WO2006029974A2 - Dalle tactile comportant des moyens pour produire une impulsion mecanique en reponse a une action de commande, et agencement pour le montage de cette dalle - Google Patents
Dalle tactile comportant des moyens pour produire une impulsion mecanique en reponse a une action de commande, et agencement pour le montage de cette dalle Download PDFInfo
- Publication number
- WO2006029974A2 WO2006029974A2 PCT/EP2005/054379 EP2005054379W WO2006029974A2 WO 2006029974 A2 WO2006029974 A2 WO 2006029974A2 EP 2005054379 W EP2005054379 W EP 2005054379W WO 2006029974 A2 WO2006029974 A2 WO 2006029974A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- upper panel
- face
- touch panel
- touch
- 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
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Classifications
-
- 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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
-
- 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
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
- G06F3/0219—Special purpose keyboards
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
Definitions
- Touch panel comprising means for producing a mechanical pulse in response to a control action, and arrangement for mounting this slab
- the invention proposes a touch screen for an electronic device which comprises means for detecting a control action.
- the invention more particularly proposes a touch screen, comprising:
- Such a touch screen is a component or subassembly which is intended in particular to equip a portable electronic device such as a laptop, a portable radiotelephone, an electronic personal assistant commonly called "PDA", or any other similar device and it allows a user to control the various functions of the device by moving a pointing element, such as a stylus or his own finger, on the upper face of the touch screen and by acting directly on this face.
- the touch screen is generally used in association with a display screen on which information associated with the manipulations that the user makes on the touch screen, are visible.
- the touch screen includes in particular an upper panel on which the pointing element comes into contact, and means for detecting the position of the point of contact of the pointing element on the upper face of the upper panel.
- various functions of the electronic device are activated according to the actions of the user on the touch screen by varying in particular the point of contact of the pointing element on the screen. upper side of the upper panel.
- a displacement of the contact point is for example associated with a displacement of a cursor on the display screen, or a tapping or punching of the pointing element on the upper panel corresponds to a command of the implementation of a function of the apparatus, in relation to the position of the cursor on the display screen.
- US-A-5,510,813 discloses a touch screen, which comprises means for measuring the pressure force applied by the pointing element, to control the operation of the device.
- Such a touch screen does not include means to restore the user any feeling back of his actions.
- certain touch panels include one or more actuators that vibrate the top panel.
- the document EP-A-0 901 229 describes such a touch screen in which the means for detecting the position of the point of contact of the pointing element are able to measure the pressure force of the pointing element, and are also able to cause a vibration of the upper panel.
- the vibration of the upper panel is produced to inform the user that a function of the apparatus has been executed.
- the invention aims to provide a touch screen that is able to produce tactile information when the user performs the control action.
- the invention proposes a touch screen of the type described above, characterized in that it comprises means for producing a mechanical pulse of vertical main orientation on the upper panel, when the value of the pressure force is greater than or equal to the threshold value and which is transmitted to the pointing element to produce tactile feedback of the control action.
- the sensation thus produced confirms to the user that he actually pressed the top panel, in the manner of a "click” sensation produced when the user presses a button or a key on a keyboard.
- the touch-sensitive panel comprises a single element forming a disengageable abutment of the upper panel in a high position relative to the support armature which is able to change state under the effect of the control action to enable the upper panel to move globally downward relative to the support frame;
- the disengageable abutment consists of a concave element, which is arranged vertically between a lower horizontal face of the upper panel and a horizontal face facing the support frame, and which is adapted to collapse by elastic deformation. when the value of the pressure force of the pointing element is greater than or equal to the threshold value;
- the disengageable stop is arranged generally to the right of the center of the upper panel; the upper panel is partly in abutment upwards against the lower horizontal face of an upper horizontal wall of the armature under the effect of the control action and when the point of contact is offset horizontally with respect to the disengageable stop; - The upper panel is partially in abutment against one of at least three support points belonging to said lower face and arranged in a triangle, the disengageable abutment being located within this triangle;
- the touch screen comprises means for returning the upper panel to a high rest position
- the touch screen comprises an electronic actuator which is adapted to produce the mechanical pulse between the upper panel and the support frame;
- the electronic actuator consists of a piezoelectric actuator which is arranged under a lower horizontal face of the upper panel;
- the detection means comprise a single sensor which is compressed between the upper panel and a support plate of the upper panel; the single sensor consists of an electrical switch which is able to open or close an electric circuit under the effect of the control action;
- the detachable stop and the detection means consist of a single electronic switch which is arranged between the locating means and the armature;
- the single sensor consists of a pressure sensor which is able to determine the value of the pressure force of the pointing element;
- the locating means and the detection means consist of a single detection device, in particular of the resistive type, which covers the horizontal lower face of the upper panel;
- the locating means comprise electrical switches which are distributed horizontally under the lower face of the upper panel, and each of which is associated with a predefined portion of the upper face of the upper panel;
- the upper panel is made of an elastically deformable material, and the detection means are arranged on the upper horizontal face of an intermediate support plate;
- the upper horizontal face of the upper panel comprises a series of bosses;
- the support plate carries a series of electrical connection elements which are evenly distributed along the peripheral edge of the support plate;
- the touch screen comprises means for selectively displaying information on the upper panel;
- the touch screen comprises a display screen arranged below the upper panel;
- the touch screen comprises an ink layer printed on the underside of the upper panel, and a light-emitting film which covers the printed ink layer, which is able to selectively illuminate certain areas of the printed ink layer;
- the detection means are able to detect different control actions, each of which consists in applying, by means of the pointing element, a pressure force, on the upper face of the upper panel, of value greater than or equal to a value associated threshold;
- the touch screen comprises means for producing a mechanical pulse each time one of the control actions has been detected by the detection means.
- the invention also proposes an arrangement for mounting a touch-sensitive panel on a horizontal upper face of an electronic component-holder plate, characterized in that the upper panel, the location means, the action detection means control unit and the means for producing the mechanical pulse form a subassembly which is mounted and fixed on the upper face of the electronic component holder plate by elastic interlocking.
- the subassembly is mounted on the upper face of the component-holder plate via an intermediate plate;
- the intermediate plate carries a connector for electrical connection of the touch screen to the electronic component holder plate.
- FIG. 1 is a schematic perspective view of a portable electronic device which has two parts articulated with respect to each other, and whose lower part carries a touch screen according to the invention;
- - Figure 2 is a section along a vertical longitudinal plane of the touch screen that equips the apparatus shown in Figure 1 in the state of rest;
- FIG. 3 is a view similar to that of Figure 2 wherein a pressure force corresponding to a control action is exerted on the upper panel of the touch screen;
- Figure 4 is a view similar to that of Figure 2 which comprises a piezoelectric element for detecting the pressure force and to produce the mechanical pulse;
- FIG. 5 is a diagrammatic exploded perspective representation of a touch screen according to another aspect of the invention, in which the point of contact is located via a plurality of electrical contacts;
- - Figure 6 is a section along a vertical longitudinal plane of the arrangement for mounting the touch screen shown in Figure 5 on an electronic component holder plate, according to the invention, and wherein the touch screen is represented before assembly;
- - Figure 7 is a view similar to that of Figure 6, wherein the touch screen is mounted on the electronic component support plate;
- FIG. 8 is a view similar to that of Figure 7, wherein the touch screen is mounted on the electronic component holder plate through an intermediate plate;
- Figure 9 is a view similar to that of Figure 8, wherein the intermediate plate carries an electronic chip and a connection connector with the electronic component holder plate.
- FIG. 1 shows a portable electronic device 10, which is here a portable radiotelephone of the type called
- clamp that is to say which consists of two structural elements 12, 14, which each have the overall shape of a rectangular plate.
- the two structural elements 12, 14 are articulated with respect to one another about a transverse axis A between a folded or closed position (not shown) in which the two structural elements 12, 14 are joined by extending longitudinally horizontally, and an unfolded or open end position shown in Figure 1, wherein the two structural members 12, 14 define an angular sector.
- a first lower structural member 12 extends longitudinally, generally horizontally. It carries on its upper face 12s a control panel 18 of the radiotelephone 10. It also has, at its rear longitudinal end 12b, a microphone 22 allowing the user to speak to his interlocutor, and at its end longitudinal front 12a, 24 means of articulation of the second structural element 14 about the transverse axis A articulation.
- the second upper structural element 14 extends here in a generally vertical transverse plane and is articulated at its lower end 14i with respect to the first element 12 around the transverse axis A articulation. It carries, on a rear face 14b, a display screen 26.
- the second structural element 14 carries, at a free upper end 14s, a loudspeaker 28 allowing the user of the telephone 10 to hear the voice of his interlocutor.
- the invention is not limited to this single type of portable electronic device comprising two structural elements articulated with respect to each other, and that the touch screen 18 can also be used in an electronic device 10 having a single structural element.
- the invention is not limited to use in a portable radiotelephone and the electronic device 10 comprising the touch screen 18 according to the invention may also consist of another type of device such as a laptop, or personal assistant, commonly referred to as "PDA".
- PDA personal assistant
- a pointing element 30 which is here a stylus but which can be a finger of the user, putting it in contact with the upper face 18s of the touch panel 18.
- an electronic control device (not shown) of the electronic device 10 exerts a predefined action, such as for example the display of a cursor on the screen 26, in a position associated with the position of the contact of the pointing element 30 on the upper face 18s of the touch screen 18.
- a predefined action such as for example the display of a cursor on the screen 26
- a horizontal translation of the pointing element 30 on the upper face 18s of the touch screen 18 is interpreted as the desire of the user to provoke a movement of the cursor displayed on the screen 26, or a brief interruption of the contact of the pointing element 30 with the upper face 18s of the touch screen 18 is interpreted as the selection of a function of the device 10.
- the touch panel 18 is also able to detect a control action which consists of the application of a pressure force on its upper face 18s, via the pointing element 30, and the electronic control device performs a function of the apparatus 10 in relation to the control action that has been detected.
- control action will be used to designate the action of the user consisting in applying a pressure force on the upper face 18s of the touch-sensitive panel 18 whose "useful” component is greater or equal to a threshold value.
- the touch-sensitive panel 18 comprises a horizontal upper panel 32, whose horizontal upper face 32s constitutes the upper face 18s of the touch-sensitive panel 18.
- the touch-sensitive panel 18 also comprises means 34 locating the position of the point of contact P of the pointing element 30 on the upper face 32s of the upper panel 32.
- the locating means 34 are of known type, for example of the resistive type. Their structure and operation being known, they will not be described in more detail in the present description of the invention.
- the locating means 34 are in the form of a thin strip which extends horizontally below the upper panel 32, covering the horizontal lower face 32i of the upper panel 32.
- the upper panel 32 and the locating means 34 are mounted on the upper face 36s of a horizontal support plate 36 which gives the locating means 34 and the upper panel 32 a generally flat shape.
- the touch-sensitive panel 18 comprises a peripheral support and mounting frame 38 which comprises a cylindrical wall 40 of vertical main axis and which extends around the upper panel 32, locating means 34 and the support plate 36, and whose generatrix of the cylindrical wall has substantially the same shape as the peripheral edge of the support plate 36.
- the armature 38 also comprises a horizontal upper wall 42 which extends above the upper panel 32, so that the upper panel 32 abuts vertically upwards against the lower face 42i of the upper wall.
- the upper wall 42 is open at its center and the central opening 44 thus formed allows access to the upper face 32s of the upper panel 32 by means of the pointing element 30.
- the armature 38 also has a horizontal bottom wall 46 which is located below the top panel 32, locating means 34 and the support plate 36.
- the armature 38 also comprises means (not shown) for mounting in the electronic apparatus 10.
- the touch screen 18 comprises means for detecting the control action that the user exerts via the pointing element 30.
- the detection means of the control action are shaped so as to detect the control action independently of the location of the point of contact P on the upper face 32s of the upper panel 32.
- the touch screen 18 is shaped to produce a tactile sensation in response to the control action, which is perceived by the user.
- the touch screen 18 comprises means for producing a mechanical pulse on the upper panel 32 when the value of the pressure force produced during the control action is greater than or equal to the predetermined threshold value.
- the mechanical pulse is produced by a short downward movement of the upper panel 32 relative to the frame 38 under the effect of the control action.
- the assembly formed by the upper panel 32, the locating means 34 and the support plate 36 is mounted to move relative to the support frame 38 between a high rest position shown in Figure 2, and one or more low positions, an example of a low position is shown in Figure 3, when the user exerts a pressure force on the upper panel 32 whose value is greater than the predetermined threshold value.
- the touch-sensitive panel 18 comprises a disengageable or retractable element 48 which forms a stop of the support plate 36 in the high rest position and which is able to change its state under the effect of the control action.
- the disengageable element 48 In its disengaged state resulting from the control action, the disengageable member 48 no longer forms a stop of the support plate 38, thus allowing it to move globally downwards.
- the disengageable element 48 here has the shape of a dome, that is to say that it is of concave shape open downward and vertical main axis. It is arranged between the support plate 36 and the lower wall 46 of the support frame 38, and it is able to sag by elastic deformation when the value of the effort pressure of the pressure is greater than the threshold value, as can be seen in Figure 3.
- the disengageable element 48 then abruptly changes state according to an operation also called "collapse".
- FIG. 2 when the value of the pressure force exerted on the upper face 32s of the upper panel 32 is smaller than the threshold value, as represented by the arrow F1, the pressure force is not sufficient to cause the change of state of the disengageable element 48.
- This abrupt movement of the moving assembly is transmitted to the user by the pointing element 30, and is felt by the user as a tactile sensation representative of the control action that he has just made.
- the elastic return is achieved by return means 50, which are here helical springs.
- the elastic return is provided by the disengageable member 48 itself.
- the disengageable element 48 changes state again to return to its original shape, and it then exerts on the support plate 36 a short upward effort .
- This new pulse thus produced by the disengageable element 48 reproduces another tactile sensation which is perceived by the user as the confirmation of the end of the control action.
- the disengageable element 48 is located generally to the right of the geometric center of the upper panel. This positioning of the disengageable element limits the difference in amplitude of the pressure force to be applied to the upper panel 32 to cause the deformation of the disengageable element, depending on the location of the point P on the upper face. 32s of the upper panel 32.
- the deformation of the disengageable element 48 when the user exerts the control action is further favored by the fact that the peripheral edge of the assembly - formed by the upper panel 32, the locating means 34 and the plate of support 36 - is in abutment upwards against the lower horizontal face 42i of the upper horizontal wall 42 of the frame.
- the assembly formed by the upper panel 32, the locating means 34 and the support plate 36 can not pivot around the disengageable element 48 during the control action, and when the contact point P n is not located at the right of the disengageable element.
- the upper horizontal wall 42 is here in the form of an annular strip which covers the entire peripheral edge of the assembly formed by the upper panel 32, the locating means 34 and the support plate 36.
- the upper wall 42 can also be interrupted, or even include only for example three horizontal support legs which are distributed along the peripheral edge of the assembly formed by the upper panel 32, the location means 34 and the support plate 36 so as to maintain the assembly formed by the upper panel 32, the locating means 34 and the support plate 36.
- the disengageable element 48 is then located inside the triangle thus defined by the three horizontal support legs.
- the mechanical pulse is produced by an actuator 52, which here consists of a piezoelectric actuator, which is arranged between the locating means 34 and the lower wall 46 of the armature 38.
- the actuator 52 extends horizontally on a surface substantially identical to the surface of the upper panel 32, so that the user feels the pulse regardless of the position of the point of contact P on the upper face 32s of the top panel 32.
- This actuator 52 is controlled by the electronic control device of the electronic device 10, and it is implemented when the control action has been detected.
- the control action detection means comprise a single sensor which is arranged under the upper panel 32, and which is shaped to detect the control action, regardless of the location of the contact point P of the control element. pointing 30 on the upper face 32s of the upper panel 32.
- the single sensor for detecting the control action consists of a switch electric which is able to open or close an electric circuit under the effect of the control action.
- this switch is associated with the disengageable element 48, so as to form a single electrical switch which is able to simultaneously produce the mechanical pulse and a signal which is an electronic information, during the change of state of the disengageable element 48, under the effect of the control action.
- the single sensor it is able to measure the value of the pressure force exerted by the user on the upper face 32s of the upper panel 32, by means of the pointing element 30.
- This single sensor then transmits to the electronic control device of the electronic device 10 information representative of the value of the pressure force.
- the electronic control device compares the value of the pressure force thus measured or estimated with the threshold value to determine whether the action exerted by the user is actually a control action or not.
- the single sensor consists of a pressure sensor which is arranged below the upper panel 32.
- this pressure sensor forms part of a detection device, which also comprises the locating means.
- the detection device then consists of a single device of known type, for example of the resistive type, which covers the lower horizontal face 32i of the lower upper panel.
- the pressure sensor it is formed by the piezoelectric actuator 52 shown in FIG.
- FIGS. 5 and following show an alternative embodiment of the touch-sensitive panel 18 according to the invention according to which the locating means 34 comprise a series of electrical switches 54 which are distributed horizontally under the upper panel 32, so that each electric switch 54 is associated with a predefined portion or zone 56a, 56b of the upper panel 32.
- the touch-sensitive panel 18 is of circular shape, of vertical and central main axis B.
- the upper panel 32 thus comprises a central portion 56a, circular in shape and coaxial with the axis B of the touch screen 18 and the peripheral portions 56b, here eight in number, which are distributed around the central portion 56a.
- the location means 34 comprise a central switch 54 associated with the central portion 56a of the upper panel 32, and eight peripheral switches 54 each associated with one of the peripheral portions 56b.
- Each of the switches 54 has a layer of conductive material 58 which is printed on the upper face 36s of the support plate 36 and a film 60 which is arranged above and away from the layer 58 of conductive material.
- the film 60 is made of an electrically conductive material and is adapted to come into contact with the layer 58 of conductive material when the pointing element 30 comes into contact with the upper face 32s of the upper panel 32.
- the locating means comprise a single film 60 which extends horizontally above the layers 58 of conductive material of all the switches 54.
- the conductive film 60 is held away from the layers 58 of conductive material by a spacer 62 arranged vertically between the support plate 36 and the conductive film 60.
- the spacer 62 has openings or windows 64 which are located in line with the layers 58. of conductive material, and which are traversed by a portion of the conductive film 60 when it comes into contact locally with the layers 58.
- the film 60 deforms elastically downwards and then comes into contact with the layer 58 located at the point of contact point P, closing an electrical circuit.
- This deformation of the film 60 is accompanied by a similar deformation of the upper panel 32 which is for this purpose made of an elastically deformable material.
- the detection of the control action and the production of the mechanical pulse are carried out simultaneously by the disengageable element 48, which is here of concave shape open upwards and coaxial with the B axis of the touchpad 18 .
- the disengageable element 48 comprises a layer of electrically conductive material, which is adapted to come into contact with another layer of conductive material (not shown) which is printed on the lower face 36i of the support plate 36, when the element disengageable 48 changes state under the effect of the control action.
- the locating means 34 and the detection means of the control action are connected to the electronic control device of the electronic device 10 by electrical connection elements 68, which here consist of folded metal blades.
- the touch screen 18 comprises means for the user to feel a determined sensation when he moves the pointing element 30 on the upper face 32s of the upper panel 32.
- bosses 70 which protrude upwards with respect to the upper face 32s of the upper panel 32.
- the bosses 70 are arranged in such a way that they delimit each of the portions 56a, 56b of the upper panel 32.
- the pointing element 30 is the finger of the user, the user can directly deduce the position of the contact point P on the upper face 32s of the upper panel 32 by the tactile sensation that he perceives during the
- FIGS. 6 to 9 show an arrangement for mounting the touch-sensitive panel 18 according to the invention on an electronic component board 72 of the electronic device 10.
- the upper panel 32, the locating means 34, the support plate 36 and the disengageable element 48 are joined to each other so as to form a subassembly 78 which is fixed to the plate electronic component holder 72 by resilient interlocking.
- the support frame 38 is formed in two parts, and it comprises a lower frame 74 which is fixed on the horizontal upper face 72s of the electronic component holder plate 72, and a upper frame 76 which is connected to the subassembly 78.
- the upper frame 76 thus comprises the horizontal upper wall 42 of the armature 38 against the lower face 42i of which the subassembly 78 is held in abutment vertically upwards by means of the electrical connection elements 68.
- each of the electrical connection elements 68 consists of a metal blade which is elastically deformable, of which a first end 68a is connected to the support plate 36, and whose second end 68b is fixed to the upper frame 76 by the intermediate of an intermediate annular element 80.
- the first end 68a of the electrical connection member 68 forms a "C" hook which is mounted around the outer peripheral edge 36a of the support plate 36.
- the disengageable member 48 has a peripheral flange 82 for its attachment. at the lower face 36i of the support plate 36.
- the electrical connection elements 68 also perform the mechanical connection of the upper panel 32, locating means 34 and the support plate 36 to the upper frame 76, and they allow the upper panel 32 to be returned to its upper rest position. after the user has exerted the control action on the touch screen 18.
- the assembly of the subassembly 78 on the electronic component holder plate 72 is made by elastic interlocking.
- the lower frame 74 and the upper frame 76 carry complementary elements which perform this elastic interlocking.
- These complementary elements have been represented here by an orifice 84 made in a vertical wall 74a of the lower frame 74, in which is received a complementary pin 86 which protrudes horizontally towards the outside of the upper frame 76, with respect to a vertical wall of the upper frame 76.
- the vertical wall 74a of the lower frame and / or the vertical wall 76a of the upper frame is able to deform elastically during assembly, so as to fade to allow the downward movement of the pin 86, then this wall 74a, 76a resiliently returns to position when the pin 86 is located opposite the orifice 84, thus making the fixing by elastic interlocking of the subassembly 78 with the lower frame 74.
- the lower frame 74 is fixed to the electronic component holder plate 72 by soldering or welding.
- This method of fixing is effected first by applying the solder tab on the upper face 72s of the electronic component holder plate 72, then by placing the lower frame 74 on the upper face 72s of the electronic component holder plate 72 , covering the solder leg layer.
- the final fixing is carried out by passing the electronic component holder plate and the lower frame 74 in an oven heated to a defined temperature to obtain first a fusion of the solder cream which is distributed homogeneously on the door plate electronic components 72 and the lower frame 74, then a hardening of the solder cream.
- the temperature of the oven, which is necessary to obtain the melting of the solder cream is relatively high, and it can damage some of the components of the touch-sensitive panel 18.
- the fact of gathering the upper panel 32, the locating means 34, the support plate 36 and the disengageable element 48 in the same subassembly 78 which is mounted on the electronic component holder plate 72 by elastic interlocking allows to mount the subassembly 78 after the passage of the electronic component holder plate 72 in the oven.
- any type of material to produce the upper panel 32, the locating means 34, the support plate 36 and the disengageable element 48 including heat-sensitive plastics.
- each of the electrical connection elements 68 comprises a flexible contact strip 88, a free end 88a is adapted to bear against an associated electrical track (not shown) of the upper face 72s of the electronic component holder plate 72 .
- This contact blade 88 is shaped so that it is elastically preloaded upwards when the touch panel 18 is mounted on the electronic component holder plate 72 to exert an elastic contact force of contact against the associated electrical track.
- the assembly of the touch screen 18 according to the invention by grouping all the components in a subassembly 78, makes it possible to manufacture the subassembly 78 in series and independently of the rest of the electronic device 10, the same way that the display screen is also manufactured independently of the other components.
- the distance "d" between the upper surface 90s of external coating 90 of the apparatus 10 and the electronic component holder plate 72 is generally different between two different electronic devices 10.
- the height "h” of the touch screen 18 according to the invention is always the same because of its mounting according to a single method, which requires maintaining the upper face 32s of the upper panel 32 at the same level as the face upper 90s of the outer covering 90 of the electronic device 10.
- FIG 8 an alternative embodiment of the arrangement for mounting the touch panel 18 according to the invention on the upper face 72s of the electronic component holder plate 72, which comprises a plate intermediate 92 which is interposed between the touch panel 18 and the electronic component holder plate 72.
- This intermediate plate 92 is chosen as a function of the distance "d” between the upper surface 90s of the external coating 90 of the apparatus 10 and the electronic component holder plate 72 and as a function of the height " h “of the touch screen 18, so that the upper face 32s of the upper panel 32 is flush with the upper face 90s of the outer covering 90.
- the touch-sensitive plate 18 is then fixed on this intermediate plate 92 by elastic engagement, as previously described, that is to say that the lower frame 74 of the support frame 38 is fixed on the face upper 92s of the intermediate plate 92.
- the intermediate plate 92 comprises means (not shown) for electrically connecting the electrical connection elements 68 of the touch panel 18 to the associated tracks of the electronic component holder plate 72.
- the subassembly 78 forms an electronic module with the intermediate plate 92.
- the subassembly 78 is mounted on the intermediate plate 92 by elastic interlocking as described above, and the module thus formed is mounted directly on the frame 94 of the structural element 12 of the electronic apparatus 10.
- the module further comprises an electronic connector 96 for its electronic connection with the electronic component holder plate 72.
- This mounting of the touch screen 18 in the form of a module allows the assembler of the apparatus 10 to use a module comprising the touch screen according to the invention, or to use another module comprising means different for the control of the apparatus 10, such as a conventional keypad keyboard.
- This type of assembly adds a possibility of modularity of the apparatus 10, by allowing the use of different control means for the same apparatus, without having to change the other components of the apparatus 10 such as the electronic component holder 72 or the structural element 12.
- a touch panel 18 according to the invention differs in operation between a touch panel 18 according to the invention and a conventional keypad keyboard because the information that is transmitted by the connector 96 to the electronic component holder board 72, and therefore to the electronic control device of the apparatus 10 are different depending on whether the module comprises a touch-sensitive panel 18 or a conventional keyboard with keys.
- control information that is transmitted by the connector 96 is common to all the modules mounted on the electronic component holder
- the module according to the invention comprises an electronic chip or a microprocessor 98 which is mounted on the intermediate plate 92, and which connects the subassembly 78 to the connector 96.
- This electronic chip 98 is programmed to analyze and interpret the control information from the touch panel 18 or the electronic control device, to translate information or control signals of the electronic control device or the touch panel 18, respectively.
- This translation of the control information by the processor 98 thus makes it possible to have a unique programming of the electronic control device of the apparatus 10, whatever either the module used, it comprises a touch screen 18 according to the invention or other control means of the apparatus 10.
- the touch screen 18 comprises means for displaying information which are variable and which depend in particular on the operating state of the electronic apparatus 10.
- these display means consist of a display screen, for example a display screen of the liquid crystal type, known by the acronym "LCD”, or of the organic light-emitting diode type, known by the acronym " OLED ".
- LCD liquid crystal type
- OLED organic light-emitting diode type
- they comprise a layer representing various information which is printed on the lower face 32i of the upper panel 32, and an electroluminescent film which is arranged between the upper panel 32 and the locating means 34. , covering the printed layer.
- the electroluminescent film is controlled by the electronic control device of the electronic device 10 to illuminate or not the printed layer, so that the information is visible or not for the user.
- the information consists of an acronym or logo that is illuminated when the electronic device 10 is turned on.
- the electro-luminescent film is shaped so as to selectively illuminate certain areas of the printed layer, and the electronic control device is able to control the electronic device 10 so that it illuminates the information that the the user must see.
- the information to be displayed is alphanumeric characters and symbols such as the "#" sign and the "*" asterisk, which are grouped into two groups of characters, the first group of which contains the ten numerical characters of the decimal system and the symbols, and the second group contains the letters of the alphabet.
- the characters of each group are distributed on the surface of the upper panel 32, as can be seen in Figure 1 for the first group of characters.
- the electroluminescent film is controlled by the electronic control device so that it selectively illuminates the characters of either one of the two groups of characters, or none of the characters.
- the user can see only the characters of the first group, in which case the touch screen generally has the appearance of a conventional keypad, as shown in Figure 1, or the user can see only the characters of the second group.
- the electronic control device is programmed so that for the same location of the contact point P on the upper face 32s of the upper panel 32, the operation of the apparatus is different depending on whether the characters of the first group or the second group are lit.
- the electroluminescent film may also be controlled to constantly illuminate certain characters or symbols that are common to both groups of characters. This is particularly the case for symbols associated with a validation function or a cancellation function. This selective illumination of the areas of the printed layer makes it possible to reduce the elements visible to the user, which simplifies the use of the electronic device 10.
- the characters of each group can also be oriented differently, so that when the characters of the first group are displayed, the touch screen 18 can be used in a portrait mode, that is to say with its large length generally vertically relative to the user, as shown for example in Figure 1.
- the touch-sensitive panel 18 can be used in a landscape mode, in the manner of a computer keyboard, that is to say an orientation of the touch-sensitive panel 18. which the long length of the touch panel 18 is generally transverse to the user.
- the touch panel 18 according to the invention which has just been described comprises means for detecting a single control action.
- the touch screen 18 according to the invention may comprise means for detecting a plurality of control actions.
- Each of these control actions then consists in applying a pressure force on the upper face 18s of the touch-sensitive panel 18, and whose associated threshold value is different from the threshold value associated with another control action.
- the touch screen 18 comprises means for producing a mechanical pulse each time one of the control actions has been detected by the detection means.
- the touch-sensitive panel 18 has been described as having a rectangular shape and covering a large part of the upper face 12s of the first structural element of the electronic apparatus 10, as shown in FIGS. 1 to 4, or circular shape, as shown in FIG.
- the invention is not limited to these embodiments of the invention, and that the touch screen 18 may be of various shapes and / or sizes.
- an electronic device 10 having only one touch screen 10. It will also be understood that an electronic device may comprise several touch panels 18 according to the invention.
- the electronic apparatus 10 comprises a touch-sensitive panel 18 according to the invention, the dimensions of which are reduced with respect to the dimensions of the electronic apparatus 10.
- This tactile panel 18 of small dimensions is for example arranged close to the display screen 26, preferably along a side edge of the screen 26. It then allows easy control of the display on the screen 26, such as scrolling a list, or the level of detail of displaying an image on the screen.
- the tactile panel 18 of small dimensions can also be mounted on a side wall of the electronic device 10, to allow control of functions ancillary to the electronic device 10 such as taking pictures by a camera mounted on the device.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
- Push-Button Switches (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005800303592A CN101031865B (zh) | 2004-09-09 | 2005-09-06 | 包括产生回应控制动作的机械脉冲用部件的触控块体及安装所述触控块体的结构 |
| DE112005002107T DE112005002107T5 (de) | 2004-09-09 | 2005-09-06 | Taktile Frontplatte mit Elementen zur Erzeugung eines mechanischen Impulses als Reaktion auf einen Bedienschritt und Anordnung für die Montage dieser Frontplatte |
| US11/711,567 US20070146348A1 (en) | 2004-09-09 | 2007-02-27 | Touch-sensitive faceplate with tactile feedback |
| US12/396,598 US20090167722A1 (en) | 2004-09-09 | 2009-03-03 | Touch-sensitive faceplate with tactile feedback |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409556A FR2875024B1 (fr) | 2004-09-09 | 2004-09-09 | Dalle tactile comportant des moyens pour produire une impulsion mecanique en reponse a une action de commande, et agencement pour le montage de cette dalle |
| FR04/09556 | 2004-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2006029974A2 true WO2006029974A2 (fr) | 2006-03-23 |
| WO2006029974A3 WO2006029974A3 (fr) | 2006-08-24 |
Family
ID=34948801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2005/054379 Ceased WO2006029974A2 (fr) | 2004-09-09 | 2005-09-06 | Dalle tactile comportant des moyens pour produire une impulsion mecanique en reponse a une action de commande, et agencement pour le montage de cette dalle |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20070146348A1 (fr) |
| CN (1) | CN101031865B (fr) |
| DE (1) | DE112005002107T5 (fr) |
| FR (1) | FR2875024B1 (fr) |
| WO (1) | WO2006029974A2 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102008008921A1 (de) | 2007-02-13 | 2008-09-04 | QRG Ltd., Eastleigh | Kippendes Berührsteuerfeld |
| WO2008138700A1 (fr) * | 2007-05-11 | 2008-11-20 | Continental Automotive Gmbh | Ensemble bloc à effleurement |
| CN101464775A (zh) * | 2007-12-21 | 2009-06-24 | 宏达国际电子股份有限公司 | 电子装置的控制方法及其电子装置与计算机可读介质 |
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-
2004
- 2004-09-09 FR FR0409556A patent/FR2875024B1/fr not_active Expired - Fee Related
-
2005
- 2005-09-06 WO PCT/EP2005/054379 patent/WO2006029974A2/fr not_active Ceased
- 2005-09-06 CN CN2005800303592A patent/CN101031865B/zh not_active Expired - Fee Related
- 2005-09-06 DE DE112005002107T patent/DE112005002107T5/de not_active Withdrawn
-
2007
- 2007-02-27 US US11/711,567 patent/US20070146348A1/en not_active Abandoned
-
2009
- 2009-03-03 US US12/396,598 patent/US20090167722A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008008921A1 (de) | 2007-02-13 | 2008-09-04 | QRG Ltd., Eastleigh | Kippendes Berührsteuerfeld |
| WO2008138700A1 (fr) * | 2007-05-11 | 2008-11-20 | Continental Automotive Gmbh | Ensemble bloc à effleurement |
| US8581858B2 (en) | 2007-05-11 | 2013-11-12 | Continental Automotive Gmbh | Touch pad arrangement |
| CN101464775A (zh) * | 2007-12-21 | 2009-06-24 | 宏达国际电子股份有限公司 | 电子装置的控制方法及其电子装置与计算机可读介质 |
| CN101464775B (zh) * | 2007-12-21 | 2015-11-25 | 宏达国际电子股份有限公司 | 电子装置的控制方法及其电子装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101031865A (zh) | 2007-09-05 |
| CN101031865B (zh) | 2011-10-26 |
| DE112005002107T5 (de) | 2007-10-25 |
| FR2875024A1 (fr) | 2006-03-10 |
| US20070146348A1 (en) | 2007-06-28 |
| WO2006029974A3 (fr) | 2006-08-24 |
| FR2875024B1 (fr) | 2007-06-08 |
| US20090167722A1 (en) | 2009-07-02 |
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