CN1717954A - Speaker, speaker module, and electronic apparatus using the speaker module - Google Patents

Speaker, speaker module, and electronic apparatus using the speaker module Download PDF

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Publication number
CN1717954A
CN1717954A CN 200480001591 CN200480001591A CN1717954A CN 1717954 A CN1717954 A CN 1717954A CN 200480001591 CN200480001591 CN 200480001591 CN 200480001591 A CN200480001591 A CN 200480001591A CN 1717954 A CN1717954 A CN 1717954A
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CN
China
Prior art keywords
mentioned
loud speaker
vibrating reed
panel
frame
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Pending
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CN 200480001591
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Chinese (zh)
Inventor
毛利哲也
伊藤哲
隅山昌英
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Publication of CN1717954A publication Critical patent/CN1717954A/en
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  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The invention provides a speaker used on a sound equipment which can be thinned, improve the airtightness and has excellent characteristics, a speaker module and an electronic equipment. The speaker, the speaker module and the electronic equipment are constituted as follows: a frame supporting a first trembler is embedded in a recessed part, or ribs joggled with the frame are formed on a panel supporting a second trembler, or the panel supporting the second trembler is combined with the second trembler by using a combination.

Description

The electronic equipment of loud speaker, loudspeaker module and this module of use
Technical field
The present invention relates to the electronic equipment of the mobile phone of the loud speaker, loudspeaker module and this loudspeaker module of use that on various stereo sets or information communication device, use or game station etc.
Background technology
Utilize Figure 15 that existing technology is described.Figure 15 is the profile of existing loud speaker.As shown in figure 15, utilize upper board 102 and yoke 103 to hold the magnetic circuit 104 that constitutes internal magnetic type into magnetized magnet 101 under the arm, on the yoke 103 of this magnetic circuit 104, combine framework 106.At the circumference of this framework 106 the 1st vibrating reed 107 has been installed, voice coil loudspeaker voice coil 108 combines with the 1st vibrating reed 107 and combines in the mode that embeds with the magnetic gap 5 of above-mentioned magnetic circuit 104.
And then, combine panel 109 at the circumference of framework 106, the 2nd vibrating reed 110 of general plane shape has been installed on this panel 109, make and utilize enclosure space 111 to carry out acoustical coupling between the 1st vibrating reed 107 and the 2nd vibrating reed 110 and constitute loud speaker 113.
In addition, for example open and disclose such prior art in the 2003-179988 communique the spy.
Summary of the invention
A kind of loud speaker, be by
The framework that combines with magnetic circuit,
The 1st vibrating reed that combines with the peripheral part of framework,
Combine with the 1st vibrating reed and one be partially submerged into the magnetic gap of magnetic circuit voice coil loudspeaker voice coil,
The panel that combines with framework,
By the space that surrounds in conjunction with the panel of the 1st vibrating reed and
The loud speaker that the 2nd vibrating reed that combines with the space that is surrounded by panel constitutes, wherein,
Framework forms depressed part and buries formation underground on panel, perhaps,
Framework combines with panel, is that to form upright edge portion internal diameter than framework on panel little and be entrenched in than the big chimeric rib of the edge part external diameter of the 1st vibrating reed and chimeric rib and carry out combination in the said frame, perhaps,
Panel combines with the combination that the 2nd vibrating reed utilization has sticker at least.
Description of drawings
Fig. 1 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 2 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 3 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 4 is the profile of the loudspeaker module of one embodiment of the present of invention.
Fig. 5 be one embodiment of the present of invention electronic equipment want portion's profile.
Fig. 6 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 7 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 8 is the profile of the loud speaker of one embodiment of the present of invention.
Fig. 9 is the profile of the loud speaker of one embodiment of the present of invention.
Figure 10 is the profile of the loudspeaker module of one embodiment of the present of invention.
Figure 11 be one embodiment of the present of invention electronic equipment want portion's profile.
Figure 12 is the profile of the loud speaker of one embodiment of the present of invention.
Figure 13 is the profile of the loudspeaker module of one embodiment of the present of invention.
Figure 14 be one embodiment of the present of invention electronic equipment want portion's profile.
Figure 15 is the profile of the loud speaker of existing acoustical coupling type.
Embodiment
Below, the present invention will be described to enumerate embodiment 1~4.
Require now as the slimming of the electronic equipment of the mobile phone of the device that loud speaker is installed etc. very strong on the market.Therefore, aspect the slimming of these electronic equipments, the slimming of loud speaker is absolutely necessary.Yet above-mentioned existing loud speaker is the loud speaker of acoustical coupling, owing to have 2 vibrating reeds, just has the very difficult such problem of slimming that realizes in its design.
The objective of the invention is to solve the above problems, the electronic equipment of good loud speaker, loudspeaker module and this module of use that can realize slimming is provided.
In addition, the present invention becomes the step of the depressed part of panel more than or equal to 0.3mm and constitutes.Utilize this structure, can with the step of the depressed part of panel as the framework counter plate in conjunction with the time guiding part use, and can boost productivity.
In addition, the present invention can be made as Min. with the size of the depressed part of panel, can as the framework counter plate in conjunction with the time the high accuracy guiding part use and the intensity of panel can be reduced and be suppressed at Min..
In addition, the present invention can guarantee the size of depressed part of panel greatly to a certain degree and boost productivity, and can be by using projection and use as the high accuracy guiding part in that at least 3 places or the guiding of the framework more than 3 places being set on the panel.
In addition, the present invention has eliminated the escape of air between panel and the framework, can realize guaranteeing acoustical coupling enclosure space air-tightness and prevent chatter noise (vibrating noise).
In addition, the present invention can realize the raising of design freedom.
In addition, also can discern by clear films by ditch, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom even the present invention's configuration below the 2nd vibrating reed shows thing.
In addition, the present invention constitutes, and is covered the loudspeaker module of the front of display part by the 2nd vibrating reed of above-mentioned loud speaker.Utilize this structure, can make display part and loud speaker slimming, miniaturization and constitute as integrated module.
In addition, the present invention possesses above-mentioned loudspeaker module and operating portion and constitutes electronic equipment.Utilize this structure, can realize slimming, the miniaturization of electronic equipment.
Below, use accompanying drawing to describe to embodiments of the invention.
(embodiment 1)
Below, embodiment 1 is described.Fig. 1 represents the profile of the loud speaker of one embodiment of the present of invention.As shown in Figure 1, hold the magnetic circuit 124 that constitutes internal magnetic type into magnetized magnet 121 under the arm by upper board 122 and yoke 123.On the yoke 123 of this magnetic circuit 124, combine framework 126.In the periphery of bonding the 1st vibrating reed 127 of the circumference of this framework 126, on the 1st vibrating reed 127, combine an end of voice coil loudspeaker voice coil 128, and an opposite end combines in the mode that embeds with the magnetic gap 125 of above-mentioned magnetic circuit 124.
And then, on panel 129, forming depressed part 129A, framework 126 is embedded in this depressed part 129A.And, by with enclosure space 131 between centre the 2nd vibrating reed 130 in conjunction with the general plane shape on this panel 129, make the 1st vibrating reed 127 and the 2nd vibrating reed 130 carry out acoustical coupling and constitute loud speaker 140.
By forming this structure,, can realize having the slimming of loud speaker of the acoustical coupling type of 2 vibrating reeds by forming depressed part 129A on the panel 129 and in this depressed part 129A, burying framework 126 underground.
In addition, owing to also can guarantee enough material thicknesses for panel 129, thus can not produce the useless resonance that causes by this panel 129 yet, thus can realize good frequency characteristic.
In addition, the present invention becomes the step of the depressed part 129A of panel 129 more than or equal to 0.3mm.Utilize this structure, by the step of the depressed part 129A of panel 129 being guaranteed at least more than or equal to 0.3mm, can with its as framework 126 counter plates 129 in conjunction with the time guiding part use, thereby can improve the productivity ratio of the loud speaker of acoustical coupling type.
In addition, the present invention, panel 129 contrasts the peripheral shape of frameworks 126 and forms depressed part 129A.Utilize this structure, the size of the depressed part 129A of panel 129 can be made as Min., thus can with its as framework 126 counter plates 129 in conjunction with the time the high accuracy guiding part use, and the intensity of panel 129 can be reduced and be suppressed at Min..
In addition, the present invention constitutes the 1st vibrating reed 127 to the 2 vibrating reeds 130 littlelyr, and then under the situation of present embodiment, the 1st vibrating reed 127 planes is seen in the scope that is arranged on the 2nd vibrating reed 130.Utilize this structure, even use the 2nd big vibrating reed 130 also can realize the raising of the further miniaturization of loud speaker, slimming, design freedom.
In addition, the present invention constitutes the 2nd vibrating reed 130 by laminar clear films.Utilize this structure, design, can have an X-rayed the parts of the below of clear films by the following side space that utilizes this laminar clear films.Therefore, the arrangement of parts is not only at transverse direction, and short transverse also can effectively utilize and arrange.Therefore, even use the 2nd big vibrating reed 130 also can realize the raising of the further miniaturization of loud speaker, slimming, design freedom.
In addition, constitute panel 129 by material transparent.Utilize this structure,, further utilize the following side space of this transparent panel 129 to design, can have an X-rayed the parts of the below of transparent panel 129 by using the 2nd vibrating reed 130 that constitutes by above-mentioned laminar clear films.Therefore, the arrangement of parts is not only at transverse direction, and short transverse also can effectively utilize and arrange.Therefore, even use big the 2nd vibrating reed 130 and panel 129, also can realize further slimming, the miniaturization of loud speaker, the raising of design freedom.
(embodiment 2)
Below, embodiment 2 is described.
Fig. 2 and Fig. 3 are the profiles of the loud speaker of one embodiment of the present of invention.Content shown in Figure 2, the part different with embodiment 1 are at least 3 places to be set on the depressed part 129A of panel 129 or the guiding of the framework more than 3 places constitutes with projection 129B.
Utilize this structure, the size of depressed part 129A that can guarantee panel 129 is greatly to a certain degree and boost productivity, and by guiding usefulness projection 129B and it can be used as the high accuracy guiding part in that at least 3 places or the framework more than 3 places being set on the panel 129.
In addition, as shown in Figure 3, the present invention coating adhesive or sealant 132 and constitute on the depressed part 129A of panel 129.Utilize this structure, can enough bonding agents or the effect of sealant 132 eliminate escape of air between panel 129 and the framework 126, thereby can realize guaranteeing acoustical coupling enclosure space 131 air-tightness with prevent the chatter noise.
Therefore, can realize the raising of q﹠r of the loud speaker 140 of acoustical coupling type.
(embodiment 3)
Below, embodiment 3 is described.
Fig. 4 be one embodiment of the present of invention loudspeaker module want portion's profile.
Fig. 4 is the loudspeaker module that is made of display part 141 and loud speaker 140 at least, be with the 2nd vibrating reed 130 of loud speaker in the front of display part 141 with the shape configuration that covers this display part 141 loudspeaker module 150 of assembling.
At this moment, the 2nd vibrating reed 130 is made of transparent diaphragm.And panel 129 also is made of material transparent.Thus, carry out modularization, can have an X-rayed the following parts of clear films by setting display part 141 at the following side space of transparent thin slice.Utilize this structure, can realize the slimming of the loudspeaker module of acoustical coupling type.And then by carrying out modularization in this wise, the operation when can implement device producing is cut down and the rationalization in parts circulation stage, also can realize reducing cost.
Wherein, for the allocation position of the display part 141 of this module 150, can be as under the transparent diaphragm of the 2nd vibrating reed 130, also can be the below that as this example, is configured in transparent panel 129.
(embodiment 4)
Below, embodiment 4 is described.
Fig. 5 be installed one embodiment of the present of invention loudspeaker module portable telephone device want portion's profile.
Fig. 5 is the portable telephone device 151 that utilizes at least the loudspeaker module 150 that is made of display part 141 and loud speaker 140 and operating portion 142 to constitute.
Fig. 5 is to use among the embodiment 3 loudspeaker module 150 of explanation and constitutes the example of portable telephone device 151, combines loudspeaker module 150 on shell 152, constitutes the portion that wants in its next door binding operation portion 142.
Utilize this structure, by setting display part 141 as the 2nd vibrating reed 130 of the clear films of this sheet and the following side space of transparent panel, and then, can realize slimming, the miniaturization of portable telephone device 151, the raising of design freedom in its next door setting operation portion 142.
In addition, though present embodiment is to be illustrated being applied to portable telephone device, but the present invention is not limited to present embodiment, and the application of the electronic equipment of the charging device of the stereo set of the portable usefulness of subtend or image documentation equipment and then these equipment etc. also can launch in wide scope.
Below, the present invention will be described to enumerate embodiment 5~10.
Above-mentioned existing loud speaker is to have 2 vibrating reeds and with the loud speaker of the acoustical coupling type that constitutes in conjunction with enclosure space between them.Therefore, the acoustic characteristic in order to ensure the loud speaker of this acoustical coupling type can realize by the air-tightness of guaranteeing 2 enclosure spaces between the vibrating reed.
Yet, owing to the deviation of parts precision or the reasons such as deviation of producing, can not fully guarantee the air-tightness of enclosure space, tend to take place escape of air.In this case, because escape of air and can't guarantee the air-tightness of enclosure space, thereby exist the acoustical coupling state of 2 vibrating reeds to reduce and make the such problem of acoustic characteristic variation.
The objective of the invention is to solve the above problems, the good loud speaker that can realize good acoustic characteristic by the air-tightness of guaranteeing enclosure space is provided.
The present invention, the effect of the chimeric rib by utilizing complicated shape prevents that escape of air from improving air-tightness, and guarantees to have the air-tightness of the enclosure space of 2 vibrating reeds, can realize the loud speaker that acoustic characteristic is good.
In addition, the present invention utilizes the effect of sticker or bonding agent to stop up the gap of panel and framework, thereby can further improve air-tightness.And then can eliminate escape of air and realize preventing the chatter noise.
In addition, the present invention fully stops up the gap of the faying face of framework and panel by utilizing sealant, thereby can eliminate escape of air and realize preventing the chatter noise.。
In addition, the present invention can realize above-mentioned loud speaker and use its module or the further miniaturization of electronic equipment, the raising of design freedom.
In addition, the present invention even configuration shows that thing also can discern by clear films below the 2nd vibrating reed, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom.
In addition, the present invention, even configuration shows thing below panel, also can discern, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom by the 2nd vibrating reed that constitutes by clear films and transparent panel.
In addition, electronic equipment of the present invention possesses above-mentioned loudspeaker module and operating portion.Utilize this structure, can realize slimming, the miniaturization of electronic equipment.
(embodiment 5)
Below, embodiment 5 is described.
Fig. 6 represents the profile of the loud speaker of one embodiment of the present of invention.
As shown in Figure 6, hold the magnetic circuit 224 that constitutes internal magnetic type into magnetized magnet 221 under the arm by upper board 222 and yoke 223, framework 226 combines with the yoke 223 of this magnetic circuit 224.The periphery of bonding the 1st vibrating reed 227 on the circumference of this framework 226, an end of voice coil loudspeaker voice coil 28 and the 1st vibrating reed 227 in conjunction with and the magnetic gap 25 of an opposite end and above-mentioned magnetic circuit 224 combine in the mode of embedding.
And then, on panel 229, form the chimeric rib 229A of the little and bigger ring-type of internal diameter than the upright edge 226A of portion of the ring-type of framework 226 than the external diameter of the edge part 227A of the 1st vibrating reed 227, this chimeric rib 229A is entrenched in the framework 226 and combination.And, by on this panel 229 with enclosure space 231 between the centre the 2nd vibrating reed 230 in conjunction with the general plane shape, make the 1st vibrating reed 227 and the 2nd vibrating reed 230 carry out acoustical coupling and constitute loud speaker 240.
By adopting this structure, the effect of the chimeric rib 229A by utilizing complicated shape prevents that escape of air from improving air-tightness, thereby guarantees to have the air-tightness of the enclosure space 231 of 2 vibrating reeds, can realize the loud speaker that acoustic characteristic is good.
And then, under the situation of this embodiment, constitute, so, also can utilize with the chimeric of the upright edge 226A of portion of framework 226 and make its reinforcement for the wall portion of the panel 229 that is recessed to form by this owing to compare the depression that ring-type is set on panel 229 with conventional example.Therefore, can form the chimeric of complicated shape more.Therefore,, also can prevent escape of air and further improve air-tightness, thereby can in the raising of the acoustic characteristic of loud speaker, play a role for the depression of this panel 229.
In addition, the present invention constitutes the 1st vibrating reed 227 to the 2 vibrating reeds 230 littlelyr, and then under the situation of this embodiment, the 1st vibrating reed 227 planes is seen in the scope that is arranged on the 2nd vibrating reed 230 constitute.Utilize this structure, even use the 2nd big vibrating reed 230 also can realize the raising of the further miniaturization of loud speaker, slimming, design freedom.
In addition, the present invention utilizes the clear films of sheet to constitute the 2nd vibrating reed 230.Utilize this structure, the following side space of the clear films by utilizing this sheet designs, and can have an X-rayed the following parts of clear films.Therefore, the arrangement of parts is not only at transverse direction, and short transverse also can effectively utilize and arrange.Therefore, even use the 2nd big vibrating reed 230 also can realize the raising of the further miniaturization of loud speaker, slimming, design freedom.
In addition, the present invention utilizes material transparent to constitute panel 229.Utilize this structure, the 2nd vibrating reed 230 that constitutes by the clear films of using by above-mentioned sheet, and then utilize the following side space of this transparent panel 229 and design, can have an X-rayed the parts of the below of transparent panel 229.Therefore, the arrangement of parts is not only at transverse direction, and short transverse also can effectively be utilized and arrange.Therefore, even use big the 2nd vibrating reed 230 and panel 229, also can realize further miniaturization, the slimming of loud speaker, the raising of design freedom.
(embodiment 6)
Below, embodiment 6 is described.
Fig. 7 represents the profile of the loud speaker of one embodiment of the present of invention.Content shown in Figure 7 is adhered to sticker 232 as different from Example 5 on the faying face of the chimeric rib 229A of panel 229 and framework 226, perhaps coating adhesive and constituting.Utilize this structure, utilize the gap of effect obstruction panel 229 with the framework 226 of sticker 232 or bonding agent, can further improve air-tightness.
(embodiment 7)
Below, embodiment 7 is described.
Fig. 8 represents the profile of the loud speaker of one embodiment of the present of invention.Content shown in Figure 8 is adhered to sticker 232 as different from Example 5 on the faying face of framework 226 and panel 229, perhaps coating adhesive and constituting.Utilize this structure, utilize the gap of effect obstruction panel 229 with the framework 226 of sticker 234 or bonding agent, can further improve air-tightness.
(embodiment 8)
Below, embodiment 8 is described.
Fig. 9 represents the profile of the loud speaker of one embodiment of the present of invention.Content shown in Figure 9 constitutes at the gap coating adhesive of framework 226 and the faying face of panel 229 or sealant 233 as different from Example 5.Utilize this structure, fully stop up the gap of framework 226 and the faying face of panel 229, can eliminate escape of air and realize preventing the chatter noise by utilizing bonding agent or sealant 233.
Wherein, about employed bonding agent or sealant 233, when using bonding agent, bonding agent as rubber-like or acrylic compounds, polyurethane kind, the drying of bonding agent, solidify the back also residual a lot of solid constituents type, be that the bonding agent of the little type of the fit rate of retarder thinner is more suitable usually, its effect is bigger.
In addition, about sealant, the sealant of butyl type rubber or heat molten type is comparatively suitable usually.
(embodiment 9)
Below, embodiment 9 is described.
Figure 10 be one embodiment of the present of invention loudspeaker module want portion's profile.
Figure 10 is the loudspeaker module that is made of display part 241 and loud speaker 240 at least, be with the 2nd vibrating reed 230 of above-mentioned loud speaker in the front of display part 241 with the shape configuration that covers this display part 241 loudspeaker module 250 of assembling.
At this moment, the 2nd vibrating reed 230 is made of transparent diaphragm.And panel 229 also is made of material transparent.Thus, carry out modularization, can have an X-rayed the following parts of clear films by setting display part 241 at the following side space of transparent diaphragm.Utilize this structure, can realize miniaturization, the slimming of the loudspeaker module of acoustical coupling type, the raising of design freedom.And then by carrying out modularization in this wise, the operation when can implement device producing is cut down or the rationalization in parts circulation stage, thereby can realize reducing cost.
Wherein, for the allocation position of the display part 241 of this loudspeaker module 250, can be as under the transparent diaphragm of the 2nd vibrating reed 230, in addition, also can as this example, be configured in the below of transparent panel 229.
(embodiment 10)
Below, embodiment 10 is described.
Figure 11 be installed one embodiment of the present of invention loudspeaker module portable telephone device want portion's profile.Figure 11 is the portable telephone device 251 that utilizes at least the loudspeaker module 250 that is made of display part 241 and loud speaker 240 and operating portion 242 to constitute.
Figure 11 is to use among the embodiment 5 loudspeaker module 250 of explanation to constitute the figure of portable telephone devices 251, in conjunction with loudspeaker module 250, and constitutes the portion that wants in its next door binding operation portion 242 on shell 252.Utilize this structure, by setting display part 241 as the 2nd vibrating reed 230 of the clear films of this sheet and the following side space of transparent panel, and then, can realize miniaturization, the slimming of portable telephone device 251, the raising of design freedom in its next door setting operation portion 242.
In addition, though this embodiment is illustrated being applied to portable telephone device, but the present invention is not limited to present embodiment, and the application of the electronic equipment of the charging device of the stereo set of the portable usefulness of subtend or image documentation equipment and then these equipment etc. also can launch in wide scope.
Below, the present invention will be described to enumerate embodiment 11~13.
Above-mentioned existing loud speaker is to have 2 vibrating reeds and with the loud speaker of the acoustical coupling type that constitutes in conjunction with enclosure space between them.Therefore in order to ensure the acoustic characteristic of the loud speaker 113 of this acoustical coupling type, can realize by the air-tightness of guaranteeing 2 enclosure spaces 111 between the vibrating reed.
Yet, because the deviation in the production of the coating weight of bonding agent 112 or coating position etc., often can't fully guarantee the airproof of enclosure space 111 and escape of air takes place.
In addition, under the situation of the bonding agent that uses solvent based, because deviation between the distribution of the ratio of the solvent of bonding agent 112 and solid constituent, residual solid constituent is under a spot of situation when bonding agent 112 dry solidifications, owing to escape of air from the gap that produces takes place in these bonding agent 112 atrophys, often can't guarantee the air-tightness of enclosure space 111.
In these cases, thus just exist because escape of air and can't guarantee that the air-tightness of enclosure space 111 reduces and the such problem of acoustic characteristic variation the acoustical coupling state of 2 vibrating reeds.Therefore, bad or on characteristic, produce the big such problem of deviation because the production of loud speaker distributes with regard to exist producing acoustic characteristic.
The objective of the invention is to solve the above problems, the good loud speaker that can realize good acoustic characteristic by the air-tightness of guaranteeing enclosure space is provided.
The present invention, by utilizing as the precision height on the production method and the solid constituent effect of the bonding agent of 100% formation roughly, prevent escape of air and improve air-tightness and guarantee to have the air-tightness of the enclosure space of 2 vibrating reeds, can realize the loud speaker that acoustic characteristic is good.
In addition, the present invention can at random guarantee the headroom of enclosure space, thereby can realize the optimization and the stabilisation of characteristic of the loud speaker of acoustical coupling type.
In addition, the present invention, it is stable on temperature characterisitic to constitute the gap that makes panel and the 2nd vibrating reed, thus can realize not being subjected to environment temperature about the loud speaker of acoustical coupling type of stability of characteristics.
In addition, the present invention can cut down material cost and production cost, thereby can realize the cost degradation of the loud speaker of acoustical coupling type.
In addition, the present invention even configuration shows that thing also can discern by clear films below the 2nd vibrating reed, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom.
In addition, the present invention, even configuration shows that thing also can discern by the 2nd vibrating reed that is made of clear films and transparent panel below panel, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom.
In addition, the present invention, even configuration shows that thing also can discern by the 2nd vibrating reed that is made of clear films and transparent panel and transparent sticker below the combination of the 2nd vibrating reed or panel, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom.
In addition, the present invention, even configuration shows that thing also can discern by the 2nd vibrating reed that is made of clear films and transparent panel and transparent sticker and transparent base material below the combination of the 2nd vibrating reed or panel, thereby can realize using further slimming, the miniaturization of the module of this loud speaker or electronic equipment, the raising of design freedom.
In addition, the present invention is the loudspeaker module that covers the front of display part with the 2nd vibrating reed of above-mentioned loud speaker.Utilize this structure, can make display part and loud speaker slimming, miniaturization and constitute as integrated module.
In addition, electronic equipment of the present invention possesses above-mentioned module and operating portion.Utilize this structure, can realize slimming, the miniaturization of electronic equipment.
(embodiment 11)
Below, embodiment 11 is described.
Figure 12 represents the profile of loud speaker of the present invention.As shown in figure 12, hold the magnetic circuit 324 that constitutes internal magnetic type into magnetized magnet 321 under the arm by upper board 322 and yoke 323, framework 326 is combined on the yoke 323 of this magnetic circuit 324, in the periphery of bonding the 1st vibrating reed 327 of the circumference of this framework 326, an end of voice coil loudspeaker voice coil 328 and the 1st vibrating reed 327 in conjunction with and the magnetic gap 325 of an opposite end and above-mentioned magnetic circuit 324 combine in the mode of embedding.
And then framework 326 combines with panel 329, and the 2nd vibrating reed 330 of general plane shape combines with this panel 329 between middle with enclosure space 331.Thus, the 1st vibrating reed 327 and the 2nd vibrating reed 330 carry out acoustical coupling and constitute loud speaker 340.
Wherein, this loud speaker 340 is when during in conjunction with the 2nd vibrating reed 330 of general plane shape, as its engagement means, utilizing the combination that has sticker 332 at least to carry out combination between the centre with enclosure space 331 on the panel 329.
In this embodiment, combination is the type that is made of base material 333 and sticker 332, and this base material 333 is made of the thin-film material of PETG (PET).
In addition, the 1st vibrating reed 327 constitutes littler than the 2nd vibrating reed 330, and the 2nd vibrating reed 330 and panel 329 and sticker 332 and substrate 333 are made of material transparent.Utilize this structure, by utilizing as the precision height on the production method and the solid constituent effect of the sticker of 100% formation roughly, prevent that escape of air from improving air-tightness and guaranteeing to have the air-tightness of the enclosure space 331 of 2 vibrating reeds, can realize the loud speaker that acoustic characteristic is good.
That is, can eliminate and be freed to resemble the escape of air that the solvent evaporates behind the dry solidification the solvent based bonding agent is the gap that produces of the atrophy of the solid constituent of reason.And then, base material 333 also is set and at random adjusts the thickness of this base material 333 by not only sticker 332, the headroom of enclosure space 331 can be at random guaranteed, thereby the optimization of characteristic of loud speaker of acoustical coupling type or the adjustment of acoustic characteristic can be realized.
And, by the base material 333 of the combination thin-film material by PETG (PET) is constituted, utilization makes temperature characterisitic stabilisation and the higher thin-film material of material thickness precision, the headroom of enclosure space 331 can be guaranteed accurately, thereby the stabilisation of characteristic of the loud speaker of acoustical coupling type can be realized.
In addition, by constituting by material transparent, even configuration shows that thing also can discern by the film that is made of material transparent and the 2nd vibrating reed and panel and sticker and base material below the combination of the 2nd vibrating reed and panel, thereby can realize using further miniaturization, the slimming of the module of this loud speaker or electronic equipment, the raising of design freedom with the raising of acoustic pressure grade.
And then, also can use two-sided tape to constitute as this combination, in this case,, then can cut down material cost and production cost, thereby can realize the cost degradation of the loud speaker of acoustical coupling type if particularly use the two-sided tape of commercial goods.
Though this embodiment is illustrated by the example that base material 333 and sticker 332 constitute combination, also can only constitute combination by sticker 332.
(embodiment 12)
Below, embodiment 12 is described.
Figure 13 is the profile of loudspeaker module of the present invention.Figure 13 is the loudspeaker module that is made of display part 341 and loud speaker 340 at least, is the loudspeaker module 350 that the 2nd vibrating reed 330 is assembled with the shape configuration that covers this display part 341 in the front of display part 341.
At this moment, the 2nd vibrating reed 330, panel 329, sticker 332 and base material 333 also are made of material transparent.Thus, carry out modularization, also can have an X-rayed the parts of below for the part of the 2nd vibrating reed 330 and sticker and base material by setting display part 341 at the following side space of the 2nd vibrating reed 330.
Utilize this structure, can realize miniaturization, the slimming of the loudspeaker module of acoustical coupling type, the raising of design freedom.And then by carrying out modularization in this wise, the operation when can implement device producing is cut down or the rationalization in parts circulation stage, thereby also can realize reducing cost.
Wherein, about the allocation position of the display part 341 of this loudspeaker module 350, can be as under the transparent diaphragm of the 2nd vibrating reed 330, also can as this example, be configured in the below of transparent panel 329.
(embodiment 13)
Below, embodiment 13 is described.
Figure 14 be installed one embodiment of the present of invention loudspeaker module portable telephone device want portion's profile.Figure 14 is the portable telephone device 351 that utilizes at least the loudspeaker module 350 that is made of display part 341 and loud speaker 340 and operating portion 342 to constitute.
The portable telephone device 351 of Figure 14 is to use the loudspeaker module 350 that illustrates among the embodiment 12 to constitute the figure of portable telephone devices 351, in conjunction with loudspeaker module 350, constitutes the portion that wants in its next door binding operation portion 342 on shell 352.
Utilize this structure, the same with embodiment 12, set display part 341 by following side space at the 2nd vibrating reed 330 and sticker and base material, and then in its next door setting operation portion 342, the parts of below can be had an X-rayed, thereby miniaturization, the slimming of portable telephone device 351, the raising of design freedom can be realized.
In addition, though present embodiment is to be illustrated being applied to portable telephone device, but the present invention is not limited to this embodiment, and the application of the electronic equipment of the charging device of the stereo set of the portable usefulness of subtend or image documentation equipment and then these equipment etc. also can launch in wide scope.
Loud speaker of the present invention and loudspeaker module, except the function of sounding,, can realize miniaturization and Presentation Function is set by using transparent membrane, transparent panel, thereby can sound from display part, can be applied to image stereo set or information communication device, game station etc.

Claims (30)

1. loud speaker, be by
The framework that combines with magnetic circuit,
The 1st vibrating reed that combines with the peripheral part of said frame,
Combine with above-mentioned the 1st vibrating reed and one be partially submerged into the magnetic gap of above-mentioned magnetic circuit voice coil loudspeaker voice coil,
The panel that combines with said frame,
The space that surrounds by above-mentioned panel in conjunction with above-mentioned the 1st vibrating reed and
The loud speaker that the 2nd vibrating reed that combines with the space that is surrounded by above-mentioned panel constitutes, wherein,
Said frame forms depressed part and buries formation underground on above-mentioned panel, perhaps,
Said frame combines with above-mentioned panel, is that to form upright edge portion internal diameter than said frame on above-mentioned panel little and be entrenched in than the big chimeric rib of the edge part external diameter of above-mentioned the 1st vibrating reed and above-mentioned chimeric rib and carry out combination in the said frame, perhaps,
Above-mentioned panel combines with the combination that above-mentioned the 2nd vibrating reed utilization has sticker at least.
2. loud speaker as claimed in claim 1, the step of above-mentioned depressed part are more than or equal to 0.3mm.
3. as claim 1 or the described loud speaker of claim 2, above-mentioned depressed part contrasts the peripheral shape of said frame and forms.
4. as any described loud speaker of claim 1 to claim 3, above-mentioned depressed part constitutes and is provided with the above framework guiding projection at least 3 places or 3 places.
5. as any described loud speaker of claim 1, bonding agent or sealant have been coated with at above-mentioned depressed part to claim 4.
6. as any described loud speaker of claim 1 to claim 5, above-mentioned the 1st vibrating reed is littler than above-mentioned the 2nd vibrating reed.
7. as any described loud speaker of claim 1 to claim 6, above-mentioned the 2nd vibrating reed is made of the clear films of sheet.
8. as any described loud speaker of claim 1 to claim 7, above-mentioned panel is made of material transparent.
9. loudspeaker module, wherein, claim 1 covers the front of display part to above-mentioned the 2nd vibrating reed of any described loud speaker of claim 8.
10. electronic equipment possesses:
The described loudspeaker module of claim 9; And
Operating portion.
11. loud speaker as claimed in claim 1 has adhered to sticker or has been coated with bonding agent on above-mentioned chimeric rib and faying face said frame.
12., on said frame and faying face above-mentioned panel, adhered to sticker or be coated with bonding agent as claim 1 or the described loud speaker of claim 11.
13., in the gap of the faying face of said frame and above-mentioned panel, be coated with bonding agent as any described loud speaker of claim 1, claim 11, claim 12.
14., in the gap of the faying face of said frame and above-mentioned panel, be coated with sealant as any described loud speaker of claim 1, claim 11, claim 12.
15. as claim 1 or the claim 11 any described loud speaker to claim 14, above-mentioned the 1st vibrating reed is littler than above-mentioned the 2nd vibrating reed.
16. as claim 1 or the claim 11 any described loud speaker to claim 15, above-mentioned the 2nd vibrating reed is made of the clear films of sheet.
17. as claim 1 or the claim 11 any described loud speaker to claim 16, above-mentioned panel is made of material transparent.
18. a loudspeaker module, wherein, claim 1 or claim 11 cover the front of display part to above-mentioned the 2nd vibrating reed of any described loud speaker of claim 17.
19. an electronic equipment possesses:
The described loudspeaker module of claim 18; And
Operating portion.
20. loud speaker as claimed in claim 1, above-mentioned combination is made of base material and sticker.
21. loud speaker as claimed in claim 20, the base material of above-mentioned combination is made of thin-film material.
22. loud speaker as claimed in claim 21, above-mentioned thin-film material are PETG (PET).
23. loud speaker as claimed in claim 22, above-mentioned combination is a two-sided tape.
24. as claim 1 or the claim 20 any described loud speaker to claim 23, above-mentioned the 1st vibrating reed is littler than above-mentioned the 2nd vibrating reed.
25. as claim 1 or the claim 20 any described loud speaker to claim 24, above-mentioned the 2nd vibrating reed is made of clear films.
26. loud speaker as claimed in claim 25, above-mentioned panel is made of material transparent.
27. loud speaker as claimed in claim 26, above-mentioned sticker is made of material transparent.
28. loud speaker as claimed in claim 27, the base material of above-mentioned combination is made of material transparent.
29. a loudspeaker module, wherein, claim 1 or claim 20 cover the front of display part to above-mentioned the 2nd vibrating reed of any described loud speaker of claim 28.
30. an electronic equipment possesses:
The described loudspeaker module of claim 29; And
Operating portion.
CN 200480001591 2003-10-16 2004-10-14 Speaker, speaker module, and electronic apparatus using the speaker module Pending CN1717954A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2003356080A JP4642335B2 (en) 2003-10-16 2003-10-16 Speaker, speaker module, and electronic device using the same
JP356080/2003 2003-10-16
JP360216/2003 2003-10-21
JP361694/2003 2003-10-22

Publications (1)

Publication Number Publication Date
CN1717954A true CN1717954A (en) 2006-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200480001591 Pending CN1717954A (en) 2003-10-16 2004-10-14 Speaker, speaker module, and electronic apparatus using the speaker module

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Country Link
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CN (1) CN1717954A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102246540A (en) * 2008-12-25 2011-11-16 三洋电机株式会社 Speaker unit and portable information terminal
CN102395091A (en) * 2011-09-28 2012-03-28 庄志捷 Planar diaphragm speaker with driving unit
CN102547496A (en) * 2011-12-31 2012-07-04 李世煌 Fixed structure of loudspeaker unit of thin-type speaker box
CN101606394B (en) * 2007-02-07 2012-12-12 日本电气株式会社 Thin acoustic component mounting structure, portable acoustic apparatus, cellular phone and thin acoustic component mounting method
CN109218943A (en) * 2017-07-03 2019-01-15 乐金显示有限公司 Show equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010206557A (en) * 2009-03-04 2010-09-16 Panasonic Corp Building material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101606394B (en) * 2007-02-07 2012-12-12 日本电气株式会社 Thin acoustic component mounting structure, portable acoustic apparatus, cellular phone and thin acoustic component mounting method
CN102246540A (en) * 2008-12-25 2011-11-16 三洋电机株式会社 Speaker unit and portable information terminal
CN102246540B (en) * 2008-12-25 2014-08-06 三洋电机株式会社 Speaker unit and portable information terminal
CN102395091A (en) * 2011-09-28 2012-03-28 庄志捷 Planar diaphragm speaker with driving unit
CN102547496A (en) * 2011-12-31 2012-07-04 李世煌 Fixed structure of loudspeaker unit of thin-type speaker box
CN109218943A (en) * 2017-07-03 2019-01-15 乐金显示有限公司 Show equipment
CN109218943B (en) * 2017-07-03 2022-02-18 乐金显示有限公司 Display device

Also Published As

Publication number Publication date
JP4642335B2 (en) 2011-03-02
JP2005123851A (en) 2005-05-12

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