WO2013114940A1 - 入出力装置、入出力方法、及び入出力プログラム - Google Patents

入出力装置、入出力方法、及び入出力プログラム Download PDF

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Publication number
WO2013114940A1
WO2013114940A1 PCT/JP2013/050545 JP2013050545W WO2013114940A1 WO 2013114940 A1 WO2013114940 A1 WO 2013114940A1 JP 2013050545 W JP2013050545 W JP 2013050545W WO 2013114940 A1 WO2013114940 A1 WO 2013114940A1
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WIPO (PCT)
Prior art keywords
vibration
input
output
unit
panel
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PCT/JP2013/050545
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English (en)
French (fr)
Japanese (ja)
Inventor
永 井出
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シャープ株式会社
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Publication of WO2013114940A1 publication Critical patent/WO2013114940A1/ja

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

Definitions

  • the present invention relates to an input / output device, an input / output method, and an input / output program.
  • a terminal device having a panel speaker that generates sound by vibrating a panel, and a terminal device having a pressure-sensitive sensor (pressing force sensor) that detects an operation input by a user has been developed.
  • Patent Document 1 discloses that a mobile phone body equipped with a liquid crystal display device is floatingly supported via a gasket and generates a sound wave, and is mounted and joined to the vibration panel to convert an electric audio signal into acoustic vibration.
  • a panel speaker comprising a vibration element to be converted, wherein the thickness of the vibration panel is gradually reduced as it proceeds from the vibration element to the periphery of the vibration panel, and the entire panel is uniformly vibrated.
  • the panel speaker is described.
  • Patent Document 2 a touch panel unit, a display panel unit, and a pressure-sensitive sensor unit are accommodated between a main plate unit of a first casing unit and a main plate unit of a first part of a second casing unit.
  • An electronic device is described in which the elastic part of the pressure-sensitive sensor part is pre-compressed to suppress variation in sensitivity to pressing force.
  • JP 2007-82009 A Japanese Unexamined Patent Publication No. 2011-86191
  • the vibration element (piezoelectric element) in Patent Document 1 is used only for realizing a function of converting an electric audio signal into acoustic vibration.
  • the pressure-sensitive sensor in Patent Document 2 is used only for realizing a function of determining a pressing force by a user as a change in capacitance.
  • An input / output device includes a switching unit that inputs an input electrical signal or outputs an output electrical signal, a vibration panel, and a vibration device attached to the vibration panel, The vibration device converts the input electric signal input through the switching unit into vibration and transmits the converted vibration to the vibration panel, and the vibration device transmits the distortion transmitted from the vibration panel to the output electric signal.
  • the signal is converted into a signal and output as a pressing signal through the switching unit.
  • the switching unit converts the input electric signal into vibration and transmits the converted vibration to the vibration panel, or transmits the distortion transmitted from the vibration panel to the output electric signal.
  • the input electric signal may be input or the output electric signal may be output based on a switching signal instructing whether to convert the output electric signal.
  • the vibration device includes a first vibration element that converts the input electric signal into vibration and transmits the vibration to the vibration panel, and distortion transmitted from the vibration panel. May be provided with a second vibration element that converts and outputs the output electric signal.
  • the second vibration element can also operate as a vibration element that converts the input electric signal into vibration and transmits the converted vibration to the vibration panel. Based on the switching signal, the second vibration element is connected to switch between input of the input electric signal to the second vibration element and output of the output electric signal from the second vibration element. It may be configured.
  • the input / output device described above includes a position detection unit that detects position information indicating a position in contact with the vibration panel, and converts the distortion transmitted from the vibration panel into the output electric signal.
  • the pressure detection unit that detects the magnitude of distortion applied to the vibration device from the magnitude of the signal, the distortion at the position in contact with the vibration panel, the detected position information, and the magnitude of the distortion detected by the pressure detection unit And a pressure correction unit that calculates based on the above.
  • the vibration panel may be a display panel or a protection plate for displaying an image.
  • the vibration panel may be a panel surface that covers the position detection unit.
  • the frequency band of the output electric signal may include a component of a band in which vibration can be perceived.
  • An input / output method includes a vibration panel and a vibration device attached to the vibration panel, wherein the distortion received by the vibration panel is converted into an output electric signal, and the input electric signal
  • An input / output method in an input / output device including a vibration device that converts vibration into vibration and transmits the vibration to the vibration panel, wherein the input / output device outputs an output electric signal as a distortion signal or A step of switching whether to output a signal to the vibration panel.
  • An input / output program is a vibration panel and a vibration device attached to the vibration panel, wherein the distortion received by the vibration panel is converted into an output electric signal, and the input electric signal Whether to output an output electric signal as a distortion signal or output an input electric signal to the vibration panel, to a computer of an input / output device having a vibration device that converts the vibration into vibration and transmits the vibration to the vibration panel Have the procedure to switch.
  • the device corresponding to the panel speaker can be used as the device corresponding to the pressing force sensor, and the size can be reduced.
  • FIG. 1 is a surface view illustrating an appearance of a terminal device 1 (input / output device) according to the present embodiment.
  • the terminal device 1 includes a housing 10, a vibration device 16, and a vibration panel 18.
  • the housing 10 accommodates each part constituting the terminal device 1.
  • the vibration device 16 has an elongated shape, and is disposed near a part of the front surface or the back surface of the vibration panel 18, for example, the upper end of the back surface of the vibration panel 16 of FIG.
  • the vibration device 16 generates vibration based on the input electric signal, transmits the generated vibration to the vibration panel 18, and vibrates the vibration panel 18.
  • the vibration device 16 can constitute, for example, a speaker or a receiver by vibrating the vibration panel 18 or a bone conduction receiver that vibrates a bone (for example, a skull) and directly transmits it to the auditory nerve. Electroacoustic transducer. Further, the vibration device 16 converts the distortion transmitted from the vibration panel 18 into an electric signal. This distortion is given by pressing a partial area of the vibration panel 18. Therefore, the signal value of the converted electric signal represents the pressing force.
  • FIG. 2 is a cross-sectional view showing a cross section along the line AA ′ of the terminal device 1 of FIG.
  • the terminal device 1 shown in FIG. 2 further includes a position detection unit 19.
  • a part of the housing 10 of the input / output device may be applied to the vibration panel 18.
  • the vibration panel 18 transmits the distortion caused by the received operation input to the vibration device 16.
  • the position detector 19 is provided on the back surface of the vibration panel 18.
  • the position detection unit 19 detects a position where the vibration panel 18 receives an operation input (for example, a position where a user's finger is touched).
  • the position detection unit 19 is a touch pad used in, for example, a notebook computer. Thereby, the presence or absence of contact with the vibration panel 18 and the contacted position can be detected.
  • the position detection unit 19 outputs position information indicating the position where the operation input has been received to the position input unit 116 and the press correction unit 114 described later.
  • the position detection unit 19 includes, for example, a plurality of sensors that detect a change in capacitance when a finger is brought into contact, and outputs information indicating the position where the sensor is arranged as the above-described position information.
  • FIG. 3 is a block diagram showing the configuration of the terminal device 1 in more detail.
  • the terminal device 1 includes an input / output unit 11, a control unit 12, an antenna unit 13, a communication unit 14, and a decoding unit 15.
  • the input / output unit 11 includes a vibration device 16, a switching unit 112, an audio output unit 113, a press correction unit 114, a press input unit 115, a position detection unit 19, and a position input unit 116.
  • the switching unit 112 is a two-pole double-throw switch, and includes contacts A and B and a movable piece C. Based on the switching signal input from the switching control unit 122, the input electrical signal input from the audio output unit 113 is output to the vibrating device 16 via the contact A and the movable segment C, or the electric signal input from the vibrating device 16. A signal is output to the pressure correction unit 114 via the movable segment C and the contact point B. When the input switching signal indicates that the input electrical signal from the audio output unit 113 is output to the vibration device 16, the switching unit 112 tilts the movable segment C to the contact A. At this time, the switching unit 112 outputs the input electrical signal from the audio output unit 113 to the vibration device 16.
  • the switching unit 112 tilts the movable segment C to the contact point B. At this time, the switching unit 112 outputs the output electrical signal from the vibration device 16 to the pressing correction unit 114.
  • the audio output unit 113 generates the decoded audio signal input from the decoding unit 15 as an output electric signal and outputs the output electric signal to the switching unit 112.
  • the pressure correction unit 114 calculates the magnitude of distortion (pressing force) applied to the vibration device 16 from the output electrical signal from the switching unit 112, and represents the position where the vibration panel 18 from the position detection unit 19 has received an operation input. Correction is performed based on the position information, and output to the press input unit 115.
  • the press input unit 115 outputs the distortion (pressing force) at the position where the vibration panel 18 received the operation input obtained from the press correction unit 114 to the terminal state control unit 123.
  • the position input unit 116 outputs the position information input from the position detection unit 19 to the terminal state control unit 123.
  • the control unit 12 includes a communication control unit 121, a switching control unit 122, and a terminal state control unit 123.
  • the communication control unit 121 is a communication state (for example, a communication start request, during communication, communication between the terminal device 1 and another device (for example, a base station device) under the control of the terminal state control unit 123. (End request, etc.) and the type of data to be transmitted / received (for example, voice, text, etc.) are managed and controlled.
  • the communication control unit 121 outputs the control information / state indicating the communication state and the data type to the communication unit 14 and the terminal state control unit 123.
  • the switching control unit 122 instructs the switching unit 112 to switch whether the terminal device 1 performs audio reproduction or performs distortion (pressing force) input based on the instruction notified from the terminal state control unit 123.
  • the instruction notified to the switching control unit 122 is one in which the terminal state control unit 123 determines the control information / state input from the communication control unit 121. For example, when the terminal control unit 123 is notified that the state of the communication control unit 121 is the voice call state, the switching control unit 122 sends the switching unit 112 to the switching unit 112 according to the instruction from the terminal state control unit 123. A switching signal is output so that the output electrical signal is output to the vibration device 16.
  • the switching control unit 122 changes the switching unit 112 according to the instruction of the terminal state control unit 123.
  • a switching signal is generated so that the output electric signal from the vibration device 16 is output to the pressing correction unit 114.
  • the terminal state control unit 123 controls the operation of the terminal device 1 based on the operation input signal input from the position input unit 116 or the press input unit 115. For example, a case where a display unit of a terminal not shown here displays a list of a plurality of character strings representing function names to be selected for the user will be described. That is, the position input unit 116 selects the position where the character is displayed based on the position input signal, and the press input unit 115 indicates that the press input signal indicates a press exceeding a predetermined threshold. At this time, the terminal state control unit 123 determines that the function name corresponding to the character string has been selected, and activates the function corresponding to the selected function name.
  • the antenna unit 13 inputs a radio band signal received from another device (for example, a base station device) to the communication unit 14.
  • the communication unit 14 downconverts the radio band signal input from the antenna unit 13 to generate a baseband signal.
  • the control information input from the communication control unit 121 indicates that the communication state is in communication and the data type is voice
  • the communication unit 14 demodulates the generated baseband signal and performs demodulation. Generate an audio signal.
  • the communication unit 14 outputs the demodulated audio signal to the decoding unit 15.
  • the decoding unit 15 decodes the demodulated audio signal input from the communication unit 14 using a decoding method corresponding to the encoding method used at the time of encoding, and generates a decoded audio signal. .
  • the decoding unit 15 outputs the decoded audio signal to the audio output unit 113.
  • FIG. 4 is a perspective view illustrating an example of the vibration device 16.
  • the vibration device 16 includes one vibration element 16-1 and a mold 163.
  • An example of the vibration element includes a piezoelectric element 161 and piezoelectric electrodes 162-1 and 162-2.
  • the piezoelectric element 161 is, for example, a piezoelectric bimorph actuator that adheres a piezoelectric ceramic plate to a metal plate and applies an electric field to the metal plate to generate minute displacement (see, for example, Japanese Patent Laid-Open No. 8-293631). Therefore, when an AC electrical signal is input, the piezoelectric element 161 generates a distortion of displacement corresponding to the signal value as vibration.
  • FIG. 5 is a sectional view taken along line BB ′ of the terminal device 1 of FIG.
  • the vibration element 16-1 is covered with an elastic mold 163, and an electric signal (output electric signal) having a voltage value corresponding to the distortion (pressing force) transmitted from the mold 163 is applied to the piezoelectric element 161.
  • the electrodes 162-1 and 162-2 are disposed on the front and back surfaces of the right end of the piezoelectric element 161, respectively.
  • the electrodes 162-1 and 162-2 output a potential difference generated by the vibration of the piezoelectric element 161 to the switching unit 112 as an electrical signal.
  • the piezoelectric element 161 generates vibration according to a change in the voltage value of the input electric signal (input electric signal).
  • the electrodes 162-1 and 162-2 supply the potential difference of the input electric signal input from the switching unit 112 to the front surface and the back surface of the piezoelectric element 161.
  • the piezoelectric element 161 is deformed by this input electric signal to generate vibration.
  • FIG. 6 is a cross-sectional view illustrating a cross section perpendicular to the front and back direction of the vibration device 16 of FIG. 4.
  • the piezoelectric element 161 has a flat shape and is surrounded by a mold 163.
  • the electrode 162-1 is disposed on the right end surface of the piezoelectric element 161.
  • the electrode 162-2 is disposed on the back surface of the right end of the piezoelectric element 161.
  • the electrode 162-2 is not shown in FIG. 5 because it is directly behind the electrode 162-1.
  • FIG. 7 is a cross-sectional view showing another cross section of the terminal device 1.
  • This sectional view represents a section taken along line BB 'in FIG.
  • the horizontal direction represents the left-right direction
  • the vertical direction represents the front-back direction.
  • the terminal device 1 is further configured to include an elastic adhesive 117 (for example, a double-sided adhesive tape).
  • the surface of the mold 163 of the vibration device 16 and the back surface of the position detection unit 19 are in close contact with the adhesive 117. That is, the position detection unit 19 is disposed between the front surface of the mold 163 and the back surface of the vibration panel 18.
  • FIG. 8 is a flowchart showing the input / output processing according to this embodiment.
  • the switching unit 112 receives a switching signal from the switching control unit 122. Thereafter, the process proceeds to step S102.
  • the switching unit 112 indicates that the input switching signal indicates that the input electrical signal from the audio output unit 113 is output to the vibration device 16, or the output electrical signal from the vibration device 16 is pressed.
  • the switching intercept C is switched according to whether it represents an input to.
  • step S102 When it represents outputting the electric signal input from the audio output unit 113 to the vibrating device 16 (Y in step S102), the process proceeds to step S103, and the segment C is connected to the contact A.
  • step S106 When it represents that the output electric signal from the vibration device 16 is input to the pressing correction unit 114 (N in step S102), the process proceeds to step S106, and the segment C is connected to the contact B.
  • Step S ⁇ b> 103 The switching unit 112 performs switching so that the movable segment C contacts the contact A. Thereafter, the process proceeds to step S104.
  • Step S ⁇ b> 104 The switching unit 112 outputs the input electrical signal input from the audio output unit 113 to the vibration device 16. Thereafter, the process proceeds to step S105.
  • Step S ⁇ b> 105) The vibration device 16 generates vibration based on the input electric signal (an electric signal in a voice band) input from the switching unit 112. Thereby, the vibration device 16 transmits the generated vibration to the vibration panel 18 to vibrate the vibration panel 18. Therefore, the sound wave based on the input electric signal is reproduced. Thereafter, the process ends.
  • Step S ⁇ b> 106 The switching unit 112 performs switching so that the movable segment C contacts the contact B. Thereafter, the process proceeds to step S107.
  • Step S ⁇ b> 107 The vibration device 16 converts the distortion (pressing force) transmitted from the vibration panel 18 into an electrical signal, and outputs the electrical signal to the pressing correction unit 114 via the switching unit 112 as an output electrical signal. Thereafter, the process proceeds to step S108.
  • Step S ⁇ b> 108 The pressure correction unit 114 indicates the position information input from the position detection unit 19 and the distortion (pressing force) transmitted from the vibration device 16 to the vibration device 16 output via the switching unit 112.
  • Step S109 The terminal state control unit 123 receives the position information input from the position detection unit 19 via the position input unit 116 and the distortion (pressing force) at the operated position input from the press input unit 115.
  • the operation of the terminal device 1 is controlled based on the above. For example, processing related to function selection and character input is performed. Thereafter, the process ends.
  • the vibration device 16 that transmits the vibration converted from the input electric signal to the vibration panel 18 (vibration plate) and converts the pressing force transmitted from the vibration panel 18 into the output electric signal is provided.
  • whether an input electrical signal is input or an output electrical signal is output is switched based on a switching signal instructing whether to perform audio reproduction.
  • the input / output unit 11 according to the present embodiment can selectively use voice reproduction or pressure detection with one vibration device 16, the terminal device 1 can be reduced in size and weight.
  • the input / output unit 11 according to the present embodiment has a simple configuration as described above, it can be easily manufactured.
  • the vibration panel 18 may be constituted by a part of the outer surface of the housing 10 of the input / output device, and the vibration device 16 may be bonded thereto. As a result, the vibration is transmitted to the vibration panel 18 and voice reproduction can be provided to the user.
  • the vibration device 16 can detect distortion (pressing force) applied to a part of the housing 10.
  • a panel surface covering the position detection unit 19 capable of performing position detection, such as a touch pad or an input tablet may also be used as the vibration panel 18. As a result, the size and weight can be reduced as described above.
  • FIG. 9 is a surface view illustrating an appearance of another configuration example of the terminal device 1 according to the present embodiment.
  • the terminal device 1 includes a housing 10, a vibration device 16, a display unit 17, and a vibration panel 18.
  • the difference from FIG. 1 is that the vibration panel 18 and the position detection unit 19 (not shown here) are transparent, and the display unit 17 is disposed inside the housing at the center of the back side of the vibration panel. is there.
  • the display unit 17 is, for example, a liquid crystal display, but may be an organic EL display or the like.
  • the image can be optically displayed and the user can visually recognize the image through the transparent vibration panel 18.
  • the vibration panel 18 is, for example, a transparent protective plate that covers a touch panel liquid crystal surface that displays an image.
  • the vibration panel 18 is disposed so as to contact the vibration device 16 and cover most of the surface of the terminal device 1.
  • the entire vibration panel 18 vibrates and radiates an acoustic wave.
  • a pressing force is applied to the surface of the vibration panel 18, distortion due to the applied pressing force is transmitted to the vibration device 16.
  • FIG. 10 is a sectional view taken along line AA ′ of the terminal device 1 of FIG.
  • the terminal device 1 includes the display unit 17.
  • the transparent position detection unit 19 is provided on the back surface of the vibration panel 18 as in the terminal device 1 of FIG. 2, but the region is limited to the same region as the surface of the display unit 17 as shown in FIG. 10. Also good.
  • the position detection unit 19 detects the position where the finger is in contact with the vibration panel 18.
  • a combination of the transparent vibration panel 18, the transparent position detection unit 19, and the display unit 17 is, for example, a touch panel liquid crystal surface of a mobile terminal. Accordingly, it is possible to detect the presence or absence of contact with the vibration panel 18 and the touched position corresponding to the position of the image content displayed on the display unit 17.
  • Other configurations, block diagrams, and input / output processing flows may be the same as those constituting the terminal device 1 of FIG.
  • the vibration device 16 that transmits the vibration obtained by converting the input electric signal to the vibration panel 18 (touch panel liquid crystal surface) and converts the pressing force transmitted from the vibration panel 18 into the output electric signal is provided.
  • the vibration device 16 is arranged near the position of the receiver of a general mobile phone, so that the vibration panel 18 vibrates with a larger amplitude near the ear during sound reproduction, so that the sound can be efficiently generated. You can play it.
  • the receiver position of the mobile phone is usually disposed above the touch panel liquid crystal surface, an efficient configuration can be achieved by using a transparent protective plate covering the touch panel liquid crystal surface as the vibration panel 18.
  • the input / output unit 11 can selectively use sound reproduction or pressing detection with one vibration device 16, and the vibration panel 18 also serves as a liquid crystal touch panel unit. And weight reduction. Moreover, since the input / output unit 11 according to the present embodiment has a simple configuration as described above, it is easy to manufacture.
  • FIG. 11 is a block diagram illustrating an internal configuration of the terminal device 2 according to the present embodiment.
  • the terminal device 2 includes an input / output unit 21 instead of the input / output unit 11 of the terminal device 1.
  • the input / output unit 21 includes an audio output unit 213 instead of the audio output unit 113 of the input / output unit 11, and includes a vibration device 26 instead of the vibration device 16.
  • the other configurations of the input / output unit 11, that is, the configurations of the position detection unit 19, the switching unit 112, the press correction unit 114, the press input unit 115, and the position input unit 116 are the same as the corresponding ones in FIG. 1.
  • the configurations of the control unit 12, the antenna unit 13, the communication unit 14, and the decoding unit 15 are the same as the corresponding ones in FIG.
  • the audio output unit 213 generates the decoded audio signal input from the decoding unit 15 as an output electric signal.
  • the audio output unit 213 outputs the output electric signal to the switching unit 112 and the vibration element 26-1 of the vibration device 26.
  • FIG. 12 is a perspective view of the vibration device 26 according to the present embodiment.
  • FIG. 13 is a cross-sectional view of the vibrating device 26 according to the present embodiment, and is a cross-sectional view showing a cross section passing through a line corresponding to the line BB ′ in FIG.
  • FIG. 14 is a cross-sectional view of the vibration device 26 according to the present embodiment, and is a cross-sectional view illustrating a cross section perpendicular to the front and back direction of the vibration device 26 of FIG. 12. Note that the piezoelectric element 261-2 and the electrodes 262-2-1, 262-2-2 are directly above the piezoelectric element 261-1 and the electrodes 262-1-1, 261-2, respectively. Does not appear.
  • the vibration device 26 includes a vibration element 26-1 (first vibration element), a vibration element 26-2 (second vibration element), and a mold 163.
  • the vibration elements 26-1 and 26-2 are covered with a mold 163.
  • the vibrating elements 26-1 and 26-2 are respectively the piezoelectric element 261-1, the electrodes 262-1, 261-2, and the piezoelectric element 261-2, similarly to the vibrating element 16-1 in the first embodiment.
  • the piezoelectric element 261-1 and the piezoelectric element 261-2 are arranged side by side in the vertical direction, but are separated by a mold 163.
  • the material of the mold 163 is the same as the material of the mold 163 in the first embodiment.
  • the electrodes 262-1 and 262-1-2 are mounted on the front and back surfaces of the right end of the piezoelectric element 261-1, respectively.
  • the electrodes 262-1 and 262-1-2 supply the potential difference of the input electrical signal input from the audio output unit 213 to the front and back surfaces of the piezoelectric element 261-1. As a result, the piezoelectric element 262-1 generates vibration.
  • the electrodes 262-1 and 262-2-2 are attached to the front and back surfaces of the right end of the piezoelectric element 261-2, respectively.
  • the electrodes 262-1 and 262-2-2 supply the potential difference of the input electric signal input from the switching unit 112 to the front surface and the back surface of the piezoelectric element 261-2.
  • the piezoelectric element 262-2 generates vibration.
  • the electrodes 262-1, 262-2-2 output the potential difference generated by the vibration of the piezoelectric element 261-2 to the switching unit 112 as an output electric signal.
  • the vibration elements 26-1 and 26-2 both vibrate.
  • the vibration panel 18 is vibrated.
  • the vibration generated by the vibration element 26-1 and the vibration generated by the vibration element 26-2 are synchronized, both vibrations are superimposed, and as a result, the vibration is emphasized.
  • the switching signal input to the switching unit 112 indicates that the output electric signal from the vibration element 26-2 is input to the pressing correction unit 114, the vibration element 26-2 is added to the vibration element 26-2.
  • An output electrical signal based on the pressing force is output to the switching unit 112.
  • the pressing correction unit 114 calculates the magnitude of distortion (pressing force) applied to the vibration element 16-2 from the output electric signal input from the switching unit 112, and the position touched the vibration panel 18 from the position detection unit 19 Is corrected by the position information representing the position and output to the press input unit 115.
  • the vibration device 26 outputs the vibration element 26-1 that transmits the vibration converted from the input electric signal to the vibration panel 18 and the distortion (pressing force) transmitted from the vibration panel 18 as the output.
  • a vibration element 26-2 for converting into an electric signal is provided.
  • the switching unit 112 switches whether to input an input electrical signal from the vibration element 26-2 or to output an output electrical signal to the vibration element 26-2 based on the switching signal.
  • the user can properly use the sound reproduction by both the vibration elements 26-1 and 26-2 and the combined use of sound reproduction and distortion (pressing force) input.
  • the switching unit 112 When it is desired to reproduce at a high volume, the switching unit 112 is switched as in the former, so that the vibration of the vibration panel 18 is emphasized, so that the volume can be increased. On the other hand, when it is desired to reproduce at a low volume, the switching unit 112 is switched as in the latter so that only the vibration element 26-1 (a vibration element having a half size) is driven for sound reproduction. Therefore, power consumption can be reduced.
  • the terminal device 3 according to the present embodiment has the same appearance as the terminal device 1 shown in FIGS.
  • the internal configuration of the terminal device 3 is the same as the internal configuration of the terminal device 1 shown in FIG.
  • the pressure correction unit 114 calculates the magnitude of distortion (pressing force) applied to the vibration device 16 from the output electrical signal input from the switching unit 112, and the position at which the vibration panel 18 from the position detection unit 19 has received an operation input. Is corrected by the position information representing the position and output to the press input unit 115.
  • the press input unit 115 outputs the distortion (pressing force) at the position where the vibration panel 18 received the operation input obtained from the press correction unit 114 to the terminal state control unit 123.
  • FIG. 15 is a flowchart illustrating the correction process of the pressing value performed by the pressing correction unit 114 according to the present embodiment.
  • the pressing correction unit 114 calculates the magnitude of distortion (pressing force) applied to the vibration device 16 from the electrical signal input from the switching unit 112. Thereafter, the process proceeds to step S202.
  • Step S ⁇ b> 202 Position information is input from the position detection unit 19 to the press detection unit 114. Thereafter, the process proceeds to step S203.
  • Step S ⁇ b> 203 The press detection unit 114 calculates the distance between the position represented by the position information input from the position detection unit 19 and the position of the vibration device 16. In order to calculate the distance, the pressure correction unit 114 stores in advance a distance value from the position representing the center position of the vibration device 16 to the position information value indicated by the position detection unit 19. Thereafter, the process proceeds to step S204.
  • the pressing correction unit 114 determines the correction amount L (r) based on the calculated distance r.
  • the correction amount L (r) is calculated as a ⁇ r 2 .
  • a is a preset real number.
  • the pressing correction unit 114 may read the correction amount L (x, y) corresponding to the position information (x, y) input from the position detection unit from the storage unit included in the pressing correction unit 114. .
  • the correction amount L (x, y) actually measured in the terminal device is stored in advance for each piece of position information (x, y) input from the position detection unit 19.
  • An example of the press correction information indicating the correspondence relationship between the position information (x, y) and the correction amount L (x, y) will be described later. Thereafter, the process proceeds to step S205.
  • Step S205 The pressing correction unit 114 calculates the corrected pressing value by multiplying the determined correction amount L by the magnitude of distortion (pressing force) applied to the vibrating device 16 from the electrical signal input from the switching unit 112. . Thereafter, the process ends. Thereby, even if the distance from the vibration device 16 becomes long, the magnitude
  • FIG. 16 is a diagram illustrating an example of the relationship between the coordinates (x, y) at which the vibration panel 18 receives an operation input and the distance r from the position to the center of the vibration device 16.
  • FIGS. 17 and 18 are diagrams illustrating examples of the press correction information stored in the storage unit.
  • the left column represents the distance r
  • the right column represents the correction amount L.
  • the left column represents position information (x, y)
  • the right column represents the correction amount L.
  • the correction amount L is 400 for the position information (x1, y1)
  • the correction amount L is 1600 for the position information (x2, y2).
  • the press information in contact with the vibration panel 18 is calculated based on the output electric signal and the position information. Thereby, the difference by the position which the user operated can be excluded, and the press value produced by operation can be acquired correctly.
  • the terminal device 1, 2 or 3 is an input / output device having a communication function and the received voice is reproduced as an example, but the present embodiment is not limited to this.
  • the terminal device 1, 2 or 3 may be an electronic device having a sound reproduction function and an operation input function.
  • the terminal state control unit 123 determines whether the terminal device 1, 2, or 3 performs audio reproduction or operation input based on information from the communication control unit 121.
  • the switching signal indicating that the switching unit 112 outputs the output electrical signal from the audio output unit 113 to the vibration device 16 or the switching signal indicating that the input electrical signal from the vibration device 16 is input to the pressing correction unit 114 is switched.
  • generates was demonstrated.
  • the switching control unit 122 may generate a switching signal indicating that the switching unit 112 outputs the output electrical signal from the audio output unit 113 to the vibrating device 16 when it is determined. In that case, the switching unit 112 may control whether the movable segment C is tilted to A or B depending on whether or not the input switching signal indicates sound reproduction.
  • FIG. 19 is a block diagram showing the configuration of the terminal device 4 according to one embodiment.
  • the terminal device 4 according to this embodiment further includes an audio playback unit 31, an audio data storage unit 32, and an audio playback control unit 125.
  • the voice data storage unit 32 is a part for storing voice data previously incorporated in the terminal device 4 and voice data recorded through a wireless communication means, an external storage medium, a microphone attached to the terminal, or the like.
  • the terminal state control unit 123 instructs the reproduction of various audio data
  • the instruction is transmitted to the audio reproduction unit 31 via the audio reproduction control unit 125.
  • the audio reproduction unit 31 reads out the instructed audio data from the audio data stored in the audio data storage unit 32.
  • the audio reproduction unit 31 outputs the read audio data to the audio output unit 113 to reproduce the audio.
  • the terminal device 4 shown in FIG. 19 includes a configuration in which the vibration device 16 and the vibration panel 18 are vibrated using audio data as an output electric signal.
  • the frequency of the output electric signal is a frequency at which a human perceives vibration (for example, 5-20 Hz). Therefore, in the above configuration, instead of the voice data, for example, by storing the vibration pattern data including the frequency band in the voice data storage unit 22, the user is notified of the vibration by the vibration of the vibration panel 18. Things will be possible.
  • This vibration pattern is used for, for example, a mobile phone incoming vibrator or force feedback for notifying the user that an operation has been accepted when operating the touch pad / touch panel.
  • the input / output unit 11 according to the present embodiment can selectively use vibration notification or pressure detection with one vibration device 16, and the terminal device 4 can be reduced in size and weight. Moreover, since the input / output unit 11 according to the present embodiment has a simple configuration as described above, it can be easily manufactured.
  • the input / output unit 21 includes the switching unit 112 that controls input / output between the vibration element 26-2 and the press correction unit 114 or the audio output unit 213 is described.
  • This embodiment is not limited to this.
  • the input / output unit 21 may include a switching unit 112 that controls input / output between the vibration element 26-1 and the pressure correction unit 114 or the audio output unit 213.
  • the vibration device 26 may include three or more vibration elements.
  • at least one vibration element may include a switching unit 112 that controls input / output to / from the pressing correction unit 114 or the audio output unit 213.
  • an input removal signal may be generated by subtracting the wraparound component from the output electrical signal input from the switching unit 112, and the pressure correction unit 114 may be input with the generated input removal signal.
  • the wraparound component is a component that contributes to an output electrical signal generated by the vibration element 26-2 that generates vibrations based on an input electrical signal and is transmitted to the vibration panel 18.
  • the input / output unit 21 may further include, for example, a second switching unit 512, a wraparound combining unit 513, and a subtracting unit 514 as illustrated in the terminal device 5 of FIG.
  • the second switching unit 512 receives a switching signal from the switching control unit 122 and an input electrical signal from the audio output unit 213. However, when the input switching signal indicates that the output electric signal from the audio output unit 213 is output to the vibration element 26-2, the second switching unit 512 wraps the input electric signal into the synthesizing unit 513. Output. When the input switching signal indicates that the input electric signal from the vibration element 26-2 is input to the pressing output unit 114, the second switching unit 512 blocks the input electric signal.
  • the sneak synthesizer 513 synthesizes the sneak component signal based on the input electrical signal input from the second switching unit 512.
  • a sneak characteristic coefficient is calculated in advance based on a sneak component obtained as an output electrical signal when no operation input is made, and the input electrical signal.
  • the calculated sneak characteristic coefficient is set in the sneak synthesis unit 513.
  • the sneak synthesis unit 513 generates a sneak component signal by filtering with the sneak characteristic coefficient set for the inputted input electric signal.
  • the sneak synthesis unit 513 outputs the synthesized sneak component signal to the subtraction unit 514.
  • the subtraction unit 514 subtracts the sneak component signal input from the sneak synthesis unit 513 from the output electrical signal input from the switching unit 112 to generate a sneak removal signal.
  • the subtracting unit outputs the generated wraparound removal signal to the press correcting unit 114.
  • the switching unit 112 and the pressure amplification unit 114 may be provided with a filter that removes an audio band component (for example, 200 Hz to 4.0 kHz).
  • an audio band component for example, 200 Hz to 4.0 kHz.
  • the switching unit 112 the decoding unit 15, the press correction unit 114, the position input unit 116, the communication control unit 121, and the switching control unit.
  • the terminal state control unit 123, the audio reproduction control unit 125, the second switching unit 512, the wraparound synthesis unit 513, and the subtraction unit 514 may be realized by a computer.
  • 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 a computer system and executed.
  • the “computer system” is a computer system built in the terminal device 1, 2, 3, 4 or 5, 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. Furthermore, 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, In such a case, a volatile memory inside a computer system serving as a server or a client may be included and a program 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.
  • LSI Large Scale Integration
  • Each functional block of the terminal devices 1, 2, 3, 4 and 5 may be individually made into a processor, or a part or all of them may be integrated into a processor.
  • the method of circuit integration is not limited to LSI, and may be realized by a dedicated circuit or a general-purpose processor. Further, in the case where an integrated circuit technology that replaces LSI appears due to progress in semiconductor technology, an integrated circuit based on the technology may be used.
  • the present invention can be applied to a small terminal device such as a mobile phone.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
PCT/JP2013/050545 2012-02-01 2013-01-15 入出力装置、入出力方法、及び入出力プログラム WO2013114940A1 (ja)

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