WO2022044452A1 - 入力装置 - Google Patents
入力装置 Download PDFInfo
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- WO2022044452A1 WO2022044452A1 PCT/JP2021/019352 JP2021019352W WO2022044452A1 WO 2022044452 A1 WO2022044452 A1 WO 2022044452A1 JP 2021019352 W JP2021019352 W JP 2021019352W WO 2022044452 A1 WO2022044452 A1 WO 2022044452A1
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- Prior art keywords
- drive signal
- section
- input device
- actuator
- signal
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- 230000000630 rising effect Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
- B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
- B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
Definitions
- the present invention relates to an input device.
- Patent Document 1 discloses a technique of generating a tactile sensation at a user's fingertip in contact with a touch panel by vibrating a movable panel unit provided with a touch panel by an actuator. Further, Patent Document 1 below discloses a configuration in which a waveform having a gradual change in magnitude is exhibited so that a high frequency component is suppressed at both the start time and / or the end time of the drive signal of the actuator.
- Patent Document 2 discloses a technique for presenting a tactile sensation by vibrating a panel using a magnetic force. Further, Patent Document 2 below discloses a technique for vibrating a panel so that the vibration of the panel has a waveform that rises gently squared with a sine wave.
- the actuator responds to an input operation with zero travel or minute travel (hereinafter referred to as "zero travel, etc.") to the operation panel. It was not possible to properly adjust the characteristics of the pseudo-operation sound and operation feeling generated in the vehicle by the drive signal.
- the actuator in response to an input operation such as zero travel on the touchpad, the actuator wants to generate a pseudo low-frequency click operation feeling and a low-frequency click operation sound of the mechanical switch, but the unintended high frequency There is a risk that output sound will be generated, giving the operator a sense of discomfort.
- the actuator wants to generate a low frequency click operation feeling of the mechanical switch and a high frequency and high output level click operation sound in a pseudo manner.
- the output level of the click operation sound is insufficient, which may give the operator a sense of discomfort.
- the actuator wants to generate a pseudo stroke operation feeling of the mechanical switch for an input operation such as zero travel of the touch pad, the actual displacement amount of the touch pad is extremely small, which is sufficient for the operator. There is a risk that it will not be possible to present a feeling of stroke operation.
- the input device includes an operation unit in which an input operation is performed by an operator, a detection unit that detects an input operation to the operation unit, an actuator that applies vibration to the operation unit, and a detection result by the detection unit.
- a control unit that supplies a drive signal to the actuator is provided, and the control unit consists of a triangular wave or a sine wave as the drive signal, and the rising section and the falling section are asymmetrical with the peak position as a boundary.
- a single pulse signal having a signal waveform is supplied to the actuator.
- a block diagram showing a configuration of an input device The figure which shows an example of the drive signal of a conventional actuator
- the figure which shows the signal waveform of the drive signal which concerns on one Embodiment The figure which shows an example of the vibration waveform of the operation part by the drive signal shown in FIG.
- the figure which shows the signal waveform of the drive signal which concerns on one Embodiment The figure which shows the signal waveform of the drive signal which concerns on one Embodiment
- the figure which shows the signal waveform of the drive signal which concerns on one Embodiment The figure which shows the vibration waveform of the operation part by the drive signal shown in FIG.
- the figure which shows the signal waveform of the drive signal which concerns on one Embodiment
- FIG. 1 is a block diagram showing a configuration of an input device 100 according to an embodiment.
- the input device 100 shown in FIG. 1 is used as an input device (for example, a controller for a game machine, an input device for a vehicle, etc.) for performing an input operation on an operation target device.
- the input device 100 can present a pseudo operation sound and an operation feeling to the operator by generating vibration in response to the input operation by the operator.
- the input device 100 includes an operation unit 102, a detection unit 104, an actuator 106, and a control unit 108.
- the operation unit 102 is operated by an operator.
- the operation unit 102 for example, a touch pad or the like having a hard and flat operation surface is used.
- the operation unit 102 can perform an input operation that hardly causes deformation of the operation surface in the operation direction, that is, an input operation by zero travel or the like.
- the detection unit 104 detects an input operation to the operation unit 102.
- the detection unit 104 inputs to the operation unit 102 by zero travel or the like based on the detection signals output from various sensors (for example, electrostatic sensor, pressure sensor, etc.) incorporated in the operation unit 102. Detects the operation position, pressing force, etc. of the operation.
- the actuator 106 applies vibration to the operation unit 102. Specifically, the actuator 106 generates vibration by being supplied with a drive signal from the control unit 108. The vibration generated by the actuator 106 is transmitted to the operation unit 102, and by vibrating the operation unit 102, the operator who operates the operation unit 102 is presented with an operation feeling.
- the actuator 106 for example, a piezo element, a piezoelectric element, a polymer actuator, or the like can be used.
- the control unit 108 generates vibration by driving the actuator 106 by supplying a drive signal to the actuator 106 according to the detection result by the detection unit 104. For example, when the detection unit 104 detects an input operation to the operation unit 102, the control unit 108 supplies a drive signal to the actuator 106 to drive the actuator 106 to generate vibration. As a result, the actuator 106 generates a pseudo operation sound corresponding to the input operation and presents it to the user, and at the same time, presents the operator a pseudo operation feeling corresponding to the input operation via the operation unit 102. be able to.
- control unit 108 can control the characteristics of the operation sound and the operation feeling presented to the user by controlling the signal waveform of the drive signal supplied to the actuator 106.
- the control unit 108 can control the frequency of the operation sound presented to the user by controlling the signal waveform of the drive signal.
- control unit 108 controls the signal waveform of the drive signal to control the operation feeling imitating the click feeling generated when the mechanical switch is pressed and the stroke amount of the mechanical switch presented to the user. Can be done.
- control unit 108 sends a single pulse signal to the actuator 106, which is composed of a triangular wave or a sine wave as a drive signal and has a signal waveform in which the rising section and the falling section are asymmetrical with the peak position as a boundary. Supply.
- the input device 100 can appropriately adjust the characteristics of the pseudo operation sound and the operation feeling generated in the actuator 106 in response to the input operation.
- FIG. 2 is a diagram showing an example of a drive signal of a conventional actuator.
- FIG. 3 is a diagram showing an example of the signal waveform of the drive signal shown in FIG. 2 and the vibration waveform of the operation unit due to the drive signal.
- the conventional drive signal has a signal waveform in which the rising section and the falling section are symmetrical.
- the actuator required to present the click feeling generated when the metal switch is pressed is driven by the input of the rising section and the falling section.
- the vibration waveform of FIG. 3 when the actuator is driven by the drive signal shown in FIG. 2, it is relatively large depending on the natural vibration frequency of the operation unit even after the end of the falling section of the signal waveform of the drive signal. Residual vibration occurs. This residual vibration causes an unintended high frequency and high output level operation sound.
- FIG. 4 is a diagram showing a signal waveform of the drive signal S1 according to the embodiment.
- the drive signal S1 shown in FIG. 4 is a first example of a drive signal supplied from the control unit 108 to the actuator 106 in the input device 100 according to the embodiment.
- the drive signal S1 is a single pulse signal composed of a triangular wave and having a signal waveform in which the rising section P1 and the falling section P2 are asymmetrical with the peak position as a boundary.
- the falling section P2 is longer than the rising section P1. That is, in the signal waveform of the drive signal S1, the voltage rise in the rising section P1 is steep, while the voltage drop in the falling section P2 is gradual. In particular, in the signal waveform of the drive signal S1, the length of the falling section P2 is 20% or more longer than the length of the rising section P1. As shown in FIG. 4, the signal waveform of the drive signal S1 may have a linear voltage drop in the falling section P2 or a quadratic curve. At this time, the voltage rise in the rising section P1 may be linear or quadratic.
- FIG. 5 is a diagram showing an example of the vibration waveform of the operation unit 102 due to the drive signal S1 shown in FIG.
- FIG. 5 shows the vibration waveform of the operation unit 102 when the actuator 106 is driven by the drive signal S1 shown in FIG. 4, together with the signal waveform of the drive signal S1.
- the generation of vibration by the actuator 106 is suppressed in the falling section P2 of the signal waveform of the drive signal S1.
- the operation sound generated by the actuator 106 has a lower frequency component.
- the input device 100 according to the embodiment by making the falling section P2 of the drive signal S1 gentle, the difference between the drive frequency and the natural frequency of the operation unit 102 can be increased, and high-frequency vibration can be achieved. Can be suppressed. As a result, the input device 100 according to the embodiment can make the operation sound generated by the actuator 106 have a lower frequency component. Further, the input device 100 according to the embodiment further improves the effect of suppressing high frequency vibration by making the length of the falling section P2 of the drive signal S1 longer than the length of the rising section P1 by 20% or more. It has been confirmed by simulation that it can be done.
- FIG. 6 is a diagram showing a signal waveform of the drive signal S2 according to the embodiment.
- the drive signal S2 shown in FIG. 6 is a second example of the drive signal supplied from the control unit 108 to the actuator 106 in the input device 100 according to the embodiment.
- the drive signal S2 shown in FIG. 6 is a single pulse signal composed of a triangular wave and having a signal waveform in which the rising section P3 and the falling section P4 are asymmetrical with the peak position as a boundary.
- the falling section P4 is longer than the rising section P3, similar to the signal waveform of the driving signal S1 shown in FIG.
- the drive required to present the click feeling generated when the metal switch is pressed is the input between the rising section P3 and the falling section P4. After that, the vibration generated by the voltage input during the period until the unapplied level is returned is only noise with respect to the vibration of the desired click feeling presentation, and it is necessary to reduce it as much as possible.
- the signal waveform of the drive signal S2 reaches the peak of the negative voltage in the falling section P4 in order to secure a sufficient drive voltage range.
- the signal waveform of the drive signal S2 further has a return section P5 from the peak of the drive voltage to the return to the initial voltage value (0 V).
- the voltage rise in the return section P5 is gradual.
- the return section P5 has a lower voltage volatility than the fall section P4. That is, it is preferable that the return section P5 has a sufficient length.
- the "sufficient length" is longer than or equal to the length until the residual vibration that can occur at the end of the falling section P4 (that is, when the drive voltage is the peak of the negative voltage) converges.
- the length is such that the voltage returns to the initial voltage value (0V) until the next vibration is generated.
- the length of the return section P5 longer than the length of the fall section P4, it is possible to set it as "the length until the residual vibration that may occur near the end of the fall section P4 converges". can. This is because the length of the vibration period of the residual vibration that can occur near the end of the falling section P4 is generally shorter than the length of the falling section P4.
- the return section P5 sufficiently long in this way, for example, residual vibration that can occur when the drive voltage returns from the peak of the negative voltage to the initial voltage value (0 V) (that is, the end of the return section P5). Can be suppressed.
- the actuator 106 is the piezo element and the drive circuit is sufficient. It is preferably used when it does not have a driving ability.
- FIG. 7 is a diagram showing a signal waveform of the drive signal S3 according to the embodiment.
- the drive signal S3 shown in FIG. 7 is a third example of the drive signal supplied from the control unit 108 to the actuator 106 in the input device 100 according to the embodiment.
- the drive signal S3 is a single pulse signal composed of a triangular wave and having a signal waveform in which the rising section P6 and the falling section P7 are asymmetrical with the peak position as a boundary.
- the falling section P7 is shorter than the rising section P6. That is, in the signal waveform of the drive signal S3, the voltage rise in the rising section P6 is steep, while the voltage drop in the falling section P7 is steeper.
- FIG. 8 is a diagram showing a vibration waveform of the operation unit 102 by the drive signal S3 shown in FIG. 7.
- FIG. 8 shows the vibration waveform of the operation unit 102 when the actuator 106 is driven by the drive signal S3 shown in FIG. 7, together with the signal waveform of the drive signal S3.
- the vibration depending on the natural vibration frequency of the operation unit 102 is amplified in the falling section of the signal waveform of the drive signal S3. ..
- the operation sound generated by the actuator 106 is amplified by the vibration of a high frequency component depending on the natural vibration frequency of the operation unit 102, so that a sound having a high output level is generated.
- the natural vibration frequency of the operation unit 102 is preferably 1 kHz or less.
- FIG. 9 is a diagram showing a signal waveform of the drive signal S4 according to the embodiment.
- the drive signal S4 shown in FIG. 9 is a fourth example of the drive signal supplied from the control unit 108 to the actuator 106 in the input device 100 according to the embodiment.
- the drive signal S4 is a single pulse signal composed of a triangular wave and having a signal waveform in which the rising section P8 and the falling section P9 are asymmetrical with the peak position as a boundary.
- the falling section P9 is shorter than the rising section P8.
- the voltage rise in the rising section P8 changes from steep to gradually gradual, whereas the voltage drop in the falling section P9 is generally steep. be.
- the period of the signal waveform of the drive signal S4 (from the start of the rising section P8 to the end of the falling section P9) is set to 7 to 21 ms.
- FIG. 10 is a diagram showing a vibration waveform of the operation unit 102 by the drive signal S4 shown in FIG.
- FIG. 10 shows the vibration waveform of the operation unit 102 when the actuator 106 is driven by the drive signal S4 shown in FIG. 9, together with the signal waveform of the drive signal S4 and the displacement amount of the operation panel (operation unit 102).
- the vibration waveform V4 of the operation unit 102 first becomes the first at the start of the rising section P8 (when the voltage rise is steep).
- One vibration peak occurs, then a weak vibration peak occurs in the remaining section of the rising section P8 (when the voltage rise is gradual), and then at the end of the falling section P9 (when the voltage drop is steep).
- the maximum vibration peak will occur. That is, by presenting a weak vibration peak between the first vibration peak and the maximum vibration peak by the same drive signal S4, a time lag in the feel is generated, a movable friction feeling is given to the user, and a stroke feeling is given. Is generated.
- the input device 100 can present a stroke operation feeling to the operator.
- FIG. 11 is a diagram showing a signal waveform of the drive signal S5 according to the embodiment.
- the drive signal S5 shown in FIG. 11 is a fifth example of the drive signal supplied from the control unit 108 to the actuator 106 in the input device 100 according to the embodiment.
- the signal waveform of the drive signal S5 is a modification of the signal waveform of the drive signal S4 shown in FIG. 9, and the voltage value peaks between the rising section P10 and the falling section P12. It has a constant section P11 that is constant.
- the stroke operation feeling can be presented to the operator as in the case where the actuator 106 is driven by the drive signal S4 shown in FIG.
- the rising section P10 is shorter and the voltage value is constant at the peak as compared with the case where the actuator 106 is driven by the drive signal S4 shown in FIG.
- the exciting force generated by the actuator 106 becomes large, and the vibration and the displacement propagated to the vibrating portion 102 increase, so that the stroke operation feeling is more reliably presented to the operator. Can be done.
- the signal waveform of each drive signal is based on a triangular wave, but the present invention is not limited to this, and the signal waveform of each drive signal may be based on a sine wave. Also in this case, by providing the signal waveform of each drive signal (sine wave) with the same characteristic points as the signal waveform of each drive signal (triangle wave) described in the embodiment, the signal waveform of each drive signal (triangle wave) can be obtained. A similar effect can be achieved.
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Abstract
Description
変化する波形を呈する構成が開示されている。
図1は、一実施形態に係る入力装置100の構成を示すブロック図である。図1に示す入力装置100は、操作対象機器に対する入力操作を行うための入力装置(例えば、ゲーム機のコントローラ、車両用の入力装置等)として用いられる。入力装置100は、操作者による入力操作に応じて振動を発生することにより、擬似的な操作音および操作感を、操作者に呈示することが可能である。
図2は、従来のアクチュエータの駆動信号の一例を示す図である。図3は、図2に示す駆動信号の信号波形と、当該駆動信号による操作部の振動波形の一例を示す図である。図2に示すように、従来の駆動信号は、立ち上がり区間と立ち下がり区間とが対称である信号波形を有する。メタルスイッチを押圧した際に発生するクリック感触の呈示を行うために必要なアクチュエータの駆動は、この立ち上がり区間および立ち下がり区間の入力によってなされる。図3の振動波形に示すように、図2に示す駆動信号によってアクチュエータを駆動した場合、当該駆動信号の信号波形の立ち下がり区間の終了後も、操作部の固有振動周波数に依存する比較的大きな残留振動が発生する。この残留振動は、意図しない高周波数且つ高出力レベルの操作音を発生させてしまう。
図4は、一実施形態に係る駆動信号S1の信号波形を示す図である。図4に示す駆動信号S1は、一実施形態に係る入力装置100において、制御部108からアクチュエータ106へ供給される駆動信号の第1例である。図4に示すように、駆動信号S1は、三角波からなり、且つ、ピーク位置を境界として立ち上がり区間P1と立ち下がり区間P2とが非対称である信号波形を有する単一のパルス信号である。
図6は、一実施形態に係る駆動信号S2の信号波形を示す図である。図6に示す駆動信号S2は、一実施形態に係る入力装置100において、制御部108からアクチュエータ106へ供給される駆動信号の第2例である。図6に示す駆動信号S2は、三角波からなり、且つ、ピーク位置を境界として立ち上がり区間P3と立ち下がり区間P4とが非対称である信号波形を有する単一のパルス信号である。
図7は、一実施形態に係る駆動信号S3の信号波形を示す図である。図7に示す駆動信号S3は、一実施形態に係る入力装置100において、制御部108からアクチュエータ106へ供給される駆動信号の第3例である。図7に示すように、駆動信号S3は、三角波からなり、且つ、ピーク位置を境界として立ち上がり区間P6と立ち下がり区間P7とが非対称である信号波形を有する単一のパルス信号である。
図9は、一実施形態に係る駆動信号S4の信号波形を示す図である。図9に示す駆動信号S4は、一実施形態に係る入力装置100において、制御部108からアクチュエータ106へ供給される駆動信号の第4例である。図9に示すように、駆動信号S4は、三角波からなり、且つ、ピーク位置を境界として立ち上がり区間P8と立ち下がり区間P9とが非対称である信号波形を有する単一のパルス信号である。
図11は、一実施形態に係る駆動信号S5の信号波形を示す図である。図11に示す駆動信号S5は、一実施形態に係る入力装置100において、制御部108からアクチュエータ106へ供給される駆動信号の第5例である。図11に示すように、駆動信号S5の信号波形は、図9に示す駆動信号S4の信号波形を変形したものであり、立ち上がり区間P10と立ち下がり区間P12との間に、電圧値がピークで一定である一定区間P11を有する。
102 操作部
104 検出部
106 アクチュエータ
108 制御部
Claims (11)
- 操作者によって入力操作が行われる操作部と、
前記操作部に対する前記入力操作を検出する検出部と、
前記操作部に対して振動を付与するアクチュエータと、
前記検出部による検出結果に応じて、前記アクチュエータに対して駆動信号を供給する制御部と
を備え、
前記制御部は、
前記駆動信号として、三角波または正弦波からなり、且つ、ピーク位置を境界として立ち上がり区間と立ち下がり区間とが非対称である信号波形を有する単一のパルス信号を、前記アクチュエータへ供給する
ことを特徴とする入力装置。 - 前記駆動信号の前記信号波形は、
前記立ち上がり区間よりも、前記立ち下がり区間が長い
ことを特徴とする請求項1に記載の入力装置。 - 前記アクチュエータは、
ピエゾ素子であり、
前記駆動信号の前記信号波形は、
前記立ち下がり区間において負電圧まで到達する
ことを特徴とする請求項2に記載の入力装置。 - 前記駆動信号の前記信号波形は、
前記立ち下がり区間において負電圧のピークに到達後、初期電圧まで復帰するまでの復帰区間を有し、
前記復帰区間は、
前記立ち下がり区間よりも電圧変動率が低い
ことを特徴とする請求項3に記載の入力装置。 - 前記復帰区間は、
前記操作部の固有振動周波数に依存する残留振動が収束するまでの期間よりも長い
ことを特徴とする請求項4に記載の入力装置。 - 前記制御部は、
前記非対称である信号波形を有する前記駆動信号を前記アクチュエータへ供給することにより、前記操作部の固有振動周波数に依存する残留振動の発生量を制御する
ことを特徴とする請求項1から5のいずれか一項に記載の入力装置。 - 前記駆動信号の前記信号波形は、
前記立ち上がり区間よりも、前記立ち下がり区間が短い
ことを特徴とする請求項1に記載の入力装置。 - 前記固有振動周波数が1kHz以下である
ことを特徴とする請求項7に記載の入力装置。 - 前記駆動信号の前記信号波形は、
前記立ち上がり区間の電圧上昇が、急峻から徐々に緩やかになるように変化する
ことを特徴とする請求項7に記載の入力装置。 - 前記駆動信号の前記信号波形の周期が7~21msecである
ことを特徴とする請求項9に記載の入力装置。 - 前記駆動信号の前記信号波形は、
前記立ち上がり区間と前記立ち下がり区間との間に、電圧値がピークで一定である一定区間を有する
ことを特徴とする請求項9に記載の入力装置。
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DE112021004596.2T DE112021004596T5 (de) | 2020-08-31 | 2021-05-21 | Eingabevorrichtung |
JP2022545315A JP7474339B2 (ja) | 2020-08-31 | 2021-05-21 | 入力装置 |
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Citations (5)
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JP2004192412A (ja) * | 2002-12-12 | 2004-07-08 | Sony Corp | 入力装置、携帯型情報処理装置、リモートコントロール装置、および入力装置における圧電アクチュエータ駆動制御方法 |
JP2013144273A (ja) * | 2012-01-13 | 2013-07-25 | Taiheiyo Cement Corp | 圧電アクチュエータの駆動回路 |
JP2015011376A (ja) * | 2013-06-26 | 2015-01-19 | 株式会社日本自動車部品総合研究所 | 操作入力装置 |
US9369127B1 (en) * | 2011-01-07 | 2016-06-14 | Maxim Integrated Products, Inc. | Method and apparatus for generating piezoelectric transducer excitation waveforms using a boost converter |
JP2020062647A (ja) * | 2016-04-19 | 2020-04-23 | 日本電信電話株式会社 | 擬似力覚発生装置 |
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JP2006079136A (ja) | 2004-09-06 | 2006-03-23 | Fujitsu Component Ltd | 触覚提示装置 |
JP2008123429A (ja) | 2006-11-15 | 2008-05-29 | Sony Corp | タッチパネルディスプレイ装置および電子機器並びに遊技機器 |
US8633916B2 (en) | 2009-12-10 | 2014-01-21 | Apple, Inc. | Touch pad with force sensors and actuator feedback |
JP7448913B2 (ja) | 2019-03-08 | 2024-03-13 | 沖電開発株式会社 | サンゴの産卵誘導方法及び装置 |
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JP2004192412A (ja) * | 2002-12-12 | 2004-07-08 | Sony Corp | 入力装置、携帯型情報処理装置、リモートコントロール装置、および入力装置における圧電アクチュエータ駆動制御方法 |
US9369127B1 (en) * | 2011-01-07 | 2016-06-14 | Maxim Integrated Products, Inc. | Method and apparatus for generating piezoelectric transducer excitation waveforms using a boost converter |
JP2013144273A (ja) * | 2012-01-13 | 2013-07-25 | Taiheiyo Cement Corp | 圧電アクチュエータの駆動回路 |
JP2015011376A (ja) * | 2013-06-26 | 2015-01-19 | 株式会社日本自動車部品総合研究所 | 操作入力装置 |
JP2020062647A (ja) * | 2016-04-19 | 2020-04-23 | 日本電信電話株式会社 | 擬似力覚発生装置 |
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DE112021004596T5 (de) | 2023-07-20 |
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