CN204229008U - A kind of tail optical fiber and detecting device thereof - Google Patents
A kind of tail optical fiber and detecting device thereof Download PDFInfo
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- CN204229008U CN204229008U CN201420762309.XU CN201420762309U CN204229008U CN 204229008 U CN204229008 U CN 204229008U CN 201420762309 U CN201420762309 U CN 201420762309U CN 204229008 U CN204229008 U CN 204229008U
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- optical fiber
- indicating device
- shell fragment
- tail optical
- wire
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 127
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000012634 fragment Substances 0.000 claims description 53
- 239000004760 aramid Substances 0.000 claims description 12
- 229920003235 aromatic polyamide Polymers 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
This application discloses a kind of tail optical fiber and detecting device thereof, described tail optical fiber comprises: the optical fiber being provided with protective seam; Be arranged on first connection indication device of described optical fiber one end, comprise: the first connector and the first indicating device; Be arranged on the second connection indication device of the described optical fiber other end, comprise: the second connector and the second indicating device; Be arranged on the wire in described protective seam; Wherein, described first connection indication device is provided with the first input electrode for powering for described second indicating device, and described first input electrode is that described second indicating device is powered by described wire; Described second connection indication device is provided with the second input electrode for powering for described first indicating device, and described second input electrode is that described first indicating device is powered by described wire.The indicating device that it is the other end that described tail optical fiber only needs by the input electrode of one end is powered, and can be detected the two ends identifying tail optical fiber to be detected by the identification signal of described indicating device.
Description
Technical field
The utility model relates to optical communication equipment technical field, in particular, relates to a kind of tail optical fiber and detecting device thereof.
Background technology
Along with the continuous progress of science and technology, optical communication has been widely used and has developed, and the application of optical fiber in various communication network is more and more extensive especially.In the epoch that current high speed information is propagated, various terminal device all needs optical fiber to carry out Information Communication.Therefore, the use as the tail optical fiber of connecting fiber and fiber optical transceiver is also more and more extensive.
With reference to the structural representation that figure 1 and Fig. 2, Fig. 1 are a kind of common tail optical fiber in prior art, Fig. 2 is for tail optical fiber shown in Fig. 1 is at the sectional drawing in PP ' direction.From Fig. 1 and Fig. 2, existing tail optical fiber comprises: have the optical fiber 11 of protective seam 12 and be arranged on the connector 13 at described optical fiber 11 two ends.Wherein, described protective seam 12 comprises: the inner sheath 121 surrounding described optical fiber 11, surrounds the aramid yarn 122 of described inner sheath 121 and surrounds the oversheath 123 of described aramid yarn 122.
Along with the increase day by day of optical communication network function, the optical fiber number that the fibre distribution frame of optical communication system is arranged gets more and more, and the tail optical fiber of corresponding setting also gets more and more.When carrying out identification to a large amount of tail optical fiber, although may be used for distinguishing the two ends of the tail optical fiber finding same optical fiber by means such as standardized numbering or labels, identification inefficiency, and easily there is mistake.
Utility model content
For solving the problem, technical solutions of the utility model provide a kind of tail optical fiber and detecting device thereof, and described technical scheme can find the two ends of the tail optical fiber of same optical fiber fast, and identification speed is fast, and not easily makes mistakes.
For achieving the above object, utility model provides a kind of tail optical fiber, and this tail optical fiber comprises:
Be provided with the optical fiber of protective seam;
Be arranged on first connection indication device of described optical fiber one end, comprise: the first connector and the first indicating device;
Be arranged on the second connection indication device of the described optical fiber other end, comprise: the second connector and the second indicating device;
Be arranged on the wire in described protective seam;
Wherein, described first connection indication device is provided with the first input electrode for powering for described second indicating device, and described first input electrode is that described second indicating device is powered by described wire; Described second connection indication device is provided with the second input electrode for powering for described first indicating device, and described second input electrode is that described first indicating device is powered by described wire.
Preferably, in above-mentioned tail optical fiber, described wire comprises:
First wire and the second wire;
Wherein, described first wire and described second wire insulation.
Preferably, in above-mentioned tail optical fiber, described first input electrode comprises: the first shell fragment and the second shell fragment;
Wherein, one end of described first shell fragment is fixedly connected with described first wire, and the other end is connected by elastic force with an input end of described first indicating device; One end of described second shell fragment is fixedly connected with described second wire, and the other end is connected by elastic force with another input end of described first indicating device.
Preferably, in above-mentioned tail optical fiber, described second input electrode comprises: the 3rd shell fragment and the 4th shell fragment;
Wherein, one end of described 3rd shell fragment is fixedly connected with described first wire, and the other end is connected by elastic force with an input end of described second indicating device; One end of described 4th shell fragment is fixedly connected with described second wire, and the other end is connected by elastic force with another input end of described second indicating device.
Preferably, in above-mentioned tail optical fiber, described protective seam comprises:
Surround the inner sheath of described optical fiber;
Surround the aramid yarn of described inner sheath;
Surround the oversheath of described aramid yarn.
Preferably, in above-mentioned tail optical fiber, described wire is arranged in described aramid yarn.
Preferably, in above-mentioned tail optical fiber, described first indicating device is any one in sound-producing device, light-emitting device and acousto-optic device;
Described second indicating device is any one in sound-producing device, light-emitting device and acousto-optic device.
Preferably, in above-mentioned tail optical fiber, described first indicating device and described second indicating device are provided with shell;
Wherein, the position that the shell of described first indicating device is corresponding with described first input electrode is provided with the first input electrode and powers window; The position that the shell of described second indicating device is corresponding with described second input electrode is provided with the second input electrode and powers window.
Preferably, in above-mentioned tail optical fiber, also comprise:
Be arranged on the first battery between described first shell fragment and described second shell fragment, described first shell fragment is separated with described first indicating device under external force with described second shell fragment, and be electrically connected with described first battery, be that described second indicating device is powered by described first battery.
Preferably, in above-mentioned tail optical fiber, also comprise:
Be arranged on the second battery between described 3rd shell fragment and described 4th shell fragment, described 3rd shell fragment is separated with described second indicating device under external force with described 4th shell fragment, and be electrically connected with described second battery, be that described first indicating device is powered by described second battery.
The utility model provides a kind of detecting device, for the above-mentioned tail optical fiber not arranging battery, it is characterized in that, comprising:
Elastic body;
Two contact flat springs be connected with described elastic structure;
Be arranged on the battery of described elastic body inside;
Wherein, during described elastic body generation compressional deformation, the Electrode connection of described contact flat spring and described battery, for powering for described first input electrode or the second input electrode.
Preferably, in above-mentioned detecting device, also comprise:
The operating side be connected with described elastic body, there is described compressional deformation for controlling described elastic body in described operating side.
Known by foregoing description, described in the application, tail optical fiber comprises: the optical fiber being provided with protective seam; Be arranged on first connection indication device of described optical fiber one end, comprise: the first connector and the first indicating device; Be arranged on the second connection indication device of the described optical fiber other end, comprise: the second connector and the second indicating device; Be arranged on the wire in described protective seam; Wherein, described first connection indication device is provided with the first input electrode for powering for described second indicating device, and described first input electrode is that described second indicating device is powered by described wire; Described second connection indication device is provided with the second input electrode for powering for described first indicating device, and described second input electrode is that described first indicating device is powered by described wire.When needing to distinguish the two ends of tail optical fiber to be detected in a large amount of tail optical fiber, the indicating device that only to need by the input electrode of one end be the other end is powered, and can be determined the two ends of described tail optical fiber to be detected by the identification signal of described indicating device.
Described in the application, detecting device comprises: elastic body; Two contact flat springs be connected with described elastic structure; Be arranged on the battery of described elastic body inside; Wherein, during described elastic body generation compressional deformation, the Electrode connection of described contact flat spring and described battery, for powering for described first input electrode or the second input electrode.Be may be used for for the input electrode of the either end of described tail optical fiber is powered by described contact flat spring, thus make the indicating device of the other end send identification signal, realize detecting the identification at same tail optical fiber two ends.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of common tail optical fiber in prior art;
Fig. 2 is for tail optical fiber shown in Fig. 1 is at the sectional drawing in PP ' direction;
The structural representation of a kind of tail optical fiber that Fig. 3 provides for the embodiment of the present application;
Fig. 4 is for tail optical fiber described in Fig. 3 is at the sectional drawing in QQ ' direction;
Fig. 5 is the partial enlarged drawing of tail optical fiber described in Fig. 3;
The structural representation of the another kind of tail optical fiber that Fig. 6 provides for the embodiment of the present application;
The structural representation of a kind of detecting device that Fig. 7 provides for the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As described in background, along with the increase day by day of optical communication network function, the optical fiber number that the fibre distribution frame of optical communication system is arranged gets more and more, and the tail optical fiber of corresponding setting also gets more and more.When carrying out identification to a large amount of tail optical fiber, although may be used for distinguishing the two ends of the tail optical fiber finding same optical fiber by means such as standardized numbering or labels, identification inefficiency, and easily there is mistake.
In order to solve the problem, the embodiment of the present application provides a kind of tail optical fiber and detecting device thereof, in the fibre distribution frame with a large amount of optical fiber, also identifies the two ends of same tail optical fiber fast accurately, so that the installation of equipment and maintenance.
With reference to the structural representation of a kind of tail optical fiber that figure 3, Fig. 3 provides for the embodiment of the present application.Described tail optical fiber can in a large amount of optical fiber the two ends of the same tail optical fiber of identification.
Described tail optical fiber comprises: the optical fiber 31 being provided with protective seam 32; Be arranged on first connection indication device 33 of described optical fiber 31 one end; Be arranged on the second connection indication device 35 of described optical fiber 31 other end; Be arranged on the wire 34 in described protective seam 32.Described first connection indication device 33 comprises: the first connector 331 and the first indicating device 332.Described second connection indication device 35 comprises: the second connector 351 and the second indicating device 352.
Wherein, described first connection indication device 33 is provided with the first input electrode for powering for described second indicating device 352, and described first input electrode is powered for described second indicating device 352 by described wire 34; Described second connection indication device 35 is provided with the second input electrode for powering for described first indicating device 332, and described second input electrode is powered for described first indicating device 332 by described wire 34.
With reference to figure 4, Fig. 4 for tail optical fiber described in Fig. 3 is at the sectional drawing in QQ ' direction.Described protective seam 32 comprises: the inner sheath 321 surrounding described optical fiber 31, surrounds the aramid yarn 322 of described inner sheath 321 and surrounds the oversheath 323 of described aramid yarn 322.Described wire comprises the first wire 341 and the second wire 342, and described first wire 341 insulate with described second wire 342.
Can be arranged in described aramid yarn 322 by described wire 34, described first wire 341 and described second wire 342 all be arranged in parallel with described optical fiber 31.Described first wire 341 and described second wire 342 are separately positioned on the both sides of described optical fiber 31, the insulation of the two can be realized by described aramid yarn 322.In order to ensure the first wire 341 and described second wire 342 better insulativity, with the surface of described second wire 342, all insulation course can be set at described first wire 341.
The structure of described first connection indication device 33 can as shown in Figure 5, and Fig. 5 is the partial enlarged drawing of tail optical fiber shown in Fig. 3.Described second connection indication device 35 is identical with the structural symmetry of described first connection indication device 33, and its structure with reference to figure 5, no longer can illustrate at this.
Described first input electrode comprises: the first shell fragment T1 and the second shell fragment T2.Wherein, one end of described first shell fragment T1 is fixedly connected with described first wire 341, and the other end is connected by elastic force with an input end of described first indicating device 332; One end of described second shell fragment T2 is fixedly connected with described second wire 342, and the other end is connected by elastic force with another input end of described first indicating device 332.
In the embodiment of the present application, described first indicating device 332 is any one in sound-producing device, light-emitting device and acousto-optic device; Described second indicating device 352 is any one in sound-producing device, light-emitting device and acousto-optic device.Shown in Fig. 5, the second indicating device 332 is acousto-optic device, comprises flashing light K and the hummer M of serial connection.It should be noted that, for the ease of finding the identification signal that described indicating device sends when powering, described indicating device preferably comprises flashing light.Described flashing light can adopt that cost is low, long service life and the LED of good weatherability.
In the present embodiment, described first indicating device 332 is provided with shell with described second indicating device 352.Wherein, the position that the shell of described first indicating device 332 is corresponding with described first input electrode is provided with the first input electrode and powers window; The position that the shell of described second indicating device 352 is corresponding with described second input electrode is provided with the second input electrode and powers window.
In Fig. 5 illustrated embodiment, the position that described first indicating device 332 is relative with described first shell fragment T1 is provided with the first input electrode and powers window M, and the position corresponding with described second shell fragment T2 is provided with the first input electrode and powers window N.
Described second input electrode comprises: the 3rd shell fragment and the 4th shell fragment; Wherein, one end of described 3rd shell fragment is fixedly connected with described first wire 341, and the other end is connected by elastic force with an input end of described second indicating device 351; One end of described 4th shell fragment is fixedly connected with described second wire 342, and the other end is connected by elastic force with another input end of described second indicating device 351.
In above-mentioned tail optical fiber, adopt a power supply, described power supply just can be powered for the indicating device of the other end by described first input electrode or the second input electrode, thus described indicating device can be made to send identification signal, thus realize the quick identification at the tail optical fiber two ends of same optical fiber, in a large amount of tail optical fiber, find the two ends of the tail optical fiber identifying same optical fiber fast, simple to operate, work efficiency is high, and accuracy rate is high, is convenient to plant maintenance.
In tail optical fiber described in the embodiment of the present application, when the indicating device by described input electrode being the other end is powered, the input electrode being powered one end is separable by the input electrode of described elastic piece structure with the indicating device with one end, uses to reduce electric energy.In other embodiments, the input electrode being positioned at same one end also can not be separated when supplying electro-detection with indicating device, and now, during for electro-detection, the indicating device at two ends is all powered and sends identification signal.
With reference to the structural representation of the another kind of tail optical fiber that figure 6, Fig. 6 provides for the embodiment of the present application.Wherein, Fig. 6 (a) is the original state schematic diagram of the first input electrode when not applying acting force, and Fig. 6 (b) is the detected state schematic diagram of the first input electrode when applying acting force.
Based on Fig. 5 illustrated embodiment, in tail optical fiber shown in Fig. 6, also comprise: be arranged on the first battery V between described first shell fragment T1 and described second shell fragment T2, described first shell fragment T1 is separated with described first indicating device 332 under external force with described second shell fragment T2, is that described second indicating device 352 is powered by described first battery V; Be arranged on the second battery between described 3rd shell fragment and described 4th shell fragment, described 3rd shell fragment is separated with described second indicating device under external force with described 4th shell fragment, is that described first indicating device 332 is powered by described second battery.
Battery is provided with in the connection indication device of described tail optical fiber, in Fig. 6 illustrated embodiment, when detecting described tail optical fiber, as shown in Fig. 6 (b), only need to apply pressure F to described first electrode or the shell fragment of the second electrode, it is connected with corresponding battery, and the indicating device that namely can be the other end is powered, thus make described indicating device send identification signal, thus confirm the corresponding other end by one end.
It should be noted that, when being provided with described first battery and described second battery, the principle schematic detected the second input electrode is identical with the principle schematic of the first input electrode, with reference to figure 6, no longer can illustrate at this.
The indicating device that tail optical fiber described in the embodiment of the present application can be the other end by the input electrode of one end is powered, thus realizes the recognition detection at same tail optical fiber two ends.Described indicating device can adopt the light signal of low-work voltage, sound and light signal or sound signal generating apparatus, realizes low pressure and detects, do not affect the proper communication of optical fiber, electric arc also can not occur and burn equivalent risk.Described technical scheme is improved to be applicable to various types of tail optical fiber, as G.652, G.655 etc., by increasing described indicating device can realize for having tail optical fiber.Tail optical fiber described in the embodiment of the present application goes for the joints of optical fibre of various model, as FC, SC, LC and ST etc.
Although Fig. 6 illustrated embodiment can realize the detection of tail optical fiber opposite end without the need to battery, when the two ends for all tail optical fibers all arrange battery, under the service condition of a large amount of tail optical fiber, can cost be caused higher.For this reason, the embodiment of the present application preferably adopts the tail optical fiber not arranging battery, and being powered by the detecting device described in following embodiment realizes the detection of tail optical fiber opposite end.
When not arranging described first battery and described second battery in tail optical fiber described in above-described embodiment, detecting device shown in Fig. 7 can be adopted to be that described tail optical fiber is powered, the differentiation realizing tail optical fiber end detects.The structural representation of a kind of detecting device that Fig. 7 provides for the embodiment of the present application.Described detecting device is used for the detection of tail optical fiber described in above-described embodiment.
Described detecting device comprises: elastic body 71; Two contact flat springs 72 be connected with described elastic structure 71; Be arranged on the battery 73 of described elastic body 71 inside.
Wherein, when compressional deformation occurs described elastic body 71, the Electrode connection of described contact flat spring 72 and described battery 73, for powering for described first input electrode or the second input electrode.
Therefore, when needs detect above-mentioned tail optical fiber, input electrode corresponding with above-mentioned tail optical fiber for described contact flat spring 72 is only needed to connect, powered by the indicating device making described elastic body generation compressional deformation namely can be the described tail optical fiber other end, thus realize the recognition detection to described tail optical fiber opposite end.Described shell fragment 72 is when there is compressional deformation in described elastic body 71, spacing between two shell fragments 72 reduces, so that provide acting force for above-mentioned tail optical fiber, it is made to realize electrical contact with corresponding input electrode on the one hand, on the other hand, also can make to be powered input electrode to be separated with the indicating device of same one end.
Described battery 73 can be button cell, is dismountablely fixed in described elastic structure 71, so that change battery.Described battery 73 also can be accumulator, when its electricity is not enough, by being charge in batteries, without the need to dismantling battery.
As shown in Figure 7, described detecting device also comprises: the operating side 74 be connected with described elastic body 71, and described operating side 74, for controlling described elastic body 71, described compressional deformation occurs.Can make described elastic structure 71 that deformation occurs by applying acting force for described operating side 74, simple to operate, and the power of saving.
Known by foregoing description, detecting device described in the present embodiment may be used for the confession electro-detection of above-described embodiment tail optical fiber, and mode of operation is simple, and work efficiency is high.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a tail optical fiber, is characterized in that, comprising:
Be provided with the optical fiber of protective seam;
Be arranged on first connection indication device of described optical fiber one end, comprise: the first connector and the first indicating device;
Be arranged on the second connection indication device of the described optical fiber other end, comprise: the second connector and the second indicating device;
Be arranged on the wire in described protective seam;
Wherein, described first connection indication device is provided with the first input electrode for powering for described second indicating device, and described first input electrode is that described second indicating device is powered by described wire; Described second connection indication device is provided with the second input electrode for powering for described first indicating device, and described second input electrode is that described first indicating device is powered by described wire.
2. tail optical fiber according to claim 1, is characterized in that, described wire comprises:
First wire and the second wire;
Wherein, described first wire and described second wire insulation.
3. tail optical fiber according to claim 2, is characterized in that, described first input electrode comprises: the first shell fragment and the second shell fragment;
Wherein, one end of described first shell fragment is fixedly connected with described first wire, and the other end is connected by elastic force with an input end of described first indicating device; One end of described second shell fragment is fixedly connected with described second wire, and the other end is connected by elastic force with another input end of described first indicating device.
4. tail optical fiber according to claim 3, is characterized in that, described second input electrode comprises: the 3rd shell fragment and the 4th shell fragment;
Wherein, one end of described 3rd shell fragment is fixedly connected with described first wire, and the other end is connected by elastic force with an input end of described second indicating device; One end of described 4th shell fragment is fixedly connected with described second wire, and the other end is connected by elastic force with another input end of described second indicating device.
5. tail optical fiber according to claim 1, is characterized in that, described protective seam comprises:
Surround the inner sheath of described optical fiber;
Surround the aramid yarn of described inner sheath;
Surround the oversheath of described aramid yarn.
6. tail optical fiber according to claim 5, is characterized in that, described wire is arranged in described aramid yarn.
7. the tail optical fiber according to any one of claim 1-6, is characterized in that, described first indicating device is any one in sound-producing device, light-emitting device and acousto-optic device;
Described second indicating device is any one in sound-producing device, light-emitting device and acousto-optic device.
8. the tail optical fiber according to any one of claim 1-6, is characterized in that, described first indicating device and described second indicating device are provided with shell;
Wherein, the position that the shell of described first indicating device is corresponding with described first input electrode is provided with the first input electrode and powers window; The position that the shell of described second indicating device is corresponding with described second input electrode is provided with the second input electrode and powers window.
9. tail optical fiber according to claim 4, is characterized in that, also comprises:
Be arranged on the first battery between described first shell fragment and described second shell fragment, described first shell fragment is separated with described first indicating device under external force with described second shell fragment, and be electrically connected with described first battery, be that described second indicating device is powered by described first battery.
10. tail optical fiber according to claim 9, is characterized in that, also comprises:
Be arranged on the second battery between described 3rd shell fragment and described 4th shell fragment, described 3rd shell fragment is separated with described second indicating device under external force with described 4th shell fragment, and be electrically connected with described second battery, be that described first indicating device is powered by described second battery.
11. 1 kinds of detecting devices, for the tail optical fiber as described in any one of claim 1-8, is characterized in that, comprising:
Elastic body;
Two contact flat springs be connected with described elastic structure;
Be arranged on the battery of described elastic body inside;
Wherein, during described elastic body generation compressional deformation, the Electrode connection of described contact flat spring and described battery, for powering for described first input electrode or the second input electrode.
12. detecting devices according to claim 11, is characterized in that, also comprise:
The operating side be connected with described elastic body, there is described compressional deformation for controlling described elastic body in described operating side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762309.XU CN204229008U (en) | 2014-12-05 | 2014-12-05 | A kind of tail optical fiber and detecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420762309.XU CN204229008U (en) | 2014-12-05 | 2014-12-05 | A kind of tail optical fiber and detecting device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204229008U true CN204229008U (en) | 2015-03-25 |
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|---|---|---|---|
| CN201420762309.XU Withdrawn - After Issue CN204229008U (en) | 2014-12-05 | 2014-12-05 | A kind of tail optical fiber and detecting device thereof |
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| CN (1) | CN204229008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391362A (en) * | 2014-12-05 | 2015-03-04 | 国家电网公司 | Tail fiber and detector thereof |
-
2014
- 2014-12-05 CN CN201420762309.XU patent/CN204229008U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391362A (en) * | 2014-12-05 | 2015-03-04 | 国家电网公司 | Tail fiber and detector thereof |
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Granted publication date: 20150325 Effective date of abandoning: 20170405 |
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