CN213126469U - Loudspeaker and electronic terminal - Google Patents
Loudspeaker and electronic terminal Download PDFInfo
- Publication number
- CN213126469U CN213126469U CN202022197844.3U CN202022197844U CN213126469U CN 213126469 U CN213126469 U CN 213126469U CN 202022197844 U CN202022197844 U CN 202022197844U CN 213126469 U CN213126469 U CN 213126469U
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- China
- Prior art keywords
- voice coil
- loudspeaker
- bonding pad
- welding
- fixed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a loudspeaker and an electronic terminal, which comprises a basin frame with an accommodating space, a vibration system fixed on the basin frame, a magnetic circuit system for driving the vibration system and a flexible circuit board electrically connected with the vibration system; the flexible circuit board comprises a body part, a conduction part, a first bonding pad, a second bonding pad, an outgoing wire and an incoming wire, wherein the conduction part is connected with the body part and is positioned between the short edge of the voice coil and the basin frame; the outgoing line comprises a first welding part used for welding with the first bonding pad and a first connecting part used for connecting the first welding part and the voice coil, and the incoming line comprises a second welding part used for welding with the second bonding pad and a second connecting part used for connecting the second welding part and the voice coil; the first welding part is arranged at an included angle with the long edge direction of the voice coil, and/or the second welding part is arranged at an included angle with the long edge direction of the voice coil.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic field especially relates to a speaker and electronic terminal.
[ background of the invention ]
In the current mobile internet era, the number of intelligent mobile terminal devices is increasing continuously, and the requirements for mobile terminals are higher and higher, one of which is the sound quality function requiring high quality.
The lead wire for connecting the voice coil to the flexible circuit board in the related art speaker is usually soldered to a pad on the flexible circuit board in a manner parallel to the long side of the voice coil, but in this manner, the portion where the lead wire is soldered to the pad is short and easily detached, causing damage to the speaker.
Therefore, it is necessary to provide a new speaker and an electronic terminal to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a speaker and electronic terminal, this speaker be qualified for the next round of competitions and/or the inlet wire welding is more firm, is difficult to throw off.
The technical scheme of the utility model as follows: a loudspeaker comprises a basin frame with a containing space, a vibration system fixed on the basin frame, a magnetic circuit system used for driving the vibration system and a flexible circuit board used for being electrically connected with the vibration system;
the vibration system comprises a voice coil which is accommodated in the accommodating space and is arranged at an interval with the magnetic circuit system; the flexible circuit board comprises a body part fixed on the basin frame, a conduction part connected with the body part and positioned between the short edge of the voice coil and the basin frame, a first bonding pad fixedly arranged on the conduction part, a second bonding pad fixedly arranged on the conduction part and arranged at an interval with the first bonding pad, an outlet wire welded on the first bonding pad and connected with one end of the voice coil facing the magnetic circuit system, and an inlet wire welded on the second bonding pad and connected with one end of the voice coil departing from the magnetic circuit system;
the outgoing line comprises a first welding part used for welding with the first bonding pad and a first connecting part used for connecting the first welding part and the voice coil, and the incoming line comprises a second welding part used for welding with the second bonding pad and a second connecting part used for connecting the second welding part and the voice coil;
first weld part with the long edge direction of voice coil loudspeaker voice coil is the contained angle setting, and/or the second weld part with the long edge direction of voice coil loudspeaker voice coil is the contained angle setting.
As an embodiment of the present invention, the conduction portion is in a rectangular plate shape, and a long side direction of the conduction portion is parallel to a short side direction of the voice coil.
As an embodiment of the present invention, the first pad is rectangular, and a long side direction of the first pad is parallel to a long side direction of the conduction part; the second bonding pad is rectangular, and the long side direction of the second bonding pad is parallel to the long side direction of the conduction part.
As an embodiment of the utility model, the basin frame forms including enclosing the ring-shaped lateral wall of accommodating space, vibration system is still including being fixed in the basin frame deviates from the last vibrating diaphragm of vibration system's one end and being fixed in the basin frame deviates from the lower vibrating diaphragm of the one end of last vibrating diaphragm, this body portion clamp is established the basin frame and with between the lower vibrating diaphragm.
As an embodiment of the utility model, go up the vibrating diaphragm include the folded ring portion, certainly the outer peripheral edges of folded ring portion extend and form and be fixed in first fixed part on the basin frame, certainly the internal peripheral edges of folded ring portion extend second fixed part, the lid that forms and establish on the second fixed part and the butt be in support and butt on the voice coil loudspeaker voice coil are in ball top portion on the support, offer on the support and be used for the restriction the spacing groove that the conduction portion removed, the conduction portion is fixed in the spacing inslot.
As an embodiment of the utility model, the outer peripheral edge orientation of first fixed part the voice coil loudspeaker voice coil is buckled to extend and is formed with annular lateral wall parallel arrangement and butt are in annular lateral wall keeps away from the portion of acceping on one side of voice coil loudspeaker voice coil.
As an embodiment of the utility model, the support is established including being annular and lid diapire on the second fixed part, certainly the outer peripheral edges orientation of diapire the direction of voice coil loudspeaker voice coil is extended and is formed and is used for supporting the skeleton of this part and certainly the inner peripheral edges orientation of diapire the direction of voice coil loudspeaker voice coil is extended and is formed and the butt and be in support ring on the voice coil loudspeaker voice coil periphery, the dome portion lid is established on the diapire, the skeleton with annular lateral wall interval and parallel arrangement, the conduction part is located the skeleton with between the voice coil loudspeaker voice coil.
As an embodiment of the utility model, the lower vibrating diaphragm is including being located the skeleton with the lower folded ring portion between the annular lateral wall, certainly the outer peripheral edges of lower folded ring portion extend to form and the butt is in outer fixed part on this body portion and certainly the internal peripheral edges of lower folded ring portion extend to form and the butt is in interior fixed part on this body portion.
As an embodiment of the utility model, magnetic circuit include the yoke, set firmly in the main magnet steel of yoke central authorities, set firmly in on the yoke and encircle main magnet steel and with the main magnet steel interval sets up in order to form the vice magnet steel in magnetic gap, attached in the main pole core of main magnet steel top and encircleing the main pole core is attached in the vice pole core of vice magnet steel, the voice coil loudspeaker voice coil suspension in the magnetic gap, the vice pole core set firmly in on the basin frame.
The utility model discloses a another technical scheme as follows: an electronic terminal, comprising a terminal body and the speaker as described in any of the above embodiments, the speaker being disposed on the terminal body.
The beneficial effects of the utility model reside in that: the conducting part is positioned between the short side of the voice coil and the basin frame, the outgoing line comprises a first welding part used for welding with the first bonding pad and a first connecting part used for connecting the first welding part and the voice coil, and the incoming line comprises a second welding part used for welding with the second bonding pad and a second connecting part used for connecting the second welding part and the voice coil; because the long limit direction of first weld part and voice coil loudspeaker voice coil is the contained angle setting, and/or the long limit direction of second weld part and voice coil loudspeaker voice coil is the contained angle setting, and then, the length of first weld part and first pad welded part can be longer, the length of second weld part and second pad welded part can be longer, thereby make first weld part and/or second weld part can more stable fix on the conduction portion, and be difficult for deviating from, the life of the speaker in this embodiment has been guaranteed.
[ description of the drawings ]
Fig. 1 is a schematic overall structure diagram of a speaker according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of the loudspeaker of FIG. 1;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1;
fig. 5 is a schematic view of an overall structure of an electronic terminal according to an embodiment of the present invention;
1. a speaker; 2. a terminal body; 100. a basin stand; 101. an accommodating space; 110. an annular sidewall; 200. a vibration system; 210. an upper vibrating diaphragm; 211. an upper folded ring part; 212. a first fixed part; 213. a second fixed part; 214. a housing part; 215. a support; 2141. a limiting groove; 216. a bottom wall; 217. a framework; 218. a support ring; 219. a ball top; 220. a voice coil; 230. a lower diaphragm; 231. a lower dog collar portion; 232. an outer fixing portion; 233. an inner fixing portion; 300. a magnetic circuit system; 310. a magnetic yoke; 320. main magnetic steel; 330. a secondary magnetic steel; 340. a main pole core; 350. a secondary pole core; 360. a magnetic gap; 400. a flexible circuit board; 410. a body portion; 420. a conduction part; 430. a first pad; 440. a second pad; 450. wire outgoing; 451. a first weld; 452. a first connection portion; 460. feeding the wire; 461. a second weld; 462. a second connecting portion.
[ detailed description ] embodiments
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, an embodiment of the present invention provides a speaker 1, in which the speaker 1 includes a frame 100 having an accommodating space 101, a vibration system 200 fixed on the frame 100, a magnetic circuit 300 for driving the vibration system 200, and a flexible circuit board 400 electrically connected to the vibration system 200.
Referring to fig. 2 and fig. 3, in an embodiment, the frame 100 includes an annular sidewall 110, the annular sidewall 110 encloses to form an accommodating space 101, the vibration system 200 includes an upper diaphragm 210 fixed to an end of the frame 100 away from the vibration system 200, a voice coil 220 for driving the upper diaphragm 210 to vibrate, and a lower diaphragm 230 fixed to an end of the frame 100 away from the upper diaphragm 210, the voice coil 220 is accommodated in the accommodating space 101 and spaced from the magnetic circuit 300.
Referring to fig. 2 and 4, in an embodiment, the flexible circuit board 400 includes a body portion 410 sandwiched between the frame 100 and the lower diaphragm 230, a conducting portion 420 connected to the body portion 410 and located between a short side of the voice coil 220 and the frame 100, a first pad 430 fixed on the conducting portion 420, a second pad 440 fixed on the conducting portion 420 and spaced from the first pad 430, an outlet wire 450 welded on the first pad 430 and connected to one end of the voice coil 220 facing the magnetic circuit system 300, and an inlet wire 460 welded on the second pad 440 and connected to one end of the voice coil 220 away from the magnetic circuit system 300. Specifically, the conducting part 420 is disposed between the voice coil 220 and the annular sidewall 110, so that the structure is more reasonable, and the connection between the wire outlet 450 and the wire inlet 460 and the voice coil 220 is facilitated.
Referring to fig. 2 and 4, in an embodiment, the outgoing line 450 includes a first soldering portion 451 for soldering with the first pad 430 and a first connecting portion 452 connecting the first soldering portion 451 and the voice coil 220, and the incoming line 460 includes a second soldering portion 461 for soldering with the second pad 440 and a second connecting portion 462 connecting the second soldering portion 461 and the voice coil 220; the first welding portion 451 and the long side direction of the voice coil 220 form an included angle, and/or the second welding portion 461 and the long side direction of the voice coil 220 form an included angle, and further, the length of the welding portion of the first welding portion 451 and the first pad 430 is longer, and the length of the welding portion of the second welding portion 461 and the second pad 440 is longer, so that the first welding portion 451 and/or the second welding portion 461 can be more stably fixed on the conduction portion 420, and are not easy to fall off, and the service life of the speaker 1 in the embodiment is ensured.
In one embodiment, the conductive part 420 has a rectangular plate shape, and the long side direction of the conductive part 420 is parallel to the short side direction of the voice coil 220.
In one embodiment, the first pad 430 is rectangular, and the long side direction of the first pad 430 is parallel to the long side direction of the conductive part 420; the second pad 440 has a rectangular shape, and the long side direction of the second pad 440 is parallel to the long side direction of the via 420. It should be noted that the first pad 430 and the second pad 440 may also be shaped like a rectangle, and the specific shapes of the first pad 430 and the second pad 440 are not limited.
Referring to fig. 2, in an embodiment, the upper diaphragm 210 includes an upward-folded ring portion 211, a first fixing portion 212 extending from an outer periphery of the upward-folded ring portion 211 and fixed on the frame 100, a second fixing portion 213 extending from an inner periphery of the upward-folded ring portion 211, a bracket 215 covering the second fixing portion 213 and abutting against the voice coil 220, and a dome 219 abutting against the bracket 215, wherein the bracket 215 is provided with a limiting groove 2141 for limiting movement of the conducting portion 420, and the conducting portion 420 is fixed in the limiting groove 2141. The fixing of the conduction part 420 can be more stable through the limiting groove 2141, and the conduction part 420 is not easy to shake, so that the outgoing line 450 and the incoming line 460 are not easy to be separated from the conduction part 420.
Referring to fig. 2, in an embodiment, an outer peripheral edge of the first fixing portion 212 is bent and extended toward the voice coil 220 to form a receiving portion 214, which is parallel to the annular sidewall 110 and abuts against a side of the annular sidewall 110 away from the voice coil 220, and the upper diaphragm 210 is stably fixed on the annular sidewall 110 through the receiving portion 214.
Referring to fig. 2 and fig. 3, in an embodiment, the bracket 215 includes a bottom wall 216 that is annular and covers the second fixing portion 213, a bobbin 217 that extends from an outer periphery of the bottom wall 216 toward the voice coil 220 for supporting the body portion 410, and a support ring 218 that extends from an inner periphery of the bottom wall 216 toward the voice coil 220 and abuts against a periphery of the voice coil 220, the ball top 219 covers the bottom wall 216, the bobbin 217 is spaced from and parallel to the annular sidewall 110, and the conducting portion 420 is located between the bobbin 217 and the voice coil 220. The main body 410 and the lower diaphragm 230 can be stably fixed by the support of the skeleton 217 to the main body 410 and the lower diaphragm 230.
Referring to fig. 2, in an embodiment, the lower diaphragm 230 includes a downward folded ring portion 231 located between the frame 217 and the annular sidewall 110, an outer fixing portion 232 extending from an outer periphery of the downward folded ring portion 231 and abutting against the body portion 410, and an inner fixing portion 233 extending from an inner periphery of the downward folded ring portion 231 and abutting against the body portion 410.
Preferably, the lower diaphragms 230 have two, which are respectively located at both sides of the long side direction of the voice coil 220, and the two lower diaphragms 230 are symmetrically disposed about the voice coil 220.
Referring to fig. 2 and 3, in an embodiment, the magnetic circuit system 300 includes a magnetic yoke 310, a main magnetic steel 320 fixed at the center of the magnetic yoke 310, an auxiliary magnetic steel 330 fixed on the magnetic yoke 310 and surrounding the main magnetic steel 320 and spaced from the main magnetic steel 320 to form a magnetic gap 360, a main pole core 340 attached above the main magnetic steel 320, and an auxiliary pole core 350 surrounding the main pole core 340 and attached to the auxiliary magnetic steel 330, the voice coil 220 is suspended in the magnetic gap 360, and the auxiliary pole core 350 is fixed on the frame 100. Specifically, the main pole core 340 and the sub pole core 350 are respectively located between the voice coil 220 and the lower diaphragm 230.
Referring to fig. 5, another embodiment of the present invention provides an electronic terminal, which includes a terminal body 2 and a speaker 1 as in any of the above embodiments, the speaker 1 is disposed on the terminal body 2, in the speaker 1 of the above embodiments, a conducting portion 420 is located between a short side of the voice coil 220 and the frame 100, an outgoing line 450 includes a first welding portion 451 for welding with a first pad 430 and a first connecting portion 452 connecting the first welding portion 451 with the voice coil 220, and an incoming line 460 includes a second welding portion 461 for welding with a second pad 440 and a second connecting portion 462 connecting the second welding portion 461 with the voice coil 220; because the first welding portion 451 and the long side direction of the voice coil 220 form an included angle, and/or the second welding portion 461 and the long side direction of the voice coil 220 form an included angle, further, the length of the welding portion of the first welding portion 451 and the first pad 430 is longer, and the length of the welding portion of the second welding portion 461 and the second pad 440 is longer, the first welding portion 451 and/or the second welding portion 461 can be more stably fixed on the conduction portion 420, and are not easy to fall off, thereby ensuring the service life of the speaker 1 in the embodiment.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. A loudspeaker, characterized by: the vibration device comprises a basin frame with an accommodating space, a vibration system fixed on the basin frame, a magnetic circuit system used for driving the vibration system and a flexible circuit board used for being electrically connected with the vibration system;
the vibration system comprises a voice coil which is accommodated in the accommodating space and is arranged at an interval with the magnetic circuit system; the flexible circuit board comprises a body part fixed on the basin frame, a conduction part connected with the body part and positioned between the short edge of the voice coil and the basin frame, a first bonding pad fixedly arranged on the conduction part, a second bonding pad fixedly arranged on the conduction part and arranged at an interval with the first bonding pad, an outlet wire welded on the first bonding pad and connected with one end of the voice coil facing the magnetic circuit system, and an inlet wire welded on the second bonding pad and connected with one end of the voice coil departing from the magnetic circuit system;
the outgoing line comprises a first welding part used for welding with the first bonding pad and a first connecting part used for connecting the first welding part and the voice coil, and the incoming line comprises a second welding part used for welding with the second bonding pad and a second connecting part used for connecting the second welding part and the voice coil;
first weld part with the long edge direction of voice coil loudspeaker voice coil is the contained angle setting, and/or the second weld part with the long edge direction of voice coil loudspeaker voice coil is the contained angle setting.
2. The loudspeaker of claim 1, wherein: the conducting part is in a rectangular plate shape, and the long side direction of the conducting part is parallel to the short side direction of the voice coil.
3. The loudspeaker of claim 2, wherein: the first bonding pad is rectangular, and the long side direction of the first bonding pad is parallel to the long side direction of the conducting part; the second bonding pad is rectangular, and the long side direction of the second bonding pad is parallel to the long side direction of the conduction part.
4. The loudspeaker of claim 1, wherein: the basin frame closes the formation including enclosing the annular lateral wall of accommodating space, vibration system is still including being fixed in the basin frame deviates from the last vibrating diaphragm of vibration system's one end and being fixed in the basin frame deviates from the lower vibrating diaphragm of the one end of last vibrating diaphragm, this somatic part presss from both sides and establishes the basin frame and with between the lower vibrating diaphragm.
5. The loudspeaker of claim 4, wherein: go up the vibrating diaphragm and include the ring portion that rolls over, certainly it extends to form and is fixed in to roll over ring portion outer peripheral edges first fixed part on the basin frame, certainly the second fixed part, the lid that the interior periphery of ring portion that rolls over extended the formation are established on the second fixed part and butt are in support and butt on the voice coil loudspeaker voice coil are in ball top on the support, offer on the support and be used for the restriction the spacing groove that the conduction portion removed, the conduction portion is fixed in the spacing inslot.
6. The loudspeaker of claim 5, wherein: the outer periphery of the first fixing portion is bent and extended towards the voice coil to form a containing portion which is arranged in parallel with the annular side wall and abuts against one side, far away from the voice coil, of the annular side wall.
7. The loudspeaker of claim 5, wherein: the support is including being the annular and covering and establishing diapire on the second fixed part, certainly the outer peripheral edges of diapire towards the direction of voice coil loudspeaker voice coil extends the skeleton that forms that is used for supporting this part of body and certainly the inner peripheral edges of diapire towards the direction of voice coil loudspeaker voice coil extends formation and butt and is in support ring on the voice coil loudspeaker voice coil is peripheral, the ball top lid is established on the diapire, the skeleton with annular lateral wall interval and parallel arrangement, the conduction part be located the skeleton with between the voice coil loudspeaker voice coil.
8. The loudspeaker of claim 7, wherein: the lower vibrating diaphragm comprises a downward folding ring part positioned between the framework and the annular side wall, an outer fixing part formed by extending the outer periphery of the downward folding ring part and abutted against the body part, and an inner fixing part formed by extending the inner periphery of the downward folding ring part and abutted against the body part.
9. The loudspeaker according to any one of claims 1-8, wherein: the magnetic circuit system comprises a magnetic yoke, main magnetic steel fixedly arranged at the center of the magnetic yoke, auxiliary magnetic steel fixedly arranged on the magnetic yoke and surrounding the main magnetic steel and arranged at intervals with the main magnetic steel to form a magnetic gap, a main pole core attached above the main magnetic steel and an auxiliary pole core surrounding the main pole core and attached to the auxiliary magnetic steel, wherein the voice coil is suspended in the magnetic gap, and the auxiliary pole core is fixedly arranged on the basin stand.
10. An electronic terminal, characterized by: comprising a terminal body and a loudspeaker according to any of the claims 1-9, arranged on the terminal body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197844.3U CN213126469U (en) | 2020-09-29 | 2020-09-29 | Loudspeaker and electronic terminal |
| PCT/CN2020/124211 WO2022067926A1 (en) | 2020-09-29 | 2020-10-28 | Loudspeaker and electronic terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197844.3U CN213126469U (en) | 2020-09-29 | 2020-09-29 | Loudspeaker and electronic terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126469U true CN213126469U (en) | 2021-05-04 |
Family
ID=75665468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022197844.3U Expired - Fee Related CN213126469U (en) | 2020-09-29 | 2020-09-29 | Loudspeaker and electronic terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213126469U (en) |
| WO (1) | WO2022067926A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067926A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and electronic terminal |
| US20220174416A1 (en) * | 2020-11-30 | 2022-06-02 | Aac Microtech (Changzhou) Co., Ltd. | Sounding device |
| JP7253311B1 (en) | 2022-04-06 | 2023-04-06 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | vocal equipment |
| JP7329122B1 (en) | 2022-04-06 | 2023-08-17 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | vocalization unit |
| JP7329123B1 (en) | 2022-04-06 | 2023-08-17 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | voice parts |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208158868U (en) * | 2018-04-25 | 2018-11-27 | 歌尔科技有限公司 | A kind of sounding device |
| CN208908489U (en) * | 2018-08-01 | 2019-05-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN111405431B (en) * | 2019-12-27 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Sound production device and loudspeaker box thereof |
| CN211531292U (en) * | 2019-12-27 | 2020-09-18 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN213126469U (en) * | 2020-09-29 | 2021-05-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker and electronic terminal |
-
2020
- 2020-09-29 CN CN202022197844.3U patent/CN213126469U/en not_active Expired - Fee Related
- 2020-10-28 WO PCT/CN2020/124211 patent/WO2022067926A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067926A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and electronic terminal |
| US20220174416A1 (en) * | 2020-11-30 | 2022-06-02 | Aac Microtech (Changzhou) Co., Ltd. | Sounding device |
| US11589165B2 (en) * | 2020-11-30 | 2023-02-21 | Aac Microtech (Changzhou) Co., Ltd. | Sounding device |
| JP7253311B1 (en) | 2022-04-06 | 2023-04-06 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | vocal equipment |
| JP7329122B1 (en) | 2022-04-06 | 2023-08-17 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | vocalization unit |
| JP7329123B1 (en) | 2022-04-06 | 2023-08-17 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | voice parts |
| JP2023154386A (en) * | 2022-04-06 | 2023-10-19 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | Vocal component |
| JP2023154385A (en) * | 2022-04-06 | 2023-10-19 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | Sounding unit |
| JP2023154387A (en) * | 2022-04-06 | 2023-10-19 | エーエーシー マイクロテック（チャンヂョウ）カンパニー リミテッド | Vocalization facility |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022067926A1 (en) | 2022-04-07 |
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| GR01 | Patent grant | ||
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