EP1834229A2 - Input device and method for the operation thereof - Google Patents

Input device and method for the operation thereof

Info

Publication number
EP1834229A2
EP1834229A2 EP20050785201 EP05785201A EP1834229A2 EP 1834229 A2 EP1834229 A2 EP 1834229A2 EP 20050785201 EP20050785201 EP 20050785201 EP 05785201 A EP05785201 A EP 05785201A EP 1834229 A2 EP1834229 A2 EP 1834229A2
Authority
EP
Grant status
Application
Patent type
Prior art keywords
touch screen
force
operating surface
input device
operating
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
EP20050785201
Other languages
German (de)
French (fr)
Inventor
Michael Prados
Philippe Alessandrini
Wolfgang Bloehs
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.)
Volkswagen AG
Original Assignee
Volkswagen 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

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016Input arrangements with force or tactile feedback as computer generated output to the user
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

The invention relates to an input device, in particular for a motor vehicle. Said device comprises: a display for reproducing a control element; a touchscreen, which is located above the display, for registering a touched position on the control surface of said screen; a force sensor, which is associated with the touchscreen, for measuring the force that is exerted on the control surface of the touchscreen; and a controller for generating a warning, when the control surface of the touchscreen is touched or pressed in the vicinity of the reproduction of the control element and for generating a control command that is associated with the control element, if after the warning has been generated, a force is exerted on the control surface that exceeds a force threshold value.

Description

description

input device

The invention relates to an input device, especially for a motor vehicle, with a touch screen.

A touch screen is known from DE 201 02 197 U1 (incorporated by reference). In DE 201 02 197 U1 discloses a touch screen for the visualization of electronic signals, and an affirmative touch input of characters and symbols is disclosed consisting of a functional level for visualization and tactile input and a corresponding thereto, higher, selectively deformable protection level. In this case, at a selection of specific points of the function level is away perceptible generated by means of contact on the protection level at least an acknowledgment signal for the sense of touch (tactile stimulus) of the user at the position of the contact point in the deformed protective layer and the confirmation signal for the sense of touch (tactile stimulus) - eccentrically within and / or below the functional level arranged Schwingungselemante generated. In addition, the transmission of vibrations generated by the function to the protective layer by direct contact of the two planes and / or takes place at the process known from DE 201 02 197 U1 touch screen over the edge regions of the layers by means of rigid or elastic connecting elements.

For details on the touch screen, for example, the website can be found www.3m.com/3mtouchsystems/. It offered, for example, the following touch screens from 3M ™:

- MicroTouch ™ 12.1 "FPD Touch Monitor

(See. Www.Sm.com/Smtouchsystems/Products/Monitors/FPDdesktop.jhtml)

- MicroTouch ™ M150 FPD Touch Monitor

(See. Www.3m.com/3mtouchsysterns/Products/Monitors/M1 δO.jhtml)

- MicroTouch ™ CRT Touch Monitor

(See. Www.3m.com/3mtouchsystems/Products/Monitors/CRTdesktop.jhtml)

- MicroTouch ™ Chassis Touch ™ FPD Touch Monitor

(See. Www.3m.com/3mtouchsystems/Products/Monitors/FPDchassis.jhtml)

- MicroTouch ™ Chassis Touch ™ CRT Touch Monitor (see www.3m.com/3mtouchsystems/Products/Monitors/CRTchassis.jhtml.)

Further details on the touch screen and the following websites can be found:

- www.cybertouch.com

- www.elotouch.com/products/default.asp

- www.Sm.com/Smtouchsystems/Products/Resistive/δ-wire.jhtml

- www.3m.com/3mtouchsystems/Products/Resistive/PL.jhtml

- www.Sm.com/Smtouchsystems/Products/Resistive/FG.jhtml

- www.Sm.com/Smtouchsystems/Products/Resistive/SRTS.jhtml

From DE 201 80 024 U1 and the corresponding WO 01/54109 A1 <incorporated by reference) is the haptic feedback also a touch control with haptic feedback for inputting signals into a computer and for outputting forces to a user of the touch control is known, wherein the touch control includes a touch input device that has an approximately planar contact surface, which is operated in such a way that, owing to a position on the touch surface, the user touches a position signal in-a enters the computer processor, wherein the position signal, the position in two reproduces dimensions. The touch control according to the WO 01/54109 A1 also has at least one associated with the touch input device actuator, wherein the actuator outputs a force on the touch input device to provide the contact surface-contacting user a tactile sensation, wherein the actuator, the force due to a of the processor output power outputs information on the touch input device.

Haptic feedback is also known from US 6,429,846, WO 03/038800 A1 and WO 03/41046 A1.

From DE 197 31 285 A1 a Bedieneiement for a device having a plurality of selectable menus, functions and / or function values ​​is known, which has a surface which is detectable by the operator and on the selection by a local movement or touching the surface is heard. The surface is changeable in its shape corresponding to the / the selected and / or auswählbareή menu, function and / or function value. The object of the invention to improve an input device with a touch screen. It is desirable to reheat create a particularly suitable for motor vehicles input device.

The aforementioned object is achieved by an input device, wherein the input device includes a display for displaying an operating element, "inen above the display arranged touch screen for detecting the position of a touch provided one, in particular on a side remote from the display side of the touchscreen, the operating surface of the touch screen, a the touchscreen associated force sensor for measuring a force exerted on the operating surface of the touch screen power, and a controller for generating a warning when touching the operating surface of the touch screen in the field of view of the control element or at pressures on the operating surface of the touch screen in the field of view of the operating element and for generating a the operating element associated with the control command, in particular for controlling a controllable device by means of the input device, provided to generate the warning, in particular in the field of view of the operating element, on the Bedienfläc he a force is applied which exceeds a force threshold comprises.

A warning generated by the controller within the meaning of the invention can be optical, acoustic and / or haptic output to a user of the .Eingabevorrichtung. For visual warning, the display can be used. For haptic warning, the touch screen can be moved.

The representation of the control can be done by representation of a button.

In one embodiment of the invention, at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.

In a further embodiment of the invention, the force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed. The force sensing layer covered in a further embodiment of the invention a substantial part of the display. In a further embodiment of the invention, the force sensor is configured as a force-dependent resistance € in such a force-dependent resistance, for example, can be implemented by FSR technology.

In a further embodiment of the invention, the input device further comprises an actuator to move the touch screen in at least one direction. In a further embodiment of the invention, the input device further comprises a substantially U-shaped spring for mechanically connecting the touch screen with the reference body.

In a further embodiment of the invention, the touch screen for confirmation of successful operation of the operating element by means of control by control of the actuator is movable.

In another embodiment of the invention, the movement of the touch screen on the force exerted on the touchscreen force depends.

The aforementioned object is also a method for operating a, in particular one or more of the aforementioned features comprehensive dissolved input device with a display for displaying an operating element and having disposed over the display touch screen to detect the position of a touch of an operating surface of the touch screen, wherein a warning wherein a force exerted on the operating surface of the touch screen is measured is generated when touching the operating surface of the touch screen or pressing on the operating surface of the touch screen in the field of view of the operating element, and wherein a assigned to the control element control command is generated if, after generation of the warning in particular in the field of view of a force is exerted on the operating surface, the force exceeds a limit value of the operating element.

In one embodiment of the invention, the touchscreen is moved to confirm the successful operation of the control element.

In a further embodiment, the touch screen is moved to the confirmation of successful operation of the control function of the force applied to the touch screen.

The aforementioned object is also a method for operating a, in particular one or comprehensive more aforementioned characteristics dissolved input device -this display for displaying an operating element and having disposed over the display touch screen to detect the position of a touch of an operating surface of the touch screen, wherein a on the operating surface ^ there being a warning at pressures generated on the operating surface of the touch screen in the field of view of the control element is measured force exerted touchscreen, if a force is exerted on the operating surface, which exceeds a first force limit value, wherein one on the operating surface of the touch screen applied force is measured again, and wherein a assigned to the control element control command is generated, if after € rzeugung of warning, in particular in the field of view of the operating element, ine force is exerted on the operating surface, "the zwe a ith force limit exceeds.

The aforementioned object is also achieved by an input device, wherein the input device comprises the following components of:

- a display for displaying an operating and displaying information;

- a touch screen disposed over the display for detecting the position of a touch of a, provided in particular on a side remote from the display of the touch screen, the touch screen operating surface;

- an associated touchscreen force sensor for measuring a force exerted on the operating surface of the touch screen and force

- a controller for generating a signal dependent on the force exerted on the operating surface of the touch screen power control command, in particular for control of an operable through the input device device and / or for generating a signal dependent on the force exerted on the operating surface of the touch screen power display control signal for displaying said on the display of displayable information.

In a further embodiment of the invention, at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.

In a further embodiment of the invention, the force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed. The force sensing layer covers a substantial part of the display in a further embodiment of the invention. In a further embodiment of the invention the force sensor is configured as a force-dependent resistance.

The aforementioned object is also by a method for powered, in particular one or comprehensive more aforementioned characteristics input device with a display for displaying an operating element and for displaying information and murine arranged above the display touch screen to detect the position of a touch one, in particular on a the display of the touch screen remote provided dissolved operating surface of the touch screen, wherein a force exerted on the operating surface of the touch screen is measured, and wherein a dependent on the force exerted on the operating surface of the touch screen power control command, in particular -one to control means of the input device operated device, and / or dependent on the force exerted on the operating surface of the touch screen display power control signal is generated for displaying said displayable on the display information.

The aforementioned object is also achieved by a -Eingabevorrichtung, wherein the input device comprises the following constituents:

- a touch screen for detecting the position -this touching an operating surface of the touch screen,

- an associated touchscreen force sensor for measuring a force exerted on the operating surface of the touchscreen force

- an actuator to move the touch screen in at least one direction, and

- a control for moving the touch screen by controlling the actuator, wherein the amount of movement of the touch screen on the force exerted on the touch force is dependent.

In one embodiment of the invention, the input device further comprises a remote on one of the operating surface of the touch screen of the touch screen display is arranged.

In a further embodiment of the invention, at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor. '

In a further embodiment of the invention, the force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed. In a further embodiment of the invention the force sensor is configured as a force-dependent resistance.

The aforementioned object is also a method for operating a, in particular one or more of the aforementioned features comprehensive dissolved input device with a touch screen for detecting the position of a touch of an operating surface of the touch screen, wherein a force exerted on the operating surface of the touch screen is measured, the touchscreen is moved, and wherein the movement or the amount of movement of the touch screen on the force exerted on the touch force is dependent.

The movement of the touch screen may be such a function of the applied force to the touchscreen, for example, that the touch screen is moved when the force exerted on the operating surface of the touch screen is greater than a first power threshold. The movement of the touch screen may for example be such, depending on the pressure exerted on the touch force, that the touch screen is moved again when the force exerted on the operating surface of the touch screen is greater than a second power threshold value, wherein the second force limit is greater than the first force limit value ,

The aforementioned object is also achieved by an input device, wherein the input device comprises the following constituents:

- a display for displaying a control element;

- a touch screen disposed over the display for detecting the position of a touch of a, provided in particular on a side remote from the display of the touch screen, the touch screen operating surface;

- a touch screen associated with the force sensor for measuring a force exerted on the operating surface of the touch screen power;

- an actuator for moving the touchscreen in at least one direction and

- a controller for such a control of the actuator,

- that by movement of the touch screen in a, to the operating surface direction parallel to a surface structure of the operating surface can be felt if the operating surface contacts provided on a ine for "pattern position and a force is exerted on the operating surface that is greater than a first power threshold value, and that

- the screen is moved in parallel to the operating surface direction, provided that the operating surface is touched at a position at which an operating element is displayed by means of the display, and if a force is exerted on the operating surface that is greater than a second force limit value.

It can be provided that the first force limit substantially ON included.

In one embodiment of the invention, at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor. In a further embodiment of the invention, the force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed. The .Kraftmessschicht covers a substantial part of the display in a further embodiment of the invention. In a further embodiment of the invention the force sensor is configured as a force-dependent resistance.

By means of a force sensor according to the invention can be measured continuously or in two, three or more stages a force.

The aforementioned object is also achieved by a motor vehicle having the above-mentioned input devices. The vehicle according to the invention is in particular one used individually in road traffic land vehicle. Vehicles according to the invention are not particularly restricted to land vehicles having an internal combustion engine.

Further advantages and details will emerge from the following description of exemplary embodiments, wherein like reference numerals designate identical or similar elements.

Fig. 1 shows an embodiment of a cockpit of a motor vehicle;

Fig. 2 shows another exemplary embodiment of a cockpit of a motor vehicle;

Fig. 3 shows an embodiment of an input device;

Fig. 4 shows a cross section of the input device along the section line AA of FIG. 3;

Fig; 5 shows another embodiment of an input device;

Fig. 6 shows a simple control signal;

Fig. 7 shows a movement of the touch screen in one direction substantially parallel to the touchscreen;

Fig. 8 shows a movement of the touch screen in a direction substantially parallel to the touchscreen;

Fig. 9 shows a further control signal;

Fig. 10 shows a further control signal;

Fig. 11 shows a method for generating a further control signal;

Fig. 12 shows an exemplary embodiment of an illustrated using an input means

Basic mask;

Fig. 13 shows an embodiment for a mask for operation of an air conditioner;

Fig. 14 shows an exemplary embodiment of a mask for operation of a navigation system; Fig. 15 shows an exemplary embodiment of a sub-mask for operation of a

Navigatioπssystems;

Fig. 16 shows an embodiment of a further sub-mask for operation of a

Navigation system;

Fig. 17 shows an exemplary embodiment of a mask for operation of a telephone;

Fig. 18 shows an embodiment for a mask to modify settings;

Fig. 19 shows an embodiment for generating the alarm; and

Fig. 20 shows another embodiment for generating the warning.

Fig. 1 shows an embodiment of a cockpit 1 of a motor vehicle. In the cockpit 1, a steering wheel 2 is disposed below an instrument panel. 3 The dashboard 3 has a arranged next to the steering wheel 2 input device. 4 Fig. 2 shows an alternative embodiment of a cockpit 5 of a motor vehicle, wherein in the cockpit 5 is also a steering wheel 6 is arranged below an instrument panel. 7 In the wheel 6, however, deviating from the embodiment shown in FIG. 1, an input device 8 is arranged.

Fig. 3 shows - as a possible exemplary embodiment of an input device 4 or 8 - an input device 10 for optical display of information and to enter commands in a plan view. Fig. 4 shows a cross section of the input device 10 along the section line AA in FIG. 3. The input device 10 includes a display 17 over a transparent touch screen 16 is arranged with an operating surface 16A. Fig. 5 shows - as a possible further embodiment of an input device 4 or 8 - another input device 110 for optical display of information and to enter commands in a plan view. The input device 110 includes a display 17 disposed over a transparent touch screen 116 with an operating surface 116A. The display 17 of input device 10 or the input device 110 is by means of holders 29A, 29B, 29C and 29D connected to a reference body 21st The reference body 21 may be part of the instrument panel 3, or the steering wheel. 6

The touch screen 16 or 116 is held by a frame 15th The frame 15 has four U-shaped springs 11, 12, 13, 14, which are connected by means of connecting elements 15A, 15B, 15C and 15D with each other. The frame 15 is a casting made of plastic, that is, the U-shaped springs 11, 12, 13, 14 are molded in one piece from plastic along with the connecting members 15A, 15B, 15C and 15D. Such a plastic can, in particular polycarbonate (engl .: polycarbonate), ABS, acetal (engl .: acetal) or polyethylene (engl .: polyethylerie) include. Particularly suitable U-shaped springs are manufactured from acetal.

The frame is bonded to the connecting members 15A and 15C with the touch screen 16 or the 116th In an alternative or additional embodiment of the touch screen 16 is held and 116 by a bias of U-shaped springs 11, 12, 13, 14 in the frame.

The frame 15 has a (flexible) connecting piece 19 which is connected to the connecting member 15C. The connecting piece 19 has a curvature 19A, which includes an eccentric drive shaft pin 18A of an actuator 18 designed as an electric motor. The rotational movement of the actuator 18 is converted into a translational movement. The actuator 18 is configured as <3leichstrom (brush) motor. but there are also other embodiments in conjunction with another connection to the frame 15, such as piezoelectric actuators, or so-called Voicecoils, can be used.

The U-shaped springs 11, 12, 13, 14 each have two spring arms 25 and 27, "ine between the two spring arms 25 and 27 disposed opening 28 and a connection point 26, at which the two spring arms 25 and 27 are connected. The U-shaped springs 11, 12, 13, 14 are substantially parallel to the opening 28, a main spring constant and substantially perpendicular to the opening 28, a secondary spring constant, wherein the side spring constant is at least four times the main spring constant. In the present embodiment, the main spring rate refers to a in Fig. 3 as a main direction HR designated direction and side spring constant in a INTIG. 3, referred to as secondary direction NR direction. The main direction and the secondary direction HR NR are orthogonal to each other but parallel to the operating surface 16A and 116A.

The U-shaped springs 11, 12, 13, 14 have a thickness D of 0.5 mm to 2 mm, in the present embodiment of 0.8mm on. The width of the opening 28 is between 5mm and 30mm. The actual width of the opening 28 is dependent on the material that a desired main spring constant is selected so obtained. The Häuptfederkonstante is thereby matched to a mass of the touch screens 16 and 116, respectively, that the touch screen 16 or 116 in conjunction with the U-shaped springs 11, 12, 13, 14, a mechanical natural frequency of 5Hz to 150Hz, particularly a natural frequency of 30Hz to 75Hz which. In the present embodiment it is provided that the natural frequency is 55Hz. Natural frequency according to the invention is in particular the smallest mechanical resonance frequency of the system from the U-shaped -Federn 11, 12, 13, 14 and the touch screen 16 or the 116th

The term U-shaped springs especially meant to be broad. So are U-shaped springs in accordance with the invention include, in particular springs which comprise two spring arms.

The touch screen 16 or 116 and the display 17 of FIG. 3 and FIG. 4 and FIG. 5 are electronically linked with a controller 20 from which the display 17 a display control signal AZ is transmitted to be displayed on the display 17 information. From the touch screen 16 or 116, the controller 20 receives a signal P indicating where a user of the touch screen 16 or 116 touches the touch screen 16 or the 116th

The touch screen 16 includes a - not shown in the cross sectional view of FIG. 4 - is integrated into the touch screen 16 or touch screen connected to the transparent layer for measuring a load exerted on the operating surface 16A of the touchscreen 16 force. One embodiment of a suitable touchscreen 16 z. offered as a dual Force touchscreen by the company Cyber ​​Touch (See. www.cybertouch.com/DUALFORCE.html). The output signal of the load layer, ie on the touch screen 16 and the operating surface 16A of the touch screen 16 applied, force is denoted in FIG. 3 ßezugszeichen F. The Dual Force touchscreen of the company Cyber ​​Touch can distinguish between a light touch of the touch screen 16 and pressing on the touchscreen 16th In one embodiment <Jer input device 10 is provided here that an input is not already done by simply touching the touch screen 16 but by pressing on the touchscreen 16th So in this case, pressing, however, a simple touch of the touch screen 16 leads on the touch screen 16 at a position indicated as a control element location to operate the touch screen 16 not by an operator at a position indicated as a control element location. The latter is a particularly suitable for use in motor vehicles approach.

The input device 110 includes the touch screen 116 associated force sensors 200, 201, 202 and 203 for measuring a force exerted on the operating surface 116A of the touchscreen 116 force. The force sensors 200, 201, 202 and 203, for example, can be configured as a force-dependent resistors. for example, those force-dependent resistors can be implemented by FSR technology. Configured in this manner the force sensors 200, 201, 202 and 203 allow a substantially continuous measuring of a force exerted on the operating surface 116A of the touchscreen 116 force. However, it may be provided to differ also in such an implementation only between two states, namely a light touch of the touch screen 116 and pressing on the touch screen 116, or only between three states by the control 20th In this case is also provided that an input does not already by -easy. done by touching the touch screen 116 but <light) pressing on the touch screen 116 and the operating surface 116A.

As a confirmation of such a command (a command) is generated, the controller 20 at least 50ms ongoing control signal S, is moved by means of which the actuator 18 for a short time. The individual components of the input device are dimensioned such that the touch screen is 16 or 116 deflects less than 1mm. A control signal S may be a simple example - shown in Figure 6 over time t - step function 40 or -a control signal to generate a more complex motion. Fig. 7 shows an embodiment of a motion 41 of the touch screen 16 or 116 as a confirmation of a command using touch screen 16 or 116 over the time t. M denotes the displacement of the touch screen 16 and 116 in a parallel to the touch screen 16 or 116 direction, where M is less than 1mm. The displacement of the touch screen 16 or 116 is carried out for a duration between 50 ms and 800 ms, in particular for a period of between 100 ms and 400 ms. It has been shown that some subjects 16 or 116 prefer -of by a step function excited movement touchscreen.

In one of the other subjects preferred embodiment of the touch screen is 16 or 16 or 116 to confirm the input 116 by means of the touch screen command -As illustrated in Figure 8 as a deflection M of the touch screen 16 or 116 over the time t -. With a decaying vibration 42 movable in parallel to the touch screen 16 or 116 direction. The decaying oscillation 42 comprises an envelope 43 and 44 with an exponential part. In this case, the envelope 43 or 44, for example, a term t a or b Terrή ι, where a and b are variables. Thus, the envelope can be a3 * or b1 + b2 43 and 44 is a function of a1 + a2 t, where a1, a2, a3, b1 and b2 are variable. In addition, the decaying oscillation 42 has a frequency of between 5Hz and 80Hz. Fig. 9 shows a further control signal 45 to the movement of the touch screen 16 or 116 in a to the touch screen 16 or 116 in the direction substantially parallel over the time t in sampling points, where a sampling interval is 51.2 microseconds. The control signal 45 is shown normalized to its maximum value. It has a frequency of 38,1Hz, and is decayed after 210 ms, wherein the decay according to a quadratic relation is carried out. A suitable quadratic relationship for the upper envelope is for example HO

A suitable quadratic relationship for the lower envelope HU's example

In a further embodiment it is provided that the extent of movement of the touch screen 16 or 116 to confirm the 16 or 11beta input using the touch screen of the touch screen command from the touch screen 16 or 116 and on the operating surface 16A and 116A 16 and 116, force F exerted is dependent. In this case, it is especially provided that the amplitude and / or frequency of a vibration to confirm the 16 and 116 inputted by the touch screen or command from the touch screen 16 or 116 and the operating surface 16A and 116A of the touch screen 16 depends. 116 applied force. For example, it can be provided that the envelope of the oscillation shown in FIG. 9 Power 16 and 116 exerted by the on the touch screen 16 or 116 and the Bedieπfläche 16A and 116A of the touch screen is dependent. A suitable context for the upper envelope HO is eg

SSR 2lQnts ≤ t

A suitable context for the lower envelope HU is correspondingly eg

g <F) is a 16 and 116 applied with the touch screen 16 or 116 and the operating surface 16A and 116A of the touchscreen force F increasing value equal to 0 as long as the or the touchscreen 16 and 116 16 and 116, force F exerted. on the operating surface 16A and 116A of the touch screen is less than a threshold value, and which is a maximum of 1.

Fig. 10 shows a particularly suitable control signal or the electrical current I s to the control of the actuator 18 for the 16 and 116 applied to the touch screen 16 or 116 and on the operating surface 16A and 116A of the touchscreen force F dependent moving the touch screen 16 or 116, in particular around a 16 or 116 inputted by the touch screen to confirm command. Here .DELTA.F1 denotes a first force limit value, .DELTA.f2 a second force limit and ΔF3 a third force limit. The first force limit is 100 mN in an exemplary embodiment, the second force limit is in an exemplary embodiment 1 N, and the third power limit is in an exemplary embodiment 1, 5 mN.

Fig. 11 shows a method for generating a further particularly suitable control signal to the pressure exerted on the touch screen 16 or 116 and on the operating surface 16A and 116A of the touch screen 16 and 116, force F dependent movement of the touch screen 16 or 116 or whose electricity. l s to the corresponding control of the actuator 18. the method begins with a query 46, whether the force F on the touch screen 16 or 116 and on the operating surface 16A and 116A of the touch screen 16 and 116 exerted greater than a first force limit - in an exemplary embodiment 100 mN - is. If the force F 16 and 116 applied to the touch screen 16 or 116 and on the operating surface 16A and 116A of the touch screen is greater than the first force limit value, 46 is a step 47 in which the actuator 18 for 200 ms following the query associated with the step 47 - - corresponding to the means of the controller 20 illustrated control signal S is driven, where is denotes the electrical current of the control signal S.

Step 47 is followed by query 48, whether the force F 16 and 116 applied to the touch screen 16 or 116 and on the operating surface 16A and 116A of the touch screen larger than a second force limit value - is - in an exemplary embodiment 1 N. If the force F 16 and 116 applied to the touch screen 16 or 116 and on the operating surface 16A and 116A of the touch screen is greater than the first force limit value, 48, a step 49 follows the interrogation, in which the actuator 18 for 200 ms associated with the step 49 - - corresponding to the means of the controller 20 illustrated control signal S is driven, where l is s the electric current of the control signal S.

It can further be provided for some - for example, opposite control elements 17 shown, and / or elements of a card by means of the display - areas of the touch screen 16 or 116 upon contact of the touch screen 16 or 116 and its operating surface 16A and 116A and / or with a slight pressing on the touch screen 16 and 116, or on its operating surface 16A and 116A of a relief-like structure of the touch screen 16 or 116 and its operating surface 16A and 116A to simulate. Thus, the controller 20 generates in this case a simple touch of the touch screen 16 or 116 and its. Operating surface 16A and 116A by an operator at a position indicated as a control element and / or as an element of a card body a little during contact of the touch screen 16 or 116 and its operating surface 16A and 116A sustained oscillation. A suitable vibration has an amplitude of 0.2 mm and a frequency of 38,1Hz. In stronger pressing on the touch screen 16 and 116, or on its operating surface 16A and 116A, however, is carried out an operation of the operating element, and a - for example, with reference to FIG 9 outlined -. Haptic feedback.

Alternatively or additionally, it may be provided to the touch of the touch screen 16 or 116 and its operating surface 16A and 116A and / or with a slight pressing on the touch screen 16 and 116, or on its operating surface 16A and 116A on the border of a for a relief-like structure is provided to generate a range of movement of the touch screen 16 or the 116th This movement of the touch screen 16 or 116 is particularly stronger than a movement of the touch screen or the touch of the touch screen 16 or 116 and its operating surface 16A and 116A and / or with a slight pressing on the touch screen 16 and 116, 16 and 116 . on its operating surface 16A and 116A within a provided for a relief-like structure range.

Alternatively, or in addition to the touch of the touch screen 16 or 116 and its operating surface 16A and 116A and / or with a slight pressing on the touch screen 16 and 116, or on its operating surface 16A and 116A may be provided within a relief for a structure region provided to move the touch screen 16 and 116, depending on a speed of movement on the touch screen 16 or 116 and on its operating surface 16A and 116A. OieOeschwindigke.it the movement across the touch screen 16 or 116 and on its operating surface 16A and 116A can be determined, for example by means of a Kalman filter from the signal P. Details about Kalman filtering "Optimum system control", pages 191 to 261 (incorporated by reference) can be taken from the book.

The according to the input device 10 or 110 configured Eingäbevorrichtungen 4 and 8 can be one in WO 00/21795 (incorporated by reference) disclosed display and operating means while maintaining the menu driven functionality replace in an advantageous embodiment example. Fig. 12, Fig. 13, Fig. 14, Fig. 15, Fig. 16, Fig. 17 and Fig. 18 show various masks which can be displayed by means of the input device 10 or 110. In Fig. 12, the input device 10 or 110 is shown with a basic mask. It turns ie input device 10 or 110 six executed by ellipses operating elements 141, 142, 143, 144, 145 and 146. By pressing the operating element 142 in FIG. 12 is a mask for operation of a radio is called, and by pressing the operating element 143 in Fig. 12, a screen for operating a CD player is called.

a mask shown in Fig. 13 for operating an air conditioning system is invoked by pressing the operating element 145 in FIG. 12. In the embodiment shown in Fig. 13 mask temperature information of the individual locations in the vehicle interior are shown together with controls 50, 51, 52, 53 and 54, wherein the temperature data relate to the currently set temperatures of the operating elements 50, 51, 53 and 54 may be changed.

The illustration in FIG. 13 with the heading .Temperature 'and the display of an interior space 55 of a motor vehicle makes it clear that the temperature inside the vehicle is individually adjustable relative seating. The control element 50 indicates for the front driver seat 56, that a temperature of 19 ° C is set. The operating element 53 shows for the front passenger seat 57, that a temperature of 20 0 C is set. For the rear seats 58 and 59, 19 ° C and on the right side 17 0 C are set to the left. The control element 52 has an assignment, ie an assignment function, which is shown in the display field with "Return" (to the next higher menu display, so in this case the mask according to "Fig. 12).

a mask shown in Fig. 14 for the operation of a navigation system is invoked by pressing the operating element 141 in FIG. 12. The mask shows a section of a road map 60 of the current vehicle location and above the road map 60 in a field 61, the destination and the distance to the destination. In addition to operating elements 62, 63,

represented 64, 65, 67 and 68, by means of which can be accessed by pressing sub-masks. an operating element 66 for showing a frame and an operating element 69 are also shown to start route guidance. With respect to details of the highlighted menu is referred to WO 00/21795, wherein the operating elements 62, 63,64,

65, 66, 67, 68 and 69 disclosed in WO 00/21795 operating elements 3a, 3b, 3c, 3d, 3e, 3f, 3g and 3h replace.

a sub-mask of Fig. 15 is invoked by pressing the operating element 62 in Fig. 14, indicating the destination in a panel 70. By means of the lower mask of FIG. 15 are also controls 72, 73, 74, 75, 76, 77, 78 and 79 shown. With respect to details of the highlighted menu is also made to WO 00/21795, wherein the operating elements 72, 73, 74, 75, 76, 77, 78 and 79 shown on the display disclosed in WO 00/21795 Controls 3a, 3b, 3c, 3d, 3e, 3f, 3g and 3h replace.

a sub-mask of Fig. 16 is invoked by pressing the operating element 72 in Fig. 15, indicating a destination to be input in a panel 80. By means of the lower mask of FIG. 16 Bedieneiemente 82, 83, 84 and 85 are displayed in addition to replace those disclosed in WO 00/21795 Controls 3a, 3d, 3g and 3h. In the field 80, a letter selection line 88 and controls 86, 87 and 89 are shown. The letters selection line 88 can be moved by pressing the operating elements 86 and 87 upward or downward. a marked letter can be selected by pressing the control 89th It is provided in an advantageous embodiment, the controller 20 at pressures on the operating elements 86 and 87, such a 16 or 116 exerted by the on the operating surface 16A and 116A of the touchscreen force F dependent display control signal is generated, that the speed of movement character selection line is dependent on the 16 and 116 exerted on the operating surface 16A and 116A of the touchscreen force F 88th Here, a on the operating surface 16A and 116A of the touch screen of the 1 * 116 6 and applied force F dependent control command for a navigation system for correspondingly fast selection of letters is generated by means of the controller 20 also. In an analogous manner to thus configured control elements 86 and 87 also has a volume control or a station selection can be implemented, for example, the speed of the volume control or the station selection of the on the operating surface 16A and 116A of the touch screen 16 or 116 applied force F dependent is.

a mask shown in Fig. 17 for operating a telephone is called by pressing the operating element 144 in FIG. 12 that shows selection buttons 90 for a phone in a field. By means of the mask of FIG. 17 are control elements 92, 93, 94, 95, 96, 97, 98 and 99 also displayed, those disclosed in WO 00/21795 operating elements 3a, 3b, 3c, 3d, 3e, 3f, 3g and replace 3h. The choice buttons displayed in the field 90 for a phone are designed as operating elements by means of which a phone number is selected.

In the masks, and sub masks of FIG. 13, Fig. 14, Fig. 15, Fig. 16 and Fig. 17 also controls 100, 101, 102, 103 and 104 are shown, the controls 141, 142, 143, 144 and 145, respectively. By means of the operating elements 50, 51/52, 53, 54 '2, 63, 64, 65,' 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 82, 83 , 84, 85, 86, 87, 89, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 141, 142, 143, 144 and 145, a haptic generates feedback. for this, the touch screen of the input device 10 or 110 in -this with reference to Figure 1. 3, Fig. 4 Fig. 6, Fig. 7 Fig. 8 and FIG. 9 described manner, then moved when pressing of the corresponding operating element 50, 51, 52, 53, 54, 62, 63, 64, 65, 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84 , 85, 86, 87, 89, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 141, 142, 143, 144 and 145, a user input has taken place, that is, if the touch is carried out, for example, long enough and / or sufficient pressure on the touch screen has been applied. this is particularly advantageous for use in a motor vehicle, since an operator, eg the driver of a motor vehicle, in this way a Confirmation of its input receives without having to look at the display. In this way, increases security during travel.

a mask shown in Fig. 18 for activating and deactivating an airbag designated airbag 1 is to enable or disable an air bag designated AIRBAG2 by a means of an operating element designated by reference numeral 171, by pressing the operating element 146 in FIG. 12 called with reference numeral 172 designated control element, for activating and deactivating -one anti-lock braking system by means of a designated reference numeral 173 and control element for activating and deactivating an anti-skid control by means of a control element indicated by reference numeral 175. By means of an operating element indicated by reference numeral 174 can be called more sub-masks, and by operating a control element indicated by reference numeral 176 a return to the position shown in Fig. 12 mask is possible.

With respect to the control elements 171 and 172 in the controller 20, a state shown in Fig. 19 sequence is implemented. The process begins with a query 300, if a force is exerted on the operating surface 16A and 116A of the touch screen 16 and 116 in the field of view of the control element 171 and the control element 172, which exceed a first power threshold. Is exerted on the operating surface 16A and 116A of the touch screen 16 and 116 in the field of view of the control element 171 and the control element 172 a force F exceeding a ersteh force limit, 300, a step 301 follows the interrogation, in which -a optical, acoustic and / or haptic warning is generated. For the visual warning, the display can be controlled 17 by the controller 20, for example, such that the respective operating element 171 or 172 is flashing and / or red. For haptic warning the touchscreen 16 or 116, for example, as for an entry confirmation (see. For example Fig. 9), be moved. Also can be provided in the step 301, a certain time, for example 1s to wait.

Step 301 followed by a query 302, whether on the operating surface 16A and 116A of the touch screen 16 and 116 in the field of view of the control element 171 and the control element 172 a force F is applied, which exceeds a second power threshold where the second power threshold value greater or may be equal to the first force limit. Is exerted on the operating surface 16A and 116A of the touch screen 16 and 116 in the field of view of the control element 171 and the control element 172 a force F, so 302, a step 303 with a command confirmation (for example, see FIG.. 9) follows the query and executing a function of the operating element 171 or 172 corresponding action. In the present embodiment, the designated AIRBAG 1 {airbag is switched on in case the control element 171) and the designated AIRBAG2 airbag {in cases of the control element 172) on or off. A corresponding procedure can also be provided with regard to the anti-lock braking system or the traction control, the power off.

Fig. 20 shows an embodiment of a 19 alternative sequence to the sequence according to Fig., One indicated by reference numeral 312 query of the query 300, a designated reference numeral 313 step by step 301, a designated reference numeral 314 query of the query 302 and a reference numeral 315 corresponds to the step designated step 303rd The sequence shown in Fig. 20 begins with a query 310, whether the operating surface t6A or 116A of the touch screen is touched in the field of view of the control element 171 and the control element 172 16 and 116, respectively. If the operating surface 16A and 116A of the touch screen 16 or 116 contacts in the field of view of the control element 171 and the control element 172, so 31-0, a step 311 follows the query in which a vibration, for example, with an amplitude of 0.2 mm and a frequency is simulated by 38,1Hz. Step 311 is followed by query 312th

The device of the invention is also applicable to a multi-functional operating device according to DE 101 39 693 A1 (incorporated by reference) where, for example, may be replaced by operating the process disclosed in DE 101 39 693 A1 rotary element, which are designed in accordance with the operating elements 86 and 87 , LIST OF REFERENCE NUMBERS

; 5. Cockpit, 6 steering wheel, instrument panel 7, 8.10, 110 € input device 1,12,13,14 "spring 5 frame 5A, 15B, 15C, 15D connecting element 6, 116 6A.116A touch screen operating surface 7 Display 8 8A actuator drive shaft pin 9 connecting piece 9A curvature 0 control 1 reference body 5.27 spring arm sixth connection point 8 opening 9A, 29B, 29C, 29D holder 1 0 1 jump function vibration movement 2 3.44 envelope fifth control signal 6, 48, 300, 302, 10,312,314 query 7,49,301,303, 11,313,315 step

0,51,52,53,54 62, 63, 64, 65, 66,

67, 68, 69, 72, 73,

74, 75, 76, 77, 78,

79, 82, 83, 84, 85,

86,87,89,92,93 ,.

94, 95, 96, 97, 98,

99, 100, 101, 102,

103,104, 141, 142,

143, 144, 145, 146,

171, 172, 173, 174,

175, 176 controls

55 interior

56 drivers seat

57 passenger seat 58, rear seats 59

60 ■ '• road map

61,70,80,90 field

88 letter selection line

200,201,202,203 force sensor

AZ display control signal

F force

P signal

D thickness

HR mainstream

Is electric current of a control signal

NR secondary direction

M deflection

S control signal t time

.DELTA.F1, .DELTA.f2, ΔF3, force limit

Claims

claims
1. input device, the input device comprising: a display for displaying an operating element; a touch screen disposed over the display for detecting the position of a touch of an operating surface of the touch screen; a touch screen associated with the force sensor for measuring a force exerted on the operating surface of the touch screen power; and a controller for generating a warning when touching the operating surface of the touch screen in the field of view of the control element or at pressures on the operating surface of the touch screen in the field of view of the operating element and for generating an associated one of the control element control command provided by generation of the warning on the operating surface a force is exerted that exceeds a power threshold.
2. An input device according to claim 1, wherein at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.
3. An input device according to claim 1, wherein said force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed.
4. An input device according to claim 3, wherein the load layer covers a substantial part of the display.
5. An input device according to claim 1, wherein said force sensor is designed as a force-dependent resistance.
6. An input device according to claim 1, the input device further comprising: an actuator to move the touch screen in at least one direction.
7. An input device according to claim 6, the input device further comprising: a substantially U-shaped spring for mechanically connecting the touch screen with the reference body.
8. An input device according to claim 6, wherein the touch screen for confirmation of successful operation of the operating element by means of control by control of the actuator is movable.
9. An input device according to claim 8, wherein the movement of the touch screen is dependent on the pressure exerted on the touch force.
10. A method of operating an input device with a display for displaying an operating element and having disposed over the display touch screen to detect the position of a touch of an operating surface of the touch screen; the method comprising:
Generating a warning when touching the operating surface of the touch screen or
Pressing on the operating surface of the touch screen in the presentation of the
control element;
Measure a force exerted on the operating surface of the touch screen power; and generating a associated with the control element control command provided by
Generating the alert includes a force is exerted on the operating surface which has a
Force limit exceeds.
11. The method of claim 10, wherein the touch screen is moved to the confirmation of successful operation of the operating element.
12. The method of claim 10, wherein the touch screen for confirmation of successful operation of the operating element is moved in response to the force applied to the touch screen.
13. A method of operating an input device with a display for displaying -one operating element and having disposed over the display touch screen to detect the position of a touch of an operating surface of the touch screen; the method comprising:.
Measure a force exerted on the operating surface of the touch screen power;
Generating a warning at pressures on the operating surface of the touch screen in the field of view of the control element, provided a force is exerted on the operating surface, the force exceeds a first threshold value; re-measuring a force exerted on the operating surface of the touch screen power; and
Generating a associated with the control element control command, if a force is applied after generation of the warning on the operating surface, the second force exceeds a limit value.
14 input device, the input device comprising: a display for displaying an operating and displaying information; a touch screen disposed over the display for detecting the position -this touch of an operating surface of the touch screen; a touch screen associated with the force sensor for measuring a force exerted on the operating surface of the touch screen power; and a controller for generating a signal dependent on the force exerted on the operating surface of the touch screen power control command and / or for producing thy dependent on the force exerted on the operating surface of the touch screen display power control signal, for displaying said displayable on the display information.
15. An input device according to claim 14, wherein at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.
16. An input device according to claim 14, wherein said force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed.
covers 17. An input device according to claim 16, wherein the force sensing layer "inen substantial part of the display.
18. An input device according to claim .14, wherein said force sensor is designed as a force-dependent resistance.
19. A method for operating a Eingabevoπϊchtung with a display for displaying an operating element and to display information and having disposed over the display touch screen to detect the position of a touch of a ßedienfläch € of the touch screen; the method comprising:
Measure a force exerted on the operating surface of the touch screen power and generating a signal dependent on the force exerted on the operating surface of the touch screen power control command and / or generating a signal dependent on the force exerted on the operating surface of the touch screen power display control signal for displaying said displayable on the display information.
20, input device, the input device comprising: a touch screen for detecting the position of a touch of an operating surface of the touch screen; a touch screen associated with the force sensor for measuring a force exerted on the operating surface of the touch screen power; an actuator to move the touch screen in at least one direction; and a controller to move the touchscreen by controlling the actuator, wherein the amount of movement of the touch screen on the force exerted on the touch force is dependent.
21. An input device according to claim 20, the input device further comprising: a remote on one of the operating surface of the touch screen of the touch screen display is arranged.
22. An input device according to claim 20, wherein at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.
23. An input device according to claim 20, wherein said force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed.
24. An input device according to claim 20, wherein said force sensor is designed as a force-dependent resistance.
25. A method of operating an input device with a touch screen for detecting the position of a touch of an operating surface of the touch screen; the method comprising:
Measure a force exerted on the operating surface of the touch screen power; Moving the touch screen, wherein the movement or the amount of movement of the touch screen on the force exerted on the touch force is dependent.
26. The method of claim 25, the method further comprising:
Queries if the force exerted on the operating surface of the touch screen is greater than a first power threshold; and
Move the touchscreen when the force exerted on the operating surface of the touch screen is greater than the first force threshold.
27. The method of claim 26, the method further comprising:
Queries if the force exerted on the operating surface of the touch screen is greater than a second power threshold value, wherein the second force limit is greater than the first power threshold value; and
Move the touchscreen when the force exerted on the operating surface of the touch screen is greater than the second force limit.
28 input device, the input device comprising: a display for displaying a control element; a touch screen disposed over the display for detecting the position of a touch of an operating surface of the touch screen; a touch screen associated with the force sensor for measuring a force exerted on the operating surface of the touch screen power; an actuator to move the touch screen in at least one direction; and a controller for such a control of the actuator, that a surface structure of the control surface can be felt by movement of the touch screen in parallel to the operating surface direction, provided that the control surface contacts at an intended for a pattern position and a force is exerted on the operating surface that is greater as a first force limit value, and that the touch screen is moved in parallel to the operating surface direction, provided that the operating surface is touched at a position at which an operating element is displayed by means of the display, and if a force is exerted on the operating surface ,, the greater than a second force limit value.
29. An input device according to claim 28, wherein at least two different values ​​of a force exerted on the operating surface force are distinguishable by means of the force sensor.
30. An input device according to claim 28, wherein said force sensor as in the touch screen integrated or associated with the touch screen transparent force measuring layer is designed.
31. An input device according to claim 30, wherein the load layer covers a substantial part of the display.
32. An input device according to claim 28, wherein said force sensor is designed as a force-dependent resistance.
EP20050785201 2004-12-30 2005-09-21 Input device and method for the operation thereof Ceased EP1834229A2 (en)

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US8599142B2 (en) 2013-12-03 grant
WO2006074712A3 (en) 2006-11-16 application
US20060146036A1 (en) 2006-07-06 application
WO2006074712A2 (en) 2006-07-20 application

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