CN104159183B - A kind of test system of dynamic balancing laminate testing device and the application device - Google Patents
A kind of test system of dynamic balancing laminate testing device and the application device Download PDFInfo
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- CN104159183B CN104159183B CN201410331160.4A CN201410331160A CN104159183B CN 104159183 B CN104159183 B CN 104159183B CN 201410331160 A CN201410331160 A CN 201410331160A CN 104159183 B CN104159183 B CN 104159183B
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Abstract
The invention discloses a kind of dynamic balancing laminate testing device and system, including position-limited rack etc., the position-limited rack can move up and down the device；The buffering stand is arranged on the position-limited rack, and can be slided up and down relative to the position-limited rack；The upper surface for putting forth effort support has connecting portion and two dynamic balancing springs positioned at the connecting portion both sides, the connecting portion is articulated with the buffering stand, described two dynamic balancing springs in compressive state branch withstand on it is described put forth effort between support and the buffering stand, and described two dynamic balancing springs are arranged symmetrically relative to the connecting portion；The lower surface for putting forth effort support has two and puts forth effort supporting leg, and described two supporting legs of putting forth effort are arranged symmetrically relative to the connecting portion；The probe mechanism is fixed on the position-limited rack.The system includes the device.The purpose of the present invention solves the technical problems such as the fragile inside loudspeakers component of traditional laminate testing device and test data uniformity difference.
Description
Technical field
The present invention relates to electronic product technical field of measurement and test, more particularly to a kind of enter action balance pressing test to loudspeaker
Device, and the test system using the device.
Background technology
With the continuous upgrading of people's consumption idea, requirement of many consumers to sound timbre improves constantly, and then band
The development in dynamic loudspeaker (including SPK monomers, SPK modules etc.) field, therefore, to loudspeaker in production test efficiency and quality etc.
Aspect it is also proposed higher requirement.
At present, the production of loudspeaker progressively to automation, intelligent development, but test mode is still more original hardness
Pressing test, is directly pressed on a speaker for example with board type members, the mode of hardness pressing test, its rigid pressing
Dynamics is without any buffering and regulation, it is easy to inside loudspeakers structure caused to damage, and because pressing dynamics is to different stress
The force at place is uneven, causes the uniformity of its test data to be difficult to ensure that.
To sum up, in electronic product technical field of measurement and test, there is an urgent need to one kind can improve testing efficiency, yield and uniformity,
Reduce the laminate testing device of operation intensity.
The content of the invention
It is easy with the laminate testing device for solving traditional it is an object of the invention to provide a kind of dynamic balancing laminate testing device
Damage the technical problem such as inside loudspeakers component and test data uniformity difference.
Also resided in based on above-mentioned purpose and a kind of dynamic balancing pressing test system is provided, to solve traditional pressing test system
The technical problem such as fragile inside loudspeakers component and test data uniformity difference.
Based on above-mentioned first purpose, the invention discloses a kind of dynamic balancing laminate testing device, for being carried out to loudspeaker
Pressing test, the device include position-limited rack, buffering stand, put forth effort support and probe mechanism, wherein：
The position-limited rack can move up and down；
The buffering stand is arranged on the position-limited rack, and can be slided up and down relative to the position-limited rack；
The upper surface for putting forth effort support has connecting portion and two dynamic balancing springs positioned at the connecting portion both sides, institute
State connecting portion and be articulated with the buffering stand, described two dynamic balancing springs are withstood in compressive state branch described puts forth effort support and institute
Between stating buffering stand, and described two dynamic balancing springs are arranged symmetrically relative to the connecting portion；
The lower surface for putting forth effort support has two and puts forth effort supporting leg, and described two supporting legs of putting forth effort are relative to the connecting portion
It is arranged symmetrically, for pressing loudspeaker；
The probe mechanism is fixed on the position-limited rack, for carrying out electric power conducting when pressing loudspeaker.
Optionally, two sides of the buffering stand are respectively arranged with the convex platform and lower convex platform of extending transversely, and described
The convex platform and lower convex platform of both sides are respectively symmetrically arranged；It is corresponding,
The position-limited rack has the open slot of downwardly facing opening, and the convex platform of the both sides is located in the open slot, and institute
Stating the convex platform of both sides can slide up and down in the open slot；
The notch of the open slot has the bending part to groove inner bending, and the bending part is used to prevent the both sides
Boss departs from the open slot.
Optionally, buffer spring is provided between the buffering stand and the position-limited rack, the position-limited rack is relative to institute
When stating buffering stand and moving down, the buffer spring is compressed.
Optionally, the buffer spring is arranged between the upper surface of the buffering stand and the bottom land of the open slot.
Optionally, the buffering stand also includes adjustable hydraulic damping device, and the cylinder body of the adjustable hydraulic damping device is consolidated
Due to the buffering stand, its expansion link is stretched down, and the least significant end during expansion link nature is puted forth effort less than described
The least significant end of supporting leg.
Optionally, the probe mechanism includes adjustable column, revolving dial and rotary flange, and the revolving dial has vertical
Installation portion and horizontal platform part, wherein：
The vertical installation portion is fixedly connected on the position-limited rack, and the rotary flange is detachably arranged in described flat
In platform portion；
The adjustable column passes through the rotary flange and the platform part, and the upper end of the adjustable column is used for hand-held rotation,
Its lower end is provided with probe；
There is spherical, the spherical is fastened on the rotary flange and the platform part on the cylinder of the adjustable column
Between, for the axial limiting to the adjustable column.
Optionally, the probe mechanism also includes guard member, and the head end of the guard member is curved portions, the probe
In the arc of the curved portions, the buffering stand is fixed in the end of the guard member；And
The least significant end of the curved portions is higher than the least significant end for putting forth effort supporting leg
Based on above-mentioned second purpose, the invention discloses a kind of dynamic balancing to press test system, and the system includes being used to put
The holding tray of loudspeaker, the rear column being vertically installed on the holding tray and the quick clip above rear column are put, should
System also includes dynamic balancing laminate testing device as described above, and the position-limited rack of the device can slide up and down installed in institute
State on rear column, and fixed hanging is on the quick clip.
Optionally, hanging is fixed on the quick clip in the top of the position-limited rack by wedge-shaped Dogbolt；The limit
The side of position frame has sliding block, corresponding, has vertical slide rail on the rear column, the sliding block slidably blocks
Close on the slide rail
In summary, dynamic balancing laminate testing device provided by the invention, by the position-limited rack that can be moved up and down, with phase
The buffering stand for being capable of slide downward for position-limited rack is engaged effect, realizes soft pressing purpose, i.e. position-limited rack moves down
Drive the supporting leg of putting forth effort for putting forth effort support to move down and press loudspeaker, and in bonding processes are continued, the buffering stand and
Relative slip occurs between the position-limited rack, its resistance to sliding serves a certain degree of cushioning effect to pressing action, and then
Realize soft pressing.It is further, of the invention also by setting buffer spring between the buffering stand and the position-limited rack,
And adjustable hydraulic damping device is set on the buffering stand, above-mentioned delay is strengthened by the elastic force and flowed friction of spring
Punching acts on, and further improves the effect of soft pressing.Than the scheme of traditional hard pressing, present invention effectively prevents bonding processes
Damage for inside loudspeakers component.
On the basis of above-mentioned soft pressing, the present invention in the upper surface for putting forth effort support also by setting connecting portion and two
Individual dynamic balancing spring, to realize that the force of bonding processes balances purpose, i.e. the connecting portion positioned at centre is articulated with described slow
Support is rushed, described two dynamic balancing springs on both sides is symmetrically located in and withstands on the support and described slow puted forth effort in compressive state branch
Rush between support, realize that medium position is fixed and dynamic lever construction rotatable and that both sides can accordingly be swung up and down, when symmetrical
When two set put forth effort the corresponding pressing position of supporting leg pressing loudspeaker, if two pressing positions of product are not at same water
Plane, then two dynamic balancing springs different deformation correspondingly occurs, for offsetting the difference of different level, realize at two press
The stress equalization of position.Than the scheme of traditional hard pressing, dynamic balancing of the invention pressing scheme force is balanced, effectively carries
High test data uniformity.
In addition, dynamic balancing pressing test system provided by the invention, employs above-mentioned test device, has above-mentioned test
The advantages of device.
Brief description of the drawings
Fig. 1-Fig. 6 is embodiment one：
Fig. 1 a are the structural representations of dynamic balancing laminate testing device of the present invention；
Fig. 1 b are the exploded perspective views of dynamic balancing laminate testing device of the present invention；
Fig. 2 a are the assembling schematic diagrams of position-limited rack and buffering stand；
Fig. 2 b are the exploded perspective views of position-limited rack and buffering stand；
Fig. 3 a are the assembling schematic diagrams of buffering stand and adjustable hydraulic damping device；
Fig. 3 b are the exploded perspective views of buffering stand and adjustable hydraulic damping device；
Fig. 4 a are buffering stands and put forth effort the assembling schematic diagram of support；
Fig. 4 b are buffering stands and put forth effort the exploded perspective view of support；
Fig. 5 a are the assembling schematic diagrams of probe mechanism；
Fig. 5 b are the exploded perspective views of probe mechanism；
Fig. 6 a are the assembling schematic diagrams of position-limited rack, buffering stand and probe mechanism；
Fig. 6 b are the exploded perspective views of position-limited rack, buffering stand and probe mechanism.
Fig. 7-8 is embodiment two：
Fig. 7 is the structural representation (lifting status) of dynamic balancing pressing test system of the present invention；
Fig. 8 is the structural representation (stitching state) of dynamic balancing pressing test system of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
It is embodiments of the invention one referring to Fig. 1-6, it is main this embodiment offers a kind of dynamic balancing laminate testing device
It is used to carry out pressing test to loudspeaker.The device mainly position-limited rack 10, buffering stand 8, put forth effort support 7 etc. with cooperation
Under, realize it is soft pressing and force balance purpose, and then solve the fragile inside loudspeakers component of traditional press fit device with
And the technical problem of test data uniformity difference.
Referring to Fig. 1 a, 1b, the device includes position-limited rack 10, buffering stand 8, puts forth effort support 7 and probe mechanism 20.The limit
Position frame 10 can move up and down, for provide whole device lift and pressing action driving force.The buffering stand 8 is installed
On the position-limited rack 10, and it can be slided up and down relative to the position-limited rack 10；With reference to Fig. 4 a, 4b, the support 7 puted forth effort
Upper surface has connecting portion 71 and two dynamic balancing springs 5 positioned at the both sides of connecting portion 71, and the connecting portion 71 is articulated with
The buffering stand 8, described two dynamic balancing springs 5 are withstood in compressive state branch described puts forth effort support 7 and the buffering stand 8
Between, and described two dynamic balancing springs 5 are arranged symmetrically relative to the connecting portion 71, that is, the both ends of the buffering stand 8
It can carry out corresponding to swing up and down using the connecting portion 71 at middle part as fulcrum, form a kind of dynamic lever construction；It is described to put forth effort
The lower surface of support 7 has two and puts forth effort supporting leg 72, and described two supporting legs 72 of putting forth effort are arranged symmetrically relative to the connecting portion 71,
For pressing loudspeaker；The probe mechanism 20 is fixed on the position-limited rack 10, for carrying out electric power when pressing loudspeaker
Conducting.
In above-mentioned scheme, when the position-limited rack 10 moves down, the buffering stand 8 and it is described put forth effort support 7 with
Move down, it is described to put forth effort after support 7 touches loudspeaker, namely the corresponding pressing position puted forth effort leg and be pressed together on loudspeaker
Postpone, when continuing to move down, the buffering stand 8 occurs to slide relatively with the position-limited rack 10, and its relative resistance slided is one
Determine to play the cushioning effect pushed in degree, and then realize soft pressing.And on this basis, loudspeaker corresponds to two
If the pressing position of power leg is not at same level, described two dynamic balancing springs 5 are corresponding to occur different degrees of shape
Become, for offsetting the influence of above-mentioned non-same level, and then realize the stress equalization of two pressing positions of loudspeaker, it is ensured that pressure
Close the uniformity of test data.
In above-mentioned scheme, the relative slip of the buffering stand 8 and the position-limited rack 10, it is preferably arranged to, it is described slow
Two sides for rushing support 8 are respectively arranged with the convex platform 81 and lower convex platform 82 of extending transversely, and the He of convex platform 81 of the both sides
Lower convex platform 82 is respectively symmetrically arranged, i.e., in I-shaped；Corresponding, the position-limited rack 10 has the open slot of downwardly facing opening
101, the convex platform 81 of the both sides is located in the open slot 101, and the convex platform 81 of the both sides can be in the opening
Slided up and down in groove 101；The notch of the open slot 101 has the bending part 102 to groove inner bending, and the bending part 102 is used
Depart from the open slot 101 in preventing the convex platform 81 of the both sides.The set-up mode has compact-sized and reliable
Feature.
Referring to Fig. 1 a, 1b and Fig. 2 a, 2b, in an alternative of the embodiment, the buffering stand 8 and described spacing
Buffer spring 9 is provided between frame 10, when the position-limited rack 10 moves down relative to the buffering stand 8, the buffering elastic
Spring 9 is compressed.By the buffer spring 9 it is compressed when bounce, improve the effect of soft pressing.In the specific implementation,
Such as can groove is set in the top surface of the buffering stand 8, one end of the buffer spring 9 is located in the groove, separately
One end branch is withstood on the position-limited rack 10, to improve the stability of spring, and is conveniently replaceable the spring of different compression ratios.
It is the effect for further improving soft pressing, in another optional side of the embodiment referring to Fig. 1 a, 1b and Fig. 3 a, 3b
In case, the buffering stand 8 also includes adjustable hydraulic damping device 12, and the cylinder body of the adjustable hydraulic damping device 12 is fixed on institute
Buffering stand 8 is stated, its expansion link stretches down, and the least significant end during expansion link nature puts forth effort supporting leg 72 less than described
Least significant end.When device moves down, the expansion link first touches reference plane D, i.e., first touches work top, and expansion link is pressurized
Retraction, its flowed friction plays the cushioning effect of pressing, for realizing, puts forth effort to start to delay before leg touches product described
Punching, pressing significantly more efficient can be avoided to act the damage to inside loudspeakers component.
Referring to Fig. 1 a, 1b and Fig. 5 a, 5b, in the another alternative of the embodiment, the probe mechanism 20 includes adjusting
Segmented column 2, revolving dial 3 and rotary flange 1, the revolving dial 3 have vertical installation portion and horizontal platform part.It is described perpendicular
To installation portion be fixedly connected on the position-limited rack 10, the rotary flange 1 is detachably arranged in the platform part, such as
It can be, be bolted as illustrated in the drawing；The adjustable column 2 passes through the rotary flange 1 and the platform part, described
The upper end of adjustable column 2 is used for hand-held rotation, and its lower end is provided with probe 4, is generally fitted with two probes 4；The adjustable column 2
There is spherical, the spherical is fastened between the rotary flange 1 and the platform part, for the regulation on cylinder
The axial limiting of post 2.Looser a bolt manually, loosen the assembling between the rotary flange 1 and the platform part, you can to pass through
The position of the upper end adjustment probe 4 of the adjustable column 2, tightens bolt and is fixedly clamped by rotary flange 1 and platform part after adjustment
Adjustable column 2, and then realize the fixation of probe 4.The adjustment mode is simple and reliable, and the characteristics of be based on spherical, can be achieved 360
Degree adjustment.
Referring to Fig. 1 a, 1b and Fig. 6 a, 6b, on the basis of such scheme, the probe mechanism 20 also includes guard member
6, the head end of the guard member 6 is curved portions, and the probe 4 is located in the arc of the curved portions, the guard member 6
The buffering stand 8 is fixed in end；And the least significant end of the curved portions is prevented higher than the least significant end for putting forth effort supporting leg 72
Only it influences to test effect prior to putting forth effort leg to touch loudspeaker or work top.Curved portions can effectively prevent from grasping by mistake
Work etc. touches probe 4, plays protective action.And the probe 4 is with the synchronizing moving of position-limited rack 10, the guard member 6
With the synchronizing moving of buffering stand 8, therefore there is relative-movement state between the probe 4 and the guard member 6, be easy to
After certain time when changing the operation of probe 4 grade, such as starting to lift the probe 4, the guard member 6 just starts to move up,
Before the guard member 6 moves up, there is certain difference in height between the probe 4 and the guard member 6, now can be with
The replacing of probe 4 is carried out in the case where unshielded component 6 is interfered.
In above-mentioned scheme, further combined with Fig. 1 b, the buffering stand 8 is articulated with for the connecting portion 71, there is provided
A kind of preferred scheme, the preferred scheme have the advantages of compact-sized and reliable.The end of the guard member 6 has
The connecting rod 61 of extending transversely；Corresponding, the connecting portion 71 for putting forth effort support 7 has via, the buffering stand 8
With mounting hole；After the connecting rod 61 slidably passes through the via, it is inlaid in the mounting hole.
Embodiment two
It is embodiments of the invention two referring to Fig. 7,8, this embodiment offers a kind of dynamic balancing to press test system, main
It is used to carry out pressing test to loudspeaker.The embodiment is the concrete application of embodiment one, the technology described by embodiment one
Scheme belongs to the embodiment, and the technical scheme that embodiment one has described is not repeated to describe.
Specifically, the system is including being used to place the holding tray 100 of loudspeaker, being vertically installed at the holding tray 100
On rear column 200 and the quick clip 300 above rear column 200, and, the system also include embodiment one described by
Dynamic balancing laminate testing device, the position-limited rack 10 of the device can slide up and down on the rear column 200, with
And fixed hanging is on the quick clip 300.Fig. 7 is clear in structure to make, and the handle of quick clip 300 is not shown.
In the alternative of the embodiment, the top of the position-limited rack 10 is fixed hanging by wedge-shaped Dogbolt 11 and existed
On the quick clip 300, in order to assemble.The side of the position-limited rack 10 has sliding block, corresponding, the rear column
There is vertical slide rail, the sliding block is slidably fastened on the slide rail, passes through the cooperation side of sliding block and slide rail on 200
Formula, improve the stability of slip.
When driving the quick clip 300, you can realize between stitching state shown in lifting status shown in Fig. 7 and Fig. 8
Switching, by taking bonding processes as an example：When driving the quick clip 300, the position-limited rack 10 moves down therewith, the buffering stand
8 and the support 7 of putting forth effort move down therewith；The adjustable hydraulic damping device 12 touches the card of holding tray 100 first, after
Continuous to push, the adjustable hydraulic damping device 12, which shrinks, to be started to pushing into row buffering, namely realizes soft pressing effect；Then institute
State and put forth effort the leg of putting forth effort of support 7 and touch loudspeaker, start to carry out pressing test to loudspeaker, continue to push the then buffering branch
Frame 8 relatively moves with the position-limited rack 10, and the buffer spring 9 starts compression and gone forward side by side a stepping row buffering, improves soft pressure
The effect of conjunction；In bonding processes, described two dynamic balancing springs 5 produce different deformation, realize force balance, and then ensure to survey
Try the uniformity of data.
The system has the advantages of device using the laminate testing device described by embodiment one.And then so that this is
System effectively improves production efficiency and homogeneity of product, and reduces artificially on influence caused by test, and reduces operation
Personnel repeat intensity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of dynamic balancing laminate testing device, for carrying out pressing test to loudspeaker, it is characterised in that the device includes limit
Position frame, buffering stand, put forth effort support and probe mechanism, wherein：
The position-limited rack can move up and down；
The buffering stand is arranged on the position-limited rack, and can be slided up and down relative to the position-limited rack；
The upper surface for putting forth effort support has connecting portion and two dynamic balancing springs positioned at the connecting portion both sides, the company
Socket part is articulated with the buffering stand, and described two dynamic balancing springs withstand on the support and described slow puted forth effort in compressive state branch
Rush between support, and described two dynamic balancing springs are arranged symmetrically relative to the connecting portion；
The lower surface for putting forth effort support has two and puts forth effort supporting leg, and described two to put forth effort supporting leg symmetrical relative to the connecting portion
Arrangement, for pressing loudspeaker；
The probe mechanism is fixed on the position-limited rack, for carrying out electric power conducting when pressing loudspeaker.
2. dynamic balancing laminate testing device according to claim 1, it is characterised in that two sides of the buffering stand point
The convex platform and lower convex platform of extending transversely are not provided with, and the convex platform of the both sides and lower convex platform are respectively symmetrically arranged；Therewith
Corresponding,
The position-limited rack has the open slot of downwardly facing opening, and the convex platform of the both sides is located in the open slot, and described two
The convex platform of side can slide up and down in the open slot；
The notch of the open slot has the bending part to groove inner bending, and the bending part is used for the convex platform for preventing the both sides
Depart from the open slot.
3. dynamic balancing laminate testing device according to claim 2, it is characterised in that the buffering stand and described spacing
Buffer spring is provided between frame, when the position-limited rack moves down relative to the buffering stand, the buffer spring is pressurized
Contracting.
4. dynamic balancing laminate testing device according to claim 3, it is characterised in that the buffer spring is arranged on described
Between the bottom land of the upper surface of buffering stand and the open slot.
5. dynamic balancing laminate testing device according to claim 3, it is characterised in that the buffering stand also includes can
Hydraulic bjuffer is adjusted, the cylinder body of the adjustable hydraulic damping device is fixed on the buffering stand, and its expansion link stretches down, and institute
Least significant end when stating expansion link nature is less than the least significant end for putting forth effort supporting leg.
6. dynamic balancing laminate testing device according to claim 1, it is characterised in that the probe mechanism includes regulation
Post, revolving dial and rotary flange, the revolving dial have vertical installation portion and horizontal platform part, wherein：
The vertical installation portion is fixedly connected on the position-limited rack, and the rotary flange is detachably arranged in the platform part
On；
The adjustable column passes through the rotary flange and the platform part, and the upper end of the adjustable column is used for hand-held rotation, under it
End is provided with probe；
There is spherical on the cylinder of the adjustable column, the spherical be fastened on the rotary flange and the platform part it
Between, for the axial limiting to the adjustable column.
7. dynamic balancing laminate testing device according to claim 6, it is characterised in that the probe mechanism also includes protection
Component, the head end of the guard member is curved portions, and the probe is located in the arc of the curved portions, the guard member
The buffering stand is fixed in end；And
The least significant end of the curved portions is higher than the least significant end for putting forth effort supporting leg.
8. dynamic balancing laminate testing device according to claim 7, it is characterised in that the end of the guard member has
The connecting rod of extending transversely；It is corresponding,
The connecting portion for putting forth effort support has via, and the buffering stand has mounting hole；
After the connecting rod slidably passes through the via, it is inlaid in the mounting hole.
9. a kind of dynamic balancing presses test system, holding tray that the system includes being used to place loudspeaker, be vertically installed at it is described
Rear column on holding tray and the quick clip above rear column, it is characterised in that the system also includes such as claim
Dynamic balancing laminate testing device described in any one of 1-8, the position-limited rack of the device can slide up and down installation in the rear
On column, and fixed hanging is on the quick clip.
10. dynamic balancing according to claim 9 presses test system, it is characterised in that
Hanging is fixed on the quick clip in the top of the position-limited rack by wedge-shaped Dogbolt；
The side of the position-limited rack has sliding block, corresponding, has vertical slide rail, the sliding block on the rear column
Slidably it is fastened on the slide rail.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410331160.4A CN104159183B (en) | 2014-07-11 | 2014-07-11 | A kind of test system of dynamic balancing laminate testing device and the application device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410331160.4A CN104159183B (en) | 2014-07-11 | 2014-07-11 | A kind of test system of dynamic balancing laminate testing device and the application device |
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| CN104159183B true CN104159183B (en) | 2017-12-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107807134A (en) * | 2017-11-09 | 2018-03-16 | 上海御渡半导体科技有限公司 | A kind of electric testing agency of pcb board pressing degree |
| CN109511073B (en) * | 2018-11-15 | 2021-05-28 | 歌尔股份有限公司 | Headset testing equipment and testing method |
| CN109769192B (en) * | 2019-01-23 | 2020-12-29 | 梧州恒声电子科技有限公司 | Full-frequency loudspeaker curve testing device |
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| Publication number | Publication date |
|---|---|
| CN104159183A (en) | 2014-11-19 |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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