WO2015119237A1 - Dispositif électronique et programme de commande - Google Patents

Dispositif électronique et programme de commande Download PDF

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Publication number
WO2015119237A1
WO2015119237A1 PCT/JP2015/053360 JP2015053360W WO2015119237A1 WO 2015119237 A1 WO2015119237 A1 WO 2015119237A1 JP 2015053360 W JP2015053360 W JP 2015053360W WO 2015119237 A1 WO2015119237 A1 WO 2015119237A1
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WIPO (PCT)
Prior art keywords
vibration
vibrator
frequency
localization
control unit
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PCT/JP2015/053360
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English (en)
Japanese (ja)
Inventor
武昭 杉村
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株式会社ニコン
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Publication of WO2015119237A1 publication Critical patent/WO2015119237A1/fr

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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

Definitions

  • the present invention relates to an electronic device and a control program. This application claims priority based on Japanese Patent Application No. 2014-021986 for which it applied on February 7, 2014, and uses the content here.
  • a portable navigation device that supports navigation when a user moves while the user holds the casing is known (for example, see Patent Document 1).
  • This portable navigation device arranges at least three active elements that generate vibrations at different positions and controls the vibration intensity of the active elements, so that a user holding the apparatus with his / her palm can feel as if only a single vibration element is present. Is recognized (vibration occurs at a predetermined position).
  • aspects of the present invention provide an electronic device and a control program that can express a trajectory of vibration movement with emphasis.
  • One aspect of the present invention includes first and second vibrators that generate vibrations, and a vibration control unit that controls vibrations of the first and second vibrators.
  • the first vibrator is vibrated at the first frequency so that the vibration amplitude gradually decreases
  • the second vibrator is vibrated at the second frequency so that the vibration amplitude gradually increases.
  • the electronic device is characterized in that
  • a computer of an electronic device including first and second vibrators that generate vibrations and a vibration control unit that controls vibrations of the first and second vibrators is provided in a predetermined manner.
  • the first vibrator is vibrated at the first frequency so that the vibration amplitude gradually decreases
  • the second vibrator is vibrated at the second frequency so that the vibration amplitude gradually increases. It is a control program for performing the control step to be performed.
  • FIG. 1 is a schematic diagram illustrating an example of an external configuration of an electronic apparatus 1 according to the first embodiment of the present invention.
  • FIG. 2 is a configuration diagram illustrating an example of a functional configuration of the electronic apparatus 1 according to the present embodiment.
  • the electronic device 1 has, for example, a substantially rectangular shape when viewed in the Z direction, and has a configuration in which the touch panel 10, the main body 20, and the back cover 30 are stacked in the Z direction.
  • FIG. 1A shows an external configuration of the electronic device 1 as viewed from the touch panel 10 side.
  • FIG. 1B illustrates an external configuration of the electronic device as viewed from the back cover 30 side.
  • the shape of the electronic device 1 shown in FIG. 1 is an example, and is not limited to this.
  • the electronic device 1 may be a wearable device having a shape that matches the shape of a part of a human body. More specifically, the electronic device 1 may be a device having a helmet shape that matches the shape of a human head.
  • the configuration of the electronic apparatus 1 will be described using an XYZ orthogonal coordinate system.
  • the stacking direction of each component of the electronic device 1 is defined as the Z direction.
  • a plane orthogonal to the Z direction is defined as an XY plane, and directions orthogonal to the XY plane are defined as an X direction and a Y direction, respectively.
  • the touch panel 10 displays an image input from the control unit 90 accommodated in the main body unit 20, detects a position (coordinates) where the user touches the surface with a finger or the like, and outputs the detected position (coordinates) to the control unit 90.
  • the user is a user of the electronic device 1.
  • the touch panel 10 is configured by combining, for example, a liquid crystal display device that displays an image and a contact detection mechanism.
  • Various contact detection mechanisms can be used.
  • a contact detection mechanism using various systems such as a resistive film system, a capacitance system, an infrared system, and a surface acoustic wave system can be employed.
  • the touch panel 10 may be an organic EL (Electroluminescence) display device or the like instead of a liquid crystal display (LCD).
  • the main body 20 includes an imaging unit (camera) 40, a communication unit 50, an I / O unit 52 (I / O port, I / O interface), a storage unit 60, a speaker 70, and an acceleration sensor shown in FIG. 75, the vibration generating unit 80, the control unit 90, and the like are accommodated.
  • the main body 20 may house a power supply circuit, a battery, a GPS (Global Positioning System) receiver, and the like in a casing.
  • a hole 32 is formed in the back cover 30 to expose the lens 42 of the imaging unit 40.
  • the back cover 30 is attached with a mount 35 on which various operation switches such as a release button for operating the imaging unit 40 can be mounted.
  • the imaging unit 40 is a digital camera using a solid-state imaging device such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor). Note that the imaging unit 40 may be a video camera.
  • a solid-state imaging device such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor). Note that the imaging unit 40 may be a video camera.
  • the communication unit 50 performs wireless communication using a wireless LAN network such as Wi-Fi (registered trademark), Bluetooth (registered trademark), infrared communication, a mobile phone network, a PHS network, or the like.
  • the communication unit 50 may include a network card that functions as a communication interface when the electronic device is connected by wire.
  • the I / O unit 52 includes, for example, a USB (Universal Serial Bus) terminal, an HDMI (registered trademark) (High Definition Multimedia Interface) terminal, a terminal to which an SD card or the like is mounted.
  • Speaker 70 outputs sound based on the sound data generated by control unit 90.
  • the acceleration sensor 75 is, for example, a three-axis acceleration sensor, detects accelerations (including gravitational acceleration) that act on the electronic device 1 in the X direction, the Y direction, and the Z direction, respectively, and detects the detection results by the control unit 90. Output to.
  • the electronic device 1 only needs to reproduce vibrations, and may not include the imaging unit 40, the communication unit 50, the I / O unit 52, the speaker 70, and the acceleration sensor 75.
  • the vibration generator 80 generates vibration based on the drive signal generated by the controller 90.
  • the vibration generating unit 80 includes a plurality of vibrators as shown in FIG.
  • FIG. 3 is a partial perspective view illustrating the arrangement positions of the vibrators included in the vibration generating unit 80 of the present embodiment.
  • the vibration generation unit 80 includes, for example, vibrators 80 (1), 80 (2), 80 (3), 80 ( 4). These vibrators are attached to the housing or support member of the main body 20 or the back cover 30.
  • a voice coil motor VCM
  • an eccentric motor is used as the vibrator.
  • the vibrator When the voice coil motor is used, the vibrator generates, for example, vibration in the Z direction with respect to a part or the whole of the electronic device 1.
  • the vibration generating unit 80 may include a vibrator in the vicinity of two corners located diagonally of the electronic device 1 or may include a vibrator at other positions. Further, the number of vibrators is not limited to four as shown in FIG. 3, and it is sufficient that two or more vibrators are provided.
  • the mode of vibration generated by the vibration generator 80 can be changed by changing factors such as amplitude, frequency, phase, and duty.
  • the control unit 90 controls the entire electronic device 1 including the vibration generating unit 80.
  • the control unit 90 includes a vibration control unit (not shown) as the functional unit.
  • the vibration control unit controls the vibration of the vibration generating unit 80 by outputting a vibration signal to the vibration generating unit 80.
  • the control performed by the vibration control unit will be described as control performed by the control unit 90.
  • the storage unit 60 is a storage device such as a flash memory, HDD (Hard Disk Drive), RAM (Random Access Memory), ROM (Read Only Memory), and registers.
  • a program (firmware) executed by a CPU (Central Processing Unit) of the control unit 90 is stored in advance.
  • the storage unit 60 stores a calculation result obtained by the CPU performing a calculation process.
  • the storage unit 60 stores content data received from another apparatus via the communication unit 50, content data read from a device attached to the I / O unit 52, and the like.
  • the storage unit 60 corresponds to, for example, the image data 62 as information for the control unit 90 to control the vibration generating unit 80 in addition to the image data 62 that is the original data of the image displayed on the touch panel 10.
  • the attached localization data 64 is stored. The localization data 64 will be described with reference to FIG.
  • FIG. 4 is a diagram illustrating the relationship between the image data 62 and the localization data 64 stored in the storage unit 60 of the present embodiment.
  • the localization data 64 for example, for each moving image included in the image data 62, a period in which the localization vibration is generated, the coordinates of the vibration localization, and data related to the reference amplitude are associated with each other.
  • moving image data is held as the image data 62, but still image data may be held as the image data 62.
  • the localization data 64 may not be associated with the image data 62.
  • the control unit 90 may generate the localization data 64 in real time.
  • the vibration localization is a position where the user wants to feel that vibration is occurring in a state where the electronic device 1 is held by the palm P of the user.
  • the vibration localization is a position recognized as a position where vibration is generated by a user holding the electronic device 1.
  • this vibration localization is also referred to as vibration localization.
  • the control unit 90 controls the vibration localization based on the localization data 64.
  • controlling vibration localization is also referred to as localization of vibration.
  • controlling the vibration localization means that the control unit 90 controls the vibration mode of each vibrator so that the vibration is localized at a certain coordinate in a space where the user wants to feel that the vibration is occurring. Is to control.
  • a mechanism in which the control unit 90 localizes vibration based on the localization data will be described.
  • FIG. 5 is a schematic diagram illustrating an example of vibration localization controlled by the electronic apparatus 1 of the present embodiment.
  • the position Pv ⁇ b> 0 is a position where the user wants to feel that vibration is occurring in a state where the electronic device 1 is held by the user's palm P with the touch panel 10 facing upward.
  • the control unit 90 can make the user feel that vibration is occurring at the position Pv0 by controlling the vibration localization.
  • the effect that allows the user to feel that the vibration is generated at the position where the vibrator is not arranged is referred to as a sense of localization.
  • a sense of orientation is phantom sensation, that is, a specific position between two or more positions when two or more positions on the user's skin are vibrated (stimulated) at the same time.
  • the user feels as if the vibration is localized.
  • the control unit 90 controls the vibrators 80 (1) to 80 (4) so that the position of the center of gravity obtained by weighting the positions of the vibrators 80 (1) to 80 (4) with the vibration intensity matches the position Pv0. ).
  • the intensity of vibration means amplitude, frequency, etc., or a combination thereof, and hereinafter, it is assumed to be amplitude.
  • each vibrator is attached to the back cover 30, for example, vibration is easily transmitted to the user's palm P by being held by the user's palm P in the state shown in FIG.
  • FIG. 6 is a schematic diagram illustrating an example of a combination of amplitudes of the vibrators of the present embodiment.
  • FIG. 6 illustrates a combination of amplitudes of the transducers 80 (1) to 80 (4) in which the center of gravity weighted with the amplitude coincides with the position Pv0.
  • the amplitude when the vibrator is not vibrating is 0 (zero) ⁇ K, and the amplitude of the maximum vibration that can be generated by the vibrator is 1 ⁇ K. This K is a reference amplitude.
  • control unit 90 vibrates the vibrator 80 (1) with an amplitude of 0.45 ⁇ K, vibrates the vibrator 80 (3) with an amplitude of 0.55 ⁇ K, and vibrates the vibrator 80 (4).
  • control state 1 the user holding the electronic apparatus 1 in the state of FIG. 5 may feel that vibration is occurring in the vicinity of the position Pv0. it can.
  • the vibrator 80 (2) is not vibrated (amplitude 0 ⁇ K).
  • Expression (1) represents the addition or subtraction of each vibration of the vibrator 80 (1) to the vibrator 80 (4) in the X direction component.
  • Expression (2) represents the addition or subtraction of each vibration of the vibrator 80 (1) to the vibrator 80 (4) in the Y direction component.
  • the term to which the vibrator 80 (1) contributes is (+ 0.9 ⁇ 0.45 ⁇ K)
  • the term to which the vibrator 80 (3) contributes is (+ 0.9 ⁇ 0.55 ⁇ K
  • the term to which the vibrator 80 (4) contributes is ( ⁇ 0.9 ⁇ 1 ⁇ K).
  • the term to which the vibrator 80 (1) contributes is (+ 0.9 ⁇ 0.45 ⁇ K)
  • the term to which the vibrator 80 (3) contributes is ( ⁇ 0.9 ⁇ 0.55 ⁇ K)
  • the term to which the vibrator 80 (4) contributes is ( ⁇ 0.9 ⁇ 1 ⁇ K).
  • control unit 90 vibrates the vibrator 80 (2) with an amplitude of 0.45 ⁇ K and vibrates the vibrator 80 (3) with an amplitude of 1 ⁇ K.
  • (4) may be vibrated with an amplitude of 0.55 ⁇ K (control state 2).
  • control unit 90 vibrates the vibrator 80 (1) and the vibrator 80 (2) with an amplitude of 0.22 ⁇ K, and causes the vibrator 80 (3) and the vibrator 80 (4) to have an amplitude of 0.78 ⁇ You may vibrate with K (control state 3).
  • the control unit 90 causes the user to vibrate at the position Pv0 by selecting an arbitrary control state. You can make them feel.
  • the numerical values such as 0.45, 0.55, 1, 0.22, and 0.78 described above are merely examples, and the control unit 90 sets an arbitrary numerical value as long as the center of gravity can be matched with the position Pv0. can do.
  • FIG. 7 is a schematic diagram illustrating an example of a locus of vibration localization movement controlled by the electronic apparatus 1 of the present embodiment.
  • the control unit 90 performs control to move the vibration localization by changing the amplitude of each vibrator based on the localization data as time passes.
  • the locus LC1 is a part of a line segment connecting the vibrator 80 (1) and the vibrator 80 (4).
  • the vibrator 80 (1) is a vibration source movement source vibrator
  • the vibrator 80 (4) is a vibration position movement destination vibrator.
  • the control unit 90 first localizes the vibration at the position Pv1. At this time, similarly to the case where the vibration is localized at the position Pv0 described above, the control unit 90 controls the vibration mode of each vibrator based on the localization data to localize the vibration at the position Pv1. Specifically, the control unit 90 stops the vibration of the vibrator 80 (2) and the vibrator 80 (3), and the vibration amplitude of the vibrator 80 (1) and the vibration of the vibrator 80 (4). And the vibration is localized at the position Pv1.
  • the control unit 90 stops the output of the drive signal output from the control unit 90 to the vibrator. Further, the control unit 90 may stop the vibration of the vibrator by outputting a drive signal in which the vibrator has an amplitude of 0 (zero).
  • control unit 90 vibrates the vibrator 80 (1) and the vibrator 80 (4) by setting the vibration amplitude of the vibrator 80 (1) to an amplitude larger than the amplitude of the vibrator 80 (4).
  • the control unit 90 can localize the vibration to an arbitrary coordinate on the locus LC1 by changing the ratio between the amplitude of the vibration of the vibrator 80 (1) and the amplitude of the vibrator 80 (4). it can.
  • the control unit 90 causes the vibrator 80 (1) to vibrate by setting the vibration amplitude of the vibrator 80 (1) to a certain amplitude within the range of 0 to 1 ⁇ K.
  • control unit 90 sets the vibrator 80 (4) to an amplitude smaller than the amplitude of the vibrator 80 (1) within the range of 0 to 1 ⁇ K. Vibrate. That is, the control unit 90 vibrates at least two vibrators selected based on the locus of movement of the vibration localization. Thereby, the vibration is localized at the position Pv1.
  • the control unit 90 controls the vibration mode of each vibrator so that the vibration localization moves from the position Pv1 to the position Pv2. Specifically, the control unit 90 gradually increases the amplitude of the vibrator 80 (4) while gradually decreasing the amplitude of vibration of the vibrator 80 (1) as time passes. As a result, the ratio between the amplitude of the vibration of the vibrator 80 (1) and the amplitude of the vibrator 80 (4) changes, and the vibration localization moves from the position Pv1 to the position Pv2.
  • the control unit 90 of the present embodiment controls the vibration frequency in addition to the vibration amplitude of each vibrator. An example of the vibration waveform of the vibrator controlled by the control unit 90 will be described with reference to FIG.
  • FIG. 8 is a graph showing an example of the waveform of the drive signal output by the control unit 90 of the present embodiment.
  • the horizontal axis indicates the time t
  • the vertical axis indicates the amplitude A of the vibration of the vibrator.
  • the control unit 90 when the vibration localization is moved from the position Pv1 to the position Pv2, the control unit 90 outputs a drive signal having a waveform W1A shown in FIG. 8A to the vibrator 80 (4).
  • the control unit 90 outputs a drive signal having a waveform W1B shown in FIG. 8B to the vibrator 80 (1).
  • the time from time t1 to time t4 is 200 [ms] as an example.
  • the waveform W1A and the waveform W1B may be stored in advance in the storage unit 60 as the localization data 64, or may be generated by calculation of the control unit 90.
  • This waveform W1A is an example of a drive signal whose amplitude gradually increases as time t passes, as indicated by the envelope Env1A of the amplitude of the waveform W1A.
  • the waveform W1B is an example of a drive signal whose amplitude gradually decreases as time t passes, as indicated by the envelope Env1B of the amplitude of the waveform W1B.
  • the controller 90 gradually decreases the amplitude of vibration of the vibrator 80 (1) by supplying the drive signal having the waveform W1B to the vibrator 80 (1). Further, the controller 90 gradually increases the amplitude of the vibration of the vibrator 80 (4) by supplying the drive signal having the waveform W1A to the vibrator 80 (4). Thereby, the control unit 90 moves the vibration localization from the position Pv1 to the position Pv2 along the locus LC1.
  • the control unit 90 vibrates the vibrator 80 (1) at the first frequency f1, and vibrates the vibrator 80 (4) at the second frequency f2 different from the first frequency f1.
  • the frequency of the waveform W1A is lower than the frequency of the waveform W1B. More specifically, the frequency of the waveform W1A is 50 [Hz], and the frequency of the waveform W1B is 200 [Hz].
  • the frequency of the waveform W1B is also referred to as a first frequency f1 as a reference frequency for comparison.
  • the frequency of the waveform W1A is also referred to as the second frequency f2.
  • the first frequency f1 is 200 [Hz]
  • the second frequency f2 is 50 [Hz] lower than the first frequency f1. That is, the control unit 90 vibrates the vibrator 80 (1) at the first frequency f1, and vibrates the vibrator 80 (4) at the second frequency f2 that is lower than the first frequency f1.
  • the vibrator 80 (1) is an example of a vibrator selected from a plurality of vibrators as a vibrator indicating the movement source side of the locus of movement of vibration localization.
  • the vibrator 80 (4) is an example of a vibrator selected from a plurality of vibrators as a vibrator indicating the movement destination side of the locus of movement of vibration localization.
  • control unit 90 vibrates the vibrator 80 (1) selected from the plurality of vibrators as the vibrator indicating the movement source side of the vibration localization movement locus at the first frequency f1.
  • control unit 90 sets the vibrator 80 (4) selected from the plurality of vibrators as the vibrator indicating the movement destination side of the vibration localization movement locus to the second frequency f2 lower than the first frequency f1. Vibrate by.
  • the control unit 90 vibrates each vibrator so that a high frequency component increases in the movement source of the vibration localization locus LC1 (for example, in the vicinity of the position Pv1).
  • the control unit 90 vibrates each vibrator so that a low frequency component is increased at the destination of the vibration localization locus LC1 (for example, near the position Pv2).
  • a relatively high frequency component is also referred to as a “high frequency component”
  • a relatively low frequency component is also referred to as a “low frequency component”.
  • the control unit 90 lowers the vibration frequency at the movement destination lower than the vibration frequency at the movement source.
  • the electronic device 1 can give a strong impression to the user as if some object has moved along the locus LC1 of movement of the vibration localization.
  • the strong impression given by the electronic device 1 includes an impression that the electronic device 1 itself is moving toward the movement path LC1 of the vibration localization, that is, the movement direction of the vibration localization.
  • the strong impression given by the electronic device 1 includes an impression that the reverberation of the movement of the vibration localization occurs after the movement of the vibration localization stops.
  • the vibration-destination moving destination vibrator vibrates at a lower frequency than the movement-source vibrator, thereby enhancing the impression of the vibration localization moving destination.
  • the frequency of the waveform W1A is 50 [Hz] and the frequency of the waveform W1B is 200 [Hz]. However, if the frequency of the waveform W1A is lower than the frequency of the waveform W1B. Well, it is not limited to this number.
  • the frequency characteristics when various sensory receptors present on the user's skin receive vibration as a whole of these sensory receptors are approximately 0.3 to 1000 [Hz].
  • these sensory receptors as a sensory receptor that receives a stimulus that causes the above-described phantom sensation, there is a Patini body.
  • the frequency characteristic when the Patinny body receives vibration is about 30 to 1000 [Hz]. Therefore, the vibration frequency of each vibrator for generating phantom sensation is preferably about 40 to 1000 [Hz].
  • the frequency at which the user's skin can perceive the vibration generated by the vibrator as a vibration is about 300 [Hz] or less. Therefore, it is preferable that the vibration frequency of each vibrator for impressing the movement of the vibration localization is about 30 to 300 [Hz].
  • the frequency ratio between the second frequency f2 which is a low frequency and the first frequency f1 which is a high frequency is about 1: 2 to 1: 4, the movement of vibration localization is strongly increased. You can make an impression.
  • the second frequency f2 is 50 [Hz]
  • the first frequency f1 is preferably about 30 to 150 [Hz]
  • the second frequency f2 is preferably about 60 to 300 [Hz].
  • control unit 90 supplies the drive signal having the waveform W1B illustrated in FIG. 8B to the vibrator 80 (1) with the passage of time t, so that the vibration of the vibrator 80 (1) can be reduced. Decrease the amplitude.
  • the controller 90 supplies the drive signal having the waveform W1A shown in FIG. 8A to the vibrator 80 (4), thereby gradually increasing the vibration amplitude of the vibrator 80 (4). . That is, the control unit 90 gradually decreases the high frequency component due to the vibration of the vibrator 80 (1) and gradually increases the low frequency component due to the vibration of the vibrator 80 (4) as the vibration localization moves. Each vibrator is vibrated. As a result, the vibration amplitude ratio of the vibrator 80 (1) and the vibration amplitude ratio of the vibrator 80 (4) are smoothly switched as time t passes. Therefore, the user can feel as if the vibration localization is moving smoothly.
  • the envelopes of the drive signal for driving the vibrator are expressed by various functions. be able to.
  • the envelope of the drive signal whose amplitude gradually increases in this example, the envelope Env1A
  • the envelope Env1A may be a curve (that is, a straight line) represented by a linear function, and may be represented by a quadratic function, an exponential function, or the like. It may be a curved line.
  • the envelope may change stepwise as long as the user does not feel uncomfortable.
  • the envelope may be a curve represented by a linear function, a quadratic function, an exponential function, etc.
  • the envelope may change stepwise.
  • the controller 90 can change the impression of the movement of the vibration localization felt by the user by variously deforming the envelope. Further, the control unit 90 controls the image displayed on the touch panel 10 in association with the function representing the drive signal, thereby changing the vibration localization movement impression felt by the user according to the content of the image. Can do.
  • the control unit 90 controls the amplitude and vibration frequency of a vibrator that is selected in advance based on the vibration localization locus, but the present invention is not limited to this.
  • the control unit 90 may include a selection unit that selects a transducer to be controlled as its function unit.
  • the selection unit selects one vibrator and the other vibrator from a plurality of vibrators based on the movement locus of the vibration localization.
  • the selection unit uses the vibrator 80 (1) as the vibrator indicating the movement source side of the vibration localization movement locus. select.
  • the selection unit selects the vibrator 80 (4) as the vibrator indicating the movement destination side of the locus of movement of the vibration localization.
  • the vibration localization is moved along the locus LC2 shown in FIG. 10
  • all the vibrators that is, the vibrators indicating the movement source side of the movement locus of the vibration localization
  • the vibrators 80 (1) to (4) are selected.
  • the selection unit selects all the vibrators, that is, the vibrators 80 (1) to (4) as the vibrators indicating the movement destination side of the locus of movement of the vibration localization.
  • the electronic device 1 includes the selection unit, and thus can control the vibration localization even when the vibrator to be controlled is not determined in advance.
  • FIG. 9 is a flowchart illustrating an example of a flow of processing executed by the control unit 90 of the present embodiment. The process of the flowchart in FIG. 9 is repeatedly executed while a moving image associated with the localization data 64 is being reproduced, for example.
  • control unit 90 reads the localization data 64 from the storage unit 60 (step S10).
  • control unit 90 refers to the read localization data 64 and determines whether or not it is within a period in which localization vibration is generated (step S20). If the control unit 90 determines that it is not within the period for generating the localized vibration (step S20: NO), it ends one routine of the flowchart of FIG. In addition, when the control unit 90 determines that it is within the period in which the localization vibration is generated (step S20: YES), the process proceeds to step S30.
  • the control unit 90 selects a transducer to be controlled based on the localization data 64 read in step S10 (selection step). Further, the control unit 90 calculates the vibration frequency, the locus of vibration localization, the envelope of the amplitude, that is, the parameter of the drive signal, based on the localization data 64 (parameter calculation step). . Specifically, the control unit 90 calculates a high frequency vibration frequency (first vibration frequency) and a low frequency vibration frequency (second vibration frequency) based on the localization data 64 (step) S30). As an example, the control unit 90 calculates the vibration frequency of each vibrator by setting the first frequency f1 in the range of 100 to 200 [Hz] and the second frequency f2 in the range of 60 to 300 [Hz]. To do. Further, as an example, the control unit 90 sets the vibration frequency of each vibrator so that the frequency ratio between the second frequency f2 and the first frequency f1 is 1: 2 to 1: 4. calculate.
  • control unit 90 calculates a start position (start coordinate) and an end position (end coordinate) of the trajectory of vibration localization based on the localization data 64 (step S40).
  • the control unit 90 also determines the amplitude envelope of each transducer based on the start position (start coordinates), end position (end coordinates) calculated in step S40, and information indicating the moving speed of the vibration localization. (Envelope) is calculated (step S50).
  • the information indicating the movement speed of the vibration localization is information indicating the speed or time when the vibration localization moves from the start position (start coordinates) to the end position (end coordinates).
  • the information indicating the movement speed of the vibration localization may be included in the localization data 64, or the control unit 90 may generate the information based on the image data 62 or the like.
  • Step S60 the control unit 90 generates a drive signal for each transducer based on the parameters of the drive signal calculated in steps S30 to S50 (step S60), and outputs the generated drive signal to each transducer.
  • Step S70 Steps S60 and S70 are an example of a vibration control step.
  • control unit 90 determines whether or not the vibration localization has reached the end position (end coordinate) (step S80). When it is determined that the vibration localization has not reached the end position (end coordinate) (step S80: NO), the control unit 90 returns the process to step S70 and continues outputting the drive signal. Further, when it is determined that the vibration localization has reached the end position (end coordinate) (step S80: YES), the control unit 90 ends one routine of the flowchart of FIG.
  • the vibrator 80 (1) is located at a predetermined position that the user wants to feel that vibration is occurring.
  • To 80 (4) are vibrated so that the position of the center of gravity obtained by weighting the positions of 80 to (4) with the intensity of vibration matches a predetermined position. Therefore, it is possible to make the user feel that vibration is occurring at a predetermined position, and to provide the user with a high level of realism.
  • the vibrator 80 (1) is vibrated at the first frequency f1, and the vibrator 80 (4) is second frequency f2 different from the first frequency f1. Vibrate with.
  • the electronic device 1 or the like it is possible to give a strong impression to the user as if any object has moved along the locus LC1 of vibration localization movement.
  • the vibration localization is controlled by changing the amplitudes of the two vibrators when moving the vibration localization from the position Pv1 to the position Pv2 has been described.
  • the controller 90 may control the vibration localization by simultaneously changing the amplitudes of the three or four vibrators.
  • trajectory of a vibration localization is shown in FIG. 10 and FIG.
  • FIG. 10 is a schematic diagram showing a first modified example of the locus of vibration localization controlled by the control unit 90 of the present embodiment.
  • the control unit 90 may control the vibration localization by moving the vibration localization along the movement locus LC2 from the position Pv3 to the position Pv4.
  • the trajectory LC2 is a vibration localization trajectory in which the position Pv3 located between the vibrator 80 (1) and the vibrator 80 (2) is the start position of movement in the X direction.
  • the locus LC2 is a locus of vibration localization in which the position Pv4 between the transducer 80 (3) and the transducer 80 (4) is the end position of the movement in the X direction.
  • the control unit 90 controls the amplitudes of all four vibrators to localize the vibration at the position Pv3 or the position Pv4. As described above, the control unit 90 may localize the vibration at an arbitrary position by controlling the amplitudes of the plurality of vibrators.
  • the electronic device 1 can give the user an impression that the electronic device 1 moves in the ⁇ Y direction by moving the vibration localization along the locus LC2. At this time, when the user holds the ⁇ Y direction in the direction of gravity (vertically downward), the electronic device 1 gives an impression that the electronic device 1 itself is pulled in the direction of gravity. Can be given to.
  • FIG. 11 is a schematic diagram showing a second modified example of the locus of vibration localization controlled by the control unit 90 of the present embodiment.
  • the control unit 90 moves the vibration localization along the locus LC3-1 from a certain position to the position Pv5, and further moves the vibration localization along the locus LC3-2 from the position Pv5 to the position Pv6.
  • the vibration localization may be controlled. That is, the control unit 90 can control the vibration localization not only by designating the position (coordinates) of the vibration localization but also by designating the locus of the vibration localization. Further, the control unit 90 can control the vibration localization not only by making the locus of vibration localization a straight line but also by making an arbitrary curve.
  • FIG. 12 is a schematic diagram showing a locus of vibration localization controlled by the control unit 90 according to the second embodiment of the present invention.
  • the control unit 90 controls the vibration localization by moving the vibration localization along the locus LC4 from the position Pv7 to the position Pv8.
  • the position Pv7 and the position Pv8 are positions where the coordinates in the Z direction are different. That is, the control unit 90 controls the vibration localization in the XYZ space.
  • the position Pv7 is a position on the back side ( ⁇ Z direction) of the touch panel 10 of the electronic device 1.
  • the position Pv8 is a position on the near side (+ Z direction) of the touch panel 10 of the electronic device 1.
  • the control unit 90 according to the present embodiment can control the vibration localization even when the locus of movement of the vibration localization is the back and front directions of the electronic device 1.
  • the vibrator showing the back side of the locus of movement of the vibration localization and the vibrator showing the near side of the locus of movement of the vibration localization in this specific example will be described.
  • the position Pv7 is located in the ⁇ Z direction (back side) with respect to the position Pv8. That is, the position Pv7 is a position on the far side of the locus LC4 of vibration localization movement.
  • the position Pv7 is closer to the vibrator 80 (1) and the vibrator 80 (2) than the position Pv8.
  • the contribution ratio of the amplitude of the vibrator 80 (1) and the vibrator 80 (2) is the contribution of the amplitude of the vibrator 80 (3) and the vibrator 80 (4). Greater than rate.
  • the vibrator 80 (1) and the vibrator 80 (2) are vibrators that indicate the back side of the locus of movement of vibration localization.
  • the position Pv8 is located in the + Z direction (front side) with respect to the position Pv7. That is, the position Pv8 is a position on the near side of the locus LC4 of vibration localization movement.
  • the position Pv8 is closer to the vibrator 80 (3) and the vibrator 80 (4) than the position Pv7. Therefore, when the vibration is localized at the position Pv8, the contribution ratio of the amplitude of the vibrator 80 (3) and the vibrator 80 (4) is the contribution of the amplitude of the vibrator 80 (1) and the vibrator 80 (2). Greater than rate.
  • the vibrator 80 (3) and the vibrator 80 (4) are vibrators that indicate the near side of the locus of movement of vibration localization.
  • FIG. 13 is a graph showing an example of the waveform of the drive signal output by the control unit 90 of the present embodiment.
  • the horizontal axis indicates time t
  • the vertical axis indicates the amplitude A of the vibration of the vibrator.
  • the control unit 90 transmits the drive signal of the waveform W2A shown in FIG. 13A to the vibrator 80 (3) and the vibrator 80 (4). Output to.
  • the control unit 90 outputs a drive signal having a waveform W2B shown in FIG. 13B to the vibrator 80 (1) and the vibrator 80 (2).
  • the time from time t1 to time t5 is, for example, 2000 [ms].
  • the waveform W2A and the waveform W2B may be stored in advance in the storage unit 60 as the localization data 64, or may be generated by calculation of the control unit 90.
  • This waveform W2A is an example of a drive signal whose amplitude gradually increases as time t passes, as indicated by the envelope Env2A of the amplitude of the waveform W2A.
  • the waveform W2B is an example of a drive signal whose amplitude gradually decreases as time t passes, as indicated by the envelope Env2B of the amplitude of the waveform W2B.
  • the controller 90 supplies the drive signal having the waveform W2B to the vibrator 80 (1) and the vibrator 80 (2), thereby gradually reducing the amplitude of vibration of these vibrators. Further, the control unit 90 supplies the drive signal having the waveform W2A to the vibrator 80 (3) and the vibrator 80 (4), thereby gradually reducing the amplitude of vibration of these vibrators.
  • the controller 90 vibrates the vibrator 80 (1) and the vibrator 80 (2) at the first frequency f1, and the vibrator 80 (3) and the vibrator 80 (4) have the first frequency f1. Vibrates at a different third frequency f3.
  • the frequency of the waveform W2A is higher than the frequency of the waveform W2B.
  • the frequency of the waveform W2A is 100 [Hz]
  • the frequency of the waveform W2B is 50 [Hz].
  • the frequency of the waveform W2B is also referred to as a first frequency f1 as a reference frequency for comparison.
  • the frequency of the waveform W2A is also referred to as a third frequency f3.
  • the first frequency f1 is 50 [Hz]
  • the third frequency f3 is 100 [Hz].
  • control unit 90 vibrates the vibrator 80 (1) and the vibrator 80 (2) at the first frequency f1, and causes the vibrator 80 (3) and the vibrator 80 (4) to vibrate from the first frequency f1. Is vibrated at a higher third frequency f3.
  • the control unit 90 increases the frequency of the vibration on the near side to the frequency of the vibration on the far side of the trajectory LC4.
  • the electronic device 1 can give a strong impression to the user as if some object has moved along the trajectory LC4 of the vibration localization movement, that is, from the back side to the near side of the electronic device 1. .
  • control unit 90 outputs the drive signal having the waveform W2A shown in FIG. 13A to the vibrator 80 (1) and the vibrator 80 (2), and the drive signal having the waveform W2B shown in FIG. It is also possible to output to the vibrator 80 (3) and the vibrator 80 (4).
  • the electronic device 1 gives a strong impression as if some object has moved along the locus LC4 in the opposite direction to the locus LC4, that is, from the near side to the far side of the electronic device 1. Can be given to.
  • the control unit 90 vibrates the vibrator 80 (1) and the vibrator 80 (2) at the first frequency f1, and causes the vibrator 80 (3) and the vibrator 80 (4) to be the first. Is oscillated at a third frequency f3 higher than the first frequency f1.
  • the control unit 90 selects from a plurality of vibrators as the vibrator indicating the back side of the movement locus of the vibration localization.
  • the vibrator to be vibrated is vibrated at the first frequency f1.
  • control unit 90 vibrates a vibrator selected from a plurality of vibrators as a vibrator indicating the near side of the vibration localization movement locus at a third frequency f3 higher than the first frequency f1.
  • the control unit 90 can move the vibration localization from the position Pv7 to the position Pv8 along the locus LC4. That is, the control unit 90 can move the vibration localization from the back ( ⁇ Z) side to the front (+ Z) side in the XYZ space.
  • the control unit 90 selects a third oscillator that is selected from a plurality of transducers as a transducer that indicates the back side of the locus of movement of vibration localization, and has a third frequency higher than the first frequency f1.
  • the control unit 90 can also vibrate a vibrator selected from a plurality of vibrators with a first frequency f1 as a vibrator indicating the near side of the locus of movement of vibration localization. Accordingly, the control unit 90 can move the vibration localization from the position Pv8 to the position Pv7, that is, along the locus LC4 in the direction opposite to the locus LC4. That is, the control unit 90 can move the vibration localization from the front (+ Z) side to the back ( ⁇ Z) side in the XYZ space.
  • control unit 90 can localize vibrations at arbitrary coordinates in the XYZ space by combining the control according to the first embodiment and the control according to the second embodiment.
  • control unit 90 can move the vibration localization along an arbitrary locus in the XYZ space by combining the control according to the first embodiment and the control according to the second embodiment.
  • the program for realizing the control function may be recorded on a computer-readable recording medium, and the program recorded on the recording medium may be read by the computer system and executed.
  • the “computer system” is a computer system built in the electronic device 1 and includes an OS and hardware such as peripheral devices.
  • the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system.
  • the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line,
  • a volatile memory inside a computer system that serves as a server or a client may be included that holds a program for a certain period of time.
  • the program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.
  • Each functional block of the electronic device 1 may be individually made into a processor, or a part or all of them may be integrated into a processor. Further, the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. In addition, when an integrated circuit technology that replaces LSI appears due to the advancement of semiconductor technology, an integrated circuit based on the technology may be used.
  • SYMBOLS 1 Electronic device, 10 ... Touch panel, 20 ... Main-body part, 30 ... Back cover, 32 ... Hole part, 35 ... Mount part, 40 ... Imaging part, 42 ... Lens, 50 ... Communication part, 52 ... I / O part, 60... Storage unit, 70... Speaker, 75... Acceleration sensor, 80.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

　L'invention concerne un dispositif électronique qui comprend un premier et un second vibrateur destinés à générer des vibrations et une unité de commande de vibration destinée à commander la vibration des premier et second vibrateurs, l'unité de commande de vibration amenant, dans un domaine temporel prescrit, le premier vibrateur à vibrer à une première fréquence, de sorte que l'amplitude de la vibration diminue progressivement, et le second vibrateur à vibrer à une seconde fréquence, de sorte que l'amplitude de la vibration diminue progressivement.
PCT/JP2015/053360 2014-02-07 2015-02-06 Dispositif électronique et programme de commande WO2015119237A1 (fr)

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JP2014021986 2014-02-07
JP2014-021986 2014-02-07

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JP2017045418A (ja) * 2015-08-28 2017-03-02 富士通テン株式会社 入力装置、表示装置、及びプログラム
JP2017049688A (ja) * 2015-08-31 2017-03-09 富士通テン株式会社 入力装置、表示装置、及びプログラム

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Publication number Priority date Publication date Assignee Title
JP2017045418A (ja) * 2015-08-28 2017-03-02 富士通テン株式会社 入力装置、表示装置、及びプログラム
JP2017049688A (ja) * 2015-08-31 2017-03-09 富士通テン株式会社 入力装置、表示装置、及びプログラム

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