CN114157953B - Sound producing device of flat earphone - Google Patents
Sound producing device of flat earphone Download PDFInfo
- Publication number
- CN114157953B CN114157953B CN202111430609.9A CN202111430609A CN114157953B CN 114157953 B CN114157953 B CN 114157953B CN 202111430609 A CN202111430609 A CN 202111430609A CN 114157953 B CN114157953 B CN 114157953B
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- Prior art keywords
- groove
- limiting
- earphone
- clamping
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Abstract
The application discloses a sound producing device of a flat earphone, which relates to the technical field of flat earphones and comprises an earphone body, wherein an earphone shell is arranged on the earphone body, the earphone shell comprises an outer shell and an inner shell, one side of the inner shell is provided with a containing groove, a loudspeaker is arranged in the containing groove, a fixing piece is arranged on the containing groove, and a fixing hole matched with the fixing piece is formed in the loudspeaker. According to the application, the loudspeaker can be quickly assembled and disassembled through the arranged fixing piece, an external tool is not needed, time and labor are saved, the working efficiency is effectively improved, convenience is brought to maintenance and replacement of the loudspeaker, the design structure is simple, the operation is convenient, the cost is low, the device is suitable for large-scale mass production, the inner shell can be quickly assembled and disassembled through the arranged clamping groove and the limiting piece matched with the clamping block, the loudspeaker can be further conveniently assembled or disassembled, and convenience is brought to operators.
Description
Technical Field
The application relates to the technical field of flat-panel headphones, in particular to a sound producing device of the flat-panel headphones.
Background
The headphones are a pair of conversion units that receive electrical signals from the media player or receiver and convert them into audible sound waves using a speaker proximate the ear. Headphones can be divided into three categories by transduction: moving coil earphone, moving iron earphone and static earphone. The loudspeaker is the main sound producing device of the earphone.
However, in the prior art, the sound emitting device of the flat earphone is usually fixed on the shell by bolts, and the assembly and the disassembly are carried out by means of external tools, so that the assembly and the disassembly are labor-consuming, the working efficiency is low, and inconvenience is brought to replacement and maintenance of the sound emitting device. Accordingly, a sound emitting device of a flat earphone is provided by a person skilled in the art to solve the above-mentioned problems in the background art.
Disclosure of Invention
The present application is directed to a sound generating device of a flat earphone, which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the utility model provides a sound producing device of flat-panel earphone, includes the earphone body, be provided with the earphone shell on the earphone body, the earphone shell includes shell body and interior casing, one side of interior casing is provided with the holding tank, be provided with the speaker in the holding tank, and be provided with the mounting on the holding tank, set up on the speaker with the fixed orifices of mounting looks adaptation.
Preferably, the fixing member includes a fixing pin penetrating through the accommodating groove, one end of the fixing pin is provided with a blocking ring, and a first elastic member is sleeved on the outer side of the fixing pin.
Preferably, a circuit board is arranged in the outer shell, the circuit board is arranged on the positioning column, and a through hole matched with the positioning column is formed in the circuit board; and a limit column is arranged on one side of the inner shell, which is close to the outer shell, and a chute matched with the limit column is arranged on the circuit board.
Preferably, the limit post comprises a limit block arranged on the inner shell, and a limit rod is arranged at the tail end of the limit block.
Preferably, the positioning column and the limiting column have the same structure.
Preferably, the shell is provided with a clamping groove, one side of the clamping groove is provided with a limiting groove, and the limiting groove is provided with a limiting piece; the edge of the inner shell is provided with a clamping block matched with the clamping groove and the limiting groove.
Preferably, the limiting piece comprises a groove formed in the limiting groove, a second elastic piece is arranged in the groove, and a stop block is arranged at the tail end of the second elastic piece.
Preferably, the clamping block is provided with a cutting part matched with the stop block.
Preferably, the accommodating groove is provided with a through hole.
Preferably, the circuit board is clamped at a gap between the positioning column and the limiting column.
Preferably, the first elastic member is a spring.
Preferably, the second elastic member is a spring.
Preferably, the fixing members are provided at least two.
Preferably, at least two clamping grooves are formed.
Preferably, the speaker is electrically connected with the circuit board through a wire.
In the above technical solution, the sound emitting device of the flat earphone provided by the present application has the following beneficial effects:
1. according to the application, the loudspeaker can be quickly assembled and disassembled through the fixed piece, an external tool is not needed, time and labor are saved, the working efficiency is effectively improved, convenience is brought to maintenance and replacement of the loudspeaker, and the loudspeaker is simple in design structure, convenient to operate, low in cost and suitable for large-scale mass production.
2. According to the application, the circuit board can be quickly installed and detached through the locating column and the limiting column, the circuit board is firmly fixed, and a certain protection effect can be generated on the circuit board.
3. According to the application, the inner shell can be quickly installed and disassembled through the clamping groove and the limiting piece matched with the clamping block, so that the loudspeaker can be further conveniently installed or disassembled, convenience is provided for operators, and the working efficiency is effectively improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a sound emitting device of a tablet earphone according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a middle ear shell of a sound producing device of a flat-panel earphone according to an embodiment of the present application;
fig. 3 is a side view of an inner housing in a sound emitting device of a flat-panel earphone according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of an inner housing in a sound emitting device of a tablet earphone according to an embodiment of the present application;
fig. 5 is a partial enlarged view of a sound emitting device a of a flat earphone according to an embodiment of the present application;
fig. 6 is a schematic diagram of an installation structure of an inner housing and an outer housing in a sound emitting device of a flat earphone according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an inner housing installed in a sound emitting device of a tablet earphone according to an embodiment of the present application;
fig. 8 is a partial enlarged view of B in the sound emitting device of the flat-panel earphone according to the embodiment of the present application.
Reference numerals illustrate:
1. an earphone body; 2. a earphone shell; 3. an outer housing; 4. an inner housing; 5. a receiving groove; 6. a speaker; 61. a fixing hole; 7. a fixing member; 71. a fixing pin; 72. a baffle ring; 73. a first elastic member; 8. a circuit board; 9. positioning columns; 10. a limit column; 11. a clamping groove; 12. a limit groove; 13. a limiting piece; 14. a clamping block; 141. a cutting portion; 15. a groove; 16. a second elastic member; 17. and a stop block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1-8, a sound producing device of a flat earphone includes an earphone body 1, a earphone shell 2 is provided on the earphone body 1, the earphone shell 2 includes an outer shell 3 and an inner shell 4, the inner shell 4 is fixed on the outer shell 3, one side of the inner shell 4 is provided with a containing groove 5, a loudspeaker 6 is provided in the containing groove 5, a fixing piece 7 is provided on the containing groove 5, a fixing hole 61 matched with the fixing piece 7 is provided on the loudspeaker 6, the loudspeaker 6 is installed on the containing groove 5 through the fixing piece 7, a through hole is provided on the containing groove 5 for transmitting sound, the application can realize rapid installation and disassembly of the loudspeaker 6 through the fixing piece 7, and does not need an external tool, so that the application is time-saving and labor-saving, effectively improves the working efficiency, facilitates maintenance and replacement of the loudspeaker 6.
Specifically, in this embodiment, the speaker 6 is first installed in the accommodating groove 5, the speaker 6 is fixed by the fixing member 7, and then the inner housing 4 is installed on the outer housing 3.
In still another embodiment of the present application, the fixing member 7 includes a fixing pin 71 penetrating through the accommodating groove 5, one end of the fixing pin 71 is provided with a stop ring 72, and a first elastic member 73 is sleeved on the outer side of the fixing pin 71, where the first elastic member 73 is a spring, and the elastic force drives the fixing pin 71 to penetrate through the accommodating groove 5 and insert into the fixing hole 61 to fix the speaker 6.
Specifically, in this embodiment, when the speaker 6 needs to be fixed, the stop ring 72 is pulled first to drive the fixing pin 71 to move towards the direction of the accommodating groove 5 and enter the accommodating groove 5, at this time, the first elastic member 73 is in a compressed state, then the speaker 6 is installed into the accommodating groove 5, so that the fixing hole 61 is aligned with the position of the fixing pin 71, and then the stop ring 72 is released, at this time, the elastic force of the first elastic member 73 drives the fixing pin 71 to step out of the accommodating groove 5 and insert into the fixing hole 61, so as to achieve the purpose of fixing the speaker 6; when the loudspeaker 6 needs to be removed, the baffle ring 72 is pulled in a similar way, the fixing pin 71 enters the accommodating groove 5, and the loudspeaker 6 is taken out.
In still another embodiment provided by the application, a circuit board 8 is arranged in an outer shell 3, the circuit board 8 is arranged on a positioning column 9, a through hole matched with the positioning column 9 is formed in the circuit board 8, and the circuit board 8 is pre-fixed through the positioning column 9, so that the circuit board 8 is clamped in the outer shell 3 through the positioning column 9; the one side that inner shell 4 is close to outer shell 3 is provided with spacing post 10, offered the spout with spacing post 10 looks adaptation on the circuit board 8, and when inner shell 4 rotated, spacing post 10 was used for fixing circuit board 8 after the pre-fixation, and spacing post 10 can follow the spout and slide, and circuit board 8 card is in the clearance department between reference column 9 and spacing post 10, and specifically, when inner shell 4 was installed to outer shell 3, in the spout on the spacing post 10 insert circuit board 8 on the inner shell 4 for circuit board 8 card is between reference column 9 and spacing post 10, realizes the fixed of circuit board 8.
In still another embodiment provided by the application, the limiting post 10 comprises a limiting block arranged on the inner shell 4, the tail end of the limiting block is provided with a limiting rod, the positioning post 9 and the limiting post 10 have the same structure, the circuit board 8 is clamped between the limiting blocks on the positioning post 9 and the limiting post 10, and the limiting rods respectively penetrate through the circuit board 8, so that the circuit board 8 is fixed more firmly, and a certain protection effect can be generated on the circuit board 8.
In still another embodiment provided by the application, the outer shell 3 is provided with the clamping groove 11, one side of the clamping groove 11 is provided with the limiting groove 12, the limiting groove 12 is provided with the limiting piece 13 which is arranged on the inner wall of the outer shell 3, and the limiting piece 13 can limit and fix the inner shell 4; the edge of inner shell 4 is provided with draw-in groove 11 and spacing groove 12 looks adaptation fixture block 14, fixture block 14 mountable is gone into in draw-in groove 11 to rotatable to in spacing groove 12, when fixture block 14 rotated to in spacing groove 12, extrusion locating part 13 makes it get into in the shell body 3, and after the rotation, locating part 13 automatic re-setting, chucking fixture block 14 carries out spacing fixedly to fixture block 14, and the quick installation and the dismantlement of inner shell 4 can be realized through the locating part 13 that the draw-in groove 11, the fixture block 14 cooperation that set up, further convenience is installed or is dismantled speaker 6, for operating personnel provides convenience, effectively improves work efficiency.
In still another embodiment of the present application, the limiting member 13 includes a groove 15 formed on the limiting groove 12, a second elastic member 16 is disposed in the groove 15, a stop block 17 is disposed at an end of the second elastic member 16, the second elastic member 16 is a spring, an elastic force drives the stop block 17 to extend out of the groove 15, and a cutting portion 141 adapted to the stop block 17 is disposed on the clamping block 14, so as to facilitate extrusion of the stop block 17.
Specifically, in this embodiment, when the inner housing 4 needs to be installed, the clamping block 14 is aligned with the clamping groove 11 on the outer housing 3, and inserted into the clamping groove 11, and then the inner housing 4 is rotated to drive the clamping block 14 to move from the clamping groove 11 into the limiting groove 12, when the cutting portion 141 on the clamping block 14 rotates to the position of the stop block 17, the clamping block 14 continues to rotate, and the clamping block 14 can generate extrusion force on the stop block 17, so that the clamping block 17 enters the groove 15, at this time, the second elastic member 16 is in a compressed state until the clamping block 14 completely rotates into the limiting groove 12, at this time, the second elastic member 16 releases the elastic force to drive the stop block 17 to extend out of the groove 15, and limit the clamping block 14, thereby realizing the installation of the inner housing 4.
In a further embodiment of the application, at least two fixing elements 7 are provided for ensuring the stability of the installation of the loudspeaker 6.
In still another embodiment of the present application, at least two clamping grooves 11 are formed to enhance the installation stability of the inner housing 4.
In still another embodiment of the present application, the speaker 6 is electrically connected to the circuit board 8 through a wire, so as to control the speaker 6 to work and realize the sound production of the flat earphone.
The working principle of the application is as follows: in the actual use process, firstly, install speaker 6 in holding tank 5, through pulling baffle ring 72, drive fixed pin 71 and move towards holding tank 5's direction, get into holding tank 5, at this moment, first elastic component 73 is compressed state, then load speaker 6 into holding tank 5, make fixed orifices 61 aim at fixed pin 71's position, at this moment, loosen baffle ring 72 again, at this moment, the elastic force of first elastic component 73 drives fixed pin 71 to step out holding tank 5 and insert fixed orifices 61, fix speaker 6, then install circuit board 8 on reference column 9, install inner shell 4 on outer shell 3, first with clamping block 14 and the draw-in groove 11 on outer shell 3 align, insert in draw-in groove 11, then rotate inner shell 4, drive clamping block 14 by draw-in groove 11 to the internal motion of spacing groove 12, when the cutting part 141 on clamping block 14 rotates to the position of dog 17, the clamping block 14 continues to rotate this moment, clamping block 14 can produce dog 17, make it get into recess 15, the extrusion force, second elastic component 16 is compressed state, until clamping block 14 rotates completely to the clamping block 12, the inner shell 4 is installed to the spacing groove 10, when the circuit board 8 is installed to the inner shell 4, namely, the spacing groove 8 is fixed to the inner shell 4, when the spacing groove 8 is installed to the inner shell 4, namely, the spacing groove 10 is realized to the spacing board is stretched out to the inner shell 4.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (1)
1. The utility model provides a pronunciation device of panel earphone, includes earphone body (1), its characterized in that: the earphone comprises an earphone body (1), wherein an earphone shell (2) is arranged on the earphone body (1), the earphone shell (2) comprises an outer shell (3) and an inner shell (4), one side of the inner shell (4) is provided with an accommodating groove (5), a loudspeaker (6) is arranged in the accommodating groove (5), a fixing piece (7) is arranged on the accommodating groove (5), and a fixing hole (61) matched with the fixing piece (7) is formed in the loudspeaker (6); the fixing piece (7) comprises a fixing pin (71) penetrating through the accommodating groove (5), one end of the fixing pin (71) is provided with a baffle ring (72), and the outer side of the fixing pin (71) is sleeved with a first elastic piece (73); a circuit board (8) is arranged in the outer shell (3), the circuit board (8) is arranged on the positioning column (9), and a through hole matched with the positioning column (9) is formed in the circuit board (8);
a limit column (10) is arranged on one side, close to the outer shell (3), of the inner shell (4), and a sliding groove matched with the limit column (10) is formed in the circuit board (8); the limiting post (10) comprises a limiting block arranged on the inner shell (4), and a limiting rod is arranged at the tail end of the limiting block; the positioning column (9) and the limiting column (10) have the same structure; a clamping groove (11) is formed in the outer shell (3), a limiting groove (12) is formed in one side of the clamping groove (11), and a limiting piece (13) is arranged on the limiting groove (12); the edge of the inner shell (4) is provided with a clamping block (14) which is matched with the clamping groove (11) and the limiting groove (12); the limiting piece (13) comprises a groove (15) formed in the limiting groove (12), a second elastic piece (16) is arranged in the groove (15), and a stop block (17) is arranged at the tail end of the second elastic piece (16); the clamping block (14) is provided with a cutting part (141) matched with the stop block (17); the accommodating groove (5) is provided with a through hole; the circuit board (8) is clamped at a gap between the positioning column (9) and the limiting column (10); the first elastic piece (73) is a spring; the second elastic piece (16) is a spring; at least two fixing pieces (7) are arranged; at least two clamping grooves (11) are formed; the loudspeaker (6) is electrically connected with the circuit board (8) through a wire; firstly, the clamping block (14) is aligned with the clamping groove (11) on the outer shell (3), the clamping block is inserted into the clamping groove (11), then the inner shell (4) is rotated, the clamping block (14) is driven to move inwards from the clamping groove (11) to the limiting groove (12), when the cutting part (141) on the clamping block (14) rotates to the position of the stop block (17), the clamping block (14) continues to rotate, the clamping block (14) can generate extrusion force on the stop block (17) to enable the stop block to enter the groove (15), at the moment, the second elastic piece (16) is in a compressed state until the clamping block (14) completely rotates into the limiting groove (12), at the moment, the second elastic piece (16) releases elastic force to drive the stop block (17) to extend out of the groove (15), and the installation of the inner shell (4) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430609.9A CN114157953B (en) | 2021-11-29 | 2021-11-29 | Sound producing device of flat earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430609.9A CN114157953B (en) | 2021-11-29 | 2021-11-29 | Sound producing device of flat earphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114157953A CN114157953A (en) | 2022-03-08 |
| CN114157953B true CN114157953B (en) | 2023-11-24 |
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ID=80784128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111430609.9A Active CN114157953B (en) | 2021-11-29 | 2021-11-29 | Sound producing device of flat earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114157953B (en) |
Citations (8)
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|---|---|---|---|---|
| GB701527A (en) * | 1951-03-27 | 1953-12-30 | Parsons C H Ltd | Improvements in or relating to electric switched socket units |
| US4306121A (en) * | 1979-04-12 | 1981-12-15 | Instrument Systems Corporation | Electro-acoustic transducer assembly |
| KR101289244B1 (en) * | 2013-04-04 | 2013-07-26 | 주식회사 블루콤 | Ear set having an automatic winding apparatus |
| CN209299493U (en) * | 2019-03-19 | 2019-08-23 | 吉安市立讯射频科技股份有限公司 | Bluetooth headset that is a kind of easy to disassemble and adjusting |
| CN209823984U (en) * | 2019-07-23 | 2019-12-20 | 江西省瑞金市辉源电子科技有限公司 | Miniature loudspeaker box |
| CN212809436U (en) * | 2020-07-24 | 2021-03-26 | 武汉岩海工程技术有限公司 | Multi-sensor information acquisition equipment based on Bluetooth gateway |
| CN213880196U (en) * | 2020-12-09 | 2021-08-03 | 王卉 | 3D who matches ear shape prints earphone shell |
| CN214177563U (en) * | 2021-02-02 | 2021-09-10 | 薛洪 | Miniature plane vibrating diaphragm loudspeaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100890220B1 (en) * | 2008-09-10 | 2009-03-25 | 주식회사 예일전자 | Sensory signal ouput apparatus |
-
2021
- 2021-11-29 CN CN202111430609.9A patent/CN114157953B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB701527A (en) * | 1951-03-27 | 1953-12-30 | Parsons C H Ltd | Improvements in or relating to electric switched socket units |
| US4306121A (en) * | 1979-04-12 | 1981-12-15 | Instrument Systems Corporation | Electro-acoustic transducer assembly |
| KR101289244B1 (en) * | 2013-04-04 | 2013-07-26 | 주식회사 블루콤 | Ear set having an automatic winding apparatus |
| CN209299493U (en) * | 2019-03-19 | 2019-08-23 | 吉安市立讯射频科技股份有限公司 | Bluetooth headset that is a kind of easy to disassemble and adjusting |
| CN209823984U (en) * | 2019-07-23 | 2019-12-20 | 江西省瑞金市辉源电子科技有限公司 | Miniature loudspeaker box |
| CN212809436U (en) * | 2020-07-24 | 2021-03-26 | 武汉岩海工程技术有限公司 | Multi-sensor information acquisition equipment based on Bluetooth gateway |
| CN213880196U (en) * | 2020-12-09 | 2021-08-03 | 王卉 | 3D who matches ear shape prints earphone shell |
| CN214177563U (en) * | 2021-02-02 | 2021-09-10 | 薛洪 | Miniature plane vibrating diaphragm loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114157953A (en) | 2022-03-08 |
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Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
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Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Applicant before: Kunshan Haifeiman Technology Group Co.,Ltd. |
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