WO2012111349A1 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- WO2012111349A1 WO2012111349A1 PCT/JP2012/001081 JP2012001081W WO2012111349A1 WO 2012111349 A1 WO2012111349 A1 WO 2012111349A1 JP 2012001081 W JP2012001081 W JP 2012001081W WO 2012111349 A1 WO2012111349 A1 WO 2012111349A1
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- WO
- WIPO (PCT)
- Prior art keywords
- panel
- touch panel
- display unit
- electronic device
- vibration
- Prior art date
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1688—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being integrated loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Definitions
- the present invention relates to an electronic device that includes a panel that forms an appearance and vibrates the panel.
- touch panels and touch pads are widely used as input devices for electronic devices.
- a device that feeds back a feeling of operation to an operator's fingertip by vibrating the touch panel or the touch pad is proposed (for example, see Patent Document 1).
- the above-mentioned problem is a problem that is expected to occur in common in an electronic device that includes a panel that configures the appearance and vibrates the panel.
- a predetermined electrical signal (audio signal) is applied to vibrate the panel, and vibration is applied to a part of the user's body (for example, the cartilage of the outer ear) that contacts the panel.
- an electronic device that vibrates the panel there is an electronic device having a function of removing water droplets and dirt attached to the panel due to the vibration of the panel.
- An electronic apparatus includes a panel, a vibrating unit that vibrates the panel, and an image display unit that is disposed adjacent to a back side of the panel, and the image display unit includes the image display unit. It is characterized in that it is suspended and held with respect to the panel via a flexible member arranged along the entire periphery.
- the electronic device that includes the panel constituting the appearance and vibrates the panel can be made difficult to inhibit the vibration of the panel, and the dustproof and waterproof properties can be improved.
- FIG. 1A shows a state where the touch panel is stationary and FIG. 1B shows a state where the touch panel is curved and deformed toward the display unit.
- FIG. 10 is a cross-sectional view taken along the line cc in FIG. 9A.
- an electronic apparatus (here, a mobile phone terminal as an example) 1 detects an operation input by an operator, and gives vibration to the touch panel 3 according to the input to the operator.
- an input device body 5 that feeds back a feeling of operation via the touch panel 3 and a housing 7 that houses and holds the input device body 5 are provided.
- the casing 7 includes an upper casing 9 as a support member that supports the touch panel 3, and a lower end portion of the upper casing 9 for the input device main body. And a rectangular cup-shaped lower housing 10 that forms a housing space.
- the upper housing 9 and the lower housing 10 are closely fixed via a packing (not shown).
- the upper housing 9 and the lower housing 10 can be formed using a relatively hard synthetic resin material or metal material.
- the upper housing 9 is formed with an opening 9a that exposes the touch surface of the touch panel 3 to the outside in order to enable the operation of the touch panel 3, and the periphery of the touch panel 3 around the opening 9a.
- a bezel portion 9b that covers the portion is integrally provided.
- the upper housing 9 holds the touch panel 3 on the back side via a cushion member 13 made of an elastic material.
- the upper housing 9 and the cushion member 13 and the cushion member 13 and the touch panel 3 can be bonded using a double-sided tape or an adhesive, respectively.
- the material of the cushion member 13 is preferably a material that does not inhibit vibration as much as possible.
- soft urethane foam preferably microcell urethane foam
- silicon foam silicon rubber, or the like can be used.
- the upper housing 9 only needs to hold the touch panel 3 at at least the four corners. From the viewpoint of increasing the support strength of the touch panel 3 and reducing the risk of entry of dust and the like into the housing 7, the upper housing 9 is a cushion.
- the member 13 may be arranged along the entire periphery of the peripheral edge of the touch panel 3 and hold the touch panel 3 on the entire periphery of the upper housing 9 as in the present embodiment.
- the touch panel 3 is held by the upper housing 9, but a bezel (not shown) is provided as a separate body from the upper housing 9, and the touch panel 3 is used as a support member of the present invention. You may make it hold
- the input device main body 5 is arranged on the back side of the touch panel 3, the touch panel 3 supported by the upper housing 9 as described above, at least one that vibrates the touch panel 3, here, the two vibration units 15 and 16. And a substrate 22 having a control unit (not shown) arranged in the lower housing 10 so as to have a gap s with respect to the display unit 18 and controlling the overall operation.
- the touch panel 3 has a rectangular shape in plan view, and has a thickness that allows vibration (curvature deformation) by receiving vibration from the vibration portions 15 and 16. Is set. Further, here, the touch panel 3 detects the operation of the operator with respect to the object displayed on the display unit 18, that is, the position of a finger, a stylus pen, or the like on the touch panel 3, and the detected position is provided on the substrate 22. It has a function to notify the control unit.
- a known type such as a resistive film type, a capacitance type, an optical type, or the like can be used.
- the vibration parts 15 and 16 are attached to the back surface of the touch panel 3 with an adhesive or the like in the vicinity of two opposing sides (here, two short sides) of the touch panel 3.
- the vibration parts 15 and 16 are composed of piezoelectric elements that expand and contract in the longitudinal direction when a voltage is applied.
- the touch panel 3 repeats warping deformation (curvature deformation) in the thickness direction (direction orthogonal to the touch surface).
- the vibration units 15 and 16 can generate vibrations with a predetermined vibration pattern (frequency, period, waveform, amplitude) based on a signal from a control unit provided on the substrate 22, for example.
- a click feeling typified by a metal dome switch used in a mobile terminal
- a predetermined load for example, one cycle consisting of a sine wave having a constant frequency of 170 Hz.
- the vibration units 15 and 16 are driven by the drive signal of minutes, and the touch panel 3 is vibrated by about 15 ⁇ m with a predetermined load applied. Thereby, a realistic click feeling can be provided to the operator.
- the display unit 18 has a rectangular shape in plan view, but is slightly smaller than the touch panel 3, and can display an object such as a push button switch such as a key as an image.
- the image displayed on the display unit 18 is not limited to a still image and may be a moving image.
- an organic EL display and electronic paper can be used in addition to a liquid crystal display (LCD).
- the display part 18 is suspended and hold
- the material of the seal member 24 is not particularly limited as long as the seal member 24 can be bent according to the curved deformation of the touch panel 3 while maintaining a predetermined sealing property.
- soft urethane foam preferably microcell urethane foam
- the touch panel 3 and the seal member 24 and the seal member 24 and the display unit 18 can be bonded using a double-sided tape or an adhesive, respectively.
- the touch panel 3 is supported by the upper housing 9 as a support member as shown in FIG.
- the part 18 is suspended and held on the touch panel 3 via the seal member 24, and as a result, a gap s is formed between the display part 18 and the substrate 22.
- the gap s can be set as appropriate according to the magnitude of the bending deformation of the touch panel 3, and can be set to about 0.1 mm when the touch panel 3 is stationary, for example.
- reference numeral 26 denotes a flexible printed circuit board that connects the display unit 18 and the substrate 22, and the flexible printed circuit board is bent in advance assuming that the display unit 18 is displaced. Alternatively, it is preferable to be bent as shown in FIG.
- the vibration units 15 and 16 vibrate based on the drive signal from the control unit, the vibration is transmitted to the touch panel 3, and the operator feels the operation feeling via the touch panel 3. Is fed back.
- the display unit 18 is suspended and held on the touch panel 3 and a gap s is formed between the display unit 18 and the substrate 22, the degree of freedom of deformation in the thickness direction of the touch panel 3 (deformation is deformed). Ease).
- the seal member 24 when the touch panel 3 shown in FIG. 5A is stationary, the seal member 24 is tensilely deformed by the tensile load of the display unit 18, and the touch panel 3 is moved from this state.
- the seal member 24 can be freely displaced as the gap s is provided between the display unit 18 and the substrate 22 as shown in FIG. 5B.
- the seal member 24 does not reach the compression limit. Therefore, the physical space in which the touch panel 3 is curved and deformed is not taken away by the presence of the seal member 24, and the degree of freedom of deformation in the thickness direction of the touch panel 3 (particularly in the direction toward the display unit 18) can be increased.
- the amplitude when the touch panel 3 vibrates can be earned.
- the display unit 18 is suspended and held from the touch panel 3 via the seal member 24 as described above, it is not necessary to increase the height (thickness) of the seal member 24, so that the size of the device is not increased.
- the degree of freedom of deformation of the touch panel 3 in the thickness direction can be increased.
- the electronic device 1 of this embodiment since the space between the touch panel 3 and the display unit 18 is sealed by the sealing member 24, the entry of dust and moisture between the touch panel 3 and the display unit 18 is reduced. can do.
- the risk of intrusion of dust and moisture is reduced by the flexible sealing member 24, but the flexible member is adhered to the touch panel 3 and the display unit 18. Also good.
- the intrusion of dust can be reduced, and further, the intrusion of moisture can be reduced by performing the adhesion with the waterproof double-sided tape.
- the display unit 18 is suspended and held from the touch panel 3, once the display unit 18 and the touch panel 3 are assembled as one assembly, subsequent manufacturing is performed. Handling in the process (assembly process) can be facilitated.
- the cushion member 13 is provided over the entire circumference between the bezel portion 9a of the upper housing 9 and the touch panel 3, dust or the like is introduced into the housing 7. It becomes difficult to invade.
- “hanging and holding” means that the display unit is mainly held by being suspended from the touch panel, and the display unit is supplementarily supported by other peripheral components or the like. It does not exclude a structure in which a filler for improving impact resistance or the like is interposed between the display unit and its surroundings.
- the electronic device 1 in FIG. 6 is provided with a filling member 30 that at least partially fills the gap s between the display unit 18 and the substrate 22 and the gap between the display unit 18 and the lower housing 10.
- a filling member 30 that at least partially fills the gap s between the display unit 18 and the substrate 22 and the gap between the display unit 18 and the lower housing 10.
- the space between the display unit 18 and the substrate 22 is a space, and the display unit 18 is only suspended and held from the touch panel 3, whereas in this embodiment, the display unit 18 The part 18 is supported by a filling member 30 provided between the display part 18 and the substrate 22 in addition to being mainly suspended and held on the touch panel 3.
- the material of the filling member 30 can be, for example, a gel-like elastomer, sponge, silicon rubber, soft urethane foam, or silicon foam.
- the filling member 30 may be provided only in the gap s between the display unit 18 and the substrate 22 or may be provided only in the gap between the display unit 18 and the lower housing 10.
- the filling member 30 since the filling member 30 is provided between the display unit 18 and the substrate 22, an impact applied to the display unit 18 when the electronic apparatus 1 is dropped can be absorbed by the filling member 30. , Can increase durability. Moreover, since the filling member 30 only supports the display unit 18 in an auxiliary manner, the influence on the vibration of the touch panel 3 is small. Note that the filling member 30 may not always be in contact with the display unit 18 and the substrate 22. For example, as shown in FIG. 7, instead of the filling member 30, a protrusion 32 that protrudes from the substrate 22 and the lower housing 10 toward the display unit 18 and does not contact the display unit 18 during normal operation is provided. The projection 32 may be in contact with the display unit 18 and absorb the impact only when a large impact is caused by dropping or the like on the electronic device 1. The protrusion 32 may be made of the same material as the flexible member or the filling member 30 that becomes the seal member 24.
- the touch panel 3 used in the electronic apparatus 1 according to the present invention is a flat plate member such as a simple “panel” that does not have a function (sensing function) for detecting a position where a finger or the like touches the touch surface. You can also.
- a load detection unit that detects a pressing load is provided, and when the detected load satisfies a predetermined pressing load standard, the touch panel is touched. Can be determined.
- Such a load detection unit can be configured by providing an arbitrary number of strain gauge sensors or the like on the touch panel 3.
- the vibration parts 15 and 16 are piezoelectric elements, the piezoelectric elements can also be used as strain gauge sensors.
- the present invention may include other elements other than the elements described in the above embodiment, for example, a load detection unit.
- the control unit can monitor the input to the touch panel and can monitor the load detected by the load detection unit, that is, the input to the touch panel is input to the input object displayed on the display unit. And detecting whether the pressing load detected by the load detecting unit satisfies a predetermined criterion for receiving the input while increasing by pressing the touch panel, receives an input to the touch panel at that time, and vibrates the vibration unit. Can be driven with a predetermined vibration, and the touch panel can be vibrated with a predetermined vibration pattern.
- the predetermined reference can be set as appropriate according to the load characteristic when the push button switch is to be expressed.
- the load detection unit for example, four strain gauge sensors that can be arranged at the four corners of the touch panel can be applied, and in the case of a resistive film type touch panel, the change in the output signal based on the resistance change due to the contact area
- the load can be detected from
- a load can be detected from a change in output signal based on a change in capacitance.
- the vibration units 15 and 16 have been described as using a pair of piezoelectric elements.
- a transparent film piezoelectric body that can be attached to the entire surface of an arbitrary number of piezoelectric vibrators or the touch panel 3
- an eccentric motor configured to rotate once in one cycle of the drive signal can be used.
- the touch panel 3 has been described as being supported by the upper housing 9, but may be supported by the lower housing 10.
- the case where the piezoelectric elements 15 and 16 are bonded to the bottom surface of the touch panel 3 outside the seal member 24 has been described.
- the case where the display unit 18 is suspended and described has been described.
- the display unit 18 is integrally formed with a holder in the same manner as in FIG. 5, and the display unit 18 and the holder are suspended and retained. It may be.
- a mobile phone terminal that includes a touch panel having a sensing function and feeds back a feeling of operation has been described.
- the present invention is not limited to this.
- another electronic apparatus to which the present invention can be applied will be described.
- the electronic device generates vibration on a panel by applying an electrical signal corresponding to a predetermined audio signal to a piezoelectric element attached to a panel such as a touch panel or a cover panel that protects a display unit.
- a panel such as a touch panel or a cover panel that protects a display unit.
- It may be an electronic device.
- Such an electronic device can transmit sound to the user even when a part of the user's body (for example, cartilage of the outer ear) is brought into contact with the vibrated panel.
- the mobile phone 100 described below is given as an example of an electronic device to which the present invention can be applied, and is not limited to the configuration shown in the figure.
- the configuration of the mobile phone 100 can be appropriately changed within a range that does not hinder the application of the present invention.
- FIG. 8 is a diagram showing another electronic apparatus to which the present invention can be applied.
- 8A is a front view
- FIG. 8B is a cross-sectional view taken along line bb in FIG. 8A.
- a mobile phone 100 as another electronic device to which the present invention can be applied includes a casing 110, a panel 120, a display unit 130, and a piezoelectric element 140.
- the display unit 130 and the piezoelectric element 140 are each bonded to the panel 120 by a bonding member 150.
- the panel 120, the display unit 130, and the piezoelectric element 140 are each substantially rectangular.
- the contact area of the piezoelectric element 140 with the bonding member 150 may be substantially the entire main surface on one side of the piezoelectric element.
- vibrations in the piezoelectric element 140 are efficiently transmitted to the panel 120 and the panel 120 is brought into contact with the human body.
- the panel 120 can be curved and vibrated with sufficient strength so as not to be attenuated.
- the display unit 130 is disposed substantially at the center of the panel 120 in the short direction.
- the piezoelectric element 140 is disposed at a predetermined distance from an end portion in the longitudinal direction of the panel 120, and is disposed in the vicinity of the end portion so that the longitudinal direction of the piezoelectric element 140 is along the short side of the panel 120.
- the display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. For example, when the panel 120 and the display unit 130 are configured not to overlap each other, the piezoelectric element 140 may be disposed at the center of the panel 120.
- the piezoelectric element 140 When the piezoelectric element 140 is disposed at the center of the panel 120, the vibration of the piezoelectric element 140 is evenly transmitted to the entire panel 120, and even when the user touches the ear to various positions of the panel 120, the voice is recognized. be able to. Similar to the above-described embodiment, a plurality of piezoelectric elements may be mounted.
- the panel 120 detects contact of a finger, a pen, a stylus pen, or the like with respect to the touch panel.
- the touch panel detection method may be any method such as a capacitance method, a resistance film method, a surface acoustic wave method (or an ultrasonic method), an infrared method, an electromagnetic induction method, and a load detection method.
- the panel 120 may be a protective panel for protecting the display unit 130.
- the material of the panel 120 is made of, for example, glass or synthetic resin, and may be a plate-like body.
- the joining member 150 when the panel 120 shown in FIG. 8A is stationary, the joining member 150 is tensilely deformed by the tensile load of the display unit 130, and the panel 120 is moved from this state.
- the joining member 150 can be freely displaced as the space portion Sp is provided on the back side of the panel 120 as shown in FIG. 150 is difficult to reach the compression limit. Therefore, the physical space in which the panel 120 is curved and deformed is not taken away by the presence of the bonding member 150, and the degree of freedom of deformation in the thickness direction of the panel 120 (particularly in the direction toward the display unit 130) can be increased.
- the amplitude when the panel 120 vibrates can be earned.
- the height (thickness) of the joining member 150 does not need to be increased, and the apparatus does not increase in size.
- the degree of freedom of deformation of the panel 120 in the thickness direction can be increased.
- the display unit 130 is a display device such as a liquid crystal display, an organic EL display, or an inorganic EL display.
- the piezoelectric element 140 is an element that expands and contracts according to the electromechanical coupling coefficient of the constituent material when a voltage is applied.
- the piezoelectric element 140 may be a unimorph, bimorph, or multilayer piezoelectric element.
- the stacked piezoelectric element includes a stacked bimorph element in which bimorphs are stacked (for example, 16 layers or 24 layers are stacked).
- a laminated piezoelectric element it is composed of a laminated structure of a plurality of dielectric layers made of, for example, PZT (lead zirconate titanate) and electrode layers arranged between the dielectric layers.
- the bonding member 150 is an adhesive or double-sided tape having thermosetting property or ultraviolet curable property.
- an optical elastic resin which is a colorless and transparent acrylic ultraviolet curable adhesive may be used.
- the cellular phone 100 having the above configuration can transmit sound to the user even if a part of the user's body comes into contact with the panel 120 that vibrates due to the expansion and contraction of the piezoelectric element 140.
- the piezoelectric element 140 expands and contracts (curves) in the longitudinal direction based on, for example, an electric signal output from a control unit (not shown). Since the piezoelectric element 140 is attached to the panel 120 by the bonding member 150, the panel 120 vibrates as the piezoelectric element 140 expands and contracts. The panel 120 vibrates not only in the attachment region to which the piezoelectric element 140 is attached, but also in a region away from the attachment region. At a certain moment, the panel 120 vibrates in such a manner that a portion having a relatively large vibration amplitude and a portion having a relatively small vibration amplitude are randomly distributed throughout the panel. That is, vibrations of a plurality of waves are detected over the entire panel.
- the mobile phone 100 generates a vibration in a panel such as a cover panel that protects the touch panel or the display unit by applying a predetermined electrical signal (audio signal) to the piezoelectric element, and is used for the panel that has been vibrated.
- a sound can be transmitted to the user by contacting a part of the person's body (for example, cartilage of the outer ear).
- the output sound from the panel of the mobile phone 100 is the voice of the other party, the incoming melody or music including music.
- the music may be played based on music data stored in an internal memory, or music data stored in an external server or the like may be played back via a network.
- the amplifier may be controlled to amplify only the low sound range.
- a dynamic speaker may be provided separately.
- the sound outlet of the dynamic speaker may be closed by a waterproof sheet that allows gas to pass but not liquid, such as Gore-Tex (trademark).
- Piezoelectric element vibrates not only the attachment area of the panel where the piezoelectric element is attached, but also the area away from the attachment area of the panel. Therefore, the user can hear the sound by touching the ear to an arbitrary position on the panel.
- the user can attach an electronic device having a panel that is almost the same size as the user's ear or larger than the user's ear to the entire ear. By making contact so as to be covered, it is possible to hear the sound output from the electronic device while reducing ambient sound (noise) from entering the ear canal.
- the panel may oscillate in a wider region than a region having a length corresponding to the distance from the earring to the tragus and the antitragus and a width corresponding to the distance from the earring leg to the antitragus.
- the average ear size can be found, for example, by referring to the Japanese human body size database (1992-1994) created by the Human Life Engineering Research Center (HQL). In general, if a panel is made with the size of Japanese ears as a guide, it can be applied to foreigners.
- the mobile phone 100 described above can transmit sound to the user by vibration through a part of the user's body (for example, cartilage of the outer ear). There is little sound transmitted to. Therefore, it is suitable for listening to a recorded message on a train or the like.
- the mobile phone 100 transmits sound by the vibration of the panel 120, for example, even if the user wears an earphone or a headphone, the user can contact the electronic device with the earphone or the headphone. You can hear sound through your body part.
- the display unit 130 and the piezoelectric element 140 are arranged side by side in a direction parallel to the inner surface of the panel 120. Since the display unit 130 is attached to the panel 120, the rigidity of the lower part of the panel 120 (lower side in FIG. 8) increases, and the vibration of the upper part of the panel 120 to which the piezoelectric element 140 is attached (upper side in FIG. 8). Can be vibrated greatly in comparison with the lower part of the panel 120. Therefore, it is possible to efficiently transmit the vibration of the panel 120 to the user.
- the voltage applied to the piezoelectric element is higher than the voltage applied to the piezoelectric element mounted on a normal so-called panel speaker. Should be set higher.
- the support structure for the panel housing is greatly different.
- a panel speaker disclosed in Japanese Patent Application Publication No. 2010-1114866, it is supported by a casing at both ends in the longitudinal direction so that the entire panel moves integrally up and down in the thickness direction of the panel.
- the mobile phone 100 has a structure in which the entire outer periphery of the panel 120 is supported by being bonded to the casing 110 by the joining member 150.
- the panel 120 of the mobile phone 100 is firmly fixed to the housing as compared with the panel speaker panel described in the above document. Therefore, the voltage applied to the piezoelectric element 140 of the mobile phone 100 is higher than the voltage applied to the piezoelectric element mounted on a normal so-called panel speaker.
- FIG. 9 is a diagram showing a modification of another electronic apparatus to which the present invention can be applied.
- 9 (a) is a front view
- FIG. 9 (b) is a cross-sectional view taken along the line bb in FIG. 9 (a)
- FIG. 9 (c) is taken along the line cc in FIG. 9 (a). It is sectional drawing.
- an intermediate member 160 may be disposed between the piezoelectric element 140 and the panel 120.
- the piezoelectric element 140 and the intermediate member 160 may be bonded by the bonding member 150
- the intermediate member 160 and the panel 120 may be bonded by the bonding member 150.
- the joining member 150 may be the above-described various adhesives or double-sided tape.
- the intermediate member 160 is, for example, a resin plate, a sheet metal, or a resin plate containing glass fiber.
- the piezoelectric element is attached to the panel, but may be attached to a location different from the panel.
- the piezoelectric element may be attached to a battery lid that is attached to the housing and covers the battery. Since the battery lid is often attached to a surface different from the panel in the mobile phone, according to such a configuration, the user listens to the sound by touching a part of the body (for example, an ear) to a surface different from the panel. Can do.
- Electronic devices that transmit sound to the user through a part of the user's body are conducted through the part of the user's body that contacts the vibrating panel. It is also possible to transmit to the user both the sound to be heard (human body conduction sound) and the vibration of the air in the vicinity of the panel (air conduction sound) caused by the vibration of the panel.
- the present invention can be applied not only to mobile phone terminals but also to various electronic devices (game terminals, tablet PCs, car navigation systems, etc.) provided with a panel constituting the appearance of the display unit display unit.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Position Input By Displaying (AREA)
Abstract
Description
3 タッチパネル
5 入力装置本体
7 筐体
9 上部筐体
10 下部筐体
13 クッション部材
15、16 振動部
18 表示部
22 基板
24 シール部材
Claims (2)
- パネルと、
前記パネルを振動させる振動部と、
前記パネルの裏面側に隣接して配置された表示部と、を備え、
前記表示部を、該表示部の周縁部全周に沿って配置された可撓性部材を介して前記パネルに対して吊り下げ保持したことを特徴とする電子機器。 - 前記パネルは、利用者の耳全体を覆うことができる程度の大きさである
請求項1に記載の電子機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/000,140 US9740288B2 (en) | 2011-02-18 | 2012-02-17 | Electronic device |
JP2012557850A JP5635633B2 (ja) | 2011-02-18 | 2012-02-17 | 電子機器 |
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JP2011-033947 | 2011-02-18 | ||
JP2011033947 | 2011-02-18 |
Publications (1)
Publication Number | Publication Date |
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WO2012111349A1 true WO2012111349A1 (ja) | 2012-08-23 |
Family
ID=46672293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/001081 WO2012111349A1 (ja) | 2011-02-18 | 2012-02-17 | 電子機器 |
Country Status (3)
Country | Link |
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US (1) | US9740288B2 (ja) |
JP (2) | JP5919025B2 (ja) |
WO (1) | WO2012111349A1 (ja) |
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Also Published As
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JPWO2012111349A1 (ja) | 2014-07-03 |
JP2012185814A (ja) | 2012-09-27 |
JP5919025B2 (ja) | 2016-05-18 |
US9740288B2 (en) | 2017-08-22 |
JP5635633B2 (ja) | 2014-12-03 |
US20130321321A1 (en) | 2013-12-05 |
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