CN111163407A - Loudspeaker with positioning piece and assembling method thereof - Google Patents

Loudspeaker with positioning piece and assembling method thereof Download PDF

Info

Publication number
CN111163407A
CN111163407A CN202010006464.9A CN202010006464A CN111163407A CN 111163407 A CN111163407 A CN 111163407A CN 202010006464 A CN202010006464 A CN 202010006464A CN 111163407 A CN111163407 A CN 111163407A
Authority
CN
China
Prior art keywords
voice coil
hole
loudspeaker
vibrating diaphragm
diaphragm
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.)
Granted
Application number
CN202010006464.9A
Other languages
Chinese (zh)
Other versions
CN111163407B (en
Inventor
王隆辉
万领
邓鸿斌
郑佳祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Tuness Electronic Co ltd
Original Assignee
Xiamen Tuness Electronic Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiamen Tuness Electronic Co ltd filed Critical Xiamen Tuness Electronic Co ltd
Priority to CN202010006464.9A priority Critical patent/CN111163407B/en
Publication of CN111163407A publication Critical patent/CN111163407A/en
Application granted granted Critical
Publication of CN111163407B publication Critical patent/CN111163407B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2231/00Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/003Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The invention relates to the field of speakers, and provides a speaker with a positioning piece and an assembling method thereof. A method of assembling a loudspeaker with a spacer, comprising the steps of: s1, bonding the top ball with the second through hole and the third through hole on the outer side of the vibrating part of the vibrating diaphragm with the first through hole; s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold; s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece; and S4, bonding the base frame bonded with the magnetic circuit system on the diaphragm to complete the assembly. The adoption is provided with the setting element between vibrating diaphragm and voice coil loudspeaker voice coil, not only of setting element is fixed as an organic whole with voice coil loudspeaker voice coil, vibrating diaphragm and ball top, and has increased the depth of insertion of voice coil loudspeaker voice coil in magnetic field to increased the effective height in voice coil loudspeaker voice coil cutting magnetic field, promoted the electroacoustic performance of speaker.

Description

Loudspeaker with positioning piece and assembling method thereof
Technical Field
The invention relates to the field of speakers, in particular to a speaker with a positioning piece and an assembling method thereof.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the vibrating diaphragm vibrate and generate resonance (resonance) with the surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effect.
At present, the effective height of a voice coil cutting magnetic field of a loudspeaker on the existing market is lower, so that the electroacoustic performance of the loudspeaker is poorer.
Disclosure of Invention
The invention provides a loudspeaker with a positioning piece and an assembling method thereof, which can effectively solve the problems.
The invention is realized by the following steps:
a method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the top ball with the second through hole and the third through hole on the outer side of the vibrating part of the vibrating diaphragm with the first through hole;
s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece;
and S4, bonding the base frame bonded with the magnetic circuit system on the diaphragm to complete the assembly.
A loudspeaker with a spacer, comprising: magnetic circuit, vibration system and bed frame, magnetic circuit includes central magnet and limit magnet, vibration system includes voice coil loudspeaker voice coil, vibrating diaphragm and ball top, vibration system further includes the setting element, and it includes:
a first positioning portion connected between the voice coil and the diaphragm;
the interval sets up in first location portion keeps away from the second location portion of voice coil loudspeaker voice coil one side, be equipped with on the vibrating diaphragm with second location portion complex first through-hole.
As a further improvement, the positioning element further includes a clamping portion vertically connected to the second positioning portion and abutted against the diaphragm.
As a further improvement, the ball top is provided with:
a second through hole partially fitted with the second positioning portion;
and the third through hole is communicated with one side of the second through hole, which is far away from the vibrating diaphragm, and is matched with the clamping part.
As a further improvement, the first positioning portion is provided with a limit groove matched with the voice coil.
As a further improvement, the depth of the limiting groove is 0.2 mm-3 mm.
In a further improvement, the height of the first positioning portion is 1mm to 5 mm.
The invention has the beneficial effects that: the adoption is provided with the setting element between vibrating diaphragm and voice coil loudspeaker voice coil, not only of setting element is fixed as an organic whole with voice coil loudspeaker voice coil, vibrating diaphragm and ball top, and has increased the depth of insertion of voice coil loudspeaker voice coil in magnetic field to increased the effective height in voice coil loudspeaker voice coil cutting magnetic field, promoted the electroacoustic performance of speaker.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of the structure provided by the embodiment of the present invention.
Fig. 2 is a cross-sectional view provided by an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a positioning element according to an embodiment of the present invention.
Fig. 4 is a schematic view of a diaphragm and a dome assembly provided in an embodiment of the present invention.
Fig. 5 is a schematic view of a diaphragm structure according to an embodiment of the present invention.
In the figure: 1. center magnet 2, edge magnet 3, pedestal 4, voice coil 5, vibrating diaphragm
51. First through hole 6, ball top 61, second through hole 62, third through hole
7. Positioning member 71, first positioning portion 711, stopper groove 72, second positioning portion
73. Clamping part 8.U iron
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, a speaker with a positioning member 7 includes: magnetic circuit, vibration system, bed frame 3 and U iron 8, magnetic circuit includes central magnet 1 and limit magnet 2, vibration system includes voice coil loudspeaker voice coil 4, vibrating diaphragm 5 and dome 6, vibration system further includes setting element 7, and it includes: a first positioning portion 71 connected between the voice coil 4 and the diaphragm 5; and a second positioning portion 72 spaced apart from the first positioning portion 71 and away from the voice coil 4, wherein the diaphragm 5 is provided with a first through hole 51 engaged with the second positioning portion 72. The adoption is provided with setting element 7 between vibrating diaphragm 5 and voice coil 4, setting element 7 not only fixes voice coil loudspeaker voice coil 4, vibrating diaphragm 5 and dome 6 as an organic whole, and has increased the depth of insertion of voice coil loudspeaker voice coil 4 in magnetic field to increased the effective height in voice coil loudspeaker voice coil 4 cutting magnetic field, promoted the electroacoustic performance of speaker.
Referring to fig. 2 to 3, the positioning member 7 further includes a clamping portion 73 vertically connected to the second positioning portion 72 and abutting against the diaphragm 5. The ball top 6 is provided with: a second through hole 61 partially fitted with the second positioning portion 72; and a third through hole 62 communicated with the second through hole 61 far away from one side of the diaphragm 5 and matched with the clamping part 73.
As shown in fig. 2, the height of the first positioning portion 71 is 1mm to 5 mm. In this embodiment, the height of the first positioning portion 71 is 3 mm. The first positioning portion 71 is provided with a limiting groove 711 matched with the voice coil 4, and the depth of the limiting groove 711 is 0.2 mm-3 mm. In this embodiment, the depth of the limiting groove 711 is 1 mm. That is, in the present embodiment, the voice coil 4 is raised by 2mm compared to the conventional speaker without the spacer 7. The arrangement of the limiting groove 711 improves the positioning precision of the voice coil 4, improves the vibration resistance of the voice coil 4, reduces the falling risk of the voice coil 4, and improves the production and assembly efficiency of the voice coil device.
The positioning member 7 is made of plastic. The voice coil 4 and the vibrating diaphragm 5 are respectively arranged in a mould cavity, the voice coil 4, the vibrating diaphragm 5 and the ball top 6 are bonded together through plastic after injection moulding, and then the loudspeaker is assembled through subsequent loudspeaker assembling procedures. Compared with the traditional voice coil 4 assembling process, the assembling efficiency and the assembling precision are improved. Note that the positioning member 7 is cooled from a molten state to a solid state.
A method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the dome 6 with the second through hole 61 and the third through hole 62 on the outer side of the vibrating part of the vibrating diaphragm 5 with the first through hole 51;
s2, placing the diaphragm 5 bonded with the ball top 6 into an injection mold, and placing the voice coil 4 into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to penetrate into the first through hole 51, the second through hole 61 and the third through hole 62, bonding the voice coil 4, the vibrating diaphragm 5 and the ball top 6 into a whole, and cooling the injection molding molten liquid to form a solid positioning piece 7;
and S4, bonding the base frame 3 bonded with the magnetic circuit system on the diaphragm 5 to complete the assembly.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A method of assembling a loudspeaker with a spacer, comprising the steps of:
s1, bonding the top ball with the second through hole and the third through hole to the outer side of the vibrating part of the vibrating diaphragm with the first through hole;
s2, placing the vibrating diaphragm bonded with the ball top into an injection mold, and placing the voice coil into the injection mold;
s3, starting an injection molding process, enabling injection molding molten liquid to permeate into the first through hole, the second through hole and the third through hole, bonding the voice coil, the vibrating diaphragm and the ball top into a whole, and cooling the injection molding molten liquid to form a solid positioning piece;
and S4, bonding the base frame bonded with the magnetic circuit system on the diaphragm to complete the assembly.
2. A loudspeaker with a spacer, comprising: magnetic circuit, vibration system and bed frame, magnetic circuit includes central magnet and limit magnet, vibration system includes voice coil loudspeaker voice coil, vibrating diaphragm and ball top, its characterized in that, vibration system further includes the setting element, and it includes:
a first positioning portion connected between the voice coil and the diaphragm;
the interval sets up in first location portion keeps away from the second location portion of voice coil loudspeaker voice coil one side, be equipped with on the vibrating diaphragm with second location portion complex first through-hole.
3. The loudspeaker with the positioning member according to claim 2, wherein the positioning member further comprises a clamping portion vertically connected to the second positioning portion and abutted against the diaphragm.
4. A loudspeaker with a spacer as claimed in claim 3, wherein the dome is provided with:
a second through hole partially fitted with the second positioning portion;
and the third through hole is communicated with one side of the second through hole, which is far away from the vibrating diaphragm, and is matched with the clamping part.
5. The loudspeaker with the positioning member according to claim 2, wherein the first positioning portion is provided with a limit groove for matching with the voice coil.
6. The loudspeaker with the positioning piece as claimed in claim 5, wherein the depth of the limiting groove is 0.2mm to 3 mm.
7. The loudspeaker with the positioning member as claimed in claim 2, wherein the height of the first positioning portion is 1mm to 5 mm.
CN202010006464.9A 2020-01-03 2020-01-03 Loudspeaker with positioning piece and assembling method thereof Active CN111163407B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010006464.9A CN111163407B (en) 2020-01-03 2020-01-03 Loudspeaker with positioning piece and assembling method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010006464.9A CN111163407B (en) 2020-01-03 2020-01-03 Loudspeaker with positioning piece and assembling method thereof

Publications (2)

Publication Number Publication Date
CN111163407A true CN111163407A (en) 2020-05-15
CN111163407B CN111163407B (en) 2020-12-25

Family

ID=70561269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010006464.9A Active CN111163407B (en) 2020-01-03 2020-01-03 Loudspeaker with positioning piece and assembling method thereof

Country Status (1)

Country Link
CN (1) CN111163407B (en)

Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060239494A1 (en) * 2005-03-31 2006-10-26 Pioneer Corporation Speaker apparatus
CN201491243U (en) * 2009-07-24 2010-05-26 常州美欧电子有限公司 Vibration film and sound production device using same
US20100316249A1 (en) * 2009-06-12 2010-12-16 Hosiden Corporation Speaker
CN201854416U (en) * 2009-12-21 2011-06-01 瑞声声学科技(深圳)有限公司 Loudspeaker
US20120170794A1 (en) * 2011-01-04 2012-07-05 Samsung Electronics Co., Ltd. Slim-type speaker and method of assembling the same
CN202455528U (en) * 2011-12-30 2012-09-26 瑞声声学科技(常州)有限公司 Thin-type loudspeaker
CN202856969U (en) * 2012-11-13 2013-04-03 厦门东声电子有限公司 Mini loudspeaker
CN203574856U (en) * 2013-11-14 2014-04-30 歌尔声学股份有限公司 Loudspeaker
CN203691624U (en) * 2013-12-26 2014-07-02 歌尔声学股份有限公司 Loudspeaker
CN204425645U (en) * 2015-02-26 2015-06-24 歌尔声学股份有限公司 Loud speaker
CN205179344U (en) * 2015-08-24 2016-04-20 张扬 Electroacoustic device
US20160112793A1 (en) * 2014-10-17 2016-04-21 Kabushiki Kaisha Audio-Technica Dynamic microphone unit and dynamic microphone
US20170034627A1 (en) * 2015-07-31 2017-02-02 Aac Technologies Pte, Ltd. Speaker
US20170048621A1 (en) * 2015-08-10 2017-02-16 AAC Technologies Pte. Ltd. Speaker
CN205987363U (en) * 2016-08-26 2017-02-22 深圳市音沃仕科技有限公司 Electroacoustic transducer
CN206575586U (en) * 2017-03-16 2017-10-20 江西联创宏声电子股份有限公司 Novel vibrating system
CN207010972U (en) * 2017-07-28 2018-02-13 常州市润蒙声学科技有限公司 Loudspeaker
CN109040906A (en) * 2018-08-14 2018-12-18 瑞声科技(新加坡)有限公司 Microphone device
CN208638645U (en) * 2018-08-04 2019-03-22 瑞声科技(新加坡)有限公司 Vibrating diaphragm and loudspeaker
CN208638639U (en) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 Loudspeaker
WO2019128440A1 (en) * 2017-12-25 2019-07-04 歌尔股份有限公司 Diaphragm, and sound generator comprising same
CN209201326U (en) * 2018-12-20 2019-08-02 瑞声科技(新加坡)有限公司 Microphone device

Patent Citations (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060239494A1 (en) * 2005-03-31 2006-10-26 Pioneer Corporation Speaker apparatus
US20100316249A1 (en) * 2009-06-12 2010-12-16 Hosiden Corporation Speaker
CN201491243U (en) * 2009-07-24 2010-05-26 常州美欧电子有限公司 Vibration film and sound production device using same
CN201854416U (en) * 2009-12-21 2011-06-01 瑞声声学科技(深圳)有限公司 Loudspeaker
US20120170794A1 (en) * 2011-01-04 2012-07-05 Samsung Electronics Co., Ltd. Slim-type speaker and method of assembling the same
CN202455528U (en) * 2011-12-30 2012-09-26 瑞声声学科技(常州)有限公司 Thin-type loudspeaker
CN202856969U (en) * 2012-11-13 2013-04-03 厦门东声电子有限公司 Mini loudspeaker
CN203574856U (en) * 2013-11-14 2014-04-30 歌尔声学股份有限公司 Loudspeaker
CN203691624U (en) * 2013-12-26 2014-07-02 歌尔声学股份有限公司 Loudspeaker
US20160112793A1 (en) * 2014-10-17 2016-04-21 Kabushiki Kaisha Audio-Technica Dynamic microphone unit and dynamic microphone
CN204425645U (en) * 2015-02-26 2015-06-24 歌尔声学股份有限公司 Loud speaker
US20170034627A1 (en) * 2015-07-31 2017-02-02 Aac Technologies Pte, Ltd. Speaker
US20170048621A1 (en) * 2015-08-10 2017-02-16 AAC Technologies Pte. Ltd. Speaker
CN205179344U (en) * 2015-08-24 2016-04-20 张扬 Electroacoustic device
CN205987363U (en) * 2016-08-26 2017-02-22 深圳市音沃仕科技有限公司 Electroacoustic transducer
CN206575586U (en) * 2017-03-16 2017-10-20 江西联创宏声电子股份有限公司 Novel vibrating system
CN207010972U (en) * 2017-07-28 2018-02-13 常州市润蒙声学科技有限公司 Loudspeaker
WO2019128440A1 (en) * 2017-12-25 2019-07-04 歌尔股份有限公司 Diaphragm, and sound generator comprising same
CN208638645U (en) * 2018-08-04 2019-03-22 瑞声科技(新加坡)有限公司 Vibrating diaphragm and loudspeaker
CN208638639U (en) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 Loudspeaker
CN109040906A (en) * 2018-08-14 2018-12-18 瑞声科技(新加坡)有限公司 Microphone device
CN209201326U (en) * 2018-12-20 2019-08-02 瑞声科技(新加坡)有限公司 Microphone device

Also Published As

Publication number Publication date
CN111163407B (en) 2020-12-25

Similar Documents

Publication Publication Date Title
US8379907B2 (en) Vibrating member and electroacoustic transducer having same
CN102307324B (en) Insert molded surround with mechanical support
CN107534822B (en) Audio-frequency transducer
CN204929239U (en) Loudspeaker
WO2005099305A1 (en) Speaker, module using the same, electronic equipment and device, and speaker producing method
US10015586B2 (en) Speaker box and method for manufacturing same
KR101060864B1 (en) Electroacoustic transducer
CN201608883U (en) Multifunctional miniature loudspeaker
CN111163407B (en) Loudspeaker with positioning piece and assembling method thereof
JP4557495B2 (en) Electroacoustic transducer
US20200213744A1 (en) Speaker
CN201467426U (en) Composite vibrating membrane for miniature receiver or loudspeaker
CN113630698B (en) Magnetic circuit and vibration integrated exciter and manufacturing method thereof
CN109714656A (en) Frame component and sounding device
US20120170783A1 (en) Speaker box
CN210986414U (en) Novel loudspeaker
CN210986411U (en) Loudspeaker with gasket
CN111193988B (en) Loudspeaker and assembling method thereof
CN100359990C (en) Magnetic system of electro-acoustical converter
CN210016626U (en) Sound producing device
CN209250879U (en) The compound electroacoustic transducer of moving-coil electrostatic
JP3044831B2 (en) Speaker manufacturing method
CN211089960U (en) Loudspeaker with heightening voice coil
CN214413032U (en) Horn type loudspeaker
CN109362022A (en) A kind of sounding device and its processing method and earphone

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A loudspeaker with positioning components and its assembly method

Granted publication date: 20201225

Pledgee: Xiamen Xiang'an District Branch of China Postal Savings Bank Co.,Ltd.

Pledgor: XIAMEN TUNESS ELECTRONIC Co.,Ltd.

Registration number: Y2024980036477

PE01 Entry into force of the registration of the contract for pledge of patent right