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WO2016082729A1 - Enceinte de haut-parleur à cavité expansible - Google Patents

Enceinte de haut-parleur à cavité expansible Download PDF

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Publication number
WO2016082729A1
WO2016082729A1 PCT/CN2015/095323 CN2015095323W WO2016082729A1 WO 2016082729 A1 WO2016082729 A1 WO 2016082729A1 CN 2015095323 W CN2015095323 W CN 2015095323W WO 2016082729 A1 WO2016082729 A1 WO 2016082729A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
cavity
expansion
air guiding
guiding hole
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.)
Ceased
Application number
PCT/CN2015/095323
Other languages
English (en)
Chinese (zh)
Inventor
李世煌
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.)
Tgi Technology Pte Ltd
Original Assignee
Tgi Technology Pte 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
Priority claimed from CN201420718793.6U external-priority patent/CN204291285U/zh
Priority claimed from CN201410687447.0A external-priority patent/CN104618832B/zh
Application filed by Tgi Technology Pte Ltd filed Critical Tgi Technology Pte Ltd
Publication of WO2016082729A1 publication Critical patent/WO2016082729A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics

Definitions

  • the invention relates to a sound box, in particular to a cavity expandable sound box.
  • the size of the cavity volume has a huge impact on the sound quality of the speaker.
  • the volume of the speaker is correspondingly increased, so the portability of the speaker is greatly limited.
  • the main technical problem to be solved by the present invention is to provide a speaker with a cavity expandable, so that the speaker can be independently used or expanded with the expansion cavity according to different practical occasions to obtain better sound quality.
  • the present invention provides a cavity expandable speaker, comprising: a speaker and an expansion box; the speaker is provided with an air guiding hole, and the air guiding hole is connected to the cavity of the speaker ;
  • the speaker is further provided with a sealing device; the sealing device is in a closed state when the speaker is independently operated, and the air guiding hole is sealed;
  • the expansion box is provided with an expansion cavity and at least one expansion connection device, and the speaker is connected to the expansion box through the expansion connection device; when the speaker is connected with the expansion box, the sealing device is opened In a state, the cavity of the speaker communicates with the expansion cavity through the air guiding hole.
  • the expansion connection device opens the airtight device.
  • the expansion connection device controls the size of the opening of the airtight device according to the volume of the expansion cavity.
  • the air guiding hole is divided into a first air guiding hole disposed at a bottom of the speaker cavity and a second air guiding hole disposed at a bottom of the speaker box; the first air guiding hole and the first air guiding hole The positions of the two air guiding holes coincide.
  • the sealing device is a baffle disposed between the bottom of the speaker cavity and the bottom of the speaker cabinet; the baffle is provided with a third air guiding hole; the baffle can be rotated To the first position and the second position, when the baffle is rotated to the first position, the third air guiding hole is coincident with the first air guiding hole and the second air guiding hole; when the baffle is rotated to the second position The third air guiding hole is offset from the first air guiding hole and the second air guiding hole.
  • the bottom of the cavity of the speaker is further provided with a mounting slot; a bottom of the box of the speaker is provided with a sliding slot at a position corresponding to the mounting slot; the baffle and the An opening is provided at a position corresponding to the mounting slot, and the opening has a guiding block therein.
  • the expansion connection device has a size corresponding to the installation card slot; the expansion connection device is provided with a chute distributed along the installation direction; when the speaker is connected to the expansion box The guide block is embedded in the chute, and is driven by the action of the chute to rotate the baffle. When the installation is completed, the baffle is rotated to the first position.
  • the bottom of the cavity of the speaker is further provided with a mounting hole; a bottom of the box bottom of the speaker is provided with a sliding slot at a position corresponding to the mounting hole; the baffle and the chute The corresponding position is provided with a rotating groove, and the rotating groove has a continuously distributed tooth tip.
  • the expansion connecting device is a screw; when the speaker is connected to the expansion box, the screw is embedded in the mounting hole, and cooperates with the tooth tip to drive the block The plate rotates and when the installation is completed, the shutter rotates to the first position.
  • the sealing device is a duckbill valve disposed on the air guiding hole; and one end of the duckbill valve connected to the cavity is a sealed end.
  • the extension connecting device is a bump
  • the top end of the bump has a through hole connected to the expansion cavity; when the speaker is connected to the expansion box, the protrusion is embedded in the Inside the duckbill valve, the sealed end of the duckbill valve is opened; thereby communicating the cavity with the expansion cavity through the through hole.
  • the sealing device is a blocking piece disposed on the air guiding hole, and the blocking piece can be turned along the symmetry axis of the blocking piece.
  • the expansion connecting device is a top block
  • the expansion box is further provided with a guiding hole connected to the expansion cavity; when the speaker is connected with the expansion box, the top block will be The flap is turned from a horizontal position to a vertical position; thereby communicating the cavity with the expansion chamber through the guide hole.
  • the expansion box is provided with an electrical plug
  • the bottom of the speaker box is provided with an electrical connection port; when the speaker is connected with the expansion box, the electrical plug and the electrical connection port are electrically connection.
  • the speaker comprises a replaceable housing and an integrated audio radiation module
  • the integrated audio radiation module includes:
  • An annular outer casing, the side of the annular outer casing is provided with a flow guiding groove;
  • the speaker unit is mounted in the annular casing, and a sound cone of the speaker unit is connected to the annular casing and exposed to an air environment;
  • At least two passive diaphragm units the passive diaphragm unit being located behind the speaker unit; the passive diaphragm unit and the annular housing being connected by an elastic ring; radiation formed between the passive diaphragm units a cavity, the radiation cavity is in communication with one end of the flow guiding groove; the other end of the flow guiding groove is disposed at a periphery of the sound tube of the speaker unit;
  • the rear cover is disposed at a rear of the passive diaphragm unit
  • the replaceable housing encloses a side of the integrated audio radiation module and causes the flow guiding groove to form a radiant tube; and the replaceable housing is sealed with the rear cover such that the entire speaker
  • the acoustic structure is completed; the radiant tube is aligned with the speaker unit; the passive diaphragm unit is driven to vibrate by the speaker unit, and the sound wave generated by the vibration of the passive diaphragm unit passes through the radiant opening of the radiant tube Is emitted, and the speaker unit reaches approximately the same utterance point.
  • the flow guiding groove has a structure in which the opening is gradually enlarged from one end to the other end communicating with the radiation chamber.
  • the replaceable housing encloses only the sides of the integrated audio radiating module, without the need to design for an acoustic structure.
  • the present invention has the following beneficial effects:
  • Multiple speakers can be connected to one expansion cavity, and the electrical connection can easily expand a single speaker into a multi-channel speaker.
  • the expansion box with different volume expansion chambers can be adapted to the speaker body to adjust the low frequency transient response.
  • the speaker is divided into an integrated audio radiation module and a replaceable housing, all of which are included in the integrated audio radiation module; the replaceable housing functions only to guide the channel
  • the cladding forms a radiant tube such that the passive diaphragm unit and the speaker unit reach approximately the same vocalization point. There is therefore no need to design the acoustic structure for the replaceable housing. This reduces the threshold for producing a replaceable housing for the speaker.
  • Different manufacturers can design a very diverse personality speaker box. So that consumers can customize their favorite speakers according to actual needs and preferences.
  • FIG. 1 is a schematic view showing the overall structure of a preferred embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural view of a bottom portion of a speaker cavity in a preferred embodiment 1 of the present invention
  • FIG. 3 is a schematic structural view of a baffle plate in a preferred embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural view of a bottom portion of a speaker cabinet according to a preferred embodiment 1 of the present invention.
  • Figure 5 is a plan view of an expansion box in a preferred embodiment 1 of the present invention.
  • Figure 6 is a cross-sectional view showing the speaker and the expansion box before being connected in the preferred embodiment 1 of the present invention
  • FIG. 7 is a schematic view showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle before the speaker and the expansion box are connected in the preferred embodiment 1 of the present invention
  • FIG. 8 is a cross-sectional view showing a process of connecting a speaker to an expansion box in a preferred embodiment 1 of the present invention
  • FIG. 9 is a schematic view showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle in the process of connecting the speaker to the expansion box in the preferred embodiment 1 of the present invention
  • Figure 10 is a cross-sectional view showing the speaker and the expansion box after the connection is completed in the preferred embodiment 1 of the present invention
  • FIG. 11 is a schematic view showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle after the speaker and the expansion box are connected according to the preferred embodiment 1 of the present invention
  • Figure 12 is a structural exploded view of a sound box in a preferred embodiment 1 of the present invention.
  • Figure 13 is a cross-sectional view showing the structure of a speaker in a preferred embodiment 1 of the present invention.
  • Figure 14 is a schematic view showing the overall structure of a preferred embodiment 2 of the present invention.
  • Figure 15 is a cross-sectional view showing the speaker and the expansion box before being connected in a preferred embodiment 2 of the present invention
  • 16 is a schematic view showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle before the speaker and the expansion box are connected in the preferred embodiment 2 of the present invention;
  • 17 is a cross-sectional view showing a process of connecting a speaker to an expansion box in a preferred embodiment 2 of the present invention
  • FIG. 18 is a schematic view showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle in the process of connecting the speaker to the expansion box according to the preferred embodiment 2 of the present invention
  • 19 is a cross-sectional view showing the speaker and the expansion box after the connection is completed in the second embodiment of the present invention.
  • 20 is a schematic diagram showing the relative positions of the bottom of the speaker cavity, the bottom of the speaker cabinet, and the baffle after the speaker and the expansion box are connected according to the preferred embodiment 2 of the present invention
  • Figure 21 is a schematic view showing the overall structure of a preferred embodiment 3 of the present invention.
  • Figure 22 is a cross-sectional view showing the speaker and the expansion box after the connection is completed in the preferred embodiment 3 of the present invention
  • Figure 23 is a schematic view showing the overall structure of a preferred embodiment 4 of the present invention.
  • Figure 24 is a cross-sectional view showing the speaker and the expansion box after the connection is completed in the preferred embodiment 4 of the present invention.
  • a cavity expandable speaker includes a speaker 1 and an expansion box 2;
  • the speaker 1 is provided with an air guiding hole, and the air guiding hole is connected to the cavity 11 of the speaker 1.
  • the air guiding hole is divided into a first air guiding hole 121 disposed at the bottom 12 of the speaker cavity. And a second air guiding hole 131 disposed at the bottom 13 of the speaker box; the positions of the first air guiding hole 121 and the second air guiding hole 131 are coincident.
  • the speaker 1 is further provided with a sealing device; the sealing device is in a closed state when the speaker 1 is independently operated, and the air guiding hole is sealed; in the embodiment, the sealing device is disposed in the speaker cavity a baffle 14 between the bottom portion 12 and the bottom 13 of the speaker cabinet; the baffle 14 is provided with a third air guiding hole 141; the baffle 14 can be rotated to the first position and the second position, when the baffle When the first airbag 14 is rotated to the first position, the third air guiding hole 141 is in position with the first air guiding hole 121 and the second air guiding hole 131; when the baffle is rotated to the second position, the third air guiding hole 141 is The first air guiding hole 121 and the second air guiding hole 131 are displaced in position.
  • the bottom portion 12 of the speaker is further provided with a mounting slot 122; a bottom portion 13 of the speaker is provided with a sliding slot 132 at a position corresponding to the mounting slot 122; the baffle 14 and the mounting card
  • An opening 142 is defined in the corresponding position of the slot 122, and the opening 142 has a guiding block 143 therein.
  • An expansion cavity 21 and an expansion connection device 22 are disposed in the expansion box 2, and the speaker 1 is connected to the expansion box 2 through the expansion connection device 22, and the airtight device is opened to implement the The cavity 11 of the speaker 1 is in communication with the expansion cavity 21.
  • the size of the extended connection device 22 corresponds to the installation card slot 122; the expansion connection device 22 is provided with a chute 221 distributed along the installation direction; when the speaker 1 and the extension When the box 2 is connected, the guiding block 143 is embedded in the chute 221, and is driven by the slanting groove 221 to drive the baffle 14 to rotate. When the installation is completed, the baffle 14 rotates to the first position. a location. Thereby, the cavity 11 of the speaker 1 is connected with the expansion cavity 21, thereby achieving the purpose of cavity expansion and enhancing the sound quality of the speaker.
  • the volume of the expansion chamber 22 is also different.
  • the inclination angle of the chute 221 it is possible to control the opening angle of the baffle 14, so that different chutes 221 can be adapted according to different expansion boxes, thereby adjusting the low-frequency transient response.
  • the expansion box 2 is provided with an electrical plug
  • the bottom 13 of the speaker cabinet is provided with an electrical connection port; when the speaker 1 is connected with the expansion box 2, the electrical plug and the electrical connection port are realized. Electrical connections.
  • the expansion connection device 22 can be made plural so that one expansion box 2 can connect a plurality of speakers 1 to form a multi-channel speaker system.
  • the speaker 1 preferably includes a replaceable housing 15 and an integrated audio radiation module 16.
  • the integrated audio radiation module 16 includes:
  • the annular casing 161 has a guide groove 1611 formed on a side surface of the annular casing.
  • a speaker unit 162 is mounted in the annular housing 161, and a cone 1621 of the speaker unit 162 is coupled to the annular housing 161 and exposed to an air environment.
  • the passive diaphragm unit 163 is located behind the speaker unit 162; the passive diaphragm unit 163 and the annular housing 161 are connected by an elastic ring 164; the passive diaphragm A radiation chamber 165 is formed between the units 163, and the radiation chamber 165 is in communication with one end of the flow guiding groove 1611; the other end of the guiding channel 1611 is disposed at a periphery of the sound basin 1621 of the speaker unit;
  • the flow cell 1611 has a structure in which the opening is gradually enlarged from one end to the other end communicating with the radiation cavity 165.
  • the rear cover 166 is disposed behind the passive diaphragm unit 163.
  • the replaceable housing 15 encloses a side of the integrated audio radiation module 16 and causes the flow guiding groove 1611 to form a radiant tube 167, the radiant tube 167 being aligned with the speaker unit 162; And the replaceable housing 15 is sealed with the rear cover 166 to form a sealed cavity 168 such that the acoustic structure of the entire sound box is completed; the passive diaphragm unit 163 is driven by the speaker unit 162 to vibrate. The sound waves generated by the vibration of the passive diaphragm unit 163 are emitted through the radiation port 169 of the radiant tube 167, and the speaker unit 162 reaches approximately the same utterance point.
  • the replaceable housing 15 only encloses the sides of the integrated audio radiation module 16 and does not require design for the acoustic structure.
  • the speaker of the replaceable housing provided by the embodiment separately divides the speaker into the replaceable housing 15 and the integrated audio radiation module 16 independently, and all the acoustic structure designs required in the speaker are It is included in the audio radiation module 16, so that the integrated audio radiation module 16 can be made as a standard component and manufactured by a professional speaker manufacturer.
  • the replaceable housing 15 of the speaker only needs to cover the guide groove 1611 to form the radiant tube 167, so that the passive diaphragm unit 163 and the speaker unit 162 reach approximately the same utterance point. There is therefore no need to design the acoustic structure for the replaceable housing 15.
  • a cavity expandable speaker includes a speaker 1 and an expansion box 2; the speaker 1 is provided with an air guiding hole, and the air guiding hole communicates with the cavity 11 of the speaker 1;
  • the air guiding hole is divided into a first air guiding hole 121 disposed at the bottom portion 12 of the speaker cavity and a second air guiding hole 131 disposed at the bottom portion 13 of the speaker box; the first air guiding hole 121 and the second The positions of the air guiding holes 131 coincide.
  • the speaker 1 is further provided with a sealing device; the sealing device is in a closed state when the speaker 1 is independently operated, and the air guiding hole is sealed; in the embodiment, the sealing device is disposed in the speaker cavity a baffle 14 between the bottom portion 12 and the bottom 13 of the speaker cabinet; the baffle 14 is provided with a third air guiding hole 141; the baffle 14 can be rotated to the first position and the second position, when the baffle When the first airbag 14 is rotated to the first position, the third air guiding hole 141 is in position with the first air guiding hole 121 and the second air guiding hole 131; when the baffle is rotated to the second position, the third air guiding hole 141 is The first air guiding hole 121 and the second air guiding hole 131 are displaced in position.
  • the bottom portion 12 of the speaker 1 is further provided with a mounting hole 122; a bottom portion 13 of the sound box corresponding to the mounting hole 122 is provided with a sliding slot 132; the baffle 14 and the sliding slot 132 Corresponding positions are provided with a rotating groove 142 having a continuously distributed tooth tip 143 therein.
  • An expansion cavity 21 and an expansion connection device 22 are disposed in the expansion box 2, and the speaker 1 is connected to the expansion box 2 through the expansion connection device 22, and the airtight device is opened to implement the The cavity 11 of the speaker 1 is in communication with the expansion cavity 21.
  • the expansion connecting device 22 is a screw; when the speaker 1 is connected to the expansion box 2, the screw is embedded in the mounting hole 122, and cooperates with the tooth tip 143 to drive the The baffle 14 is rotated, and when the mounting is completed, the baffle 14 is rotated to the first position. Thereby, the cavity 11 of the speaker 1 is connected with the expansion cavity 21, thereby achieving the purpose of cavity expansion and enhancing the sound quality of the speaker.
  • a cavity expandable speaker includes a speaker 1 and an expansion box 2; the speaker 1 is provided with an air guiding hole 10, and the air guiding hole 10 communicates with the cavity 11 of the speaker 1;
  • the speaker 1 is further provided with a sealing device; the sealing device is in a closed state when the speaker 1 is operated independently, and the air guiding hole 10 is sealed; in the embodiment, the sealing device is disposed in the air guiding hole 10 Above the duckbill valve 12; one end of the duckbill valve 12 connected to the cavity 11 is a sealed end 121.
  • An expansion cavity 21 and an expansion connection device 22 are disposed in the expansion box 2, and the speaker 1 is connected to the expansion box 2 through the expansion connection device 22, and the airtight device is opened to implement the The cavity 11 of the speaker 1 is in communication with the expansion cavity 21.
  • the extended connection device 22 is a bump, and the top end of the protrusion has a through hole 221 connected to the expansion cavity 21; when the speaker 1 is connected to the expansion box 2, the protrusion is embedded.
  • the duckbill valve 12 is opened and the sealed end 122 of the duckbill valve 12 is opened; thereby, the cavity 11 is communicated with the expansion cavity 21 through the through hole 221.
  • a cavity expandable speaker includes a speaker 1 and an expansion box 2; the speaker 1 is provided with an air guiding hole 10, and the air guiding hole 10 communicates with the cavity 11 of the speaker 1;
  • the speaker 1 is further provided with a sealing device; the sealing device is in a closed state when the speaker 1 is operated independently, and the air guiding hole 10 is sealed; in the embodiment, the sealing device is disposed in the air guiding hole 10 On the upper flap 12, the flap 12 can be flipped along the axis of symmetry of the flap 12.
  • An expansion cavity 21 and an expansion connection device 22 are disposed in the expansion box 2, and the speaker 1 is connected to the expansion box 2 through the expansion connection device 22, and the airtight device is opened to implement the The cavity 11 of the speaker 1 is in communication with the expansion cavity 21.
  • the expansion connecting device 22 is a top block, and the expansion box further includes a guiding hole 221 connected to the expansion cavity 21; when the speaker 1 is connected to the expansion box 2, the top block will be The flap 12 is turned from a horizontal position to a vertical position; thereby, the chamber 11 is communicated with the expansion chamber 21 through the guide hole 221.
  • the speaker provided by the invention can be independently used or expanded according to the needs of the actual use occasion, and the speaker can be used independently, so that the portability of the speaker can be maximized; the expansion cavity can be expanded to obtain better sound quality. .

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L'invention concerne une enceinte de haut-parleur à cavité expansible, et comprend une enceinte de haut-parleur et une caisse d'expansion ; l'enceinte de haut-parleur comporte des trous de ventilation, qui sont en communication avec la cavité de l'enceinte de haut-parleur ; l'enceinte de haut-parleur comprend aussi un moyen de fermeture hermétique ; le moyen de fermeture hermétique est dans un état fermé lorsque l'enceinte de haut-parleur fonctionne indépendamment, de manière à fermer hermétiquement les trous de ventilation ; une cavité d'expansion et au moins un moyen de raccord d'expansion sont disposés à l'intérieur de la caisse d'expansion ; l'enceinte de haut-parleur est raccordée hermétiquement à la caisse d'expansion grâce au moyen de raccord d'expansion et, lorsque le moyen de fermeture hermétique est ouvert, la cavité de l'enceinte de haut-parleur est en communication avec la cavité d'expansion. La solution technique de la présente invention permet d'utiliser l'enceinte de haut-parleur indépendamment ou avec la cavité d'expansion, selon les besoins d'utilisation réels, ce qui permet d'avoir une meilleure qualité sonore sans l'achat d'une enceinte de haut-parleur supplémentaire, et donc réduit le coût. Une pluralité d'enceintes de haut-parleur peut être raccordée à une seule cavité d'expansion ; et, grâce à une connexion électrique, une seule enceinte de haut-parleur peut être étendue commodément en une enceinte de haut-parleur à multiples canaux.
PCT/CN2015/095323 2014-11-25 2015-11-23 Enceinte de haut-parleur à cavité expansible Ceased WO2016082729A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201420718793.6U CN204291285U (zh) 2014-11-25 2014-11-25 一种可更换的壳体的音箱
CN201410687447.0A CN104618832B (zh) 2014-11-25 2014-11-25 一种腔体可扩展的音箱
CN201420718793.6 2014-11-25
CN201410687447.0 2014-11-25

Publications (1)

Publication Number Publication Date
WO2016082729A1 true WO2016082729A1 (fr) 2016-06-02

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Application Number Title Priority Date Filing Date
PCT/CN2015/095323 Ceased WO2016082729A1 (fr) 2014-11-25 2015-11-23 Enceinte de haut-parleur à cavité expansible

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Country Link
WO (1) WO2016082729A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108401197A (zh) * 2018-03-19 2018-08-14 广东欧珀移动通信有限公司 一种壳体组件、电子设备及其控制方法
CN108429987A (zh) * 2018-04-26 2018-08-21 苏州沃古斯电子商务有限公司 一种防摔防水音箱
CN108718427A (zh) * 2018-07-27 2018-10-30 郑州库特解码智能科技有限公司 一种具有防水功能的音箱
TWI734382B (zh) * 2020-02-17 2021-07-21 大陸商東莞寶德電子有限公司 環狀輻射音箱結構
US11779629B2 (en) 2016-11-09 2023-10-10 The University Of British Columbia Compositions comprising cyclic peptides derived from an A-beta peptide

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Publication number Priority date Publication date Assignee Title
CA2270825A1 (fr) * 1999-05-03 2000-11-03 Chia-Ying Chen Module de haut-parleur de taille variable pour ordinateur portable
CN203136110U (zh) * 2013-01-21 2013-08-14 深圳市冠旭电子有限公司 一种可变换腔体的耳机
CN103281649A (zh) * 2013-05-03 2013-09-04 广东欧珀移动通信有限公司 具可扩展音腔和扬声器的手持数码设备结构
CN103841477A (zh) * 2014-01-28 2014-06-04 李世煌 一种采用被动振膜单元的声学结构
CN204206425U (zh) * 2014-11-25 2015-03-11 李世煌 一种腔体可扩展的音箱
CN204291285U (zh) * 2014-11-25 2015-04-22 李世煌 一种可更换的壳体的音箱
CN104618832A (zh) * 2014-11-25 2015-05-13 李世煌 一种腔体可扩展的音箱

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2270825A1 (fr) * 1999-05-03 2000-11-03 Chia-Ying Chen Module de haut-parleur de taille variable pour ordinateur portable
CN203136110U (zh) * 2013-01-21 2013-08-14 深圳市冠旭电子有限公司 一种可变换腔体的耳机
CN103281649A (zh) * 2013-05-03 2013-09-04 广东欧珀移动通信有限公司 具可扩展音腔和扬声器的手持数码设备结构
CN103841477A (zh) * 2014-01-28 2014-06-04 李世煌 一种采用被动振膜单元的声学结构
CN204206425U (zh) * 2014-11-25 2015-03-11 李世煌 一种腔体可扩展的音箱
CN204291285U (zh) * 2014-11-25 2015-04-22 李世煌 一种可更换的壳体的音箱
CN104618832A (zh) * 2014-11-25 2015-05-13 李世煌 一种腔体可扩展的音箱

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11779629B2 (en) 2016-11-09 2023-10-10 The University Of British Columbia Compositions comprising cyclic peptides derived from an A-beta peptide
CN108401197A (zh) * 2018-03-19 2018-08-14 广东欧珀移动通信有限公司 一种壳体组件、电子设备及其控制方法
CN108429987A (zh) * 2018-04-26 2018-08-21 苏州沃古斯电子商务有限公司 一种防摔防水音箱
CN108718427A (zh) * 2018-07-27 2018-10-30 郑州库特解码智能科技有限公司 一种具有防水功能的音箱
TWI734382B (zh) * 2020-02-17 2021-07-21 大陸商東莞寶德電子有限公司 環狀輻射音箱結構

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