CN110381422A - A kind of loudspeaker of multichannel input driving - Google Patents
A kind of loudspeaker of multichannel input driving Download PDFInfo
- Publication number
- CN110381422A CN110381422A CN201910536247.8A CN201910536247A CN110381422A CN 110381422 A CN110381422 A CN 110381422A CN 201910536247 A CN201910536247 A CN 201910536247A CN 110381422 A CN110381422 A CN 110381422A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- sound basin
- magnetic circuit
- mounting hole
- frame
- Prior art date
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Classifications
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
-
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of loudspeakers of multichannel input driving to increase the sensitivity of loudspeaker while reducing loudspeaker distortions and improve loudspeaker clarity.It includes frame and the sound basin being set in frame, and loudspeaker further includes input driving mechanism, and for three or three or more input driving mechanisms along a circumference arranged at equal intervals, each driving mechanism that inputs respectively includes voice coil and the magnetic circuit component for driving voice coil vibrations；Frame is equipped with multiple magnetic circuit mounting holes, is at most provided with a magnetic circuit component at each magnetic circuit mounting hole；Sound basin is equipped with multiple voice coil mounting holes, is at most provided with a voice coil at each voice coil mounting hole；Sound basin has whole rounded flat sound basin bottom part, the center of circle of circumference is overlapped with the center of circle of sound basin bottom part, opened up on sound basin bottom part there are three or three or more voice coil mounting holes, the center line of voice coil mounting hole passes through the circumference, is respectively arranged with a voice coil so that voice coil is connected with sound basin bottom part in each voice coil mounting hole.
Description
Technical field
The invention belongs to loudspeaker fields, are related to a kind of loudspeaker of multichannel input driving.
Background technique
Existing loudspeaker generally uses tapered sound basin that integrated positioning sheet-supporting structure, tapered sound (are made) of materials such as paper, PP
Centre bore is equipped among basin and locating branch slice, locating branch slice configuration wears one-channel signal input voice coil in the lower section of tapered sound basin
In locating branch slice and tapered sound basin centre bore, tapered sound basin, locating branch slice are glued at respectively on voice coil outer wall, form loudspeaking
Device vibrational system, this loudspeaker can be only applied to one-channel signal input, and resetting to sound primary sound has limitation.
Therefore, a kind of current improved procedure is: using tapered sound basin integrated positioning sheet-supporting structure, tapered sound basin and positioning
Centre bore is equipped among branch piece, locating branch slice configures in the lower section of tapered sound basin, voice coil is changed by one-channel signal input mode
Input voice coil for multiple signals and be through in locating branch slice and tapered sound basin centre bore, wherein voice coil by multiple groups coil from the inside to the outside
Stacking is formed, and tapered sound basin, locating branch slice are glued at respectively on voice coil outer wall, forms speaker vibration system, this loudspeaking
Device can be applied to multiple signals input.However, since this loudspeaker is wound with multiple groups coil on a voice coil, multiple groups coil around
Line is at the weight for increasing voice coil on a voice coil, and when this voice coil drives sound basin, loudspeaker sensitivity will receive loss.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of loudspeaker of multichannel input driving, loudspeaker distortions are being reduced
Meanwhile it increasing the sensitivity of loudspeaker and improving loudspeaker clarity.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
A kind of loudspeaker of multichannel input driving, is also wrapped including frame and the sound basin being set in the frame, the loudspeaker
Include three or three or more input driving mechanisms, three or three or more the input driving mechanisms along a circumference at equal intervals
Arrangement, each input driving mechanism respectively include voice coil and the magnetic circuit component for driving the voice coil vibrations；
The frame is equipped with multiple magnetic circuit mounting holes, is at most provided with the magnetic circuit group at each magnetic circuit mounting hole
Part；
The sound basin is equipped with multiple voice coil mounting holes, is at most provided with the voice coil at each voice coil mounting hole；
The sound basin has whole rounded flat sound basin bottom part, the center of circle weight in the center of circle of the circumference and the sound basin bottom part
Close, open up on the sound basin bottom part there are three or three or more voice coil mounting holes, the center line of the voice coil mounting hole
The voice coil is respectively arranged with across the circumference, in each voice coil mounting hole so that the voice coil and the sound basin
Bottom is connected.
Preferably, the tapered skirt portion that also there is the sound basin outer rim from the sound basin bottom part to tilt extension upwards, institute
It states tapered skirt portion and the frame is fixedly connected on by yoke ring.
Preferably, opened up in the frame there are three or three or more magnetic circuit mounting holes, the magnetic circuit mounting hole
Along the circumference arranged at equal intervals, the magnetic circuit component is respectively arranged in each magnetic circuit mounting hole.
Preferably, each input driving mechanism respectively further comprises dust cover, covers and sets on each voice coil mounting hole
It is equipped with the dust cover.
Preferably, each input driving mechanism respectively further comprises locating branch slice, is arranged with one on each voice coil
The locating branch slice.
It is highly preferred that with multiple flanges around the magnetic circuit mounting hole, the locating branch slice and institute in the frame
Flange is stated to cooperate so that the locating branch slice is stuck between the inner wall of the flange.
Preferably, the magnetic circuit component includes the U iron with inner cavity, the magnet steel being set in the U iron and magnetic pole core, institute
It states and is formed with magnetic gap between magnet steel and magnetic pole core and the inner wall of the U iron, the voice coil can be inserted in the magnetic up or down
In gap, the upper limb of the U iron is fixedly connected at the magnetic circuit mounting hole of the frame.It is highly preferred that magnet steel can be neodymium
Magnet steel or ferrite magnetic steel.
Preferably, multipair audio signal input terminal, each pair of audio signal input terminal are provided in the frame
It is electrically connected respectively with the lead of a voice coil.Simplify product itself connection, and facilitates audio signal input connection.
Preferably, multiple reinforcing ribs are provided on the sound basin.The intensity when work of sound basin can be increased.
The present invention uses above scheme, has the advantages that compared with prior art
The loudspeaker of multichannel input driving of the invention, clever structure is reasonable, uses bottom for flat sound basin, at sound basin bottom
Portion is formed by the voice coil mounting hole that annular in plane opens up three or three or more, and the voice coil knot with three or three or more
It closes, using three or three or more equally distributed magnetic circuit Component driver voice coils, is pushed away by three or three or more voice coils
Dynamic sound basin, can not only reduce product height, and can widen product directive property, be inputted by three or more audio signals, reduce
Product distortion, increases loudspeaker sensitivity, improves loudspeaker clarity.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of loudspeaker of embodiment；
Fig. 2 is schematic diagram of the frame after installing magnetic circuit component in Fig. 1；
Fig. 3 is schematic diagram of the frame after installation magnetic circuit component, voice coil and locating branch slice in Fig. 1；
Fig. 4 is the schematic diagram of the frame in Fig. 1 and the sound basin after installation voice coil.
Wherein:
1, frame；10, magnetic circuit mounting hole；11, flange；2, sound basin；20, voice coil mounting hole；21, sound basin bottom part；22, tapered edge
Portion；23, reinforcing rib；3, driving mechanism is inputted；31, dust cover；32, voice coil；320, lead；33, locating branch slice；34, secondary neodymium magnetic
Steel；35, magnetic pole core；36, main neodymium magnet steel；37, U iron；4, yoke ring；5, audio signal input terminal.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.It should be noted that the explanation for these embodiments is used to help
Understand the present invention, but and does not constitute a limitation of the invention.
The present embodiment provides a kind of loudspeakers of multichannel input driving, and herein, multichannel input refers to be believed with multiple audios
Number input, multiple audio signals are input to multiple voice coils, by this multiple common drive the speaker sounding of voice coil.Referring to figs. 1 to Fig. 4
Shown, the loudspeaker of multichannel input driving includes: 1, sound basin 2 of a frame and multiple input driving mechanisms 3.Sound basin
2 are used for vibration sounding, are fixed in frame 1.Each input driving mechanism 3 respectively includes voice coil 32 and for driving sound
The magnetic circuit component of 32 vibration of circle；Wherein, frame 1 is equipped with multiple magnetic circuit mounting holes 10, at most sets at each magnetic circuit mounting hole 10
It is equipped with a magnetic circuit component；Sound basin 2 is equipped with multiple voice coil mounting holes 20, is at most provided with one at each voice coil mounting hole 20
Voice coil 32.That is, multiple driving input mechanisms are mounted on frame 1 and sound basin 2.The quantity for inputting driving mechanism 3 is three or three
More than a, to increase speaker drive energy, three or three or more input driving mechanisms 3 are along a circumference arranged at equal intervals.
Sound basin 2 has whole rounded flat sound basin bottom part 21, and the center of circle of above-mentioned circumference is overlapped with the center of circle of sound basin bottom part 21,
That is, multiple input driving mechanisms 3 are arranged at equal intervals along the circumferencial direction of sound basin bottom part 21.Accordingly, sound basin bottom part 21
On open up there are three or three or more voice coil mounting holes 20, the center line of voice coil mounting hole 20 pass through above-mentioned circumference, Mei Geyin
A voice coil 32 is respectively arranged with so that voice coil 32 is connected with sound basin bottom part 21 in circle mounting hole 20；There are three being opened up in frame 1
Or three or more magnetic circuit mounting holes 10, the circumferentially arranged at equal intervals of magnetic circuit mounting hole 10, in each magnetic circuit mounting hole 10 respectively
It is provided with a magnetic circuit component.It is specific as shown in Figs 1-4, input driving mechanism 3, voice coil mounting hole 20 and magnetic circuit mounting hole 10
Quantity is four, and around the balanced arrangement in a ring of the center of circle of sound basin bottom part 21.
In the present embodiment, frame 1 is made of plastics of the techniques such as injection molding, it is easily molded and and some strength, magnetic
Road mounting hole 10 is the through-hole for penetrating through frame 1 from top to bottom.Sound basin 2 also has from the outer rim of sound basin bottom part 21 tilts extension upwards
Tapered skirt portion 22, tapered skirt portion 22 around sound basin bottom part 21 1 circle setting.Sound basin 2 is whole by paper pulp, plastics (e.g., PP
(polypropylene)), ballistic fiber or aluminium alloy be made, manufactured sound basin 2 is light-weight, damped elasticity and the good, high temperature resistant of rigidity
It is mould proof with low temperature, waterproof.In addition, the tapered skirt portion 22 of sound basin 2 is fixedly attached in frame 1 by a circle yoke ring 4, yoke ring 4
It is made of sponge, rubber or cloth.Using the sound basin 2 of above-mentioned shape, it is better than traditional cone loudspeaking in terms of directive property expands width
Device, and highly reduced than traditional conical sound basin 2, advantageously reduce loudspeaker total height.
Each input driving mechanism 3 respectively further comprises dust cover 31 and locating branch slice 33.Below to the tool of input driving mechanism 3
Body structure is described in detail.As shown in Figure 1, each input driving mechanism 3 respectively by dust cover 31, voice coil 32, locating branch slice 33,
Secondary neodymium magnet steel 34, magnetic pole core 35, main neodymium magnet steel 36 and U iron 37.In each input driving mechanism 3, dust cover 31 is fixedly connected on
On sound basin 2, covering is provided with a dust cover 31 on each voice coil mounting hole 20, and voice coil 32 is located at 31 lower section of dust cover.
The upper end of voice coil 32 is plugged in the voice coil mounting hole 20 of sound basin 2 and is fitted close, and voice coil 32 is connected to drive with sound basin 2
Dynamic sound basin 2 vibrates.Through-hole is offered in the middle part of locating branch slice 33 to be set on voice coil 32, the outer diameter of voice coil 32 and the through-hole are tight
Close connection, by the limitation of locating branch slice 33, voice coil 32 is only capable of making the movement of up and down direction, is unable to produce in the horizontal direction
Raw displacement；Locating branch slice 33 is particularly located to be connected in the cavity formed between the latter two by frame 1 and sound basin 2, the upper table of frame 1
There is the flange 11 of multiple circular circles of magnetic circuit mounting holes 10 1 upwardly extended, difference outside each magnetic circuit mounting hole 10 on face
Equipped with a flange 11, locating branch slice 33 and flange 11 cooperate to which the two is combined closely, thus locating branch slice 33
It can be stuck between the inner wall of flange 11 (as shown in Figure 3), prevent locating branch slice 33 from shaking.U iron 37 has inner cavity and upper end spacious
Mouth setting, the upper limb of U iron 37 are fixedly connected at magnetic circuit mounting hole 10 (such as hole wall of magnetic circuit mounting hole 10, or neighbouring magnetic circuit peace
Fill 1 lower surface of frame in hole 10), magnetic circuit mounting hole 10 is connected to the inner cavity of U iron 37；Secondary neodymium magnet steel 34, magnetic pole core 35, main neodymium magnet steel
36 are stacked from top to bottom, and are fixedly installed in the inner cavity of U iron 37, form magnetic circuit component；The lower surface of secondary neodymium magnet steel 34
It is fitted closely with the upper surface of magnetic pole core 35, the lower surface of magnetic pole core 35 and the upper surface of main neodymium magnet steel 36 fit closely；Secondary neodymium
There is interval, to be formed around secondary neodymium magnet steel between magnet steel 34, magnetic pole core 35 and main 36 three of neodymium magnet steel and the inner wall of U iron 37
34, the magnetic gap of magnetic pole core 35 and main 36 three of neodymium magnet steel, the lower end of voice coil 32 plug downwards from magnetic circuit mounting hole 10 to magnetic gap
In, there are also deposit between gap, with 37 inner wall of U iron between the secondary neodymium magnet steel 34 of voice coil 32, magnetic pole core 35 and main 36 three of neodymium magnet steel
In gap, so as to move up and down in magnetic gap.
Magnetic circuit component in the present embodiment is using above-mentioned secondary neodymium magnet steel and main neodymium magnet steel, with small in size, light-weight
Advantage.In other some embodiments, above-mentioned secondary neodymium magnet steel and main neodymium magnet steel in magnetic circuit component can be respectively replaced with iron
Ferrite magnetic steel, and then reduce the cost of magnetic circuit component.
As shown in Figures 2 and 3, the middle part of frame 1 is provided with multipair audio signal input terminal 5, and each pair of audio signal is defeated
Enter terminal 5 to be electrically connected with the lead of a voice coil 32 respectively.Wherein, each pair of audio signal input terminal 5 includes positive terminal
And negative terminal, one of lead of each voice coil 32 are electrically connected to the positive terminal in a pair of of audio signal input terminal 5
Son, another lead are electrically connected to this to the negative terminal in audio signal input terminal 5, defeated to audio signal to receive this
Enter the audio signal (analog signal or digital signal) of the input of terminal 5.To simultaneously by four pairs of audio signal input terminals 5
Drive four voice coils 32.Realize that audio signal inputs integrated terminal by being equipped with more degree in frame 1, the positive and negative anodes of each voice coil 32 draw
Line can be attached with 1 bottom intermediate terminal of frame respectively, and the both easy multichannel of this connection type inputs drive the speaker system
It makes, the connection for also facilitating audio signal to input.
As shown in figure 4, being provided with multiple reinforcing ribs 23 on sound basin 2, the intensity of the work of sound basin 2 can be increased.Specific such as Fig. 4
In, circumferencial direction arranged at equal intervals of multiple reinforcing ribs 23 along sound basin 2, each radially extending along sound basin 2 of reinforcing rib 23.Reinforcing rib
23 between voice coil mounting hole 20.
The working principle of the loudspeaker of multichannel input driving are as follows: audio signal passes through audio signal input end in frame 1
Son 5 is input to multiple voice coils 32, multiple voice coils 32 thus synchronous up and down motion under the action of magnetic circuit component, to push sound basin
2 vibrations, carry out sounding.The loudspeaker of multichannel input driving of the invention, uses bottom for flat sound basin 2, at sound basin bottom
Portion 21 is formed by and opens up three or three or more voice coil mounting holes 20 in plane, and the voice coil 32 with three or three or more
It combines closely, locating branch slice 33 of the voice coil 32 again with three or three or more is combined closely, and three or three or more defeated is formed
Enter driving mechanism 3, using three or three or more magnetic circuit Component driver voice coils 32, passes through three or three or more voice coils 32
Sound basin 2 is pushed, therefore can not only reduce product height, and product directive property can be widened, is inputted by multiple audio signals, is reduced
Product distortion, increases loudspeaker sensitivity, improves loudspeaker clarity.Using integrated terminal, simplify product itself connection, and side
Just audio signal input connection.
The loadspeaker structure is ingenious rationally, and by using plane tail band taper sound basin structure, plane tail band taper sound basin refers to
Tropism width is better than conventional loudspeakers；Audio signal input is received respectively by three or more voice coils, and primary sound is reset and distortion
Better than conventional loudspeakers；By using plane tail band taper sound basin shape, sound basin height is lower than traditional cone sound basin height, sound basin
Height, which reduces, can equally reduce product height；By using three or more voice coils and three or more magnetic circuit component composition
Driving structure is inputted, loudspeaker sensitivity is increased；It is closely connect by plane tail band taper sound basin with three or more voice coils, three
A or above voice coil moves up and down by three tunnels or above audio signal input driving voice coil in U iron circuit and pushes sound basin hair
Sound.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, and purpose exists
It cans understand the content of the present invention and implement it accordingly in person skilled in the art, protection of the invention can not be limited with this
Range.Equivalent transformation or modification made by all Spirit Essences according to the present invention, should all cover protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of loudspeaker of multichannel input driving, including frame and the sound basin being set in the frame, it is characterised in that: institute
State the input driving mechanism that loudspeaker further includes three or three or more, three or three or more input driving mechanism edges
One circumference arranged at equal intervals, each input driving mechanism respectively include voice coil and the magnetic circuit group for driving the voice coil vibrations
Part；
The frame is equipped with multiple magnetic circuit mounting holes, is at most provided with the magnetic circuit group at each magnetic circuit mounting hole
Part；
The sound basin is equipped with multiple voice coil mounting holes, is at most provided with the voice coil at each voice coil mounting hole；
The sound basin has whole rounded flat sound basin bottom part, the center of circle weight in the center of circle of the circumference and the sound basin bottom part
Close, open up on the sound basin bottom part there are three or three or more voice coil mounting holes, the center line of the voice coil mounting hole
The voice coil is respectively arranged with across the circumference, in each voice coil mounting hole so that the voice coil and the sound basin
Bottom is connected.
2. loudspeaker according to claim 1, it is characterised in that: the sound basin also has the outer rim from the sound basin bottom part
The tapered skirt portion that inclination extends, the tapered skirt portion are fixedly connected on the frame by yoke ring upwards.
3. loudspeaker according to claim 1, it is characterised in that: opened up in the frame there are three or three or more institutes
Magnetic circuit mounting hole is stated, the magnetic circuit mounting hole is respectively set along the circumference arranged at equal intervals, each magnetic circuit mounting hole
There is the magnetic circuit component.
4. loudspeaker according to claim 1, it is characterised in that: each input driving mechanism respectively further comprises dust-proof
It covers, covering is provided with the dust cover on each voice coil mounting hole.
5. loudspeaker according to claim 1, it is characterised in that: each input driving mechanism respectively further comprises positioning branch
Piece is arranged with the locating branch slice on each voice coil.
6. loudspeaker according to claim 5, it is characterised in that: have in the frame multiple around magnetic circuit installation
The flange in hole, the locating branch slice and the flange cooperate so that the locating branch slice be stuck in the flange inner wall it
Between.
7. loudspeaker according to claim 1, it is characterised in that: the magnetic circuit component includes the U iron with inner cavity, setting
In magnet steel and magnetic pole core in the U iron, it is formed with magnetic gap between the magnet steel and magnetic pole core and the inner wall of the U iron, it is described
Voice coil can be inserted in up or down in the magnetic gap, and the upper limb of the U iron is fixedly connected on the magnetic circuit peace of the frame
It fills at hole.
8. loudspeaker according to claim 1, it is characterised in that: be provided with multipair audio signal input end in the frame
Son, each pair of audio signal input terminal are electrically connected with the lead of a voice coil respectively.
9. loudspeaker according to claim 1, it is characterised in that: be provided with multiple reinforcing ribs on the sound basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536247.8A CN110381422A (en) | 2019-06-20 | 2019-06-20 | A kind of loudspeaker of multichannel input driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536247.8A CN110381422A (en) | 2019-06-20 | 2019-06-20 | A kind of loudspeaker of multichannel input driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110381422A true CN110381422A (en) | 2019-10-25 |
Family
ID=68250447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536247.8A Pending CN110381422A (en) | 2019-06-20 | 2019-06-20 | A kind of loudspeaker of multichannel input driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110381422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022194100A1 (en) * | 2021-03-16 | 2022-09-22 | 华为技术有限公司 | Speaker and electronic device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154296A (en) * | 1994-11-28 | 1996-06-11 | Matsushita Electric Ind Co Ltd | Slim rectangular speaker |
| CN1652635A (en) * | 2004-02-06 | 2005-08-10 | 索尼株式会社 | Speaker apparatus |
| CN101044789A (en) * | 2005-09-27 | 2007-09-26 | 松下电器产业株式会社 | Speaker |
| CN201263213Y (en) * | 2008-08-22 | 2009-06-24 | 无锡杰夫电声有限公司 | Thin type loudspeaker with double magnetic circuit structure |
| CN101695146A (en) * | 2009-09-30 | 2010-04-14 | 无锡杰夫电声有限公司 | Dual-drive speaker |
| CN101742385A (en) * | 2009-12-24 | 2010-06-16 | 无锡杰夫电声有限公司 | Thin type electrodynamic loudspeaker |
| CN101924974A (en) * | 2009-06-12 | 2010-12-22 | 星电株式会社 | Loud speaker |
| CN101931840A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| JP2014022860A (en) * | 2012-07-17 | 2014-02-03 | Yoshikazu Eguchi | Speaker unit |
| CN204733375U (en) * | 2015-06-29 | 2015-10-28 | 歌尔声学股份有限公司 | Loud speaker |
| US20160127835A1 (en) * | 2013-05-08 | 2016-05-05 | Goertek Inc. | Tablet Woofer and Electronic Device Using Same |
-
2019
- 2019-06-20 CN CN201910536247.8A patent/CN110381422A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08154296A (en) * | 1994-11-28 | 1996-06-11 | Matsushita Electric Ind Co Ltd | Slim rectangular speaker |
| CN1652635A (en) * | 2004-02-06 | 2005-08-10 | 索尼株式会社 | Speaker apparatus |
| CN101044789A (en) * | 2005-09-27 | 2007-09-26 | 松下电器产业株式会社 | Speaker |
| CN201263213Y (en) * | 2008-08-22 | 2009-06-24 | 无锡杰夫电声有限公司 | Thin type loudspeaker with double magnetic circuit structure |
| CN101924974A (en) * | 2009-06-12 | 2010-12-22 | 星电株式会社 | Loud speaker |
| CN101695146A (en) * | 2009-09-30 | 2010-04-14 | 无锡杰夫电声有限公司 | Dual-drive speaker |
| CN101742385A (en) * | 2009-12-24 | 2010-06-16 | 无锡杰夫电声有限公司 | Thin type electrodynamic loudspeaker |
| CN101931840A (en) * | 2010-09-30 | 2010-12-29 | 无锡杰夫电声有限公司 | Thin type speaker with wavy positioning support chip |
| JP2014022860A (en) * | 2012-07-17 | 2014-02-03 | Yoshikazu Eguchi | Speaker unit |
| US20160127835A1 (en) * | 2013-05-08 | 2016-05-05 | Goertek Inc. | Tablet Woofer and Electronic Device Using Same |
| CN204733375U (en) * | 2015-06-29 | 2015-10-28 | 歌尔声学股份有限公司 | Loud speaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022194100A1 (en) * | 2021-03-16 | 2022-09-22 | 华为技术有限公司 | Speaker and electronic device |
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Application publication date: 20191025 |
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| RJ01 | Rejection of invention patent application after publication |