WO2010067577A1 - 入力装置 - Google Patents
入力装置 Download PDFInfo
- Publication number
- WO2010067577A1 WO2010067577A1 PCT/JP2009/006675 JP2009006675W WO2010067577A1 WO 2010067577 A1 WO2010067577 A1 WO 2010067577A1 JP 2009006675 W JP2009006675 W JP 2009006675W WO 2010067577 A1 WO2010067577 A1 WO 2010067577A1
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- WIPO (PCT)
- Prior art keywords
- input
- unit
- pressing
- load
- touch panel
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G06F3/04142—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction 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
- G06F3/0488—Interaction 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
- G06F3/04886—Interaction 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 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
Definitions
- the present invention relates to an input device including an input unit that receives an input by pressing.
- input devices that include a plate-like input unit that receives an input by pressing a touch panel, a touch switch, or the like as an input unit that receives an input operation by a user.
- input units such as a resistive film type and a capacitance type.
- any of these input units accepts input by pressing with a finger or a stylus pen, and the input unit itself is not displaced like a push button switch even when pressed.
- a press input is received and a sound is produced, or a display color of an input object such as an input button displayed on the display unit corresponding to the press area is displayed.
- an input operation can be confirmed by hearing, sight or touch by changing the display mode such as changing or driving a vibrator and feeding back the input operation.
- each of these feedback methods simply notifies the operator that the input has been completed, and does not present the operator with a pressing feeling that the push button switch has been pressed. Absent. For this reason, for example, an input key of an information device such as a portable terminal such as a mobile phone, a calculator, a ticket vending machine, an input key of an operation unit in a home appliance such as a microwave oven or a television is configured with a touch panel, and the touch panel When the above feedback technique is applied, the operator feels uncomfortable.
- an object of the present invention made in view of such a point is a real configuration similar to the case where the operator operates the push button switch when the operator operates the push type input unit with a simple configuration that can be downsized. It is an object of the present invention to provide an input device capable of presenting a feeling of pressing.
- the invention of the input device is as follows: An input unit for receiving an input by pressing; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the pressing load detected by the load detecting unit satisfies a predetermined standard for receiving an input to the input unit, the levitation force is generated on the pressing object pressing the input unit.
- the invention according to a second aspect is the input device according to the first aspect,
- the control unit receives the input to the input unit and then generates a levitation force to the pressed object when a pressing load detected by the load detection unit satisfies a predetermined standard. Control the drive of the vibration part, It is characterized by this.
- the invention according to a third aspect is the input device according to the first or second aspect, An input object formed in the input unit; A position detection unit that detects an input position with respect to the input unit; The control unit controls the driving of the vibration unit when the input position where the input object is formed is detected by the position detection unit. It is characterized by this.
- the invention of the input device is as follows: A display unit for displaying an input object; An input unit for receiving an input by pressing the display unit; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the input to the input unit is an input to the input object displayed on the display unit and the pressing load detected by the load detection unit satisfies a predetermined criterion for receiving the input, the input A control unit that controls the driving of the vibrating unit so as to generate a levitation force with respect to the pressed object that is pressing the unit; It is characterized by providing.
- An invention according to a fifth aspect is the input device according to the fourth aspect,
- the control unit receives the input to the input unit and then generates a levitation force to the pressed object when a pressing load detected by the load detection unit satisfies a predetermined standard. Control the drive of the vibration part, It is characterized by this.
- the invention of the input device is as follows: An input unit for receiving an input by pressing; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the pressing load detected by the load detecting unit satisfies a predetermined standard for receiving an input to the input unit, a squeeze film effect is applied to a pressing object pressing the input unit.
- An invention according to a seventh aspect is the input device according to the sixth aspect, After the control unit receives an input to the input unit, the control unit causes the squeeze film effect to act on the pressed object when the pressing load detected by the load detection unit satisfies a predetermined standard. Controlling the drive of the vibrating section; It is characterized by this.
- the invention according to an eighth aspect is the input device according to the sixth or seventh aspect, An input object formed in the input unit; A position detection unit that detects an input position with respect to the input unit; The control unit controls the driving of the vibration unit when the input position where the input object is formed is detected by the position detection unit. It is characterized by this.
- the invention of the input device for achieving the above object is as follows: A display unit for displaying an input object; An input unit for receiving an input by pressing the display unit; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the input to the input unit is an input to the input object displayed on the display unit and the pressing load detected by the load detection unit satisfies a predetermined criterion for receiving the input, A control unit for controlling the driving of the vibrating unit so as to cause a squeeze film effect to act on a pressed object pressing the input unit; It is characterized by providing.
- An invention according to a tenth aspect is the input device according to the ninth aspect, After the control unit receives an input to the input unit, the control unit causes the squeeze film effect to act on the pressed object when the pressing load detected by the load detection unit satisfies a predetermined standard. Controlling the drive of the vibrating part; It is characterized by this.
- the invention of the input device for achieving the above object is as follows: An input unit for receiving an input by pressing; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the pressing load detected by the load detection unit satisfies a predetermined standard for receiving an input to the input unit, a frictional force between a pressing object pressing the input unit and the input unit is obtained.
- a control unit for controlling the driving of the vibration unit to reduce, It is characterized by providing.
- the invention according to a twelfth aspect is the input device according to the eleventh aspect,
- the control unit receives the input to the input unit, and then, when the pressing load detected by the load detection unit satisfies a predetermined standard, the control unit calculates the frictional force between the pressed object and the input unit. Controlling the drive of the vibrating part to reduce, It is characterized by this.
- the invention according to a thirteenth aspect is the input device according to the eleventh or twelfth aspect, An input object formed in the input unit; A position detection unit that detects an input position with respect to the input unit; The control unit controls the driving of the vibration unit when the input position where the input object is formed is detected by the position detection unit. It is characterized by this.
- the invention of the input device for achieving the above object is: A display unit for displaying an input object; An input unit for receiving an input by pressing the display unit; A load detection unit for detecting a pressing load on the input unit; A vibrating section for vibrating the input section; When the input to the input unit is an input to the input object displayed on the display unit and the pressing load detected by the load detection unit satisfies a predetermined criterion for receiving the input, A control unit that controls driving of the vibration unit so as to reduce a frictional force between a pressing object pressing the input unit and the input unit; It is characterized by providing.
- the invention according to a fifteenth aspect is the input device according to the fourteenth aspect,
- the control unit receives the input to the input unit, and then, when the pressing load detected by the load detection unit satisfies a predetermined standard, the control unit calculates the frictional force between the pressed object and the input unit. Controlling the drive of the vibrating part to reduce, It is characterized by this.
- the input unit when the pressing load applied to the input unit satisfies a predetermined standard for receiving input, the input unit is vibrated to generate a levitation force on the pressed object, or squeezed to the pressed object. Since the film effect is applied or the frictional force between the pressed object and the input unit is reduced, the pressing feeling is the same as when the push button switch is operated to the operator with a simple configuration that can be downsized. Can be presented.
- FIG. 1 It is a figure which shows the general load characteristic of a pushbutton switch. It is a figure which shows the time change of the load and stroke in the load characteristic at the time of pressing shown in FIG. It is a figure which shows the time change of the load and stroke in the load characteristic at the time of the release shown in FIG. It is a figure for demonstrating the examination result of the press direction in the case of pressing a plate with a finger. It is a figure for demonstrating the generation principle of a squeeze film effect. It is a block diagram which shows schematic structure of the input device which concerns on 1st Embodiment of this invention. It is a figure which shows an example of the mounting structure of the input device shown in FIG. It is a flowchart which shows operation
- FIG. 1 It is a flowchart which shows operation
- metal dome switches, emboss switches, rubber switches, tactile switches, and the like are widely known as push button switches used in information equipment and home appliances.
- the load characteristics of these general push button switches generally have the characteristics shown in FIG. 1, although there are differences in the stroke of the push button and the applied load (pressing force) depending on the type of switch. .
- the period from point A to point B is a period in which the load increases almost in proportion to the pressing from the start of pressing the push button.
- the period from the point B to the point C is a period in which a convex elastic member such as a metal dome buckles due to the push button being pressed and the load is rapidly reduced.
- the period from the point C to the point D is a period in which the load increases substantially in proportion to the push-in when the contact of the switch is closed.
- the load characteristics at the time of release of the push button have some hysteresis but follow the opposite change from that at the time of push. That is, the period from the point D to the point E is a period in which the load decreases almost in proportion to the start of the release, and the switch contact is maintained in the closed state.
- the period from the point E to the point F is a period in which the elastic member returns from the buckled state to the convex shape due to the release of the push button and the load increases rapidly, and the contact of the switch is opened at the start of this period.
- the period from the point F to the point G is a period from the return of the elastic member to the release of the finger from the push button, and a period in which the load decreases approximately in proportion. Therefore, the time change of the load and the stroke at the time of release becomes a pattern opposite to that in FIG. 2, as shown in FIG.
- the maximum stroke of the push button is, for example, 1 mm or less in the case of a metal dome switch, an emboss switch, and a tactile switch, and is as small as 3 mm or less in the case of a rubber switch.
- the load at point B is, for example, around 1N to around 4N in the case of a metal dome switch, emboss switch, and tactile switch, and is around 0.5N in the case of a rubber switch, for example.
- the present inventors examined the direction in which the operator presses the plate with a finger. As a result, as shown in FIG. 4, even if the operator intends to press the plate 1 by lowering the finger 2 parallel to the pressing direction (normal direction) of the plate 1, strictly speaking, From the influence of the joints and the like, it was found that the pressure was pressed in the direction deviated by ⁇ with respect to the normal direction, and there was a pressing force component also in the tangential direction perpendicular to the normal direction.
- the present inventors have conducted intensive studies. As a result, when the plate is pressed with a finger, the levitation force can be achieved by applying a squeeze film effect to the finger pressing the plate in the middle of pressing, even if the plate is hardly displaced in the normal direction. It was found that the buckling of the convex elastic member in the push button switch can be expressed by generating a tangential direction and reducing the pressing force component in the tangential direction (plane direction) orthogonal to the normal direction.
- the plate when the load applied to the plate reaches a predetermined value, the plate is vibrated, thereby generating a levitation force on the finger by the squeeze film effect acting on the finger. Then, if the frictional resistance (frictional force) between the plate and the finger is reduced and the fingertip is slid slightly, the operator can be given an illusion that the load has been reduced rapidly. Thereby, the load characteristic at the time of pressing similar to that in FIG. 1 can be expressed, and it becomes possible to present the operator with the same pressing feeling as when the push button switch is operated.
- the squeeze film effect is a phenomenon in which when two planes having a sufficiently large area with respect to a distance suddenly approach each other, the pressure of the fluid layer between the two planes rises to generate a repulsive force (a squeeze film is generated). Phenomenon). This effect reduces the frictional force between the planes.
- Typical theories explaining this squeeze film effect include Langevin radiation pressure theory in the acoustic field and squeeze film pressure theory in the lubrication field. In any of these theories, the levitation force generated through a fluid layer such as air above the vibration surface is calculated by vibrating the vibration surface at a frequency in the ultrasonic region.
- the levitation force (squeeze force) FL acting on the circular object 6 of radius a on the vibration surface of the object 5 that vibrates ultrasonically with the vibration amplitude ⁇ is 1) It is represented by the formula.
- ⁇ 0 is the air density in the reference state
- c 0 is the speed of sound in the reference state
- h is the flying distance.
- the squeeze force FS acting on the circular object 6 in FIG. 5 is expressed by the following equation (2).
- ⁇ is a specific heat ratio, and other variables are the same as in equation (1).
- the levitation force due to the action of the squeeze film effect occurs not only when the object surface is vibrated ultrasonically but also when the object surface is vibrated at an audible frequency.
- the plate 1 when the plate 1 is pressed, the plate 1 is vibrated in the middle of pressing to generate a levitation force by applying a squeeze film effect to the finger 2, thereby causing the plate 1 and the finger 2 to move.
- the load characteristic at the time of pressing similar to that in FIG. 1 can be expressed, and it becomes possible to present the operator with the same pressing feeling as when the push button switch is operated.
- the input device when pressing a plate-shaped press type input unit, when the pressing load satisfies a predetermined standard during the pressing, the input unit By presenting a levitation force by applying a squeeze film effect to a pressed object that vibrates and presses the input unit, the operator feels the same pressing feeling as when the push button switch is pressed. It is.
- FIG. 6 is a block diagram showing a schematic configuration of the input device according to the first embodiment of the present invention.
- the input device includes a display panel 11, a touch panel 12, a load detection unit 13, a vibration unit 14, and a control unit 15 that controls the overall operation.
- the display panel 11 constitutes a display unit that displays an input object such as an input button, and is configured using, for example, a liquid crystal display panel, an organic EL display panel, or the like.
- the touch panel 12 constitutes an input unit that accepts an input by pressing on the display panel 11, and is configured by using, for example, a known device such as a resistance film method or a capacitance method.
- the load detection unit 13 detects a pressing load on the touch panel 12, and is configured using, for example, a strain gauge sensor. Moreover, the vibration part 14 vibrates the touch panel 12, for example, is comprised using a Langevin type ultrasonic transducer
- vibrator piezoelectric element
- FIG. 7 shows an example of a mounting structure of the input device shown in FIG. 6, FIG. 7 (a) is a sectional view of the principal part, and FIG. 7 (b) is a plan view of the principal part.
- the display panel 11 is housed and held in the housing 21.
- a touch panel 12 is held on the display panel 11 via an insulator 22 made of an elastic member.
- the display panel 11 and the touch panel 12 are rectangular in a plan view, and the touch panel 12 is separated from the display area A of the display panel 11 indicated by a virtual line in FIG. It is held on the display panel 11 via insulators 22 arranged at the four corners.
- the casing 21 is provided with an upper cover 23 so as to cover the surface area of the touch panel 12 outside the display area of the display panel 11, and an insulator made of an elastic member is provided between the upper cover 23 and the touch panel 12. 24 is arranged.
- the touch panel 12 has, for example, a surface, that is, an operation surface made of a transparent film, a back surface made of glass, and when the operation surface is pressed, the surface transparent film bends (distorts) in a small amount according to the pressing force. ) Structures can be used.
- the input device includes a strain gauge sensor for detecting a load (pressing force) applied to the touch panel 12 in the vicinity of each side covered with the upper cover 23 on the transparent film on the surface of the touch panel 12. 31 are provided by bonding or the like. Further, on the glass surface on the back surface of the touch panel 12, a Langevin type ultrasonic transducer 32 for ultrasonically vibrating the touch panel 12 is provided by adhesion or the like in the vicinity of two opposing sides. That is, in the input device shown in FIG. 7, the load detection unit 13 shown in FIG. 6 is configured using four strain gauge sensors 31, and the vibration unit 14 is configured using two ultrasonic transducers 32. In FIG. 7B, the casing 21, the upper cover 23, and the insulator 24 shown in FIG. 7A are not shown.
- the control unit 15 monitors the input to the touch panel 12 and also monitors the load detected by the load detection unit 13. And the input to the touch panel 12 is the input with respect to the object for input displayed on the display panel 11, and the press load detected by the load detection part 13 is a predetermined reference
- the vibration unit 14 is driven. Thereby, the touch panel 12 is ultrasonically vibrated, and the squeeze film effect is applied to the finger pressing the touch panel 12 or the pressed object of the stylus pen. That is, a levitation force is generated with respect to a finger pressing the touch panel 12 or a stylus pen pressing object.
- the frictional force between the finger pressing the touch panel 12 or the pressed object of the stylus pen and the touch panel 12 is reduced.
- the load detection unit 13 detects the load from the average value of the outputs of the four strain gauge sensors 31, for example.
- the vibration unit 14 drives, for example, two ultrasonic transducers 32 in the same phase.
- FIG. 8 is a flowchart showing the operation of the control unit 15 of the input device according to the present embodiment.
- the control unit 15 indicates that the input to the touch panel 12 is an input to the input object displayed on the display panel 11, and the pressing load detected by the load detection unit 13 satisfies a predetermined criterion for receiving the input. Is detected (step S81), the input to the touch panel 12 at that time is accepted, and the vibration unit 14 is driven for a predetermined time, so that the touch panel 12 is ultrasonically vibrated with a predetermined vibration amplitude (step S82).
- the squeeze film effect is made to act on the pressed object pressing the touch panel 12. That is, a levitation force is generated with respect to the pressed object that is pressing the touch panel 12.
- the frictional force between the pressed object pressing the touch panel 12 and the touch panel 12 is reduced.
- a feeling of pressing is presented to the operator so that the input operation is completed.
- the predetermined reference detected in step S81 in FIG. 8 is, for example, the load at point B in FIG. 1 and FIG.
- the drive time of the vibration unit 14 driven in step S82 is a time t1 from point B to point C in FIG. That is, the load (pressing force) for starting the ultrasonic vibration of the touch panel 12, the vibration amplitude of the ultrasonic vibration, and the vibration time may be appropriately set according to the load characteristics when the push button switch to be expressed is pressed.
- the vibration unit 14 is driven to act the squeeze film effect. That is, the vibration unit 14 is driven to generate a levitation force. In other words, the vibration unit 14 is driven to reduce the frictional force. Thereby, a feeling of pressing is presented to the operator to recognize that the input operation has been completed. Therefore, the operator can perform an input operation while obtaining a touch feeling similar to that when the push button switch is operated on the touch panel 12, and thus does not feel uncomfortable.
- the input operation can be performed in conjunction with the consciousness of “pressing” the touch panel 12, an input error due to simple pressing can be prevented.
- the touch panel does not need to be moved together with the display panel as in Patent Document 1, the configuration can be simplified and the entire apparatus can be downsized.
- the input device provides tactile stimulation to the operator at the time of release so as to give an operation feeling (tactile feeling) closer to that of a push button switch than in the case of the first embodiment. give. Thereby, the release feeling of the push button switch is presented.
- the input device receives an input by pressing the touch panel 12, and then presses the finger or stylus pen from the touch panel 12.
- the control unit 15 further controls the drive of the vibration unit 14.
- a squeeze film effect is made to act on a pressed object. That is, a levitation force is generated for the pressed object. In other words, the frictional force between the pressed object and the touch panel 12 is reduced.
- FIG. 9 is a flowchart showing the operation of the input device according to the present embodiment. That is, after executing the processing of step S81 and step S82 described in FIG. 8, the control unit 15 reaches a predetermined reference (fourth reference) while the load detected by the load detection unit 13 decreases. Is detected (step S83), the vibration unit 14 is driven for a predetermined time, and the touch panel 12 is ultrasonically vibrated with a predetermined vibration amplitude (step S84).
- the predetermined reference detected in step S83 in FIG. 9 is, for example, the load at point E in FIGS.
- the driving time of the vibration unit 14 driven in step S84 is, for example, a time t2 from point E to point F in FIG. Note that the load for starting ultrasonic vibration at the time of release, the drive time of the vibration unit 14, and the vibration amplitude of the touch panel 12 can be appropriately set according to the load characteristics at the time of release of the push button switch to be expressed. Therefore, it is possible to set the same as when pressing.
- FIG. 10 and 11 show an input device according to a third embodiment of the present invention.
- FIG. 10 is a block diagram showing a schematic configuration
- FIG. 11 is a front view.
- This input device is mounted on, for example, a portable terminal.
- a touch panel 41 that is an input unit that receives an input by pressing
- a position detection unit 42 that detects an input position with respect to the touch panel 41
- a display panel 43 that displays information based on the input position detected by the position detection unit 42
- a load detection unit 44 that detects a pressing load on the touch panel 41
- a vibration unit 45 that vibrates the touch panel 41, and the overall operation
- a control unit 46 controls the overall operation.
- a plurality of input objects 41a such as numeric keys are formed in advance by printing or pasting.
- Each input object 41a sets an effective pressing area for receiving input narrower than the formation area of the input object 41a in order to prevent erroneous input due to pressing across a plurality of adjacent input objects 41a.
- the load detection unit 44 and the vibration unit 45 are each applied with a pressure load on the touch panel 41 using a strain gauge sensor and a Langevin type ultrasonic transducer, respectively, as in the case of the input device shown in FIG. 7.
- the touch panel 41 is configured to be capable of vibrating.
- the control unit 46 monitors the input to the touch panel 41 and the load detected by the load detection unit 44, and the touch panel 41 detected by the position detection unit 42. Monitor the input position. Then, the input position of the effective pressing area of the input object is detected by the position detecting unit 42, and the pressing load detected by the load detecting unit 44 is a predetermined reference for accepting the input detected by the touch panel 41 (first ), The touch panel 41 is vibrated by the vibration part 45, and the squeeze film effect is applied to the finger pressing the touch panel 41 or the pressed object of the stylus pen. That is, a levitation force is generated for a finger pressing the touch panel 41 or a stylus pen pressing object.
- control unit 46 receives the input detected by the touch panel 41, and thereby displays the display panel 43 according to the input.
- the vibration unit 45 is driven to cause the squeeze film effect. That is, the vibration unit 45 is driven to generate a levitation force. In other words, the vibration part 45 is driven to reduce the frictional force. Thereby, a feeling of pressing is presented to the operator to recognize that the input operation has been completed. Therefore, the operator can perform an input operation while obtaining the same touch feeling as when the push button switch is operated on the touch panel 41, and thus does not feel uncomfortable.
- the touch panel 41 may be configured to vibrate, and it is not necessary to configure the entire touch panel 41 to be movable. Therefore, the configuration can be simplified and the entire apparatus can be downsized.
- the input device controls the driving of the vibration unit 45 when the touch panel 41 is pressed, but after receiving an input to the touch panel 41, the touch panel 41 presses a finger, a stylus pen, or the like. Even when an object is released, a squeeze film effect can be applied to the pressed object. That is, a levitation force can be generated for the pressed object. In other words, the frictional force between the pressed object and the touch panel 41 can be reduced. Thereby, a tactile sensation can be given to the operator and a release feeling of the push button switch can be presented.
- the touch panel 41 is vibrated by the vibration unit 45 to cause a squeeze film effect. That is, levitation force is generated. In other words, the frictional force is reduced.
- a metal dome switch widely used in a commercially available mobile terminal has a variation depending on the terminal model according to the measurement results by the present inventors, but a predetermined load of 0.98 N (100 gf) or more is applied. It has been found that the load characteristic has a load characteristic that suddenly decreases. Therefore, the inventors of the input device shown in FIG. 6 and FIG. 7, when pressing of the touch panel 12 is started and the load reaches a predetermined value of about 0.98 N, the touch panel 12 is moved to the vibration frequency.
- the vibration amplitude was 4 ⁇ m or more
- the vibration time was in the range of 16 ms to 24 ms.
- FIG. 12 shows an evaluation result of an experiment in which the load at the driving start time of the vibration unit 14 is 0.98 N, the vibration time is 20 ms, and the vibration amplitude is varied between 2.0 ⁇ m and 6.0 ⁇ m.
- the test subjects are three men in their twenties who are accustomed to using the mobile terminal, and the evaluation items are “Is there a feeling of pressing” (solid line) and “Is it a good feeling” (dashed line).
- FIG. 13 shows the evaluation results of an experiment in which the load at the start of driving the vibration unit 14 is 0.98 N, the vibration amplitude is 4.0 ⁇ m, and the vibration time is varied between 10 ms and 40 ms.
- the subjects, evaluation items, and evaluation points are the same as those in FIG.
- the feeling of pressing can be presented in the vibration time range of 16 ms to 24 ms. From this result, when the vibration time is shorter than 16 ms, even if the squeeze film effect is generated, it is not possible to feel “a sudden decrease in force”, and when the vibration time is longer than 24 ms, Since the period of “sudden decrease” is too long and feels uncomfortable, it is considered difficult to feel a pressing feeling.
- FIG. 14 shows the evaluation results of an experiment in which the vibration amplitude of the vibration unit 14 is 4.0 ⁇ m, the vibration time is 20 ms, and the load at the start of driving is varied between 0.5 N and 3.0 N.
- the subjects, evaluation items, and evaluation points are the same as those in FIGS.
- the vibration frequency of the touch panel 12 it was not restricted to an ultrasonic wave of 28.2KHz, It has confirmed that the same result was obtained by the arbitrary frequencies which can generate the levitation force by a squeeze film effect.
- the drive signal waveform of the vibration unit 14 is not limited to a sine wave, and it can be confirmed that the same result can be obtained if the touch panel 12 can be vibrated with an arbitrary waveform such as a rectangular wave or a sawtooth wave.
- the load detection unit can be configured using an arbitrary number of strain gauge sensors, and can be configured without using a strain gauge sensor if a load can be detected based on an output signal of the touch panel.
- the vibration unit can be configured using an arbitrary number of vibrators (piezoelectric elements).
- a transparent piezoelectric element can be provided on the entire operation surface of the touch panel.
- the predetermined criteria in the present invention may be different criteria or the same criteria.
- the predetermined reference (fourth reference) according to the second embodiment may be set lower than the predetermined reference (third reference) according to the first embodiment.
- the present invention can also be effectively applied to an input device whose input unit functions as a single switch.
- the input device according to the present invention is a multi-stage switch such as a two-stage switch (push in and then push in) by sequentially generating squeeze film effects with different standards (loads) during the pressing of the input unit.
- the load characteristics Thereby, for example, when applied to a release button of a camera, it is possible to perform focus locking (pressing one step) and releasing (pressing two steps).
- the display of the menu screen or the like can be variously changed according to the number of push-in steps.
- the load characteristics of the multi-stage switch as described above, it is possible to change the vibration amplitude and vibration time of the input unit at each stage to present different pressing feelings at each stage.
- the vibrating unit when the pressing load detected by the load detecting unit satisfies a predetermined criterion for receiving an input, the vibrating unit is driven, but the pressing load detected by the load detecting unit receives the input.
- the time when the predetermined standard is satisfied may be when the pressing load detected by the load detecting unit reaches a predetermined value for receiving an input, or the pressing load detected by the load detecting unit is a predetermined for receiving an input. It may be when the value is exceeded, or may be when a predetermined value for receiving an input is detected by the load detection unit.
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Abstract
Description
押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とするものである。
入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準満たした際に、前記入力部を押圧している押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とするものである。
入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とするものである。
入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とするものである。
前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する、
ことを特徴とするものである。
図6は、本発明の第1実施の形態に係る入力装置の概略構成を示すブロック図である。この入力装置は、表示パネル11、タッチパネル12、荷重検出部13、振動部14、および、全体の動作を制御する制御部15を有する。表示パネル11は、入力ボタン等の入力用オブジェクトを表示する表示部を構成するもので、例えば、液晶表示パネルや有機EL表示パネル等を用いて構成される。タッチパネル12は、表示パネル11に対する押圧による入力を受け付ける入力部を構成するもので、例えば、抵抗膜方式や静電容量方式等の公知のものを用いて構成される。荷重検出部13は、タッチパネル12に対する押圧荷重を検出するもので、例えば、歪みゲージセンサを用いて構成される。また、振動部14は、タッチパネル12を振動させるもので、例えば、ランジュバン型の超音波振動子(圧電素子)を用いて構成される。
押しボタンスイッチを操作した場合、押下時のみならず、リリース時においても、指に押しボタンスイッチから何らかの触感刺激が与えられる。そこで、本発明の第2実施の形態に係る入力装置は、第1実施の形態の場合よりも、より押しボタンスイッチに近い操作感(触感)を与えるように、リリース時に触感刺激を操作者に与える。これにより、押しボタンスイッチのリリース感を呈示する。
図10および図11は、本発明の第3実施の形態に係る入力装置を示すもので、図10は概略構成を示すブロック図、図11は正面図である。この入力装置は、例えば、携帯端末に実装されるもので、図10に示すように、押圧による入力を受け付ける入力部であるタッチパネル41と、タッチパネル41に対する入力位置を検出する位置検出部42と、位置検出部42で検出された入力位置に基づく情報を表示する表示パネル43と、タッチパネル41に対する押圧荷重を検出する荷重検出部44と、タッチパネル41を振動させる振動部45と、全体の動作を制御する制御部46とを有する。
12 タッチパネル
13 荷重検出部
14 振動部
15 制御部
21 筐体
22 インシュレータ
23 アッパカバー
24 インシュレータ
31 歪みゲージセンサ
32 超音波振動子
41 タッチパネル
41a 入力用オブジェクト
42 位置検出部
43 表示パネル
44 荷重検出部
45 振動部
46 制御部
Claims (15)
- 押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する、
ことを特徴とする請求項1に記載の入力装置。 - 前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とする請求項1または2に記載の入力装置。 - 入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対して浮揚力を発生させるように前記振動部の駆動を制御する、
ことを特徴とする請求項4に記載の入力装置。 - 押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する、
ことを特徴とする請求項6に記載の入力装置。 - 前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とする請求項6または7に記載の入力装置。 - 入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物に対してスクイーズ膜効果を作用させるように前記振動部の駆動を制御する、
ことを特徴とする請求項9に記載の入力装置。 - 押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記荷重検出部により検出される押圧荷重が、前記入力部への入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する、
ことを特徴とする請求項11に記載の入力装置。 - 前記入力部に形成された入力用オブジェクトと、
前記入力部に対する入力位置を検出する位置検出部とを有し、
前記制御部は、前記位置検出部により前記入力用オブジェクトが形成された入力位置が検出された場合に前記振動部の駆動を制御する、
ことを特徴とする請求項11または12に記載の入力装置。 - 入力用オブジェクトを表示する表示部と、
前記表示部に対する押圧による入力を受け付ける入力部と、
前記入力部に対する押圧荷重を検出する荷重検出部と、
前記入力部を振動させる振動部と、
前記入力部への入力が前記表示部に表示された前記入力用オブジェクトに対する入力で、かつ、前記荷重検出部により検出される押圧荷重が、当該入力を受け付ける所定の基準を満たした際に、前記入力部を押圧している押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する制御部と、
を備えることを特徴とする入力装置。 - 前記制御部は、前記入力部への入力を受け付けた後、前記荷重検出部により検出される押圧荷重が所定の基準を満たした際に、前記押圧物と前記入力部との間の摩擦力を低減させるように前記振動部の駆動を制御する、
ことを特徴とする請求項14に記載の入力装置。
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US8262480B2 (en) * | 2009-11-12 | 2012-09-11 | Igt | Touch screen displays with physical buttons for gaming devices |
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US9007190B2 (en) | 2010-03-31 | 2015-04-14 | Tk Holdings Inc. | Steering wheel sensors |
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KR20110088558A (ko) | 2011-08-03 |
US11003249B2 (en) | 2021-05-11 |
JP2010140102A (ja) | 2010-06-24 |
KR101336801B1 (ko) | 2013-12-04 |
EP2357546A4 (en) | 2017-04-19 |
CN102246127A (zh) | 2011-11-16 |
CN102246127B (zh) | 2015-04-08 |
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EP2357546A1 (en) | 2011-08-17 |
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