CN109286882A - A kind of passive radiator tuning box - Google Patents
A kind of passive radiator tuning box Download PDFInfo
- Publication number
- CN109286882A CN109286882A CN201811045978.4A CN201811045978A CN109286882A CN 109286882 A CN109286882 A CN 109286882A CN 201811045978 A CN201811045978 A CN 201811045978A CN 109286882 A CN109286882 A CN 109286882A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- passive
- vibrating diaphragm
- cone
- tuning box
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The embodiment of the present invention proposes a kind of passive radiator tuning box, comprising: bracket, being formed has cavity open at one end；Loudspeaker, includes at least voice coil and cone, and the loudspeaker is fixed in the cavity by connecting passive vibrating diaphragm and limit bullet wave；Passive vibrating diaphragm is arranged in around the cone, and the open end of the cavity is co-located on the cone；Limit plays wave, is connected between the lower end of the loudspeaker and the bracket, is used to support the loudspeaker and prevents the loudspeaker transverse movement.It can be seen that, the passive vibrating diaphragm connecting with bracket is arranged in the upper end of loudspeaker for the embodiment of the present invention, loudspeaker and passive vibrating diaphragm are subjected to two-in-one setting, whole PR tuning box can be designed as lesser size, to be suitable for the portable loudspeaker box of smaller size, meet the portable requirement of consumer.
Description
Technical field
The present embodiments relate to field of acoustics, and more particularly, to a kind of passive radiator tuning box.
Background technique
Loudspeaker is also known as " loudspeaker ", is a kind of energy transducer for electric signal being changed into acoustical signal.Audio electric energy passes through electricity
Magnetic, piezoelectricity or electrostatic effect make its cone or diaphragm vibration and generate resonance with the air of surrounding and make a sound.Wherein,
Phase formula speaker (bass reflex) is also referred to as inverted phase type aperture case, the emanant speaker of low frequency, have high-efficient, low frequency characteristic good and
The advantages that small in size.
The vibration of diffuser, the sound wave that back cavity generates will push passive radiator (Passive Radiator, PR),
That is passively vibration vibration of membrane.PR tuning box belongs to passive radiator case in phase inverted cabinet (bass reflex) and designs, main former
Reason is that the sound wave of loudspeaker back side radiant is reversed to phase to be pushed to passive diaphragm oscillations to achieve the effect that increase acoustic pressure.
Generally, the area of PR is bigger, and Oscillation Amplitude is bigger, and correspondingly, the tuning effect of PR is also better.However, if
Oscillation Amplitude of the PR area to allow PR bigger is increased, then being also required to reserve enough oscillation spaces, in this way meeting in structure
The serious dischargeable capacity for reducing sound chamber.In addition the PR of large area can make overall design size become larger, and not only influence technique beauty
It sees, and is unable to satisfy the portable requirement of consumer.
Summary of the invention
The embodiment of the invention provides a kind of passive radiator tuning boxes, can be suitable for lesser size, meet consumption
The portable requirement of person.
Passive radiator tuning box provided by the embodiment of the present invention includes:
Bracket, being formed has cavity open at one end；
Loudspeaker, includes at least voice coil and cone, and the loudspeaker plays wave and fix by connecting passive vibrating diaphragm and limit
In the cavity；
Passive vibrating diaphragm is arranged in around the cone, and the open end of the cavity is co-located on the cone；
Limit plays wave, is connected between the lower end of the loudspeaker and the bracket, is used to support the loudspeaker and prevents
The only loudspeaker transverse movement.
As a kind of implementation, the passive vibrating diaphragm setting coaxial with the cone.
As a kind of implementation, it is cyclic structure that the limit, which plays wave, is raised described in the inside connection of the cyclic structure
The lower end of sound device, the outside of the cyclic structure connect the inner wall of the cavity.
As a kind of implementation, the cross sectional shape that the limit plays wave is accordion.
As a kind of implementation, material used in the passive vibrating diaphragm is rubber or foam side.
As a kind of implementation, the shape of the passive vibrating diaphragm is R ring.
As a kind of implementation, the side of the cavity has aperture.
As a kind of implementation, the quantity of the aperture is even number, and/or, the aperture center symmetric setting.
As a kind of implementation, the loudspeaker further includes permanent magnet, for generating the magnetic line of force；
The voice coil pushes the cone to vibrate, and the back side of the loudspeaker is reversed for cutting the magnetic line of force
The passive diaphragm oscillations are pushed again after sound wave reflection.
As a kind of implementation, further includes: shell, for protecting the bracket, the loudspeaker.
It can be seen that the passive vibrating diaphragm connecting with bracket is arranged in the upper end of loudspeaker for the embodiment of the present invention, by loudspeaker
Two-in-one setting is carried out with passive vibrating diaphragm, whole PR tuning box can be designed as lesser size, to be suitable for smaller
The portable loudspeaker box of size meets the portable requirement of consumer.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is diagrammatic cross-section of the PR tuning box along its symmetry axis of the embodiment of the present invention；
Fig. 2 is schematic diagram of the PR tuning box along its symmetry axis of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without creative labor
Example is applied, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of passive radiator (PR) tuning boxes.As shown in Figure 1, can be PR tuning box edge
The sectional view of its certain symmetry axis.PR tuning box shown in the drawings may include bracket 10, loudspeaker 20, passive vibrating diaphragm 30 and limit
Position plays wave 40.Specifically, shown in the drawings for two-in-one loudspeaker used in PR tuning box.
Bracket 10, being formed has cavity open at one end.Loudspeaker 20 includes at least voice coil and cone 21, the loudspeaker
20 play wave 40 and are fixed in cavity by connecting passive vibrating diaphragm 30 and limit.Passive vibrating diaphragm 30, is arranged in around cone 21,
And the open end of cavity is co-located on cone 21.Limit plays wave 40, is connected between the lower end of loudspeaker 20 and bracket 10,
It is used to support loudspeaker 20 and prevents 20 transverse movement of loudspeaker.
Bracket 10, which is formed by cavity, can have opening upward, as shown in Figure 1, it is appreciated that the direction of the opening is
Schematically, related with the modes of emplacement of the two-in-one loudspeaker.The embodiment of the present invention to the shape of opening without limitation, such as can
To be round, ellipse, rectangular etc..The opening of the cavity can be covered jointly by the cone 21 and passive vibrating diaphragm 30 of loudspeaker 20
Lid, specifically, cone 21 are located at centre, and passive vibrating diaphragm 30 is located at around cone 21, that is to say, that passively vibrating diaphragm 30 can be with
It is connected between the upper end of loudspeaker 20 and the open end of cavity.As it can be seen that passive vibrating diaphragm 30 can be cricoid.For example,
If the opening of cavity is circle, and cone 21 is circle, then passive vibrating diaphragm 30 can be annular shape.
The cone 21 of loudspeaker 20 in the embodiment of the present invention outwardly, and other parts portion within the cavity.Loudspeaker 20
When work, voice coil therein can push cone 21 to vibrate.Loudspeaker 20 in the embodiment of the present invention can have this field skill
Structure known to art personnel, as an example, loudspeaker 20 for example may include permanent magnet, frame, determine core branch piece etc..The present invention
Embodiment is not construed as limiting the structure etc. of the loudspeaker 20.Wherein, permanent magnet can be used for generating the magnetic line of force.Voice coil can be used for
The magnetic line of force is cut, and then cone 21 is pushed to vibrate.Specifically, voice coil can be converted tone currents by cutting magnetic line
To vibrate up and down, so as to push cone 21 to vibrate.
Referring to shown in Fig. 2, the shape of passive vibrating diaphragm 30 can be R ring.Be connected to loudspeaker 20 on the inside of R ring, R ring it is outer
Side is connected to bracket 10.That is, the structure of passive vibrating diaphragm 30 is cyclic structure, the inside of the cyclic structure (i.e. radius compared with
Small side) it is connect with loudspeaker 20, specifically it is connected to the upper end of loudspeaker 20；The cyclic structure outside (i.e. radius compared with
Big side) it is connect with bracket 10, specifically it is connected to the top edge of bracket 10.In addition, the cyclic structure of passive vibrating diaphragm 30
Section has half-circle-arc shape, and the two sides of half-circle-arc shape all have the extension of horizontal direction, are respectively used to and loudspeaker 20
It is attached with bracket 10.
It is understood that the embodiment of the present invention to the connection type of passive vibrating diaphragm 30 and 20/ bracket 10 of loudspeaker without limitation, example
It can such as be connected, or can be connected by way of bonding in other way.For example, it can be incited somebody to action via connector
Passive vibrating diaphragm 30 is attached with 20/ bracket 10 of loudspeaker.
Illustratively, passive vibrating diaphragm 30 setting coaxial with cone 21.Specifically, loudspeaker 20 has cone 21, and cone
21 are normally at the top of loudspeaker 20.Passive vibrating diaphragm 30 all has centrosymmetric structure, and the center pair of the two with cone 21
Point be referred to as same point, and passively the central symmetry axis of vibrating diaphragm 30 with the central symmetry axis of cone 21 be it is coaxial, it is for example same
Straight line (vertical direction as shown in the figure).Optionally, passive vibrating diaphragm 30 can have similar shape, and cone 21 with cone 21
Size be less than passive vibrating diaphragm 30 size.For example, passive vibrating diaphragm 30 and cone 21 all have the shape of intermediate projections, and protrusion
It can be semicircle.
Illustratively, material used in passive vibrating diaphragm 30 can be rubber or foam side, alternatively, other also can be used
Suitable material will not enumerate here.In the embodiment of the present invention, the lesser material of density is can be used in passive vibrating diaphragm 30,
So PR tuning box can be prevented integrally overweight.
In addition, cone 21 may be replaced with honeycomb basin or aluminium basin etc., and the present invention is unlimited to this as alternate embodiment
It is fixed.
Referring to Fig. 2, it can be cyclic structure that limit, which plays wave 40, and the inside of the cyclic structure connects the lower end of loudspeaker 20,
The outside connecting bracket 10 of the cyclic structure is formed by the inner wall of cavity.Illustratively, the inside connection that limit plays wave 40 is raised
The lower end outer wall of sound device 20, limit play the inside sidewalls of the outside connection cavity of wave 40.Wherein, half is referred on the inside of cyclic structure
Diameter lesser side refers to the biggish side of radius on the outside of cyclic structure.In addition, limit plays the section of the cyclic structure of wave 40
Shape can be accordion (or being referred to as wavy), be similar to the waveform of elastic wave.So, on the one hand, due to quilt
Dynamic vibrating diaphragm 30 is relatively light, setting limit play wave 40 can support speaker 20, avoid the deformation of passive vibrating diaphragm 30.On the other hand, if
It sets limit and plays the horizontal direction that wave 40 is capable of fixing loudspeaker 20, prevent its transverse movement, that is, ensure loudspeaker 20 only in axial direction
Movement.
It is understood that the embodiment of the present invention plays the connection type of wave 40 and 20/ bracket 10 of loudspeaker without limitation to limit, example
It can such as be connected, or can be connected by way of bonding in other way.
It can be seen that 20 the upper end of loudspeaker in the embodiment of the present invention is connected to bracket by passive vibrating diaphragm 30 (R ring)
10, lower end plays wave 40 by limit and is connected to bracket 10, so carries out two point positioning to loudspeaker 20, being capable of limiting loudspeaker
20 are being axially moved, and so as to guarantee the stability when vibration of passive vibrating diaphragm 30, reduce beat, and then can be reduced sound wave mistake
Very.
Referring to Figures 1 and 2, the side of bracket 10 can have aperture 11, that is to say, that the side of cavity can have out
Hole 11.Optionally, aperture 11 can be arranged with center symmetric setting or with axial symmetry, such as opening for the left side in figure on bracket 10
The aperture 11 on hole 11 and the right is symmetrical.Optionally, the quantity of aperture 11 can be even number, such as can be 2 or 4 etc.,
The present invention does not limit this.
It is understood that the size of aperture 11, distance can be set according to the size of bracket 10 and the demand of actual scene
For, the diameter of aperture 11 can be equal to the half of the height (vertical direction illustrated) of bracket 10.
In this way, loudspeaker 20 and passive vibration are pushed by the way that aperture 11 is arranged over the mount 10 with capable of guaranteeing airflow smooth
Film 30.
Although two-in-one loudspeaker used in PR tuning box are shown in the embodiment of Fig. 1 and Fig. 2, however, it is understood that in figure
What is shown is only members, which can also include other components.It illustratively, can also include shell
(not shown), the shell are arranged in outside, can play a protective role to components such as bracket 10, loudspeakers 20.In addition, should
Shell can also be arranged relatively beautiful, to promote user experience.
In the embodiment of the present invention, when loudspeaker 20 acts, voice coil can pass through the magnetic line of force of cutting permanent magnet generation
It pushes cone 21 to vibrate, and passive vibrating diaphragm 30 can be pushed to vibrate after the reversed sound wave reflection at the back side of loudspeaker 20.Cone
When 21 vibration, the reversed sound wave of 180 degree caused by the back side of loudspeaker 20 can return in the back chamber back reflection of contact sound chamber, i.e., again
Reversion 180 degree is pushed to passive vibrating diaphragm 30 and vibrates.In this way, vibration while cone 21 and passive vibrating diaphragm 30 may be implemented.Also
It is to say, in passive 30 vibration sounding of vibrating diaphragm, the cone 21 of loudspeaker 20 is also as a part for vibrating area.So as to incite somebody to action
Structure shown in Fig. 1 and Fig. 2 is known as two-in-one loudspeaker.
Due to the setting coaxial with loudspeaker 20 of passive vibrating diaphragm 30, the sounding source of sound phase of passive vibrating diaphragm 30 and loudspeaker 20 is
It is consistent, it can so reduce source of sound phase difference problem caused by different location.Specifically, loudspeaker 20 can be used as by
The counterweight and a part vibration area of dynamic vibrating diaphragm 30, vibrate with the vibration of passive vibrating diaphragm 30.
In addition, playing wave 40 by passive vibrating diaphragm 30 (R ring) and limit to loudspeaker 20 carries out two point positioning, work can be limited
It is only being axially moved for the loudspeaker 20 of counterweight, is guaranteeing that the center of loudspeaker 20 and PR tuning box is concentric, can so reduce vibration
Beat when dynamic reduces the distortion that passive vibrating diaphragm 30 is swung laterally.
It can be seen that the passive vibrating diaphragm connecting with bracket is arranged in the upper end of loudspeaker for the embodiment of the present invention, by loudspeaker
Two-in-one setting is carried out with passive vibrating diaphragm, whole PR tuning box can be designed as lesser size, to be suitable for smaller
The portable loudspeaker box of size meets the portable requirement of consumer.And the cone area of loudspeaker itself may be used as passively shaking
A part of the area of film, to expand the area of vibration.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited
The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of passive radiator tuning box characterized by comprising
Bracket, being formed has cavity open at one end；
Loudspeaker, includes at least voice coil and cone, and the loudspeaker plays wave and be fixed on institute by connecting passive vibrating diaphragm and limit
It states in cavity；
Passive vibrating diaphragm is arranged in around the cone, and the open end of the cavity is co-located on the cone；
Limit plays wave, is connected between the lower end of the loudspeaker and the bracket, is used to support the loudspeaker and prevents institute
State loudspeaker transverse movement.
2. passive radiator tuning box according to claim 1, which is characterized in that
The passive vibrating diaphragm setting coaxial with the cone.
3. passive radiator tuning box according to claim 1, which is characterized in that
It is cyclic structure that the limit, which plays wave, and the inside of the cyclic structure connects the lower end of the loudspeaker, the cyclic annular knot
The outside of structure connects the inner wall of the cavity.
4. passive radiator tuning box according to claim 1, which is characterized in that it is described limit play wave cross sectional shape be
Accordion.
5. passive radiator tuning box according to claim 1, which is characterized in that
Material used in the passive vibrating diaphragm is rubber or foam side.
6. passive radiator tuning box according to claim 1, which is characterized in that
The shape of the passive vibrating diaphragm is R ring.
7. passive radiator tuning box according to claim 1, which is characterized in that
The side of the cavity has aperture.
8. passive radiator tuning box according to claim 7, which is characterized in that
The quantity of the aperture is even number, and/or, the aperture center symmetric setting.
9. passive radiator tuning box according to claim 1, which is characterized in that
The loudspeaker further includes permanent magnet, for generating the magnetic line of force；
The voice coil pushes the cone to vibrate, and the reversed sound wave at the back side of the loudspeaker for cutting the magnetic line of force
The passive diaphragm oscillations are pushed after reflection again.
10. passive radiator tuning box according to any one of claim 1 to 9, which is characterized in that it further include shell,
For protecting the bracket, the loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045978.4A CN109286882A (en) | 2018-09-07 | 2018-09-07 | A kind of passive radiator tuning box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811045978.4A CN109286882A (en) | 2018-09-07 | 2018-09-07 | A kind of passive radiator tuning box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109286882A true CN109286882A (en) | 2019-01-29 |
Family
ID=65183844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811045978.4A Pending CN109286882A (en) | 2018-09-07 | 2018-09-07 | A kind of passive radiator tuning box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109286882A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225503A (en) * | 2020-02-06 | 2021-08-06 | 海信视像科技股份有限公司 | Display device and speaker |
| CN113225501A (en) * | 2020-02-06 | 2021-08-06 | 海信视像科技股份有限公司 | Display device and speaker |
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| WO1997046047A1 (en) * | 1996-05-31 | 1997-12-04 | Philips Electronics N.V. | Passive radiator and system comprising the passive radiator |
| WO2012051217A2 (en) * | 2010-10-12 | 2012-04-19 | Sahyoun Joseph Y | An acoustic radiator including a combinatiion of a co-axial audio speaker and passive radiator |
| CN202721817U (en) * | 2012-07-25 | 2013-02-06 | 湖南音品电子有限公司 | Passive radiator for built-in active loudspeaker and corresponding loudspeaker box |
| CN203015107U (en) * | 2012-12-03 | 2013-06-19 | 深圳万科扬声器制造有限公司 | Novel full-frequency loudspeaker |
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN204131697U (en) * | 2014-09-22 | 2015-01-28 | 深圳声研科技发展有限公司 | A kind of audio amplifier with passive passive radiator |
| US9042582B2 (en) * | 2013-01-02 | 2015-05-26 | Plastoform Industries Limited | Coaxial passive radiation monomer |
| CN207369289U (en) * | 2017-09-14 | 2018-05-15 | 深圳市三诺数字科技有限公司 | A kind of speaker unit with passive radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997046047A1 (en) * | 1996-05-31 | 1997-12-04 | Philips Electronics N.V. | Passive radiator and system comprising the passive radiator |
| WO2012051217A2 (en) * | 2010-10-12 | 2012-04-19 | Sahyoun Joseph Y | An acoustic radiator including a combinatiion of a co-axial audio speaker and passive radiator |
| CN202721817U (en) * | 2012-07-25 | 2013-02-06 | 湖南音品电子有限公司 | Passive radiator for built-in active loudspeaker and corresponding loudspeaker box |
| CN203015107U (en) * | 2012-12-03 | 2013-06-19 | 深圳万科扬声器制造有限公司 | Novel full-frequency loudspeaker |
| US9042582B2 (en) * | 2013-01-02 | 2015-05-26 | Plastoform Industries Limited | Coaxial passive radiation monomer |
| CN104105025A (en) * | 2014-07-02 | 2014-10-15 | 音品电子（深圳）有限公司 | Trumpet structure with integrated active loudspeaker and passive radiator, and sound box |
| CN204131697U (en) * | 2014-09-22 | 2015-01-28 | 深圳声研科技发展有限公司 | A kind of audio amplifier with passive passive radiator |
| CN207369289U (en) * | 2017-09-14 | 2018-05-15 | 深圳市三诺数字科技有限公司 | A kind of speaker unit with passive radiator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225503A (en) * | 2020-02-06 | 2021-08-06 | 海信视像科技股份有限公司 | Display device and speaker |
| CN113225501A (en) * | 2020-02-06 | 2021-08-06 | 海信视像科技股份有限公司 | Display device and speaker |
| CN113225501B (en) * | 2020-02-06 | 2022-02-08 | 海信视像科技股份有限公司 | Display device and speaker |
| CN113225503B (en) * | 2020-02-06 | 2022-03-11 | 海信视像科技股份有限公司 | Display device and speaker |
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Application publication date: 20190129 |