CN102203564A - Test fixture and test method - Google Patents
Test fixture and test method Download PDFInfo
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- CN102203564A CN102203564A CN201180000552.7A CN201180000552A CN102203564A CN 102203564 A CN102203564 A CN 102203564A CN 201180000552 A CN201180000552 A CN 201180000552A CN 102203564 A CN102203564 A CN 102203564A
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- slide block
- support
- thrust unit
- test fixture
- push rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The embodiments of the invention disclose a test fixture and a test method, concerning the mechanical field, for solving problems of long operational time and low test efficiency of the conventional test fixture. The test fixture comprises a pedestal; a horizontal track is arranged in the pedestal and a horizontally moving support is arranged on the horizontal track; a support plate used for bearing tested piece is arranged on the pedestal; a first slider which can horizontally move relative to the support is arranged on the support and one end of the first slider has a slope and the other end of the first slider is connected with a driving device; a verical track is arranged relative to the bottom of the end of the first slider with the slope and a second slider is slideably arranged in the vertical track; a first elastic component is arranged between the support and the driving device; and locating components are arranged in the moving track of the support on the pedestal. The product of the invention is used for testing the terminal products.
Description
Technical field
The present invention relates to a kind of mechanical hook-up, relate in particular to a kind of test fixture and method of testing.
Background technology
Because the mass production of terminal series products in the production test procedure of terminal series products, needs the test fixture of a large amount of auxiliary usefulness to test.
In the prior art, the test fixture that the terminal series products is tested needs respectively to realize test to measured piece by two different actuations at least.One of them action is used for moving horizontally and is used for testing the press member that needle-bar presses down, and another action is used for pressing down described press member, presses down the test needle-bar by described press member.
In the process of using existing test fixture, the inventor finds that there are the following problems at least in the prior art: because existing test fixture needs respectively to realize test to measured piece by two different actuations, running time to test fixture is longer, influences the testing efficiency of product.
Summary of the invention
Embodiments of the invention provide a kind of test fixture and method of testing, can reduce the running time of test fixture, improve the testing efficiency of product.
For achieving the above object, test fixture embodiment of the present invention adopts following technical scheme:
A kind of test fixture comprises base,
On described base, be provided with horizontal rail, on described horizontal rail, be provided with the support that can move horizontally;
On described base, also be provided with the support plate that is used to carry measured piece;
Be provided with first slide block that can move with respect to described support level on described support, an end of described first slide block has the inclined-plane, and the other end of described first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described first slide block, be provided with vertical track, on described vertical track, be mounted slidably second slide block;
Between described support and described thrust unit, be provided with first elastomeric element;
On the described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described first slide block and is moved horizontally to preset distance together with described support, described support is subjected to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described first slide block to be continued to move horizontally, and the described inclined-plane of the described first slide block end applies downward pressure to the top of described second slide block, and described second slide block moves down along described vertical track.
The embodiment of the invention also provides a kind of method of testing of using above-mentioned test fixture to test, and wherein measured piece is positioned on the support plate, and this method of testing comprises:
Thrust unit promotes first slide block and support tangential movement together;
After described support ran into the stop means stop motion, described thrust unit promoted described first slide block and continues tangential movement;
The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block;
The stressed back of described second slide block moves down along vertical track;
Exert pressure to the test needle-bar in the lower end of described second slide block, the stressed back drive of described test needle-bar testing needle moves downward with measured piece and joins.
In a kind of test fixture of the embodiment of the invention and the method for testing, promote the tangential movement together of first slide block and support; After described support runs into the stop means stop motion, promote described first slide block and continue tangential movement; The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block; The stressed back of described second slide block moves down along vertical track; Exert pressure to the test needle-bar measured piece tested in the lower end of described second slide block, it is mobile so only to need can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, improve the testing efficiency of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of test fixture embodiment one of the present invention;
Fig. 2 is the vertical view of test fixture embodiment one of the present invention shown in Figure 1;
Fig. 3 is the working state structure synoptic diagram of test fixture embodiment one of the present invention shown in Figure 1;
Fig. 4 is the structural representation of test fixture embodiment two of the present invention;
Fig. 5 is the structural representation of test fixture embodiment three of the present invention;
Fig. 6 is the process flow diagram of method of testing embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The embodiment of the invention provides a kind of test fixture, comprises base, is provided with horizontal rail on described base, is provided with the support that can move horizontally on described horizontal rail;
On described base, also be provided with the support plate that is used to carry measured piece;
Be provided with first slide block that can move with respect to described support level on described support, an end of described first slide block has the inclined-plane, and the other end of described first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described first slide block, be provided with vertical track, on described vertical track, be mounted slidably second slide block;
Between described support and described thrust unit, be provided with elastomeric element;
On the described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described first slide block and is moved horizontally to preset distance together with described support, described support is subjected to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described first slide block to be continued to move horizontally, and the described inclined-plane of the described first slide block end applies downward pressure to the top of described second slide block, and described second slide block moves down along described vertical track.
A kind of test fixture of the embodiment of the invention, thrust unit promote first slide block and support tangential movement together; After described support runs into the stop means stop motion, promote described first slide block and continue tangential movement; The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block; The stressed back of described second slide block moves down along vertical track, and it is mobile so only to need can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, the testing efficiency of raising product.
Embodiment one
Fig. 1 is the structural representation of test fixture embodiment one of the present invention; Fig. 2 is the vertical view of test fixture embodiment one of the present invention shown in Figure 1; For the sake of clarity, the needle-bar structural drawing among not shown Fig. 1 among Fig. 2; Fig. 3 is the working state structure synoptic diagram of test fixture embodiment one of the present invention shown in Figure 1;
Referring to Fig. 1, Fig. 2 and shown in Figure 3, the embodiment of the invention provides a kind of test fixture, comprises base 1, is provided with horizontal rail 2 on described base, is provided with the support 3 that can move horizontally on described horizontal rail 2;
On described support 3, be provided with the chute (not shown), in described chute, be provided with first slide block 4, described first slide block can move horizontally with respect to described support 3 along described chute 4, one end of described first slide block 4 has the inclined-plane, and the other end of described first slide block 4 links to each other with the telescopic push rod 51 of a cylinder 5; Particularly, be provided with push pedal 6 in the end of described push rod 51, described first slide block 4 links to each other with the push rod 51 of described cylinder by described push pedal 6;
On described support 3, have the below of an end on described inclined-plane corresponding to described first slide block 4, be provided with vertical track 7, on described vertical track 7, be mounted slidably second slide block 8; In order to prevent that described second slide block from freely gliding along described vertical track, second slide block described in the present embodiment and described vertical track directly adopt tighter sliding connection, so that the force of sliding friction between second slide block and the described vertical track is bigger, freely glide along described vertical track to prevent described second slide block;
Be provided with the 3rd slide block 9 in the lower end of described push pedal 6; A spring 10 is located on the described support, and an end of described spring 10 is connected with described the 3rd slide block 9, and the other end is connected with described support 3;
On the described base 1, the mobile route that is positioned at described support is provided with limiting component 11, this limiting component is a block;
Also be provided with the support plate 13 that is used to carry measured piece 12 on described base 1, described support plate 13 is provided with the needle-bar 14 that is used to test, and on described needle-bar 14 testing needle 141 is installed; During test, described measured piece is placed on the described support plate and is positioned at the below of described needle-bar;
The push rod of described cylinder promotes described first slide block by described push pedal and the 3rd slide block moves horizontally forward, described the 3rd slide block by described spring the elastic deformation pulling or promote described support and move horizontally forward together, after waiting to move to preset distance, even described second slide block move to described support plate directly over after, described described support is subjected to stopping of described limiting component to be stopped to move horizontally; The push rod of described cylinder promotes described first slide block by described push pedal and the 3rd slide block continues to move horizontally forward, described spring continues elastic deformation under the acting force of described the 3rd slide block, the described inclined-plane of the described first slide block end applies downward pressure to the top of described second slide block, described second slide block moves down along described vertical track, the lower end of described second slide block is pressed on the described test needle-bar, so that the measured piece that is positioned at described support plate is tested.
Embodiment of the invention test fixture, cylinder promote first slide block and support tangential movement together; After described support runs into the stop means stop motion, promote described first slide block and continue tangential movement; The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block; The stressed back of described second slide block moves down along vertical track, and it is mobile only to need can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, improves the testing efficiency of product.And, only need a cylinder just can finish above-mentioned pushing action in the present embodiment, cost is lower.
Embodiment two
Referring to shown in Figure 4, the structure of present embodiment and embodiment one is basic identical, and difference is:
On the one hand, in order to prevent that described second slide block 8 from freely gliding along described vertical track 7, be provided with second elastomeric element 15 described in the present embodiment between second slide block 8 and the described vertical track 7, this second elastomeric element 15 can be a spring, and flexure strip etc. can produce elastic deformation and more recover the elastomeric element of deformation.Described second elastomeric element is set between described second slide block and described vertical track, also be convenient to when the push rod of described cylinder is withdrawn in cylinder, described second slide block resets because of the suppressing action on the described inclined-plane that loses described first slide block moves up automatically along described vertical track.
On the other hand, in the present embodiment, described spring 10, promptly first elastomeric element directly is arranged on the described support 3, and an end of described spring 10 links to each other with the lower end of described push pedal 6, the other end links to each other with described support 3, like this, the push rod of described cylinder stretch out promote the chute of described first slide block on described support and move forward in, also promote described support 3 and move forward along the horizontal rail 2 on the described base 1 by described spring 10.In the present embodiment, saved described the 3rd slide block among the embodiment one, structure is simpler.
It is mobile that embodiment of the invention test fixture only needs can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, improves the testing efficiency of product.
Embodiment three
Referring to shown in Figure 5, the structure of present embodiment and embodiment one is basic identical, and difference is:
On the one hand, the needle-bar 14 of test described in the present embodiment is located at the bottom of described second slide block 8, rather than is located on the described support plate 13.Such benefit is, is convenient to measured piece 12 picking and placeing on described support plate 13, and can be as embodiment one, the inconvenience that causes measured piece to pick and place on described support plate because be provided with the test needle-bar above described support plate.
On the other hand, in the present embodiment, described first slide block 4 directly links to each other with the front end of the push rod of described cylinder 5, and described spring 10 is a cylindrical spring, be set on described first slide block 4, an end of described spring 10 is resisted against on the described support 3, and the other end is fixedlyed connected with the front end of described push rod.In the present embodiment, saved described push pedal and described the 3rd slide block among the embodiment one, structure is not only simpler, and compact more.
Again on the one hand, for the ease of the described inclined-plane of the described first slide block end top of described second slide block is applied downward pressure, so that described second slide block moves down along described vertical track, in the present embodiment, be provided with bearing 16 on the top of described second slide block 8, rotatable parts such as cylinder or ball, described bearing 16, rotatable parts such as cylinder or ball contact with described first slide block when described first slide block moves horizontally, the described inclined-plane of the described first slide block end is by described bearing 16, rotatable parts such as cylinder or ball apply downward pressure to the top of described second slide block, like this, the top of the described inclined-plane of the described first slide block end and described second slide block directly friction be rolling friction.For sliding friction, the described inclined-plane that rolling friction more helps the described first slide block end applies downward pressure to the top of described second slide block.
Be provided with the structure of rotatable parts such as bearing, cylinder or ball in the present embodiment on the top of described second slide block, also can be applicable among the foregoing description one and the embodiment two; Certainly, the structure that is provided with second elastomeric element among the embodiment two between described second slide block and described vertical track also can be applicable in the present embodiment.
Embodiment of the invention test fixture, it is mobile only to need can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, improves the testing efficiency of product.
The method of testing that the embodiment of the invention also provides a kind of test fixture that utilizes the various embodiments described above to test, wherein measured piece is positioned on the support plate, and this method of testing may further comprise the steps:
S1, thrust unit promote first slide block and support tangential movement together;
S2, after described support runs into the stop means stop motion, described thrust unit promotes described first slide block and continues tangential movement;
The inclined-plane of S3, the described first slide block end applies downward pressure to the top of second slide block;
S4, the stressed back of described second slide block move down along vertical track;
Exert pressure to the test needle-bar in the lower end of S5, described second slide block, the stressed back drive of described test needle-bar testing needle moves downward with measured piece and joins.
After testing needle and described measured piece joined, the external testing program start was to the test of described measured piece.
Embodiment of the invention method of testing promotes the tangential movement together of first slide block and support; After described support runs into the stop means stop motion, promote described first slide block and continue tangential movement; The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block; The stressed back of described second slide block moves down along vertical track, and it is mobile only to need can to finish moving horizontally with pressing down of second slide block of first slide block by a pushing action, can reduce the running time of test fixture, improves the testing efficiency of product.
Wherein, the inclined-plane of the described first slide block end applies downward pressure to the top of second slide block and is specially: the inclined-plane of the described first slide block end applies downward pressure to the top of second slide block mode by rolling friction.For sliding friction, the described inclined-plane that rolling friction more helps the described first slide block end applies downward pressure to the top of described second slide block.
Further, the lower end of described second slide block test needle-bar is exerted pressure measured piece tested after, also comprise: after moving the top institute applied pressure of removing described second slide block backward under the pulling of described first slide block at thrust unit, described second slide block moves up at the described vertical track in the effect lower edge of elastomeric element and resets, so that carry out the test of next measured piece.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a test fixture comprises base, it is characterized in that,
On described base, be provided with horizontal rail, on described horizontal rail, be provided with the support that can move horizontally;
On described base, also be provided with the support plate that is used to carry measured piece;
Be provided with first slide block that can move with respect to described support level on described support, an end of described first slide block has the inclined-plane, and the other end of described first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described first slide block, be provided with vertical track, on described vertical track, be mounted slidably second slide block;
Between described support and described thrust unit, be provided with first elastomeric element;
On the described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described first slide block and is moved horizontally to preset distance together with described support, described support is subjected to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described first slide block to be continued to move horizontally, and the described inclined-plane of the described first slide block end applies downward pressure to the top of described second slide block, and described second slide block moves down along described vertical track.
2. test fixture according to claim 1 is characterized in that,
The top of described second slide block is provided with bearing, and described bearing contacts with described first slide block when described first slide block moves horizontally.
3. test fixture according to claim 1 and 2 is characterized in that, described thrust unit is single cylinder.
4. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod, is provided with push pedal in the end of described push rod, and described first slide block links to each other with the push rod of described thrust unit by described push pedal;
Be provided with the 3rd slide block in the lower end of described push pedal;
Described first elastomeric element is located on the described support, and the one end is connected with described the 3rd slide block, and the other end is connected with described support.
5. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod, is provided with push pedal in the end of described push rod; Described first slide block links to each other with the push rod of described thrust unit by described push pedal;
Described first elastomeric element is located on the described support, and the one end links to each other with the lower end of described push pedal, and the other end links to each other with described support.
6. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod,
Described first slide block links to each other with the push rod of described thrust unit;
Described first elastomeric element is a spring, and described spring housing is located on described first slide block, and an end of described spring is resisted against on the described support, and the other end is fixedlyed connected with the front end of described push rod.
7. test fixture according to claim 1 is characterized in that,
Between described vertical track and institute's second slide block, be provided with second elastomeric element.
8. method of testing of using each described test fixture in the claim 1 to 7, wherein measured piece is positioned on the support plate, it is characterized in that, and this method of testing comprises:
Thrust unit promotes first slide block and support tangential movement together;
After described support ran into the stop means stop motion, described thrust unit promoted described first slide block and continues tangential movement;
The inclined-plane of the described first slide block end applies downward pressure to the top of second slide block;
The stressed back of described second slide block moves down along vertical track;
Exert pressure to the test needle-bar in the lower end of described second slide block, the stressed back drive of described test needle-bar testing needle moves downward with measured piece and joins.
9. method of testing according to claim 8, it is characterized in that the inclined-plane of the described first slide block end applies downward pressure to the top of second slide block and is specially: the inclined-plane of the described first slide block end applies downward pressure to the top of second slide block mode by rolling friction.
10. method of testing according to claim 8 is characterized in that, in the lower end of described second slide block test needle-bar being exerted pressure also comprises after measured piece tested:
Described first slide block moves the top institute applied pressure of removing described second slide block backward under the pulling of thrust unit;
Described second slide block moves up at the described vertical track in the effect lower edge of elastomeric element and resets.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/075645 WO2011150873A2 (en) | 2011-06-13 | 2011-06-13 | Testing fixture and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102203564A true CN102203564A (en) | 2011-09-28 |
| CN102203564B CN102203564B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180000552.7A Active CN102203564B (en) | 2011-06-13 | 2011-06-13 | Test fixture and test method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102203564B (en) |
| WO (1) | WO2011150873A2 (en) |
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| CN102759641A (en) * | 2012-07-03 | 2012-10-31 | 昆山迈致治具科技有限公司 | Opposite-insertion testing clamp |
| CN103176079A (en) * | 2013-02-19 | 2013-06-26 | 江苏和利普激光科技有限公司 | Sensor module laser frequency modulation tool |
| CN105158524A (en) * | 2015-08-25 | 2015-12-16 | 贵州航天计量测试技术研究所 | Universal test fixture for surface mounted technology (SMT)-based diode components |
| CN105424988A (en) * | 2015-12-10 | 2016-03-23 | 苏州世纪福智能装备股份有限公司 | Detection apparatus |
| CN106680590A (en) * | 2015-11-11 | 2017-05-17 | 上海西门子线路保护系统有限公司 | Dielectric property test device |
| CN108828277A (en) * | 2018-08-24 | 2018-11-16 | 苏州艾微视图像科技有限公司 | A kind of opening-closing clamp |
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| CN112296537A (en) * | 2020-10-23 | 2021-02-02 | 中国空气动力研究与发展中心高速空气动力研究所 | Transition tape cutting laser emission aligning device |
| CN113075490A (en) * | 2021-04-07 | 2021-07-06 | 山东联创高科自动化有限公司 | Frequency converter testing device and testing method thereof |
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| CN102759641A (en) * | 2012-07-03 | 2012-10-31 | 昆山迈致治具科技有限公司 | Opposite-insertion testing clamp |
| CN103176079A (en) * | 2013-02-19 | 2013-06-26 | 江苏和利普激光科技有限公司 | Sensor module laser frequency modulation tool |
| CN105158524A (en) * | 2015-08-25 | 2015-12-16 | 贵州航天计量测试技术研究所 | Universal test fixture for surface mounted technology (SMT)-based diode components |
| CN105158524B (en) * | 2015-08-25 | 2018-02-13 | 贵州航天计量测试技术研究所 | A kind of Universal test clamping apparatus of the pole component of surface mount two |
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| CN108828277A (en) * | 2018-08-24 | 2018-11-16 | 苏州艾微视图像科技有限公司 | A kind of opening-closing clamp |
| CN108828277B (en) * | 2018-08-24 | 2024-03-26 | 苏州艾微视图像科技有限公司 | Clamp for opening and closing |
| CN112296538A (en) * | 2020-10-23 | 2021-02-02 | 中国空气动力研究与发展中心高速空气动力研究所 | Transition tape cutting machine |
| CN112296537A (en) * | 2020-10-23 | 2021-02-02 | 中国空气动力研究与发展中心高速空气动力研究所 | Transition tape cutting laser emission aligning device |
| CN113075490A (en) * | 2021-04-07 | 2021-07-06 | 山东联创高科自动化有限公司 | Frequency converter testing device and testing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011150873A3 (en) | 2012-05-10 |
| CN102203564B (en) | 2013-01-30 |
| WO2011150873A2 (en) | 2011-12-08 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181225 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |