WO2015115608A1 - 複合電子機器,スピーカーカートリッジおよび電子機器 - Google Patents
複合電子機器,スピーカーカートリッジおよび電子機器 Download PDFInfo
- Publication number
- WO2015115608A1 WO2015115608A1 PCT/JP2015/052715 JP2015052715W WO2015115608A1 WO 2015115608 A1 WO2015115608 A1 WO 2015115608A1 JP 2015052715 W JP2015052715 W JP 2015052715W WO 2015115608 A1 WO2015115608 A1 WO 2015115608A1
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- WIPO (PCT)
- Prior art keywords
- housing
- electronic device
- space
- opening
- speaker cartridge
- Prior art date
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Images
Classifications
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
Definitions
- the present invention relates to a composite electronic device, a speaker cartridge, and an electronic device.
- the diaphragm is disposed inside the casing of the electronic device and is surrounded by the casing of the electronic device.
- the sound generated from the diaphragm is reflected inside the housing of the electronic device to cause resonance, so that the sound quality of the sound radiated from the electronic device to the outside largely depends on the structure inside the housing of the complicated electronic device. It had been.
- the present invention has been devised in view of such problems in the prior art, and an object of the present invention is to provide a composite electronic device that can easily generate high-quality sound, a speaker cartridge used therefor, and To provide electronic equipment.
- the composite electronic device of the present invention includes an electronic device and a speaker cartridge that is detachably connected to the electronic device.
- the speaker cartridge includes a vibrating body, and an exciter attached to the vibrating body. And a first housing that surrounds and accommodates the vibrating body, and a first connector that is electrically connected to the exciter, the vibrating bodies being surfaces opposite to each other.
- a first space having a first main surface and a second main surface, surrounded by the first main surface of the vibrating body and the first housing; and the second main surface of the vibrating body;
- a second space surrounded by the first casing, and the electronic device includes an electronic circuit, a second connector connected to the electronic circuit, and a second casing.
- the second housing has a third space inside, and the first connector and the second connector Are connected to each other, and the exciter and the electronic circuit are electrically connected to each other, and a first opening is provided in a portion of the first housing that is in contact with the first space. And the external space are connected via the first opening, and a second opening is provided in a portion of the first casing that contacts the second space, and the second space and the third space are provided. Are connected through the second opening.
- the speaker cartridge according to the present invention includes a vibrating body, an exciter attached to the vibrating body, a first housing that surrounds and accommodates the vibrating body, and a first electrically connected to the exciter.
- the vibration body has a first main surface and a second main surface which are opposite surfaces, and the first main surface and the first housing of the vibration body.
- the electronic device of the present invention includes an electronic circuit, a second connector connected to the electronic circuit, and a second housing, and the second housing is in a third space provided inside. And a third opening in contact with the third space.
- the composite electronic device of the present invention can easily generate high-quality sound.
- the speaker cartridge of the present invention can easily realize a composite electronic device that generates high-quality sound.
- the electronic device of the present invention can easily realize a composite electronic device that generates high-quality sound.
- FIG. 1 is a perspective view schematically showing a speaker cartridge according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AB of FIG. It is the top view seen from the + z direction which shows the state which removed the panel 17 of the speaker cartridge of 1st Embodiment of this invention typically. It is the top view seen from the + z direction which shows the state which removed the panel 17 and the spacer 15 of the speaker cartridge of 1st Embodiment of this invention.
- FIG. 3 is a plan view schematically showing the speaker cartridge of the first embodiment of the present invention as viewed from the ⁇ z direction.
- FIG. 3 is a plan view seen from the ⁇ z direction schematically showing a state in which the panel 18 of the speaker cartridge according to the first embodiment of the present invention is removed.
- FIG. 3 is a plan view seen from the ⁇ z direction schematically showing a state in which the panel 18, the spacer 16 and the resin layer 13 of the speaker cartridge according to the first embodiment of the present invention are removed. It is a perspective view which shows typically the speaker cartridge of 2nd Embodiment of this invention. It is a top view which shows typically the speaker cartridge of 2nd Embodiment of this invention. It is a perspective view which shows typically the speaker cartridge of 3rd Embodiment of this invention.
- FIG. 1 is a perspective view schematically showing a speaker cartridge according to a first embodiment of the present invention.
- 2 is a cross-sectional view taken along the line AB of FIG. 3 and 4 are plan views schematically showing the speaker cartridge according to the first embodiment of the present invention as viewed from the + z direction.
- 3 shows a state in which the panel 17 is removed
- FIG. 4 shows a state in which the panel 17 and the spacer 15 are removed.
- 5 to 7 are plan views schematically showing the speaker cartridge according to the first embodiment of the present invention as seen from the -z direction. 6 shows a state where the panel 18 is removed
- FIG. 7 shows a state where the panel 18, the spacer 16 and the resin layer 13 are removed.
- the speaker cartridge of this embodiment includes an exciter 11, a film 12, a resin layer 13, a frame 14a and a frame 14b, a spacer 15 and a spacer 16, a panel 17 and a panel. 18 and a first connector 20.
- the frame 14a and the frame 14b each have a rectangular frame shape.
- a stainless steel frame having a thickness of 100 to 1000 ⁇ m can be suitably used as the frame 14a and the frame 14b, but the material and thickness are not particularly limited, and are less likely to be deformed than the film 12 and the resin layer 13. Anything is fine.
- the frame 14a and the frame 14b can be formed using hard resin, plastic, engineering plastic, ceramics, or the like.
- the film 12 has a film shape (thin plate shape), and can be formed using a resin such as PET (polyethylene terephthalate) or polyimide.
- the thickness of the film 12 is, for example, 10 to 200 ⁇ m.
- the film 12 is sandwiched between the frame 14a and the frame 14b at the peripheral portions of the upper and lower main surfaces (both end surfaces in the z-axis direction) while being tensioned in the plane direction (x-axis direction and y-axis direction). Are supported by the frame 14a and the frame 14b so as to vibrate.
- the vibrating body 12a which can vibrate freely is comprised by the part which is located in the inside of the flame
- the vibrating body 12a includes a first main surface 12b that is a surface on the + z direction side and a second main surface 12c that is a surface on the ⁇ z direction side.
- the shape of the frame 14a and the frame 14b is not limited to a rectangular shape, and may be a circle or a rhombus. If the frame 14b is not provided, for example, the film 12 may be bonded to the surface of the frame 14a in the + z direction. If the frame 14a is not provided, for example, the ⁇ 14 direction of the frame 14b is used. What is necessary is just to adhere
- the vibrating body 12a may be a flat shape (a shape having a small thickness and a large area), that is, a thin plate shape or a film shape, the vibrating body 12a is vibrated by a thin plate metal or paper instead of the film 12.
- the body 12a can be configured.
- the exciter 11 is attached to the second main surface 12c of the vibrating body 12a and is integrated with the vibrating body 12a.
- the exciter 11 is a piezoelectric element having a plate shape whose upper and lower main surfaces (both end surfaces in the z-axis direction) are rectangular.
- the exciter 11 includes a laminated body in which piezoelectric layers made of piezoelectric ceramics and internal electrode layers are alternately laminated, and upper and lower surfaces (both end surfaces in the z-axis direction) of the laminated body. And a pair of terminal electrodes respectively provided on both end faces in the longitudinal direction (x-axis direction) of the laminate.
- the surface electrode and the internal electrode layer are alternately drawn out to both end faces in the longitudinal direction (x-axis direction) of the laminate, and are connected to the terminal electrodes, respectively. Then, an electrical signal is applied to the pair of terminal electrodes via a wiring (not shown).
- the exciter 11 is a bimorph type piezoelectric element, and when an electric signal is input, expansion and contraction are reversed between one side and the other side in the thickness direction (z-axis direction) at an arbitrary moment. Has been. Therefore, the exciter 11 bends and vibrates in the z-axis direction when an electric signal is input, and vibrates the vibrating body 12a by vibrating itself. Then, sound is generated when the vibrating body 12a vibrates.
- the exciter 11 for example, a monomorph type vibration element configured by bonding a piezoelectric element that receives an electric signal to stretch and vibrate and a metal plate may be used. Further, the main surface on the film 12 side of the exciter 11 and the film 12 are bonded by, for example, a known adhesive such as epoxy resin, silicone resin, polyester resin, double-sided tape, or the like.
- the resin layer 13 is formed over the entire inside of the frame 14 a so as to embed the exciter 11, and is integrated with the vibrating body 12 a and the exciter 11.
- the resin layer 13 can be formed using various known materials. For example, a resin such as an acrylic resin or a silicone resin, rubber, or the like can be used.
- the thickness of the resin layer 13 is preferably a thickness that completely covers the exciter 11, but may be formed so as to cover at least a part of the film 12.
- the resin layer 13 has an effect of improving the sound quality of sound generated from the speaker cartridge, but is not essential and may be omitted depending on circumstances.
- the spacer 16 is joined to the surface in the ⁇ z direction of the frame 14a.
- the spacer 16 has the same shape (rectangular frame shape) as the frame 14a, and has the same dimensions as the frame 14a except that the thickness (dimension in the z-axis direction) is large.
- the spacer 15 is joined to the surface in the + z direction of the frame 14b.
- the spacer 15 has a shape obtained by removing one side in the + x direction from the same rectangular frame shape as that of the frame 14b, that is, a shape like an alphabet “U”.
- the panel 17 has a rectangular flat plate shape, and the peripheral edge of the main surface on the ⁇ z direction side is joined to the surface on the + z direction side of the spacer 15.
- the first space 21a is formed by the first main surface 12b of the vibrating body 12a, the frame 14b, the spacer 15, and the panel 17.
- a rectangular first opening 22 surrounded by the frame 14b, the spacer 15, and the panel 17 is formed at the end of the first space 21a on the + x direction side. The space is connected via the first opening 22.
- the panel 18 has a rectangular flat plate shape, and the peripheral edge of the main surface on the + z direction side is joined to the surface of the spacer 16 on the ⁇ z direction side.
- a second space 21b is formed by the second main surface 12c of the vibrating body 12a, the frame 14a, the spacer 16, and the panel 18. Further, a plurality of through holes 23 are formed in a row in a portion of the panel 18 closer to the ⁇ x direction side. A plurality of through holes 23 constitute a second opening connected to the second space 21b.
- the first housing that surrounds the vibrating body 12a by the portion of the film 12 sandwiched between the frame 14a and the frame 14b, the frame 14a and the frame 14b, the spacer 15 and the spacer 16, and the panel 17 and the panel 18. 10 is configured.
- the first housing 10 has a rectangular parallelepiped box shape.
- spacers 15 and 16, and panels 17 and 18 can be formed using various materials such as resin, metal, ceramics, glass, and wood.
- the spacer 15, the spacer 16, the panel 17 and the panel 18 are not limited to a rectangular shape, as long as they have a function of forming the first space 21a and the second space 21b together with the vibrating body 12a.
- other shapes such as a hexagonal shape and an elliptical shape may be used.
- the first connector 20 is attached to the end of the first housing 10 on the ⁇ x direction side, and is connected to the exciter 11 by a wiring (not shown).
- the connector provided in the electronic device and the first connector 20 are connected, whereby the speaker cartridge and the electronic device are electrically connected.
- the first connector 20 only needs to have a function of electrically connecting the speaker cartridge and the electronic device, and various known connectors can be used as the first connector 20.
- the first housing 10 is provided with a joint portion 34.
- the joint portion 34 is provided at an end portion on the ⁇ x direction side of the first housing 10 and has a rod-like shape in which an end portion in the ⁇ x direction is swollen.
- the joining part 34 is used for joining the first housing 10 to the electronic device in a detachable manner.
- the sound generated on the first main surface 12 b side of the vibrating body 12 a resonates in the first space 21 a and is directly radiated to the outside of the electronic device through the first opening 22.
- the opposite phase sound generated on the second main surface 12 c side of the vibrating body 12 a is radiated to the internal space of the electronic device through the second opening formed by the plurality of through holes 23.
- the speaker cartridge of the present embodiment includes the first housing 10 that surrounds the vibrating body 12a and forms a resonance space. Therefore, the shape and material of the housing of the electronic device, the housing of the electronic device, and the like.
- the acoustic design can be made only by the shape and material of the vibrating body 12a and the first housing 10 without being substantially affected by the arrangement, shape, material, and the like of various components arranged inside the body.
- casing 10 may be low intensity
- the 1st opening 22 which connects the space outside an electronic device and the 1st space 21a is formed in the 1st housing
- the high quality sound generated on the 1st main surface 12b side of the vibrating body 12a Can be radiated directly from the first opening 22 to a space outside the electronic device.
- the position, shape and size of the first opening 22 can also be determined by acoustic design.
- the sound generated on the second main surface 12c side of the vibrating body 12a is radiated to the inside of the electronic device through the second opening constituted by the plurality of through holes 23, whereby the first main surface 12b side. It is possible to prevent the sound generated in step 2 and the sound generated on the second main surface 12c side from being mixed and canceled in the external space.
- the second opening does not exist, it is necessary to increase the volume of the second space in order to prevent the air in the second space from acting as a spring and inhibiting the vibration of the vibrating body 12a. There arises a problem that the speaker cartridge is enlarged.
- the external space is a space outside the electronic device and the speaker cartridge, and means a space where a target to hear sound exists.
- a composite electronic device that generates high-quality sound can be easily realized simply by inserting a speaker cartridge into the slot of the electronic device and electrically connecting it. Also, by preparing a plurality of speaker cartridges having different acoustic designs and different sound quality of the generated sound, and replacing them, the sound quality of the sound generated from the composite electronic device can be easily changed.
- a speaker cartridge and an electronic device that are detachably connected are referred to as a composite electronic device. Details of the composite electronic device will be described in the fourth to eighth embodiments.
- the speaker cartridge according to the present embodiment includes a vibrating body 12a, an exciter 11, a first housing 10, and a first connector 20.
- the exciter 11 is attached to the vibrating body 12a.
- the first housing 10 surrounds the vibrating body 12a and is accommodated therein.
- the first connector 20 is electrically connected to the exciter 11.
- the vibrating body 12a has a first main surface 12b and a second main surface 12c which are surfaces opposite to each other.
- the speaker cartridge of the present embodiment has a first space 21a, a second space 21b, a first opening 22, and a second opening.
- the first space 21 a is a space surrounded by the first main surface 12 b of the vibrating body 12 a and the first housing 10.
- the second space 21 b is a space surrounded by the second main surface 12 c of the vibrating body 12 a and the first housing 10.
- the first opening 22 is provided in a portion in contact with the first space 21 a in the first housing 10.
- the second opening is provided in a portion of the first housing 10 that is in contact with the second space 21b. Therefore, the first space 21a and the external space are connected via the first opening 22, and the second space 21b and the internal space of the electronic device are connected via the second opening.
- the speaker cartridge of the present embodiment can be manufactured as follows, for example. First, a binder, a dispersant, a plasticizer, and a solvent are added to the powder of the piezoelectric material and stirred to prepare a slurry. As the piezoelectric material, any of lead-based and non-lead-based materials can be used. Next, the obtained slurry is formed into a sheet shape to produce a green sheet. A conductor paste is printed on the green sheet to form a conductor pattern to be an internal electrode, and the green sheet on which the conductor pattern is formed is laminated to produce a laminated molded body.
- the laminated body can be obtained by degreasing, firing, and cutting into a predetermined dimension. If necessary, the outer periphery of the laminate is processed.
- a conductor paste is printed on the main surface in the stacking direction of the laminate to form a conductor pattern to be a surface electrode layer, and the conductor paste is printed on both side surfaces in the longitudinal direction (x-axis direction) of the stack.
- a conductor pattern to be a pair of terminal electrodes is formed.
- the structure used as the exciter 11 can be obtained by baking an electrode at predetermined temperature.
- the periphery of the film 12 in a tensioned state is fixed by being sandwiched between the frame 14a and the frame 14b coated with an adhesive, and the adhesive is cured and joined.
- the exciter 11 is bonded to the film 12 with an adhesive on the second main surface 12c of the vibrating body 12a, and wiring is connected to the exciter 11.
- a resin layer 13 is formed by pouring resin into the inside of the frame 14a and curing it.
- the first casing 10 is formed by joining the spacer 15 and the spacer 16 prepared in advance, the panel 17 and the panel 18 with an adhesive or an adhesive, and the first connector 20 is bonded to the first casing 10 with an adhesive or the like. And the first connector 20 and the exciter 11 are connected by a wiring (not shown). In this way, the speaker cartridge of this embodiment can be obtained.
- FIG. 8 is a perspective view schematically showing a speaker cartridge according to a second embodiment of the present invention.
- FIG. 9 is a plan view schematically showing the speaker cartridge according to the second embodiment of the present invention viewed from the + z direction, and shows a state in which the panel 17 is removed.
- differences from the speaker cartridge of the first embodiment described above will be described, and the same components will be denoted by the same reference numerals and redundant description will be omitted.
- the sound generator according to the present embodiment supports the center of the end of the panel 17 in the + x direction on the + z direction side surface of the frame 14 b in contact with the first opening 22.
- the first opening 22 is divided by the support 19 into an opening 22a and an opening 22b. That is, the first opening 22 is constituted by the opening 22a and the opening 22b.
- it is the same as the speaker cartridge of 1st Embodiment mentioned above.
- the speaker cartridge of this embodiment having such a configuration can also exhibit the same effects as the speaker cartridge of the first embodiment described above. Moreover, since the speaker cartridge of this embodiment has the support body 19, even when the intensity
- FIG. 10 is a perspective view schematically showing a speaker cartridge according to a third embodiment of the present invention.
- FIG. 11 is a perspective view schematically showing the speaker cartridge according to the third embodiment of the present invention, and shows a state where the reflector 24 is removed.
- FIG. 12 is a plan view schematically showing the speaker cartridge according to the third embodiment of the present invention as seen from the + z direction.
- differences from the speaker cartridge of the first embodiment described above will be described, and the same components will be denoted by the same reference numerals and redundant description will be omitted.
- a reflector 24 is joined to an end portion in the + x direction of the first housing 10 in which the first opening 22 is formed.
- One opening 22 is blocked. Instead, a notch is formed at the + x direction end of the panel 17, and a first opening 22 c is formed between the panel 17 and the reflector 24. Then, the external space and the first space 21a are connected by the first opening 22c.
- the insertion depth of the speaker cartridge into the electronic device may be reduced so that the first opening 22c protrudes from the + x direction end of the electronic device.
- the first opening 22c may be exposed to the outside of the electronic device by cutting out a portion covering the first opening 22c of the housing of the electronic device.
- the speaker cartridge of this embodiment having such a configuration can also exhibit the same effects as the speaker cartridge of the first embodiment described above. Further, since the speaker cartridge of the present embodiment includes the reflector 24 and the first opening 22c, the sound pressure on the + z direction side of the sound generated from the speaker cartridge is compared with the speaker cartridge of the first embodiment. Can be increased.
- FIG. 13 is the top view seen from the + z direction side which shows typically the composite electronic device of 4th Embodiment of this invention.
- FIG. 14 is a plan view schematically showing the composite electronic device according to the fourth embodiment of the present invention as seen from the + x direction side.
- FIG. 15 is a cross-sectional view schematically showing a part of the composite electronic device according to the fourth embodiment of the present invention.
- differences from the above-described second embodiment will be described, and the same constituent elements will be denoted by the same reference numerals and redundant description will be omitted.
- the composite electronic device of the present embodiment includes a speaker cartridge 26a and an electronic device 38a as shown in FIGS.
- the speaker cartridge 26a is the speaker cartridge of the second embodiment described above.
- the electronic device 38 a includes the second housing 25, the second connector 30, and the electronic circuit 60.
- the second casing 25 has a rectangular parallelepiped box-like outer shape, and a third space 31 surrounded by the second casing 25 is formed. Various parts including the electronic circuit 60 are accommodated in the third space 31.
- a second casing 25 can be formed using various materials such as resin, metal, ceramics, glass, and wood.
- the shape of the second housing 25 is not limited to a rectangular parallelepiped shape, and may be other various shapes such as a regular tetrahedron, a truncated cone, and a sphere.
- a slot 28 is formed at the end of the second casing 25 in the + x direction.
- the slot 28 a is a deep rectangular parallelepiped recess, and a second connector 30 and a joint 35 are provided in a portion of the second housing 25 located inside the slot 28 a.
- the second connector 30 is connected to the electronic circuit 60 by a wiring (not shown).
- the joint portion 35 is made of a material having high elasticity, and a concave portion into which an end portion on the ⁇ x direction side of the joint portion 34 is inserted is provided at an end portion on the + x direction side.
- the speaker cartridge 26a is inserted into the slot 28 from the + x direction side.
- the joining portion 34 of the speaker cartridge 26a is inserted and fitted into the joining portion 35 of the electronic device 38a, and thereby the speaker cartridge 26a is detachably joined to the electronic device 38a.
- the first connector 20 of the speaker cartridge 26a is connected to the second connector 30 of the electronic device 38a, whereby the electronic circuit 60 of the electronic device 38a and the exciter 11 of the speaker cartridge 26a are electrically connected. It is connected.
- the end of the speaker cartridge 26a on the + x direction side is exposed to the external space of the electronic device 38a through the opening of the slot 28a, and the first opening 22 (at the end of the speaker cartridge 26a on the + x direction side is provided.
- the openings 22a and 22b) are also exposed to the external space.
- the external space is a space outside the electronic device 38a and the speaker cartridge 26a, and means a space where there is a target to hear sound.
- the second housing 25 is provided with a third opening 32.
- the third opening 32 is provided in a portion of the second housing 25 that is in contact with the third space 31 and that faces the second opening (the plurality of through holes 23) of the speaker cartridge 26a. That is, the second opening of the speaker cartridge 26a and the third opening 32 of the electronic device 38a are arranged to face each other.
- the second space 21 b and the third space 31 are connected via the second opening (the plurality of through holes 23) and the third opening 32. Therefore, the sound generated on the second main surface 12 c side of the vibrating body 12 a is radiated to the third space 31 that is the internal space of the electronic device 38 through the second opening and the third opening 32.
- a sound insulation member 33 is provided on the outer surface of the second housing 25 so as to continuously surround the third opening 32.
- the sound insulation member 33 is made of a material having a smaller elastic modulus than the material constituting the first housing 10 and the second housing 25, and is easily deformed by an external force.
- the thickness of the sound insulating member 33 is larger than the distance generated between the first housing 10 and the second housing 25 when the speaker cartridge 26a is inserted into the slot 28a. Therefore, when the speaker cartridge 26 a is inserted into the slot 28 a, the sound insulating member 33 is deformed, and a gap between the first housing 10 and the second housing 25 is formed around the second opening and the third opening 32.
- the sound insulation member 33 is blocked. Therefore, it is possible to prevent the sound generated on the second main surface 12c side of the vibrating body 12a from leaking to the external space.
- Such a sound insulation member 33 can be configured using various known materials that are elastic and easily deformed, such as a rubber material such as urethane rubber and a soft resin material such as silicone resin. In particular, a porous rubber material such as urethane foam can be suitably used.
- the sound insulation member 33 can be joined to the second housing 25 using various known joining members such as an adhesive.
- the vibrating body 12a When an electric signal is supplied from the electronic circuit 60 to the exciter 11, the vibrating body 12a vibrates due to the vibration of the exciter 11, and sound is generated.
- the sound generated on the first main surface 12b side of the vibrating body 12a is radiated to the outside of the electronic device 38a from the first opening (the opening 22a and the opening 22b) of the speaker cartridge 26a.
- sound generated on the second main surface 12 c side of the vibrating body 12 a is radiated to the third space 31 through the second opening and the third opening 32.
- the composite electronic device of the present embodiment includes the electronic device 38a and the speaker cartridge 26a.
- the speaker cartridge 26a is detachably connected to the electronic device 38a.
- the speaker cartridge 26 a includes the vibrating body 12 a, the exciter 11, the first housing 10, and the first connector 20.
- the exciter 11 is attached to the vibrating body 12a.
- the first housing 10 surrounds the vibrating body 12a and is accommodated therein.
- the first connector 20 is electrically connected to the exciter 11.
- the vibrating body 12a has a first main surface 12b and a second main surface 12c which are surfaces opposite to each other.
- the composite electronic device of the present embodiment has a first space 21a and a second space 21b.
- the first space 21 a is a space surrounded by the first main surface 12 b of the vibrating body 12 a and the first housing 10.
- the second space 21 b is a space surrounded by the second main surface 12 c of the vibrating body 12 a and the first housing 10.
- the electronic device 38 a includes the electronic circuit 60, the second connector 30, and the second housing 25.
- the second connector 30 is connected to the electronic circuit 60.
- the electronic device 38 a has a third space 31 surrounded by the second housing 25.
- the first connector 20 and the second connector 30 are connected, and the exciter 11 and the electronic circuit 60 are electrically connected.
- a first opening 22 is provided in a portion of the first housing 10 that is in contact with the first space 21 a, and the first space 21 a and the external space are connected via the first opening 22.
- the 2nd opening is provided in the part which touches the 2nd space 21b in the 1st housing
- the material and the internal structure of the second housing 25 hardly affect the sound radiated from the first opening 22 to the external space. Can be generated. Further, the composite electronic device of the present embodiment can be reduced in size because the second space 21b can be reduced while suppressing deterioration in sound quality. In the composite electronic device of this embodiment, the sound quality of the generated sound can be easily changed by replacing the speaker cartridge 26a with a speaker cartridge having different acoustic characteristics.
- the sound insulation member 33 that blocks the second space 21 b and the third space 31 and the external space is provided between the first housing 10 and the second housing 25.
- the sound insulation member 33 is made of a material having a smaller elastic modulus than the material constituting the first housing 10 and the material constituting the second housing 25.
- a speaker cartridge is provided by providing at least one of the first housing 10 and the second housing 25 with a joining portion that detachably joins the first housing 10 to the second housing 25.
- 26a can be easily detachably connected to the electronic device 38a.
- the composite electronic device of the present embodiment includes a joint 34 and a joint 35 for detachably joining the first housing 10 to the second housing 25, and the joint 34 is the first housing 10.
- the joint portion 35 is provided in the second casing 25.
- the joint that detachably joins the first housing 10 to the second housing 25 may be provided in at least one of the first housing 10 and the second housing 25 depending on the shape thereof.
- the second housing 25 is provided with a slot 28a, and the speaker cartridge 26a is inserted into the slot 28a. Thereby, the external appearance of the composite electronic device can be improved.
- the second opening and the first connector 20 are located inside the slot 28, and the first opening 22 is outside with the speaker cartridge 26 inserted into the slot 28. It is exposed to the space. This eliminates the need for a sound conducting portion that connects the first opening 22 and the external space, and facilitates mechanical and electrical connection between the speaker cartridge 26a and the electronic device 38a. Connection reliability with the device 38a can also be improved.
- the first opening 22 may be covered with a mesh-like material such as a wire mesh that has a very small influence on sound.
- the first connector 20 is provided at the end of the first housing 10 in the first direction ( ⁇ x direction).
- the first opening 22 is provided at the end of the first housing 10 in the second direction (+ x direction).
- the joint portion 34 is provided in the first housing 10 of the speaker cartridge 26a. Therefore, the speaker cartridge 26a can be easily attached to and detached from the first housing 10.
- the electronic device 38 includes the electronic circuit 60, the second connector 30 connected to the electronic circuit 60, and the second housing 25.
- the electronic device 38 has a third space 31 and a third opening 32.
- the third space 31 is a space surrounded by the second housing 25.
- the third opening 32 is provided in a portion in contact with the third space 31 in the second housing 25.
- the sound insulating member 33 surrounding the third opening is provided in the second housing 25, and the sound insulating member 33 has an elastic modulus higher than that of the material constituting the second housing 25. Is made of a small material. Thereby, when the speaker cartridge 26a is attached to the electronic device 38a, it is possible to prevent sound generated on the second main surface 12c side of the vibrating body 12a from leaking to the external space.
- the electronic device 38 a is provided with the joint portion 35 in the second housing 25. Thereby, it is easy to detachably connect the speaker cartridge 26a to the electronic device 38a.
- the composite electronic device of the present embodiment may have other various configurations and functions.
- an antenna or a communication circuit may be provided and a communication function may be provided.
- the image processing circuit and the display device may be included and a function of displaying a moving image or a still image may be provided.
- it may have an arithmetic circuit, an input device, an output device, etc., and may have a function of executing a commanded process and displaying the result.
- the composite electronic device of the present embodiment may be a television, radio, audio device, personal computer, tablet terminal, or the like.
- the composite electronic device of the present embodiment may be various electronic devices such as a vacuum cleaner, a washing machine, a refrigerator, and a microwave oven that have a function of generating sound and sound.
- FIG. 16 is a plan view schematically showing the composite electronic device according to the fifth embodiment of the present invention when viewed from the + z direction side.
- the same components will be denoted by the same reference numerals and redundant description will be omitted.
- the composite electronic device of the present embodiment includes an electronic device 38b, a speaker cartridge 26a, and a speaker cartridge 26b.
- the electronic device 38b has the same structure as the electronic device 38a in the fourth embodiment described above except that it further includes a slot 28b.
- the speaker cartridge 26b is the same as the speaker cartridge 26a, and is rotated 180 degrees around the z axis.
- the slot 28b has the same structure as the slot 28a and is rotated 180 ° around the z-axis.
- the speaker cartridge 26b is inserted into the slot 28b.
- the slot 28b is formed at the end of the second housing 25 in the ⁇ x direction, and the speaker cartridge 26b is inserted from the ⁇ x direction side.
- the first connector 20 of the speaker cartridge 26b is connected to the second connector 30 provided inside the slot 28b.
- the end of the speaker cartridge 26b on the ⁇ x direction side is exposed to the outside of the electronic device 38b through the opening of the slot 28b, and the first opening (on the ⁇ x direction end of the speaker cartridge 26b ( The openings 22a and 22b) are also exposed to the outside of the electronic device 38b.
- the second connector 30 provided in the slot 28b is also connected to the electronic circuit 60 by wiring (not shown).
- the electric signal from the electronic circuit 60 is also supplied to the exciter 11 of the speaker cartridge 26b, and the sound generated on the second main surface 12c side of the vibrating body 12a is transmitted to the first opening (the opening 22a and the opening of the speaker cartridge 26b). Radiated from the opening 22b) to the external space.
- the composite electronic device of the present embodiment having such a configuration includes a speaker cartridge 26a disposed at the end in the + x direction of the electronic device 38b and a speaker cartridge 26b disposed at the end in the ⁇ x direction of the electronic device 38b. Sound can be generated from both. As a result, stereo reproduction is possible, and sound with a great presence can be generated.
- FIG. 17 is the top view seen from the + z direction side which shows typically the composite electronic device of 6th Embodiment of this invention.
- differences from the above-described composite electronic device of the fourth embodiment will be described, and the same components will be denoted by the same reference numerals and redundant description will be omitted.
- the composite electronic device of the present embodiment includes an electronic device 38c and a speaker cartridge 26c as shown in FIG.
- the speaker cartridge 26c is the speaker cartridge of the third embodiment described above.
- the electronic device 38c has the same structure as the electronic device 38a in the fourth embodiment described above, except that the notch 27a is formed on the + z direction side of the end of the second housing 25 in the + x direction. is doing.
- the speaker cartridge 26c is inserted into the slot 28a of the electronic device 38c.
- the first opening 22c of the speaker cartridge 26c is exposed to the outside of the electronic device 38c through the notch 27a.
- the speaker cartridge 26c is inserted into the slot 28a from the + x direction side.
- the first connector 20 of the speaker cartridge 26c is connected to the second connector 30 provided inside the slot 28a. Then, an electrical signal from the electronic circuit 60 is supplied to the exciter 11 of the speaker cartridge 26c, and sound generated on the first main surface 12b side of the vibrating body 12a is radiated from the first opening 22c of the speaker cartridge 26c to the external space. Is done.
- the first opening 22c of the speaker cartridge 26c is exposed on the surface of the electronic device 38c on the + z direction side, so that + z of sound generated from the composite electronic device is obtained.
- the sound pressure on the direction side can be increased.
- the present invention is not limited to this.
- the insertion depth of the speaker cartridge 26c into the slot 28a may be reduced so that the first opening 22c protrudes from the + x direction end of the electronic device 38c.
- FIG. 18 is the top view seen from the + z direction side which shows typically the composite electronic device of 7th Embodiment of this invention.
- differences from the above-described composite electronic device of the sixth embodiment will be described, and the same components will be denoted by the same reference numerals and redundant description will be omitted.
- the composite electronic device of the present embodiment includes an electronic device 38d, a speaker cartridge 26c, and a speaker cartridge 26d.
- the electronic device 38d has the same structure as the electronic device 38c in the sixth embodiment described above, except that the electronic device 38d further includes a slot 28b and a notch 27b.
- the speaker cartridge 26d is the same as the speaker cartridge 26c, and is rotated 180 ° around the z-axis.
- the slot 28b has the same structure as the slot 28a and is rotated 180 ° around the z-axis.
- a speaker cartridge 26d is inserted into the slot 28b.
- the notch 27b is formed on the + z direction side of the end in the ⁇ x direction of the second housing 25, and the first opening 22c of the speaker cartridge 26d is exposed to the external space through the notch 27b. ing.
- the speaker cartridge 26d is inserted into the slot 28b from the -x direction side.
- the first connector 20 of the speaker cartridge 26d is connected to the second connector 30 provided inside the slot 28b.
- the electric signal from the electronic circuit 60 is also supplied to the exciter 11 of the speaker cartridge 26d, and the sound generated on the first main surface 12b side of the vibrating body 12a is transmitted from the first opening 22c of the speaker cartridge 26d to the external space. Radiated.
- the composite electronic device of this embodiment having such a configuration generates sound from both the speaker cartridge 26c disposed at the end in the + x direction and the speaker cartridge 26d disposed at the end in the ⁇ x direction. Can be made. As a result, stereo reproduction is possible, and sound with a great presence can be generated.
- FIG. 19 is a plan view schematically showing the composite electronic device according to the eighth embodiment of the present invention as seen from the + z direction side.
- FIG. 20 is a cross-sectional view schematically showing a part of the composite electronic device according to the eighth embodiment of the present invention.
- the composite electronic device of the present embodiment includes an electronic device 38e and a speaker cartridge 26e.
- the electronic device 38e has almost the same structure as the electronic device 38a.
- the electronic device 38e differs from the electronic device 38a in that it has a recess 29 instead of the slot 28a, the position of the second connector 30 and the joint 35, and the absence of the sound insulation member 33, Only.
- the recess 29 is provided on the + z direction side of the end of the second housing 25 of the electronic device 38e on the x axis direction side.
- the second connector 30 and the joint portion 35 are disposed on the surface on the + z direction side of the portion of the second housing 25 where the recess 29 is formed.
- the speaker cartridge 26e has almost the same structure as the speaker cartridge 26a.
- the only difference between the speaker cartridge 26e and the speaker cartridge 26a is that the speaker cartridge 26e has a sound insulating member 37 and the positions of the first connector 20 and the joint portion 34.
- the joint 34 and the first connector 20 are disposed on the surface of the first housing 10 on the ⁇ z direction side.
- the sound insulation member 37 is provided on the surface of the first housing 10 on the ⁇ z direction side so as to surround the second opening formed by the plurality of through holes 23.
- the sound insulation member 37 has the same shape and material as the sound insulation member 33 described above, and exhibits the same effect as the sound insulation member 33.
- the speaker cartridge 26e is fitted into the electronic device 38e recess 29 from the + x direction side.
- the joint 34 of the speaker cartridge 26e is joined to the joint 35 provided in the recess 29, and the first connector 20 of the speaker cartridge 26e is connected to the second connector 30 provided in the recess 29. Yes.
- an electrical signal from the electronic circuit 60 is supplied to the exciter 11 of the speaker cartridge 26e, and the sound generated on the first main surface 12b side of the vibrating body 12a is transmitted to the first opening (openings 22a and b) of the speaker cartridge 26e. Radiated from the opening 22b) to the external space.
- the composite electronic device of the present embodiment also functions in the same manner as the composite electronic device of the fourth embodiment described above.
- a recess 29 is provided in the second housing 25 of the electronic device 38e, and at least a part of the first housing 10 of the speaker cartridge 26e is fitted in the recess 29.
- the sound insulation member 37 surrounding the second opening of the speaker cartridge 26 e is provided in the first housing 10, and the sound insulation member 37 has an elastic modulus higher than that of the material constituting the first housing 10. It is constructed using small materials. Thereby, when the speaker cartridge 26e is attached to the electronic device 38e, the sound generated on the second main surface 12c side of the vibrating body 12a can be prevented from leaking to the external space.
- the exciter 11 only needs to have a function of converting an electrical signal into mechanical vibration, and another one having a function of converting an electrical signal into mechanical vibration may be used as the exciter 11.
- an electrodynamic exciter, an electrostatic exciter, or an electromagnetic exciter well known as an exciter for vibrating a speaker may be used as the exciter 11.
- the electrodynamic exciter is such that an electric current is passed through a coil disposed between the magnetic poles of a permanent magnet to vibrate the coil.
- the electrostatic exciter is composed of two metals facing each other. A bias and an electric signal are passed through the plate to vibrate the metal plate, and an electromagnetic exciter is an electric signal that is passed through the coil to vibrate a thin iron plate.
- the composite electronic device of the fifth embodiment shown in FIG. 16 was produced and its characteristics were evaluated.
- a slurry was prepared by kneading a piezoelectric powder containing lead zirconate titanate (PZT) in which a part of Zr was substituted with Sb, a binder, a dispersant, a plasticizer, and a solvent by ball mill mixing. .
- the green sheet was produced by the doctor blade method using the obtained slurry.
- a conductor paste containing Ag and Pd was applied to the green sheet in a predetermined shape by screen printing to form a conductor pattern serving as an internal electrode layer.
- both end surfaces in the longitudinal direction of the obtained laminate were cut by dicing, and the tips of the internal electrode layers were exposed on the side surfaces of the laminate.
- the conductor paste containing Ag and glass was apply
- a conductor paste containing Ag and glass was applied to both side surfaces in the longitudinal direction of the laminate by a dipping method, and baked in the atmosphere at 700 ° C. for 10 minutes to form terminal electrodes.
- the shape of the produced laminate was 14 mm in width, 36 mm in length, and 0.1 mm in thickness.
- polarization was performed by applying a voltage of 100 V through the terminal electrode for 2 minutes to obtain an exciter 11 which is a bimorph type stacked piezoelectric element.
- a film 12 made of PET having a thickness of 25 ⁇ m was prepared, and fixed to the frame 14a and the frame 14b in a state where tension was applied.
- the frame 14a was 0.3 mm thick
- the frame 14b was made of stainless steel having a thickness of 0.5 mm.
- the film 12 inside the frame 14a and the frame 14b had a length of 60 mm and a width of 30 mm.
- the exciter 11 was adhere
- an acrylic resin was filled inside the frame 14a so as to be the same height as the frame 14a and solidified to form the resin layer 13.
- the first casing 10 was formed using the spacer 15, the spacer 16, the panel 17 and the panel 18 prepared in advance.
- the spacer 15 and the spacer 16 were formed using stainless steel having a thickness of 1 mm.
- Panel 17 and panel 18 were formed using an acrylic plate having a thickness of 1 mm.
- the plurality of through holes 23 formed in the panel 18 were each circular with a diameter of 1 mm.
- the outer shape of the first housing 10 was a rectangular parallelepiped shape having a length of 65 mm and a width of 35 mm. Double-sided tape was used for joining the frame 14a, the frame 14b, the spacer 15, the spacer 16, the panel 17 and the panel 18. Thus, the speaker cartridge 26a and the speaker cartridge 26b were produced.
- the second casing 25 of the electronic device 38b shown in FIG. 16 is formed using an acrylic plate, the speaker cartridge 26a is inserted into the slot 28a formed in the second casing 25, and the speaker cartridge 26b is inserted into the slot 28b. Inserted.
- the shape of the second housing 25 was a rectangular parallelepiped shape having a length of 260 mm, a width of 180 mm, and a thickness of 10 mm. Double-sided tape was used for joining the acrylic plates.
- the horizontal axis indicates the frequency
- the vertical axis indicates the sound pressure level. According to the graph shown in FIG. 21, it can be seen that the sound pressure level is high over a wide frequency range, the frequency characteristics of the sound pressure level are flat, and the sound quality is excellent with little distortion. This confirmed the effectiveness of the present invention.
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- Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
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- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
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Abstract
Description
図1は、本発明の第1実施形態のスピーカーカートリッジを模式的に示す斜視図である。図2は、図1のA-B線断面図である。図3,図4は、本発明の第1実施形態のスピーカーカートリッジを模式的に示す、+z方向から見た平面図である。なお、図3は、パネル17を取り除いた状態を示しており、図4は、パネル17およびスペーサー15を取り除いた状態を示している。図5~図7は、本発明の第1実施形態のスピーカーカートリッジを模式的に示す、-z方向から見た平面図である。なお、図6は、パネル18を取り除いた状態を示しており、図7は、パネル18、スペーサー16および樹脂層13を取り除いた状態を示している。
図8は、本発明の第2実施形態のスピーカーカートリッジを模式的に示す斜視図である。図9は、本発明の第2実施形態のスピーカーカートリッジを模式的に示す、+z方向から見た平面図であり、パネル17を取り除いた状態を示している。なお、本実施形態においては、前述した第1実施形態のスピーカーカートリッジと異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。
図10は、本発明の第3実施形態のスピーカーカートリッジを模式的に示す斜視図である。図11は、本発明の第3実施形態のスピーカーカートリッジを模式的に示す斜視図であり、リフレクタ24を取り除いた状態を示している。図12は、本発明の第3実施形態のスピーカーカートリッジを模式的に示す、+z方向から見た平面図である。なお、本実施形態においては、前述した第1実施形態のスピーカーカートリッジと異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。
図13は、本発明の第4実施形態の複合電子機器を模式的に示す、+z方向側から見た平面図である。図14は、本発明の第4実施形態の複合電子機器を模式的に示す、+x方向側から見た平面図である。図15は、本発明の第4実施形態の複合電子機器の一部分を模式的に示す断面図である。なお、本実施形態においては、前述した第2実施形態と異なる点について説明し、同様の構成要素には、同様の符号を付して重複する説明を省略する。
図16は、本発明の第5実施形態の複合電子機器を模式的に示す、+z方向側から見た平面図である。なお、本実施形態においては、前述した第4実施形態の複合電子機器と異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。
図17は、本発明の第6実施形態の複合電子機器を模式的に示す、+z方向側から見た平面図である。なお、本実施形態においては、前述した第4実施形態の複合電子機器と異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。
図18は、本発明の第7実施形態の複合電子機器を模式的に示す、+z方向側から見た平面図である。なお、本実施形態においては、前述した第6実施形態の複合電子機器と異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。
図19は、本発明の第8実施形態の複合電子機器を模式的に示す、+z方向側から見た平面図である。図20は、本発明の第8実施形態の複合電子機器の一部分を模式的に示す断面図である。なお、本実施形態においては、前述した第4実施形態の複合電子機器と異なる点について説明し、同様の構成要素には同一の参照符号を付して重複する説明を省略する。本実施形態の複合電子機器は、図19,図20に示すように、電子機器38eと、スピーカーカートリッジ26eとを有している。
本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲において種々の変更,改良が可能である。
11:励振器
12a:振動体
20:第1コネクタ
21a:第1空間
21b:第2空間
22,22a,22b,22c:第1開口
23:貫通孔
25:第2筐体
26a,26b,26c,26d,26e:スピーカーカートリッジ
28a,28b:スロット
29:凹部
30:第2コネクタ
31:第3空間
33,37:遮音部材
34:接合部
35:接合部
38a,38b,38c,38d,38e:電子機器
60:電子回路
Claims (13)
- 電子機器と、該電子機器に着脱可能に接続されたスピーカーカートリッジとを有しており、
前記スピーカーカートリッジは、
振動体と、
該振動体に取り付けられた励振器と、
前記振動体を取り囲んで内部に収容する第1筐体と、
前記励振器と電気的に接続された第1コネクタと、
を有しており、
前記振動体は、互いに反対側の表面である第1主面および第2主面を有しており、
前記振動体の前記第1主面と前記第1筐体とで囲まれた第1空間と、前記振動体の前記第2主面と前記第1筐体とで囲まれた第2空間とを有しており、
前記電子機器は、
電子回路と、該電子回路に接続された第2コネクタと、第2筐体と、を有しており、
前記第2筐体は内部に第3空間を有しており、
前記第1コネクタと前記第2コネクタとが接続されて、前記励振器と前記電子回路とが電気的に接続されており、
前記第1筐体における前記第1空間に接する部分に第1開口が設けられており、前記第1空間と外部空間とが、前記第1開口を介して接続されており、
前記第1筐体における前記第2空間に接する部分に第2開口が設けられており、前記第2空間と前記第3空間とが、前記第2開口を介して接続されている
ことを特徴とする複合電子機器。 - 前記第2空間および前記第3空間と、前記外部空間と、を遮断する遮音部材が、前記第1筐体と前記第2筐体との間に設けられており、
前記遮音部材は、前記第1筐体を構成する材料および前記第2筐体を構成する材料よりも弾性率が小さい材料を用いて構成されている
ことを特徴とする請求項1に記載の複合電子機器。 - 前記第1筐体を前記第2筐体に着脱可能に接合する接合部が、前記第1筐体および前記第2筐体の少なくとも一方に設けられていることを特徴とする請求項1または請求項2に記載の複合電子機器。
- 前記第2筐体にスロットが設けられており、該スロットに前記スピーカーカートリッジが挿入されていることを特徴とする請求項1乃至請求項3のいずれかに記載の複合電子機器。
- 前記第2開口および前記第1コネクタは、前記スロットの内部に位置しており、
前記第1開口は、前記スピーカーカートリッジが前記スロットに挿入された状態で前記外部空間に露出している
ことを特徴とする請求項4に記載の複合電子機器。 - 前記第2筐体に凹部が設けられており、前記第1筐体の少なくとも一部が前記凹部に嵌め込まれていることを特徴とする請求項1乃至請求項3のいずれかに記載の複合電子機器。
- 振動体と、
該振動体に取り付けられた励振器と、
前記振動体を取り囲んで内部に収容する第1筐体と、
前記励振器と電気的に接続された第1コネクタと、
を有しており、
前記振動体は、互いに反対側の表面である第1主面および第2主面を有しており、
前記振動体の前記第1主面と前記第1筐体とで囲まれた第1空間と、
前記振動体の前記第2主面と前記第1筐体とで囲まれた第2空間と、
前記第1筐体における前記第1空間に接する部分に設けられた第1開口と、
前記第1筐体における前記第2空間に接する部分に設けられた第2開口と、
を有していることを特徴とするスピーカーカートリッジ。 - 前記第2開口を取り囲む遮音部材が前記第1筐体に設けられており、
前記遮音部材は、前記第1筐体を構成する材料よりも弾性率が小さい材料を用いて構成されている
ことを特徴とする請求項7に記載のスピーカーカートリッジ。 - 前記第1筐体に接合部が設けられていることを特徴とする請求項7または請求項8に記載のスピーカーカートリッジ。
- 互いに反対の方向を第1方向および第2方向とすると、
前記第1コネクタは、前記第1筐体における前記第1方向の端部に設けられており、
前記第1開口は、前記第1筐体における前記第2方向の端部に設けられている
ことを特徴とする請求項7乃至請求項9のいずれかに記載のスピーカーカートリッジ。 - 電子回路と、該電子回路に接続された第2コネクタと、第2筐体と、を有しており、
前記第2筐体は、内部に設けられた第3空間と、該第3空間に接する第3開口とを有している
ことを特徴とする電子機器。 - 前記第3開口を取り囲む遮音部材が前記第2筐体に設けられており、
前記遮音部材は、前記第2筐体を構成する材料よりも弾性率が小さい材料を用いて構成されている
ことを特徴とする請求項11に記載の電子機器。 - 前記第2筐体に接合部が設けられていることを特徴とする請求項11または請求項12に記載の電子機器。
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US15/112,860 US9942638B2 (en) | 2014-01-30 | 2015-01-30 | Composite electronic device, speaker cartridge, and electronic device |
JP2015560044A JP6251755B2 (ja) | 2014-01-30 | 2015-01-30 | 複合電子機器,スピーカーカートリッジおよび電子機器 |
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JP2021057726A (ja) * | 2019-09-30 | 2021-04-08 | Tdk株式会社 | 音響デバイス及びスピーカ装置 |
JP2021057841A (ja) * | 2019-10-01 | 2021-04-08 | Tdk株式会社 | 振動デバイス及び音響装置 |
Citations (3)
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JPS6061897U (ja) * | 1983-10-03 | 1985-04-30 | 日本電信電話株式会社 | 圧電形電気音響変換器 |
JPH07295600A (ja) * | 1994-04-28 | 1995-11-10 | Olympus Optical Co Ltd | カード状情報記録媒体及び情報取扱装置 |
JP2005222437A (ja) * | 2004-02-09 | 2005-08-18 | Taiko Denki Co Ltd | Pcカード用コネクタ |
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JP5890209B2 (ja) | 2012-03-15 | 2016-03-22 | 京セラ株式会社 | 音響発生装置 |
US9363606B2 (en) * | 2012-09-20 | 2016-06-07 | Kyocera Corporation | Acoustic generator, acoustic generating device, and electronic device |
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---|---|---|---|---|
JPS6061897U (ja) * | 1983-10-03 | 1985-04-30 | 日本電信電話株式会社 | 圧電形電気音響変換器 |
JPH07295600A (ja) * | 1994-04-28 | 1995-11-10 | Olympus Optical Co Ltd | カード状情報記録媒体及び情報取扱装置 |
JP2005222437A (ja) * | 2004-02-09 | 2005-08-18 | Taiko Denki Co Ltd | Pcカード用コネクタ |
Cited By (4)
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JP2021057726A (ja) * | 2019-09-30 | 2021-04-08 | Tdk株式会社 | 音響デバイス及びスピーカ装置 |
JP7415400B2 (ja) | 2019-09-30 | 2024-01-17 | Tdk株式会社 | 音響デバイス及びスピーカ装置 |
JP2021057841A (ja) * | 2019-10-01 | 2021-04-08 | Tdk株式会社 | 振動デバイス及び音響装置 |
JP7363314B2 (ja) | 2019-10-01 | 2023-10-18 | Tdk株式会社 | 振動デバイス及び音響装置 |
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US9942638B2 (en) | 2018-04-10 |
JPWO2015115608A1 (ja) | 2017-03-23 |
US20160345085A1 (en) | 2016-11-24 |
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