de) * 1977-12-09 1979-06-13 Kienzle Apparate Gmbh Anordnung zum befestigen der frontscheibe eines fahrtschreibers
JP2520848B2 (ja) * 1993-10-25 1996-07-31 株式会社エニックス 磁気式面圧入力パネル
DE19526653A1 (de) * 1995-07-21 1997-01-23 Carmen Diessner Kraftmeßeinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550384A (en) * 1981-10-20 1985-10-29 Alps Electric Co., Ltd. Touch system coordinates input apparatus
FR2675285A1 (fr) * 1991-04-11 1992-10-16 Archos Ecran tactile.
DE19502956A1 (de) * 1994-03-17 1995-09-21 Carmen Diessner Sensoraufnahmemechanik für berührungsempfindliche Platte
US5708460A (en) * 1995-06-02 1998-01-13 Avi Systems, Inc. Touch screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002084578A3 (fr) * 2001-04-13 2003-06-19 3M Innovative Properties Co Regulation des forces tangentielles dans un dispositif de localisation de contact
US7183948B2 (en) 2001-04-13 2007-02-27 3M Innovative Properties Company Tangential force control in a touch location device
US7500400B1 (en) 2003-12-17 2009-03-10 Julius Blum Gmbh Displaceable piece of furniture

Also Published As

Publication number Publication date
DE19811394A1 (de) 1999-09-23
AU3145399A (en) 1999-10-11

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