CN105388336B - Oscilloprobe auxiliary test unit - Google Patents
Oscilloprobe auxiliary test unit Download PDFInfo
- Publication number
- CN105388336B CN105388336B CN201510670960.3A CN201510670960A CN105388336B CN 105388336 B CN105388336 B CN 105388336B CN 201510670960 A CN201510670960 A CN 201510670960A CN 105388336 B CN105388336 B CN 105388336B
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- probe
- oscilloprobe
- arm
- arm body
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 110
- 239000000523 sample Substances 0.000 claims abstract description 143
- 238000003780 insertion Methods 0.000 claims abstract description 39
- 230000037431 insertion Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Classifications
-
- 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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
-
- 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
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06705—Apparatus for holding or moving single probes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
A kind of oscilloprobe auxiliary test unit, including detection platform, probe bracket and multiple test arms, probe bracket is set up in above detection platform, probe bracket is equipped with multiple probe insertions for being used to install oscilloprobe, probe insertion is corresponded with test arm and set, test arm can relative probe stent rotated and length adjustment, the one end of test arm away from probe insertion are equipped with probe corresponding with probe insertion, connecting wire are equipped between probe insertion and probe.The oscilloprobe auxiliary test unit of the present invention is equipped with the probe insertion for being used for installing oscilloprobe, and probe insertion and probe are connected by test arm, test arm can relative probe stent carry out rotation with length adjustment to adjust the position of probe, ensure that probe comes into full contact with test point, need to be only inserted into oscilloprobe in corresponding jack during use to be tested, it is easy to use, it can save manpower and time, improve the accuracy of test.
Description
Technical field
The present invention relates to the technical field of test device, especially with regard to a kind of oscilloprobe auxiliary test unit.
Background technology
At present, printed circuit board (PCB) is widely used in computer, smart television, mobile terminal or personal digital assistant device etc.
In electronic device, in the development phase of electronic device, it usually needs when being opened by electronic device, detect the core of printed circuit board (PCB)
The signal(l)ing condition of piece pin, to be checked electronic device and carried out wrong investigation.Wherein, oscillography is commonly used in module detection
Device is tested, and problems with can be run into when being tested using oscillograph：
(1) during measuring signal waveform, for convenience of measurement is carried out at the same time to multiple test points, usually need to exist in advance before measuring
Weld conducting wire in test point, when measurement again connects together oscilloprobe and the conducting wire drawn, in this way, can make an operating personnel
One hand hold transducer, operates oscillograph on the other hand, improves work efficiency.However, welding lead is very time-consuming in advance, and the electricity that conducting wire carries
Resistance can affect test result, in addition, single one-handed performance measurable amount is limited, also easily because of probe during test
Test result is influenced with poor wire connection；
(2) when measuring eye pattern, due to needing that two points are measured at the same time, need two people to be carried out at the same time during measurement
Operation, wherein, to ensure that contact is good, another person is responsible for operating oscillograph personal responsibility operation probe.It is double due to needing
Operation, has high labor costs, in addition, when test point and unstable probe contacts, it is difficult to eye pattern is measured, and in order to ensure that contact is good,
Easily because exert oneself it is excessive cause tip damage, increase cost.
It follows that it is both time-consuming and laborious using existing test mode, it is also easy to cause oscillograph to be visited because of misoperation
Head damage, test result are inaccurate.
The content of the invention
It is an object of the invention to provide a kind of oscilloprobe auxiliary test unit, can improve the efficiency of test with it is accurate
Property.
The oscilloprobe auxiliary test unit of the present invention, including detection platform, probe bracket and multiple test arms, the spy
Head bracket is set up in above the detection platform, which is equipped with multiple probe insertions for being used to install oscilloprobe,
The plurality of probe insertion for being used to install oscilloprobe corresponds setting with the plurality of test arm, which can relatively should
Probe bracket is rotated and length adjustment, and the one end of the test arm away from the probe insertion is equipped with corresponding with the probe insertion
Probe, is equipped with connecting wire between the probe insertion and the probe.
Further, the plurality of probe insertion includes differential probe jack and single probe insertion, with the differential probe jack
The test arm being correspondingly arranged is equipped with differential probe, and Single probe is equipped with the test arm that the list probe insertion is correspondingly arranged.
Further, two probes of the differential probe are flexible probe.
Further, which is elastic thimble.
Further, which includes Part I, Part II and Part III, the Part I with the 3rd
Divide the stagger setting on the length direction of the test arm, which, which tilts, connects the Part I and the Part III.
Further, the probe bracket is parallel with the detection platform, and the Part I of the test arm is vertical with Part III
Plane where the detection platform.
Further, which includes the first arm body and the first connector sleeve, and the probe bracket is in the probe insertion
Lower section is equipped with connecting seat, which is threadedly coupled with the connecting seat, which is arranged in first connector sleeve
And can the axis of first connector sleeve rotated for axis, which is connected with the Part II.
Further, the outer wall of the first arm body is equipped with annular groove, the first arm body by the annular groove and this
One connector sleeve be socketed and it is rotatable.
Further, which includes the second arm body, the 3rd arm body and the second connector sleeve, the second arm body with this
Three arm bodies are threadedly coupled and adjustable relative distance with the both ends of second connector sleeve respectively.
Further, which includes the 4th arm body, the 5th arm body and the 3rd connector sleeve, the 4th arm body with this
Five arm bodies are threadedly coupled and adjustable relative distance with the both ends of the 3rd connector sleeve respectively, which is fixed on the 5th arm body
On, the 4th arm body is connected with the Part II.
In the embodiment of the present invention, probe bracket is equipped with the probe insertion for being used for installing oscilloprobe, and passes through survey
Try arm connection probe insertion and corresponding probe, test arm can relative probe stent carry out rotation and length adjustment to adjust probe
Position, so as to ensure that probe comes into full contact with test point, oscilloprobe need to be only inserted into corresponding jack by when use
Tested, it is easy to use, it can save manpower and time, improve the accuracy of test.
Brief description of the drawings
Fig. 1 is the structure diagram of oscilloprobe auxiliary test unit in first embodiment of the invention.
Fig. 2 is the schematic cross-sectional view of test arm in Fig. 1.
Fig. 3 is the structure diagram of oscilloprobe auxiliary test unit in second embodiment of the invention.
Fig. 4 is the schematic cross-sectional view of test arm in Fig. 3.
Fig. 5 is the structure diagram of oscilloprobe auxiliary test unit in third embodiment of the invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Attached drawing and preferred embodiment, to embodiment, structure, feature and its effect of the present invention, describe in detail as after.
Fig. 1 is the structure diagram of oscilloprobe auxiliary test unit in first embodiment of the invention.As shown in Figure 1,
The oscilloprobe auxiliary test unit 10 of the present invention includes probe bracket 11, detection platform 12 and test arm 13, test arm 13
It is equipped with probe 14.
Probe bracket 11 is arranged on the top of detection platform 12, probe bracket by adjustable for height 112 level frame of supporting rod
11 are equipped with multiple probe insertions 111 for being used to install oscilloprobe (not shown), and probe insertion 111 and test arm 13 1
One is correspondingly arranged.In the present embodiment, probe insertion 111 is differential probe jack, can be inserted into the differential probe of oscillograph, is visited
Pin 14 is differential probe corresponding with differential probe jack, and two probes (two parts of differential probe) of differential probe are
Flexible probe, so that the size of adjustable differential probe front end is to ensure the contact with test point.
Test arm 13 between probe bracket 11 and detection platform 12, test arm 13 can relative probe stent 11 revolved
Turn and length adjustment.Specifically, Part I 131, Part II 132 and Part III are included incorporated by reference to Fig. 2, test arm 13
133, plane of the Part I 131 where with 133 vertical detection platform of Part III 12, and on the length direction of test arm 13
Stagger setting, Part II 132 tilt connection Part I 131 and Part III 133.In this embodiment, Part I 131,
Part II 132 and the inside of Part III 133 are interconnected, and two connecting wires 15 connect probe in the inside of test arm 13
Jack 111 and probe 14, in this way, when oscilloprobe is inserted into probe insertion 111, corresponding test can be received by probe 14
The signal of point.
Part I 131 includes the first arm body 131a and the first connector sleeve 131b, and probe bracket 11 is in probe insertion 111
Lower section is equipped with connecting seat 113, and the first connector sleeve 131b is threadedly coupled with connecting seat 113, and the first arm body 131a is arranged in the first company
In female connector 131b, and annular groove 131c and the first connector sleeve 131b by being arranged on the first arm body 131a outer walls are socketed, from
And can be rotated using the axis of the first connector sleeve 131b as axis, the first arm body 131a is connected with Part II 132, makes mechanical arm
13 entirety can relative probe stent 11 rotate.
Part II 132 includes the second arm body 132a, the 3rd arm body 132b and the second connector sleeve 132c, the second arm body 132a
It is threadedly coupled with both ends of the 3rd arm body 132b respectively with the second connector sleeve 132c, is adjusted by the second connector sleeve of turn 132c
Relative distance between second arm body 132a and the 3rd arm body 132b, and then adjust the length of Part II 132, Part II
132 length determines the test scope (radius) of test arm 13, the one end of the second arm body 132a with respect to second connector sleeve 132c and
First arm body 131a connections, the 3rd arm body 132b are connected with respect to one end of the second connector sleeve 132c with Part III 133.
Part III 133 includes the 4th arm body 133a, the 5th arm body 133b and the 3rd connector sleeve 133c, the 4th arm body 133a
It is threadedly coupled with both ends of the 5th arm body 133b respectively with the 3rd connector sleeve 133c, probe 14 is fixed on phase on the 5th arm body 133b
To one end of the 3rd connector sleeve 133c, by the 3rd connector sleeve 133c of turn, the 4th arm body 133a and the 5th arm body are adjusted
Relative distance between 133b, and then adjust the height of probe 14, the one end of the 4th arm body 133a with respect to the 3rd connector sleeve 133c
It is connected with the 3rd arm body 132b.
Next the application method detailed description to the oscilloprobe auxiliary test unit of the present invention is as follows.
First, probe bracket 11 is raised by adjusting the height of supporting rod 112, sample to be tested is put into detection platform 12
Afterwards, then by adjusting the height of supporting rod 112 probe bracket 11, the height of first each probe 14 of successive step sample relatively to be tested are lowered
Degree.Then, according to the position integral-rotation test arm 13 of each test point, after probe 14 is located substantially at the top of test point, then
Turn the second connector sleeve 132c, probe 14 is adjusted to the surface of test point.Finally, according to the size deflectable stylet of test point
14, to adjust the size of 14 front end of probe, then the 3rd connector sleeve 133c of turn, make probe 14 drop to and test point contact.Pass through
The turn of 3rd connector sleeve 133c can make probe 14 apply certain pressure to test point, to ensure between probe 14 and test point
Come into full contact with, treat that each adjustment of probe 14 finishes, oscilloprobe, which is inserted into probe insertion 111, to be tested.
Fig. 3 is the structure diagram of oscilloprobe auxiliary test unit in second embodiment of the invention.As shown in figure 3,
The oscilloprobe auxiliary test unit 20 of the present embodiment and the main distinction of a upper embodiment are, in this embodiment, pop one's head in
Jack 211 is single probe insertion, available for single probe of installation oscillograph, probe 24 be with the corresponding Single probe of single probe,
And the Single probe is elastic thimble, connects by a connecting wire 25 between probe insertion 211 and probe 24 and (please join Fig. 4).
In the present embodiment, probe bracket 21 is arranged in parallel with detection platform 22, test arm 23 and the survey in first embodiment
It is identical to try 13 structure of arm.Specifically, as shown in figure 4, test arm 23 includes Part I 231, Part II 232 and Part III
233, Part I 231 passes through annular groove 231c including the first arm body 231a and the first connector sleeve 231b, the first arm body 231a
With the first connector sleeve 231b socket and it is rotatable, the first connector sleeve 231c is threadedly coupled with the connecting seat 213 on probe bracket 21,
Part II 232 includes the second arm body 232a, the 3rd arm body 232b and the second connector sleeve 232c, the second arm body 232a and the 3rd arm
Both ends of the body 232b respectively with the second connector sleeve 232c are threadedly coupled, and Part III 233 includes the 4th arm body 233a, the 5th arm body
233b and the 3rd connector sleeve 233c, the 4th arm body 233a and the 3rd arm body 233b the both ends screw thread with the second connector sleeve 233c respectively
Connection.
The application method of the oscilloprobe auxiliary test unit 20 of the present embodiment is identical with a upper embodiment, herein no longer
Repeat.In the present embodiment, probe 24 is elastic thimble, can be deformed probe 24 by the 3rd connector sleeve 233c of turn,
To ensure coming into full contact between probe 24 and test point, test result is relatively reliable.Further, since multiple test arms 23 can be same
The signal testing of Shi Jinhang multiple spots, therefore without the welding lead in test point in advance, it is more convenient to use.
Fig. 5 is the structure diagram of oscilloprobe auxiliary test unit in third embodiment of the invention.As shown in figure 5,
The oscilloprobe auxiliary test unit 30 and the main distinction of above-described embodiment of the present embodiment are, in the present embodiment, visit
Probe insertion on head bracket 31 includes differential probe jack 311 and single probe insertion 315, can be respectively used to installation oscillograph
Differential probe is popped one's head in single, and test arm 33 corresponding with differential probe jack 311 is equipped with differential probe 34, with single probe insertion
315 corresponding test arms 33 are equipped with Single probe 36.
In the present embodiment, probe bracket 31 is arranged in parallel with detection platform 32, test arm 33 be located at probe bracket 31 with
, can test signal waveform at the same time by configuring differential probe jack 311 and single probe insertion 315 at the same time between detection platform 32
With eye pattern, testing efficiency is improved.The application method of the oscilloprobe auxiliary test unit 20 of the present embodiment and a upper embodiment
Identical, details are not described herein.
To sum up, oscilloprobe auxiliary test unit of the invention at least has the advantages that：
(1) present invention is equipped with probe insertion corresponding with oscilloprobe, and connects probe insertion with visiting by test arm
Pin, test arm can relative probe stent carry out rotation and adjust the position of probe with length adjustment, ensure that probe is filled with test point
Tap is touched, and will can need to only be tested in the corresponding jack of oscilloprobe insertion during use, easy to use, can be carried out at the same time more
Point test, saves manpower and time, improves the accuracy of test；
(2) probe of the invention is flexible or elastic deformation, can be further ensured that coming into full contact with for probe and test point, keep away
Exempting from manual operation causes tissue damage；
(3) without advance welding lead when carrying out signal testing using the oscilloprobe auxiliary test unit of the present invention,
Work efficiency can be improved, the accuracy for avoiding the Resistance Influence of conducting wire itself from testing.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
- A kind of 1. oscilloprobe auxiliary test unit, it is characterised in that：Including detection platform, probe bracket and multiple tests Arm, the probe bracket are set up in above the detection platform, which is equipped with multiple spies for being used to install oscilloprobe Head jack, the plurality of probe insertion for being used to install oscilloprobe correspond setting, the test arm with the plurality of test arm It can be rotated relative to the probe bracket and length adjustment, the one end of the test arm away from the probe insertion are equipped with and are inserted with the probe The corresponding probe in hole, is equipped with connecting wire between the probe insertion and the probe.
- 2. oscilloprobe auxiliary test unit as claimed in claim 1, it is characterised in that：It is poor that the plurality of probe insertion includes Sub-probe jack and single probe insertion, differential probe is equipped with the test arm that the differential probe jack is correspondingly arranged, and is singly visited with this The test arm that head jack is correspondingly arranged is equipped with Single probe.
- 3. oscilloprobe auxiliary test unit as claimed in claim 2, it is characterised in that：Two probes of the differential probe For flexible probe.
- 4. oscilloprobe auxiliary test unit as claimed in claim 2, it is characterised in that：The Single probe is elastic thimble.
- 5. oscilloprobe auxiliary test unit as claimed in claim 1, it is characterised in that：The test arm includes first Point, Part II and Part III, the Part I and Part III stagger setting on the length direction of the test arm should Part II, which tilts, connects the Part I and the Part III.
- 6. oscilloprobe auxiliary test unit as claimed in claim 5, it is characterised in that：The probe bracket is put down with the detection Platform is parallel, the plane where Part I detection platform vertical with Part III of the test arm.
- 7. oscilloprobe auxiliary test unit as claimed in claim 5, it is characterised in that：The Part I includes the first arm Body and the first connector sleeve, the probe bracket are equipped with connecting seat in the lower section of the probe insertion, first connector sleeve and the connecting seat Be threadedly coupled, the first arm body be arranged in first connector sleeve and can the axis of first connector sleeve rotated for axis, The first arm body is connected with the Part II.
- 8. oscilloprobe auxiliary test unit as claimed in claim 7, it is characterised in that：The outer wall of the first arm body is equipped with Annular groove, the first arm body are socketed and rotatable by the annular groove and first connector sleeve.
- 9. oscilloprobe auxiliary test unit as claimed in claim 5, it is characterised in that：The Part II includes the second arm Body, the 3rd arm body and the second connector sleeve, the second arm body connect with both ends screw thread of the 3rd arm body respectively with second connector sleeve Connect and adjustable relative distance.
- 10. oscilloprobe auxiliary test unit as claimed in claim 5, it is characterised in that：The Part III includes the 4th Arm body, the 5th arm body and the 3rd connector sleeve, the 4th arm body and the 5th arm body the both ends screw thread with the 3rd connector sleeve respectively Connect and adjustable relative distance, which is fixed on the 5th arm body, and the 4th arm body is connected with the Part II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670960.3A CN105388336B (en) | 2015-10-16 | 2015-10-16 | Oscilloprobe auxiliary test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670960.3A CN105388336B (en) | 2015-10-16 | 2015-10-16 | Oscilloprobe auxiliary test unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105388336A CN105388336A (en) | 2016-03-09 |
| CN105388336B true CN105388336B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510670960.3A Active CN105388336B (en) | 2015-10-16 | 2015-10-16 | Oscilloprobe auxiliary test unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN105388336B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6832661B2 (en) * | 2016-09-28 | 2021-02-24 | 株式会社日本マイクロニクス | Probe card and contact inspection device |
| CN107525951A (en) * | 2017-07-24 | 2017-12-29 | 武汉华星光电技术有限公司 | Oscilloprobe support |
| CN107748278A (en) * | 2017-09-22 | 2018-03-02 | 安徽皖通邮电股份有限公司 | A kind of oscillograph control head auxiliary test unit |
| EP3918349A1 (en) * | 2018-09-11 | 2021-12-08 | Magicmotorsport Srl | Probe for tools for carrying out tests on electrical and/or electronic circuits and assembly comprising the probe |
| PL3891516T3 (en) * | 2018-09-11 | 2024-11-18 | Magicmotorsport Srl | Tool and assembly for carrying out tests on electrical and/or electronic circuits |
| CN109521232B (en) * | 2018-11-20 | 2023-09-19 | 闻泰通讯股份有限公司 | Auxiliary test device for oscilloscope probe |
| CN110187154B (en) * | 2019-05-13 | 2024-03-19 | 沈阳兴华航空电器有限责任公司 | Connection tool and connection method for electrical property test of electrical box |
| CN111060772B (en) * | 2019-12-31 | 2022-11-11 | 瑞斯康达科技发展股份有限公司 | Test system and test method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460868A (en) * | 1981-11-16 | 1984-07-17 | Rca Corporation | Fixture for testing semiconductor devices |
| US7025628B2 (en) * | 2003-08-13 | 2006-04-11 | Agilent Technologies, Inc. | Electronic probe extender |
| US8134377B1 (en) * | 2005-08-31 | 2012-03-13 | Lecroy Corporation | Adherable holder and locater tool |
| JP4721061B2 (en) * | 2006-07-19 | 2011-07-13 | 横河電機株式会社 | Measuring probe stand |
| US7414411B2 (en) * | 2006-08-23 | 2008-08-19 | Tektronix, Inc. | Signal analysis system and calibration method for multiple signal probes |
| CN200953045Y (en) * | 2006-10-13 | 2007-09-26 | 环达电脑(上海)有限公司 | Oscilloprobe calibrating fitting |
| US20100073018A1 (en) * | 2008-09-23 | 2010-03-25 | Tektronix, Inc. | Adjustable probe head |
| CN101907644B (en) * | 2009-06-04 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Electronic probe control system |
| CN102539847A (en) * | 2010-12-21 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Probe fixing device |
| TW201307852A (en) * | 2011-08-08 | 2013-02-16 | Hon Hai Prec Ind Co Ltd | Probes |
| DE102012205352B4 (en) * | 2012-02-24 | 2022-12-08 | Rohde & Schwarz GmbH & Co. Kommanditgesellschaft | Adapter for a probe to measure a differential signal |
| CN103091521B (en) * | 2013-01-08 | 2015-07-15 | 上海交通大学 | Method of probe and lead foot automatic aiming and probe station testing system thereof |
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2015
- 2015-10-16 CN CN201510670960.3A patent/CN105388336B/en active Active
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| CN105388336A (en) | 2016-03-09 |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
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