CN109257556B - Sound box assembly and display terminal - Google Patents
Sound box assembly and display terminal Download PDFInfo
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- CN109257556B CN109257556B CN201811405814.8A CN201811405814A CN109257556B CN 109257556 B CN109257556 B CN 109257556B CN 201811405814 A CN201811405814 A CN 201811405814A CN 109257556 B CN109257556 B CN 109257556B
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- 230000000694 effects Effects 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000005520 electrodynamics Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The application discloses a sound box assembly and a display terminal, wherein the sound box assembly comprises a box body and a loudspeaker unit, the loudspeaker unit comprises a basin frame and a magnetic assembly, and the magnetic assembly is fixed at the bottom end of the basin frame; a groove is arranged on the side surface of the box body, the basin stand and the magnetic assembly are embedded in the groove, and the magnetic assembly is exposed out of the box body; the box body is internally provided with a rear cavity, and the basin stand is communicated with the rear cavity. The application provides a speaker assembly is external with speaker unit's magnetic component, by being located the box originally inside removal to basin frame bottom, exposes in the box, structural design like this, and speaker magnetic circuit thickness size only is magnetic component thickness to speaker thickness has been reduced greatly, and then has reduced the whole thickness of audio amplifier, has realized the slim design of built-in audio amplifier. And the rear cavity is arranged in the box body, the basin frame is communicated with the rear cavity, bass loss caused by sound short circuit is avoided, the acoustic performance of the loudspeaker is improved, and therefore the sound effect of the sound box is improved.
Description
Technical Field
The application relates to the technical field of sound equipment, in particular to a sound box assembly and a display terminal.
Background
In the television industry, the thinning of the appearance and the design of a narrow frame become the mainstream direction of the design, the thinning of the television requires that the whole television is thinner and thinner, so that the thickness of the loudspeaker in the whole television is thinner and thinner, and the thinning design of the whole television and the sound box is realized.
Currently, the most widely used speakers are an external magnetic speaker and an internal magnetic speaker, and although the internal magnetic speaker has a small size and is convenient for the thinning design of the whole machine, the internal magnetic speaker has a high cost, so that the external magnetic speaker is mostly used in the market. Referring to fig. 1, for the structural schematic diagram of a conventional external magnetic speaker, the external magnetic speaker includes a box 1 and a speaker unit 2 disposed in the box 1, the box 1 and the speaker unit 2 jointly surround a rear cavity 4 forming a sound box, the speaker unit 2 includes a magnet 6 and a T-iron 7, the magnet 6 surrounds the T-iron 7 for a circle, and is located outside of a voice coil, the magnet 6 is completely located inside the box 1, a safety gap 8 is left between the magnet 6 and the box 1, and the magnet 6 is prevented from contacting the box 1 to generate noise.
However, based on the above structural design, the thickness of the external magnetic speaker at the magnetic circuit position is the sum of the magnet thickness a, the 2 gap widths b, and the 2 box thickness c, and the magnet thickness determines the size of the magnetic field generated by the magnetic circuit system, so the size of the magnet is generally large, and in addition, the gap width and the box thickness cause the thickness of the external magnetic speaker to be large, which limits the thin design of the external magnetic speaker. Therefore, how to realize the thinning design of the built-in sound box of the television by using a low-cost external magnetic circuit design scheme under the condition of limited thickness is a problem to be solved urgently by technical personnel.
Disclosure of Invention
The application provides a sound box assembly and a display terminal to solve the technical problem that the thickness of a loudspeaker adopting an external magnetic circuit is large at present and the thin design of a sound box is limited.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, embodiments of the present application disclose a loudspeaker box assembly, comprising a box body and a loudspeaker unit, wherein,
the loudspeaker unit comprises a basin frame and a magnetic assembly, and the magnetic assembly is fixed at the bottom end of the basin frame;
a groove is formed in the side face of the box body, the basin stand and the magnetic assembly are embedded in the groove, and the magnetic assembly is exposed out of the box body;
a rear cavity is arranged in the box body, and the basin frame is communicated with the rear cavity.
Optionally, the groove is disposed on an upper side surface of the box body, and a thickness of the groove is smaller than or equal to a thickness of the box body.
Optionally, the thickness of the magnetic component is smaller than or equal to the thickness of the groove.
Optionally, the basin frame is symmetrically provided with communicating ports, the surface of the groove is correspondingly provided with communicating holes, and the basin frame is communicated with the rear cavity through the communicating ports and the communicating holes.
Optionally, phase reversal pipes are symmetrically arranged on the box body, and the phase reversal pipes are communicated with the rear cavity.
Optionally, an inner end opening of the inverter tube is conducted with the rear cavity, and an outer end opening of the inverter tube is conducted with the outside of the box body.
Optionally, the outer end openings of the inverter tubes are respectively located at two ends of the box body.
Optionally, the upper end face of the speaker unit and the outer end opening of the inverter tube are located in the same plane.
In a second aspect, an embodiment of the present application further discloses a display terminal, including the sound box assembly of the first aspect.
Compared with the prior art, the beneficial effect of this application is:
the embodiment of the application provides a sound box assembly, which comprises a box body and a loudspeaker unit, wherein the loudspeaker unit comprises a basin frame and a magnetic assembly, and the magnetic assembly is fixed at the bottom end of the basin frame; a groove is arranged on the side surface of the box body, the basin stand and the magnetic assembly are embedded in the groove, and the magnetic assembly is exposed out of the box body; the box body is internally provided with a rear cavity, and the basin stand is communicated with the rear cavity. The application provides a speaker component is external with speaker unit's magnetic component, and magnetic component is by being located the box inside originally and removing to basin frame bottom, exposes in the box, and magnetic component is seen to the recess from the outside on the accessible box, so structural design, speaker magnetic circuit thickness size is only for magnetic component thickness to can reduce speaker thickness greatly, and then reduce the whole thickness of audio amplifier greatly, realize the slim design of built-in audio amplifier. The built-in sound box adopts the design of an external magnetic circuit, so that the cost of the loudspeaker can be greatly reduced, and the aims of reducing the thickness of the loudspeaker and reducing the cost of the loudspeaker are fulfilled. And the rear cavity is arranged in the box body, the basin frame is communicated with the rear cavity, bass loss caused by sound short circuit can be avoided, the acoustic performance of the loudspeaker is improved, and therefore the sound effect of the sound box is 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 application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure view of a speaker enclosure according to an embodiment;
fig. 2 is a schematic structural diagram of a sound box assembly according to an embodiment of the present disclosure;
fig. 3 is an exploded schematic view of a sound box assembly according to an embodiment of the present disclosure;
fig. 4 is a schematic cross-sectional structure view of a sound box assembly according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a speaker unit in a sound box assembly according to an embodiment of the present application;
fig. 6 is another schematic cross-sectional structure diagram of the sound box assembly according to the embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The loudspeaker is an element for converting an electric signal into a sound signal to be replayed, and the loudspeaker which is most widely used at present is an electrodynamic loudspeaker which comprises a vibration system, a magnetic circuit system, a supporting system and the like, wherein the vibration system comprises a vibration membrane, a voice coil, a centering disk, a dust cover and the like and is the core for verifying the sound quality of the loudspeaker; the magnetic circuit system provides a magnetic field necessary for driving the voice coil of the vibration system, and the magnetic circuit system and the voice coil form a driving element together, so that the mechanical vibration of the vibration system is excited through an electrodynamic force effect, and sound waves are radiated to the air; the supporting system is used for supporting and fixing the magnetic circuit system and the vibration system.
The magnetic circuit system can be divided into an external magnetic type and an internal magnetic type, the external magnetic type magnetic circuit system generally comprises a magnet, a T iron, a washer, a rear cover and the like, the magnet surrounds the T iron for a circle, the magnet is used for providing a permanent magnetic field, the T iron and the washer are used for conducting magnetism, the rear cover is used for preventing magnetic leakage, the size of the magnetic field generated by the magnetic circuit system is determined by the thickness of the magnet in the magnetic circuit system, and if the magnetic field is too small, the vibration system cannot be well driven to vibrate, so the size of the external magnetic type magnetic circuit system is large; the inner magnetic type magnetic circuit system generally comprises a magnet, a U-shaped iron, a washer, a rear cover and the like, wherein the magnet and the washer are located inside the U-shaped iron, and the magnet is mostly a neodymium-iron-boron magnet which is expensive, so that the inner magnetic type magnetic circuit system is expensive in cost.
The working principle of the loudspeaker is as follows: when the voice coil of the loudspeaker is connected with audio current, the voice coil generates an alternating magnetic field under the action of the current, and the magnet also generates a constant magnetic field with unchanged size and direction. The size and direction of the magnetic field generated by the voice coil are continuously changed along with the change of the audio current, so that the voice coil moves in a direction vertical to the current direction in the voice coil due to the interaction of the two magnetic fields, the voice coil is connected with the vibrating membrane, the vibrating membrane is driven to vibrate, and the vibration of air is caused by the vibration of the vibrating membrane to make sound.
With the integration of television electronic parts, the occupied space of a television can be smaller and smaller, and television products are thinner and thinner, so that the size of a television loudspeaker is required to be small, and the thickness of the television loudspeaker is required to be thin, but for an external magnetic loudspeaker, the thickness of the loudspeaker is the sum of the thickness a of a magnet, the width b of 2 gaps and the thickness c of 2 boxes, so that the thickness of the loudspeaker is larger, the thickness of the box of a sound box is required to be increased to accommodate an external magnetic circuit system with larger thickness, and the external magnetic circuit system conflicts with the appearance design of a thin whole machine; for the internal magnetic speaker, although the size of the speaker is small, the cost is high, and the design requirement of low cost cannot be met.
In order to solve the technical problem, the embodiment of the application provides a sound box assembly, which exposes the magnetic assembly of a loudspeaker, and adopts a low-cost external magnetic circuit design scheme while reducing the thickness of the loudspeaker through a new loudspeaker structural design on the premise of meeting the requirements of electroacoustic indexes, so that the aims of reducing the thickness of the loudspeaker and reducing the cost of the loudspeaker are fulfilled.
Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a sound box assembly provided in the embodiment of the present application; fig. 3 is an exploded schematic view of a sound box assembly according to an embodiment of the present application.
As shown in fig. 2 and fig. 3, the sound box assembly provided by the embodiment of the present application includes a box body 1 and a speaker unit 2, wherein,
The thickness of the groove 11 can be smaller than that of the box body 1, namely, a gap exists between the side surface of the basin frame 21 and the outer side surface of the box body 1, the magnetic components are embedded in the groove 11, and the magnetic components cannot be seen from the outside of the box body 1. The thickness of the recess 11 may also be the same as the thickness of the housing 1, i.e. the recess 11 runs through both sides adjacent to the upper side 12, and the magnetic assembly is visible from outside the housing 1.
After the speaker unit 2 is embedded in the groove 11, the upper end surface of the frame 21 is flush with the upper side surface 12 of the cabinet 1, and the lower surface of the magnet 6 of the magnetic assembly contacts with the bottom surface of the groove 11, so that the magnetic assembly and the frame 21 are supported.
The basin frame 21 is generally conical, the groove 11 is also conical in order to match with the basin frame 21, the groove 11 can be arranged to be step-shaped in order to support the basin frame 21, the groove close to the upper side 12 of the box body 1 is arranged to be a plane, and the plane is used for supporting the basin frame 21; the bottom surface of the groove 11 is arranged to be a plane, so that the magnetic component can be conveniently embedded; an inclined plane is arranged between the plane of the groove and the ground, and the inclined plane is contacted with the conical surface of the basin stand.
As shown in fig. 4, in order to reduce the thickness of the speaker, the thickness of the cabinet 1 is set according to the thickness of the magnet 6 of the magnetic assembly, i.e. the thickness of the cabinet 1 is the same as the thickness of the magnet 6, the groove 11 is a side hole of the cabinet 1, and thus the thickness of the speaker at the position of the magnetic circuit is only the magnet thickness a; and traditional outer magnetic circuit speaker, its thickness is magnet thickness a, 2 clearance width b, 2 box thickness c's the sum, and the thickness of the speaker of this application compares traditional outer magnetic circuit speaker's thickness and reduces greatly.
In order to avoid the sound radiated by the loudspeaker towards the back from being wound to the front of the loudspeaker to cause sound short circuit, a back cavity 4 is arranged in the box body 1, and the basin frame 21 is communicated with the back cavity 4. Specifically, as shown in fig. 5, the basin stand 21 is symmetrically provided with communication ports 32, the box body 1 is correspondingly provided with communication holes 31, the communication ports 32 are matched with the communication holes 31, and the basin stand 21 is communicated with the rear cavity 4 through the communication ports 32 and the communication holes 31. The communication of the frame 21 with the rear chamber 4 avoids acoustic short-circuit noise bass losses from the loudspeaker unit 2. Optionally, the design of the rear cavity meets a certain volume requirement according to the requirement of bandwidth, and the larger the cavity volume required by the low-frequency retransmission lower limit moon bottom is.
The communication port 32 of the frame 21 is provided on the tapered surface of the frame 21, and accordingly, the communication hole 31 of the case 1 is provided on the inclined surface of the groove 11, and when the frame 21 is fitted in the groove 11, the communication port 32 of the frame 21 is aligned with the communication hole 31 of the groove 11, so that the frame 21 communicates with the rear chamber 4.
In this embodiment, the rear cavity 4 in the cabinet 1 can be closed and connected with the frame 21 only through the communication opening 32 and the communication hole 31, so as to prevent the sound radiated backward by the speaker unit from being radiated around to the front to cause a sound short circuit, thereby causing bass loss. Closing the back chamber 4 will reduce the bass sound of the loudspeaker, but will not affect the normal use of the loudspeaker.
As shown in fig. 6, the inverter tube 5 may be symmetrically provided on the upper side 12 of the case 1, and the inverter tube 5 may communicate with the rear chamber 4. Specifically, the whole loudspeaker unit of the common sound box is positioned in the back cavity, and the connection between the loudspeaker unit and the tubular opening of the back cavity does not exist, so the problem of air pressure imbalance does not exist, but in the present application, because the magnetic component of the loudspeaker unit is exposed, the loudspeaker unit 2 and the box body 1 adopt a split type architecture design, the sealing and the connection between the loudspeaker unit 2 and the box body 1 cause the tubular connection to appear on the two sides of the back surface of the loudspeaker unit 2, namely the space on the back surface of the loudspeaker unit 2 is connected with the back cavity 4 through two tubular openings, which is equivalent to the situation that the loudspeaker unit 2 is communicated with the back cavity 4 through two communication holes 31, if a single phase inversion pipe is adopted, the distances from the two communication openings 32 of the loudspeaker unit 2 to the phase inversion pipe openings are different, the air pressure on the back of the vibrating diaphragm is uneven, eccentric vibration, the noise can seriously affect the normal use of the sound box, so the design of the double-inverter tube is adopted in the application.
The phase inversion tubes 5 are symmetrically arranged on the box body 1, the outer end openings of the phase inversion tubes 5 are respectively positioned at two ends of the box body 1, the inner end openings of the phase inversion tubes 5 are communicated with the rear cavity 4, and the outer end openings of the phase inversion tubes 5 are communicated with the outside of the box body 1, so that the bass enhancement function is achieved. In this embodiment, for different speaker units, different sizes of the rear cavity, and different bandwidth requirements, the corresponding design parameters of the inverter tube 5 can be obtained by means of hand board debugging, simulation software, and the like, so as to adapt to the different size requirements.
In the embodiment of the present application, the speaker unit 2 further includes a voice coil and a diaphragm besides the frame 21, the magnet 6 and the T-iron 7, the voice coil surrounds the magnet 6, and a gap is left between an inner wall of the voice coil and an outer wall of the magnet 6. The vibrating diaphragm is arranged on the basin frame 21, and the lower surface of the vibrating diaphragm is tightly combined with the upper surface of the basin frame 21 and the top of the voice coil.
The loudspeaker box assembly provided by the embodiment of the application comprises a box body and a loudspeaker unit, wherein the loudspeaker unit comprises a basin frame and a magnetic assembly, and the magnetic assembly is fixed at the bottom end of the basin frame; the magnetic component comprises a magnet and a T iron, the magnet is sleeved on the periphery of the T iron and used for providing a permanent magnetic field, and the T iron is used for conducting magnetism; the side surface of the box body is provided with a groove, the basin frame and the magnetic assembly are embedded in the groove, the groove is a side hole of the box body and penetrates through the two opposite side surfaces of the box body, and thus the basin frame and the magnetic assembly of the loudspeaker unit can be seen from the outside; and the thickness of the magnetic component is consistent with that of the box body, and the gap between the magnetic component and the box body is eliminated, so that the thickness of the loudspeaker is only the thickness of the magnetic component, and the thickness of the loudspeaker is greatly reduced. A rear cavity is arranged in the box body, and the basin stand is communicated with the rear cavity; the symmetry is equipped with the paraphase pipe on the box, and the paraphase pipe communicates with the back chamber, and this application sets up two paraphase pipes, has avoided single paraphase pipe to lead to the problem of speaker unit back atmospheric pressure imbalance. The application provides a speaker assembly is external with speaker unit's magnetic component, and speaker unit and box adopt split type architecture design, under the condition that reduces speaker thickness, optimizes audio amplifier structural design, lets limited thickness pendulum down outer magnetism magnetic circuit scheme, improves the acoustic performance of speaker through optimizing audio amplifier structural design, has promoted the sound effect of stereo set.
Based on the sound box assembly provided by the embodiment, the embodiment of the application further provides a display terminal which comprises the sound box assembly provided by the embodiment. Above-mentioned audio amplifier subassembly exposes the thickness with the attenuate back chamber cavity with the magnetic assembly of speaker unit, and speaker unit and box adopt split type architectural design from this, through this new speaker structural design, under the prerequisite that satisfies electroacoustic index requirement, adopt low-cost outer magnetism magnetic circuit design scheme when reducing speaker thickness, reached not only to reduce speaker thickness, but also to reduce the purpose of speaker cost.
The thickness of the sound box component is reduced, and the thickness of the whole display terminal is reduced, so that the thin design of the appearance of the display terminal is facilitated.
In the embodiment of the application, the display terminal can be a television, a tablet, a mobile phone and other terminals.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (9)
1. A loudspeaker box assembly, comprising a box body and a loudspeaker unit, wherein,
the loudspeaker unit comprises a basin frame and a magnetic assembly, and the magnetic assembly is fixed at the bottom end of the basin frame;
a groove is formed in the side face of the box body, the basin stand and the magnetic assembly are embedded in the groove, and the magnetic assembly is exposed out of the box body;
a rear cavity is arranged in the box body, and the basin frame is communicated with the rear cavity.
2. The loudspeaker assembly of claim 1, wherein the recess is disposed on an upper side of the cabinet, the recess having a thickness less than or equal to a thickness of the cabinet.
3. The acoustic enclosure assembly of claim 2, wherein a thickness of the magnetic assembly is less than or equal to a thickness of the recess.
4. The loudspeaker box assembly according to claim 2, wherein the frame is symmetrically provided with communicating openings, the surface of the groove is correspondingly provided with communicating holes, and the frame is communicated with the rear cavity through the communicating openings and the communicating holes.
5. The loudspeaker assembly of claim 1, wherein the cabinet is symmetrically provided with inverter tubes, the inverter tubes being in communication with the back volume.
6. The loudspeaker assembly of claim 5, wherein the inner end opening of the inverter tube is in communication with the back volume and the outer end opening of the inverter tube is in communication with the exterior of the cabinet.
7. The loudspeaker assembly of claim 6, wherein the outer openings of the inverter tubes are located at opposite ends of the cabinet.
8. The loudspeaker assembly of claim 7, wherein the upper end of the speaker unit and the outer end opening of the inverter tube are in the same plane.
9. A display terminal comprising the loudspeaker assembly of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405814.8A CN109257556B (en) | 2018-11-22 | 2018-11-22 | Sound box assembly and display terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811405814.8A CN109257556B (en) | 2018-11-22 | 2018-11-22 | Sound box assembly and display terminal |
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| CN109257556A CN109257556A (en) | 2019-01-22 |
| CN109257556B true CN109257556B (en) | 2021-05-28 |
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| CN201811405814.8A Active CN109257556B (en) | 2018-11-22 | 2018-11-22 | Sound box assembly and display terminal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153520A (en) * | 2020-08-13 | 2020-12-29 | 无锡杰夫电声股份有限公司 | Double-phase-guide-tube thin sound box |
| CN216982114U (en) * | 2022-01-17 | 2022-07-15 | 广州视源电子科技股份有限公司 | Loudspeaker and sound box |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617654A (en) * | 1968-11-18 | 1971-11-02 | Stephen L Heidrich | Electroacoustic transducer |
| DE60226098T2 (en) * | 2001-06-28 | 2009-06-18 | Panasonic Corp., Kadoma | Speaker system, mobile terminal and electronic device |
| CN1914948B (en) * | 2004-04-13 | 2011-01-19 | 松下电器产业株式会社 | Speaker device |
| CN101729956A (en) * | 2008-10-20 | 2010-06-09 | 巍世科技有限公司 | Display device built-in passive sound box |
| CN202455529U (en) * | 2011-12-31 | 2012-09-26 | 宁波升亚电子有限公司 | Loudspeaker |
| CN104320601B (en) * | 2014-10-10 | 2017-09-29 | 青岛海信电器股份有限公司 | A kind of flat panel TV |
| CN204180257U (en) * | 2014-11-28 | 2015-02-25 | 宁波中荣声学科技有限公司 | A kind of phase inverted cabinet |
| CN105376671B (en) * | 2015-12-09 | 2019-03-26 | 青岛海信电器股份有限公司 | A kind of speaker and terminal |
| CN106162420B (en) * | 2016-08-10 | 2019-06-04 | 青岛海信电器股份有限公司 | Display terminal |
| CN107277721B (en) * | 2017-08-04 | 2021-02-19 | 海信视像科技股份有限公司 | Television built-in loudspeaker and television |
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2018
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant after: Hisense Visual Technology Co., Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Applicant before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |