CN209311540U - It is a kind of that stable TDR probe is installed - Google Patents
It is a kind of that stable TDR probe is installed Download PDFInfo
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- CN209311540U CN209311540U CN201822084141.2U CN201822084141U CN209311540U CN 209311540 U CN209311540 U CN 209311540U CN 201822084141 U CN201822084141 U CN 201822084141U CN 209311540 U CN209311540 U CN 209311540U
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- 239000000523 sample Substances 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002847 impedance measurement Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000451 tissue damage Effects 0.000 description 2
- 231100000827 tissue damage Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
Stable TDR probe is installed the utility model discloses a kind of, it pops one's head in including difference TDR, one end of the difference TDR probe is arranged symmetrically, and there are two probes, the end surface of the difference TDR probe is connected with back-shaped shield, and two probes are in the inside of back-shaped shield, back-shaped retraction slot is offered inside one end of the difference TDR probe, and the bottom end of the back-shaped shield is in the inside of back-shaped retraction slot, the both side surface of the difference TDR probe is symmetrically arranged with the rectangular block of integral type；By the way that back-shaped shield is arranged in the external of probe; so that the available sufficient protection of probe; it avoids the problem that colliding in difference TDR probe carrying process middle probe and external items and generates damage; and the both side surface by popping one's head in difference TDR opens up arc-shaped recess; the inside of arc-shaped recess can be placed a digit into use; and increasing friction force under the action of anti-skidding raised line, to avoid the problem that difference TDR probe slides from operator's hand.
Description
Technical field
The utility model belongs to TDR detection technique field, and in particular to a kind of to install stable TDR probe.
Background technique
Traditional TDR is to test PCB, and the common tool such as Connector, Cable, main Impedance measurement parameter is led to
It crosses using Digital Signal Processing modes such as FFT, S parameter can also be tested, further do some software operations etc., it is true using one
The TDR equipment of difference, the convenience of virtual ground may be implemented using differential signal, cooperate difference TDR probe adjustable in pitch can
Easily to realize to the characteristic impedance measurement of true differential cabling in pcb board, high-speed PCB personnel and PCB producer is enabled to exist
Carry out obtaining high testing efficiency and accurate test result when PCB test, and difference TDR probe be wherein key component it
One.
Existing difference TDR pops one's head in when in use, since probe is completely exposed outside, without any safeguard measure, so that
Difference TDR pops one's head in carrying process, and probe is likely to the problem of colliding with external items, causing tissue damage, simultaneously
Since difference TDR detecting head surface is excessively smooth, when so that the hand-held difference TDR probe of operator carrying out detection operation, difference TDR
Probe is likely to slide from operator's hand, brings inconvenience, thus it is proposed that a kind of install stable TDR probe.
Utility model content
Stable TDR probe is installed the purpose of this utility model is to provide a kind of, to solve to mention in above-mentioned background technique
Existing difference TDR out pops one's head in when in use, since probe is completely exposed outside, without any safeguard measure, so that difference
TDR pops one's head in carrying process, and probe is likely to the problem of colliding with external items, causing tissue damage, simultaneously because
Difference TDR detecting head surface is excessively smooth, when so that the hand-held difference TDR probe of operator carrying out detection operation, difference TDR probe
It is likely to slide from operator's hand, bring inconvenience problem.
To achieve the above object, the utility model provides the following technical solutions: it is a kind of that stable TDR probe is installed, including
Difference TDR probe, one end of the difference TDR probe is arranged symmetrically, and there are two probe, the end surfaces of the difference TDR probe
It is connected with back-shaped shield, and two probes are in the inside of back-shaped shield, offer inside one end of the difference TDR probe
Back-shaped retraction slot, and the bottom end of the back-shaped shield is in the inside of back-shaped retraction slot, the both side surface of the difference TDR probe
It is symmetrically arranged with the rectangular block of integral type, and the inside of rectangular block offers sliding slot, the bottom end two sides of the back-shaped shield are symmetrically set
It is equipped with the sliding block of integral type, and the top of the sliding block is in the inside of sliding slot, the bottom of the sliding slot offers and back-shaped receipts
The slideway that contracting slot communicates, and slipway location is corresponding with sliding block.
Preferably, line joint there are two the other end that the difference TDR pops one's head in is arranged symmetrically, and the end of line joint
It is connected with extraneous plug, the line joint is internally provided with extruding spring, and the end for squeezing spring is connected with follow block, institute
The inside that follow block is in line joint is stated, the line joint is internally provided with connection stitch, and squeezes spring and be looped around company
The surrounding of stitch is connect, and is not bonded mutually with stitch is connect, the inner end portion of external world's plug is symmetrically arranged with second spring room,
And the side of second spring room is connected with triangle card, the end of external world's plug can pass through the inside quilt of insertion line joint
Triangle card engaging.
Preferably, the sliding block is internally provided with the first spring housing, and the side of the first spring housing is connected with circular card
Block, the outer surface of the rectangular block open up that there are two the round holes that communicate with sliding slot, and difference is stated on the top of the round fixture block
The both side surface of TDR probe offers arc-shaped recess, and the inner wall of arc-shaped recess is evenly arranged with end and penetrates through one of them
Round hole, and it is in the outer surface of rectangular block.
Preferably, the anti-skidding raised line of institute, the arc-shaped recess are in the side of rectangular block.
Preferably, the internal symmetry of the line joint is opened up there are two the rectangular opening communicated with line joint outer surface,
And rectangle hole site is corresponding with triangle card.
Preferably, the end of the extraneous plug offers connection needle tray, and connect the position of needle tray with connect stitch phase
It is corresponding.
Preferably, one end of the back-shaped retraction slot extends to the outer surface of difference TDR probe, the slideway
One end equally extends to the outer surface of difference TDR probe.
Compared with prior art, the utility model has the beneficial effects that
1, by the way that back-shaped shield is arranged in the external of probe, so that the available sufficient protection of probe, avoids in difference
TDR probe carrying process middle probe and external items collide and lead to the problem of damage, and two by popping one's head in difference TDR
Side surface opens up arc-shaped recess, can place a digit into the inside of arc-shaped recess in use, and in the effect of anti-skidding raised line
Lower increasing friction force, to avoid the problem that difference TDR probe slides from operator's hand, so that difference TDR probe is more
Convenient for taking.
2, when extraneous plug needs to be installed together with line joint, only route need to be inserted into the end of extraneous plug and connects
The inside of head, and fixed by triangle card, it is connected through a screw thread compared to original device, it is more quick convenient, while but also
Installation between extraneous plug and line joint is more stable, and original device is avoided to lead to extraneous plug and route due to thread looseness
The problem of being separated between connector.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the side structure schematic view of the utility model；
Fig. 4 is that schematic cross-sectional view is overlooked in the back-shaped shield of the utility model and difference TDR probe connection；
Fig. 5 is that the line joint of the utility model embodiment 2 connect vertical view schematic cross-sectional view with extraneous plug；
In figure: 1, difference TDR pops one's head in；2, triangle card；3, extraneous plug；4, line joint；5, anti-skidding raised line；6, round
Hole；7, rectangular block；8, round fixture block；9, back-shaped shield；10, arc-shaped recess；11, sliding block；12, probe；13, sliding slot；14, back-shaped
Retraction slot；15, the first spring housing；16, follow block；17, stitch is connected；18, needle tray is connected；19, second spring room；20, bullet is squeezed
Spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
The utility model provides a kind of technical solution referring to FIG. 1 to FIG. 4: it is a kind of that stable TDR probe is installed, including
Difference TDR probe 1, one end of difference TDR probe 1 are symmetrical arranged there are two probe 12, and the end surface of difference TDR probe 1 connects
It is connected to back-shaped shield 9, and two probes 12 are in the inside of back-shaped shield 9, by the way that back-shaped shield 9 is arranged, so that probe 12
It can be adequately protected by back-shaped shield 9,1 carrying process middle probe 12 of difference TDR probe and external items is avoided to collide production
It gives birth to the problem of damaging, offers back-shaped retraction slot 14 inside one end of difference TDR probe 1, and the bottom end of back-shaped shield 9 is in back
The both side surface of the inside of shape retraction slot 14, difference TDR probe 1 is symmetrically arranged with the rectangular block 7 of integral type, and rectangular block 7 is interior
Portion offers sliding slot 13, and the bottom end two sides of back-shaped shield 9 are symmetrically arranged with the sliding block 11 of integral type, and the top of sliding block 11 is in
The inside of sliding slot 13, the bottom of sliding slot 13 offer the slideway communicated with back-shaped retraction slot 14, and slipway location and 11 phase of sliding block
It is corresponding, allow back-shaped shield 9 toward back-shaped 14 internal contraction of retraction slot, consequently facilitating probe 12 is exposed to outer examine
It surveys, again pulls out back-shaped shield 9 after subsequent detection.
In the present embodiment, it is preferred that sliding block 11 is internally provided with the first spring housing 15, and the side of the first spring housing 15
It is connected with round fixture block 8 by spring, the outer surface of rectangular block 7 is opened up there are two the round hole 6 communicated with sliding slot 13, and round
The top of shape fixture block 8 penetrates through one of round hole 6, and is in the outer surface of rectangular block 7, by the way that round fixture block 8 is arranged,
So that available fixation when pulling out or shrinking of back-shaped shield 9.
In the present embodiment, it is preferred that the both side surface of difference TDR probe 1 offers arc-shaped recess 10, and arc-shaped recess
10 inner wall is evenly arranged with anti-skidding raised line 5, and arc-shaped recess 10 is in the side of rectangular block 7, so that operator needs to hold
When difference TDR probe 1 carries out detection operation, the inside of arc-shaped recess 10 can be placed a digit into, and is prevented inside arc-shaped recess 10
Increasing friction force under the action of sliding raised line 5, to avoid the problem that difference TDR probe 1 slides from operator's hand, so that poor
TDR probe 1 is divided to easily facilitate taking.
In the present embodiment, it is preferred that one end of back-shaped retraction slot 14 extends to the outer surface of difference TDR probe 1,
One end of slideway equally extends to the outer surface of difference TDR probe 1, allows back-shaped shield 9 directly from back-shaped retraction slot
14 one end pulls out and is replaced.
Embodiment 2
Fig. 1 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: it is a kind of that stable TDR probe is installed, including
Difference TDR probe 1, one end of difference TDR probe 1 are symmetrical arranged there are two probe 12, and the end surface of difference TDR probe 1 connects
It is connected to back-shaped shield 9, and two probes 12 are in the inside of back-shaped shield 9, by the way that back-shaped shield 9 is arranged, so that probe 12
It can be adequately protected by back-shaped shield 9,1 carrying process middle probe 12 of difference TDR probe and external items is avoided to collide production
It gives birth to the problem of damaging, offers back-shaped retraction slot 14 inside one end of difference TDR probe 1, and the bottom end of back-shaped shield 9 is in back
The both side surface of the inside of shape retraction slot 14, difference TDR probe 1 is symmetrically arranged with the rectangular block 7 of integral type, and rectangular block 7 is interior
Portion offers sliding slot 13, and the bottom end two sides of back-shaped shield 9 are symmetrically arranged with the sliding block 11 of integral type, and the top of sliding block 11 is in
The inside of sliding slot 13, the bottom of sliding slot 13 offer the slideway communicated with back-shaped retraction slot 14, and slipway location and 11 phase of sliding block
It is corresponding, allow back-shaped shield 9 toward back-shaped 14 internal contraction of retraction slot, consequently facilitating probe 12 is exposed to outer examine
It surveys, again pulls out back-shaped shield 9 after subsequent detection.
In the present embodiment, it is preferred that line joint 4 there are two the other end of difference TDR probe 1 is arranged symmetrically, and route
There is extraneous plug 3 in the end of connector 4 by being connected together, and being internally provided with for line joint 4 squeezes spring 20, and squeezes spring
20 end is connected with follow block 16 by spring, and follow block 16 is in the inside of line joint 4, and line joint 4 is internally provided with
Stitch 17 is connected, and squeezes the surrounding that spring 20 is looped around connection stitch 17, and be not bonded mutually with stitch 17 is connect, so that squeezing
Spring 20 will not be expressed to connection stitch 17 when stretching, the inner end portion of extraneous plug 3 is symmetrically arranged with second spring room 19, and
The side of second spring room 19 is connected with triangle card 2 by spring, and the end of extraneous plug 3 can be by being inserted into line joint 4
Inside engaged by triangle card 2, be connected through a screw thread compared to original device, it is more quick convenient, while but also extraneous plug 3
Installation between line joint 4 is more stable, and original device is avoided to lead to extraneous plug 3 and line joint 4 due to thread looseness
Between the problem of separating.
In the present embodiment, it is preferred that sliding block 11 is internally provided with the first spring housing 15, and the side of the first spring housing 15
It is connected with round fixture block 8 by spring, the outer surface of rectangular block 7 is opened up there are two the round hole 6 communicated with sliding slot 13, and round
The top of shape fixture block 8 penetrates through one of round hole 6, and is in the outer surface of rectangular block 7, by the way that round fixture block 8 is arranged,
So that available fixation when pulling out or shrinking of back-shaped shield 9.
In the present embodiment, it is preferred that the both side surface of difference TDR probe 1 offers arc-shaped recess 10, and arc-shaped recess
10 inner wall is evenly arranged with anti-skidding raised line 5, and arc-shaped recess 10 is in the side of rectangular block 7, so that operator needs to hold
When difference TDR probe 1 carries out detection operation, the inside of arc-shaped recess 10 can be placed a digit into, and is prevented inside arc-shaped recess 10
Increasing friction force under the action of sliding raised line 5, to avoid the problem that difference TDR probe 1 slides from operator's hand, so that poor
TDR probe 1 is divided to easily facilitate taking.
In the present embodiment, it is preferred that the internal symmetry of line joint 4 is opened up there are two communicating with 4 outer surface of line joint
Rectangular opening, and rectangle hole site is corresponding with triangle card 2, and triangle card 2 is smoothly popped up to line joint 4
Outer surface.
In the present embodiment, it is preferred that the end of extraneous plug 3 offers connection needle tray 18, and connects the position of needle tray 18
It is corresponding with connection stitch 17.
In the present embodiment, it is preferred that one end of back-shaped retraction slot 14 extends to the outer surface of difference TDR probe 1,
One end of slideway equally extends to the outer surface of difference TDR probe 1, allows back-shaped shield 9 directly from back-shaped retraction slot
14 one end pulls out and is replaced.
The working principle and process for using of the utility model: difference TDR probe 1 when in use, first by line joint 4 with
Extraneous plug 3 is fixedly connected, and then holds difference TDR probe 1 for probe 12 in the migration of pcb board surface, thus to true in pcb board
The characteristic impedance of real difference cabling measures, and data are then passed through extraneous plug 3 and are transmitted to external device, and working as needs
When adjusting the distance between two probes 12, it can be adjusted by stirring the adjustment gear on 1 surface of difference TDR probe；
By being provided with back-shaped shield 9 in the outside of probe 12, probe 12 is adequately protected by back-shaped shield 9,
Avoid the problem that 1 carrying process middle probe 12 of difference TDR probe and external items collide generation damage, and when need using
When probe 12 measures, only back-shaped shield 9 need to be exerted oneself to be pushed into toward the inside of back-shaped retraction slot 14, so that sliding block 11 is toward sliding slot
13 bottom end sliding, and circle fixture block 8 can be squeezed into inside the first spring housing 15 when sliding, when sliding block 11 slides into sliding slot 13
Behind bottom end, round fixture block 8 can coincide with round hole 6, and pop up under the action of the first 15 contained spring of spring housing to rectangle
The outer surface of block 7, so that back-shaped shield 9 is fixed with sliding block 11, and it is outer that probe 12 is exposed to, consequently facilitating with visiting
Needle 12 is detected, and after detection, can again be pulled back-shaped shield 9 outward, so that sliding block 11 is toward the top of sliding slot 13
It is mobile, and round fixture block 8 can be squeezed into again inside the first spring housing 15, and when the circle of round fixture block 8 and 13 top of sliding slot
When hole 6 is overlapped, round fixture block 8 can be popped up under the action of the first 15 contained spring of spring housing to the outer surface of rectangular block 7, be made
It obtains back-shaped shield 9 to be fixed again with sliding block 11, be protected to continue to shroud up probe 12, and by difference
The both side surface of TDR probe 1 opens up arc-shaped recess 10, so that operator needs to hold difference TDR probe 1 and carries out detection operation
When, the inside of arc-shaped recess 10 can be placed a digit into, and increase friction under the action of 10 non-slip interior raised line 5 of arc-shaped recess
Power, to avoid the problem that difference TDR probe 1 slides from operator's hand, so that difference TDR probe 1 easily facilitates taking；
When extraneous plug 3 needs to be installed together with line joint 4, only route need to be inserted into the end of extraneous plug 3
The inside of connector 4, triangle card 2 can be squeezed into inside second spring room 19 when insertion, allow the end of extraneous plug 3 suitable
The inside of benefit insertion line joint 4, while follow block 16 can be pushed into inward, when the rectangle of triangle card 2 and 4 surface of line joint
When hole is overlapped, triangle card 2 can be popped up under the action of 19 contained spring of second spring room to the outer surface of line joint 4,
And connection stitch 17 is in the inside of connection needle tray 18 at this time, and mutually agrees with needle tray 18 is connect, and due to squeezing spring 20
A thrust is applied to follow block 16 always, so that follow block 16 also applies a thrust to extraneous plug 3 always, but due to triangle card
The position-limiting action of block 2, so that the end of extraneous plug 3 is firmly fixed on the inside of line joint 4, and will not be because of difference
The frequent shaking generation of TDR probe 1 falls off, and when subsequent needs disconnect extraneous plug 3 with line joint 4, need to only press triangle card
Block 2, in the limit of no triangle card 2, follow block 16 can push outward the end of extraneous plug 3, at this time again will be outer
Boundary's plug 3 is directly extracted out, is connected through a screw thread compared to original device, more quick convenient, while but also extraneous plug 3 with
Installation between line joint 4 is more stable, avoid original device due to thread looseness cause extraneous plug 3 and line joint 4 it
Between the problem of separating.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of install stable TDR probe, including difference TDR probe (1), it is characterised in that: the difference TDR pops one's head in (1)
One end be symmetrical arranged there are two probe (12), the end surface of the difference TDR probe (1) is connected with back-shaped shield (9), and
Two probes (12) are in the inside of back-shaped shield (9), offer back-shaped receipts inside one end of the difference TDR probe (1)
Contracting slot (14), and the bottom end of the back-shaped shield (9) is in the inside of back-shaped retraction slot (14), the difference TDR probe (1)
Both side surface is symmetrically arranged with the rectangular block (7) of integral type, and the inside of rectangular block (7) offers sliding slot (13), the back-shaped shield
The bottom end two sides of cover (9) are symmetrically arranged with the sliding block (11) of integral type, and the top of the sliding block (11) is in sliding slot (13)
Inside, the bottom of the sliding slot (13) offer the slideway communicated with back-shaped retraction slot (14), and slipway location and sliding block (11)
It is corresponding.
A kind of stable TDR probe is installed 2. according to claim 1, it is characterised in that: the difference TDR pops one's head in (1)
The other end be symmetrical arranged there are two line joint (4), and the end of line joint (4) is connected with extraneous plug (3), the line
Being internally provided with for pipeline connector (4) squeezes spring (20), and the end for squeezing spring (20) is connected with follow block (16), the follow block
(16) it is in the inside of line joint (4), the line joint (4) is internally provided with connection stitch (17), and squeezes spring
(20) it is looped around the surrounding of connection stitch (17), and is not bonded mutually with stitch (17) is connect, in the end of external world's plug (3)
Portion is symmetrically arranged with second spring room (19), and the side of second spring room (19) is connected with triangle card (2), described extraneous slotting
The end of head (3) can be engaged by being inserted into the inside of line joint (4) by triangle card (2).
A kind of stable TDR probe is installed 3. according to claim 1, it is characterised in that: the inside of the sliding block (11)
It is provided with the first spring housing (15), and the side of the first spring housing (15) is connected with round fixture block (8), the rectangular block (7)
Outer surface opens up that there are two the round holes (6) that communicate with sliding slot (13), and the top of the round fixture block (8) penetrates through wherein
One round hole (6), and it is in the outer surface of rectangular block (7).
A kind of stable TDR probe is installed 4. according to claim 1, it is characterised in that: the difference TDR pops one's head in (1)
Both side surface offer arc-shaped recess (10), and the inner wall of arc-shaped recess (10) is evenly arranged with anti-skidding raised line (5), described
Arc-shaped recess (10) is in the side of rectangular block (7).
A kind of stable TDR probe is installed 5. according to claim 2, it is characterised in that: the line joint (4) it is interior
Portion symmetrically opens up that there are two the rectangular openings that communicate with line joint (4) outer surface, and rectangle hole site and triangle card (2) are opposite
It answers.
A kind of stable TDR probe is installed 6. according to claim 2, it is characterised in that: the end of external world's plug (3)
Portion offers connection needle tray (18), and the position for connecting needle tray (18) is corresponding with connection stitch (17).
A kind of stable TDR probe is installed 7. according to claim 1, it is characterised in that: the back-shaped retraction slot (14)
One end extend to difference TDR probe (1) outer surface, one end of the slideway equally extend to difference TDR probe
(1) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822084141.2U CN209311540U (en) | 2018-12-12 | 2018-12-12 | It is a kind of that stable TDR probe is installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822084141.2U CN209311540U (en) | 2018-12-12 | 2018-12-12 | It is a kind of that stable TDR probe is installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311540U true CN209311540U (en) | 2019-08-27 |
Family
ID=67676520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822084141.2U Expired - Fee Related CN209311540U (en) | 2018-12-12 | 2018-12-12 | It is a kind of that stable TDR probe is installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209311540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856183A (en) * | 2020-07-21 | 2020-10-30 | 宿州学院 | Detection apparatus for electrical automation equipment |
| CN115015603A (en) * | 2022-05-20 | 2022-09-06 | 迪赛康科技(深圳)有限公司 | Bandwidth 40G interval adjustable differential probe |
-
2018
- 2018-12-12 CN CN201822084141.2U patent/CN209311540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856183A (en) * | 2020-07-21 | 2020-10-30 | 宿州学院 | Detection apparatus for electrical automation equipment |
| CN111856183B (en) * | 2020-07-21 | 2023-04-21 | 宿州学院 | Detection device of electric automation equipment |
| CN115015603A (en) * | 2022-05-20 | 2022-09-06 | 迪赛康科技(深圳)有限公司 | Bandwidth 40G interval adjustable differential probe |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |