CN108933318A - A kind of same frequency combiner - Google Patents
A kind of same frequency combiner Download PDFInfo
- Publication number
- CN108933318A CN108933318A CN201810697943.2A CN201810697943A CN108933318A CN 108933318 A CN108933318 A CN 108933318A CN 201810697943 A CN201810697943 A CN 201810697943A CN 108933318 A CN108933318 A CN 108933318A
- Authority
- CN
- China
- Prior art keywords
- shell
- screw rod
- same frequency
- frequency combiner
- drive sprocket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
Abstract
A kind of same frequency combiner, shell including same frequency combiner, multiple equally distributed input interfaces are equipped on the left of shell, multiple equally distributed output interfaces are equipped on the right side of shell, multiple output interfaces and multiple input interfaces, which correspond, to be distributed, the two sides up and down of shell left side input interface and the two sides up and down of right side output interface symmetrically open up vertical guiding grooved rail, guide runner is coupled in guiding grooved rail, transverse slat is fixedly mounted in the outer end of guide runner, transverse slat top surface opens up threaded hole, is coupled the first screw rod in threaded hole.The present invention can quickly realize multiple same frequency combiner combination installations, the speed that staff installs circuit-closer can effectively be improved, and the automatic fastening of plug and interface can be automatically performed while multiple same frequency combiner combination installations, it can guarantee that connector keeps fastening to be not easy to loosen with interface grafting, to effectively guarantee the stabilization of device signal transmission.
Description
Technical field
The invention belongs to Communication Equipment technical field, specifically a kind of same frequency combiner.
Background technique
Multiple same frequency combiners are often installed, current multiple same frequency combiners are installed as individually carrying out in base station machine room
The mounting means of bolt fastening, the mounting means need individual mounting rack to install multiple same frequency combiners, traditional installation
Mode wastes time the installation of multiple same frequency combiners more and occupies more computer room space, is unfavorable for the reasonable of space
It utilizes, the mounting means of transmission does not carry out fastening protection, the process of machine room inspection to the plug of same frequency combiner and interface
In inevitably external force route is pullled, be easy to cause plug and interface to be easy to loosen, interface be easy to cause to damage, thus
Signal is caused to transmit unstable.
Summary of the invention
The present invention provides a kind of same frequency combiner, to solve defect in the prior art.
The present invention is achieved by the following technical programs:
A kind of same frequency combiner, the shell including same frequency combiner, shell left side are equipped with multiple equally distributed input interfaces, outside
Multiple equally distributed output interfaces are equipped on the right side of shell, multiple output interfaces and multiple input interfaces, which correspond, to be distributed, shell
The two sides up and down of left side input interface and the two sides up and down of right side output interface symmetrically open up vertical guiding grooved rail, lead
Guide runner is coupled into grooved rail, transverse slat is fixedly mounted in the outer end of guide runner, and transverse slat top surface opens up threaded hole,
The first screw rod is coupled in threaded hole, the lower end of the first screw rod of the upper end and downside of the first screw rod of upside passes through axis
Bearing sleeve fills first sleeve, is fixedly connected on the outside of first sleeve side and shell, the upper end side of first screw rod on top is equal
Equipped with vertical riffled tube, the lower end of riffled tube is fixedly connected with cover top portion, is set with outside riffled tube by bearing
Casing, the fixed suit first gear in the lower end of casing, the lower end side of the first screw rod of downside is equipped with the second vertical spiral shell
Bar, the upper end of the second screw rod are flexibly connected with the bottom bearing of shell, the fixed suit second gear in the upper end of the second screw rod, on
The fixed suit third gear in the lower end of first screw rod of the upper end and downside of the first screw rod of side, first gear and second gear
It engages and cooperates with corresponding third gear, through-hole is opened up among outer casing top surface and bottom surface, is pacified in through-hole by bearing activity
Vertical pivot is filled, fixes the first driven sprocket of suit, the upper and lower ends of vertical pivot on two casings among cover top portion two sides
By the first transmission chain link, cover top portion is same for fixed suit drive sprocket, drive sprocket and two the first driven sprockets
It is fixed on several casings of side to be set with the first drive sprocket, the first drive sprocket on several casings of cover top portion the same side
It is fixed on two the second screw rods among outer casing bottom two sides to be set with the second driven chain by the second transmission chain link
Wheel, the drive sprocket of downside and two the second driven sprockets are by third transmission chain link, and several the of outer casing bottom the same side
Fixed on two screw rods to be set with the second drive sprocket, the second drive sprocket on several second screw rods of outer casing bottom the same side is equal
By the 4th transmission chain link, vertical bar is fixedly mounted on the downside of the outer end of the transverse slat of upside and on the upside of the outer end of the transverse slat of downside,
Grip block is fixedly mounted in the upper end of the vertical bar of the lower end and downside of the vertical bar of upside, and grafting input is cooperated to insert on input interface
Head cooperates grafting output plug on output interface, the two aid block energy in same vertical direction ipsilateral positioned at shell
Input plug or output plug are clamped.
A kind of same frequency combiner as described above, the grip block are arc, positioned at shell it is ipsilateral in same perpendicular
Histogram to two aid blocks inner concaves be oppositely arranged.
The anti-slip rubber of arc is fixedly mounted in a kind of same frequency combiner as described above, the inner concave of the grip block
Pad.
A kind of same frequency combiner as described above opens up rectangular jack among the upper surface of the vertical pivot.
A kind of same frequency combiner as described above, rubber sheet gasket is fixedly mounted in the lower end of second screw rod.
A kind of same frequency combiner as described above, the guiding grooved rail are T-slot rail, and guide runner is T-type sliding block.
The invention has the advantages that the present invention can quickly realize multiple same frequency combiner combination installations, it can be effective
The speed that staff installs circuit-closer is improved, and can be automatically performed while multiple same frequency combiner combination installations
The automatic fastening of plug and interface, it is ensured that connector keeps fastening to be not easy to loosen with interface grafting, to effectively guarantee to set
The stabilization of standby signal transmission, avoids the loosening for connecting connector with interface and interface is caused to damage
It is bad, the service life of equipment can be improved, can be reduced using the assembling that invention carries out multiple same frequency combiners multiple with frequency conjunction
Road device improves the utilization rate in space to the occupancy in space in computer room.When being combined installation, it is combined superposed with frequency
The lower end of second screw rod of device is aligned with the corresponding riffled tube on the same frequency combiner of lower part, is then turned top and is closed with frequency
The vertical pivot of road device, vertical pivot drive the first driven sprocket of installation by the transmission of drive sprocket, the first driven sprocket, the first transmission chain
The rotation of two casings, which drives the same frequency combining on top by the cooperation of the first drive sprocket and the second transmission chain
All casings rotate synchronously at the top of device, and vertical pivot passes through the transmission belt of drive sprocket, the second driven sprocket, third transmission chain at this time
Two second screw rods rotation of the second driven sprocket of dynamic installation, two second screw rods pass through the second drive sprocket, the 4th transmission
The cooperation of chain drives top to rotate with all second screw rods of frequency combiner bottom, and the second screw rod can be rotated and is screwed into down at this time
Portion in riffled tube corresponding at the top of frequency combiner with completing to be threadedly engaged, and casing passes through first gear and third tooth at the same time
The corresponding first screw rod rotation in upside is driven under the cooperation of wheel, the second screw rod is driven by the cooperation of second gear and third gear
The corresponding first screw rod rotation in downside moves down the corresponding transverse slat in upside in the first screw rod for being threadedly engaged lower upside, downside
First screw rod moves up the corresponding transverse slat in downside, and transverse slat drives corresponding grip block mobile, and input plug and output plug can be with
It is clamped by corresponding two grip blocks, which is automatically performed the automatic fastening of plug and interface, is closed by the same frequency on top
Being threadedly engaged for riffled tube at the top of second screw rod of road device bottom and the same frequency combiner of lower part can complete two with frequency
Combiner is stably connected with, and can continue to continue same frequency combiner on the upside of the same frequency combiner on top by the principle
Installation, can be rapidly completed the assembly and connection of multiple same frequency combiners by the above process, and multiple same frequency combiners it
Between connection very firm stable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；Fig. 2 is the top view of Fig. 1；Fig. 3 is I partial enlarged view of Fig. 1；Figure
4 be II partial enlarged view of Fig. 1；Fig. 5 is the cross-sectional view of the line A-A along Fig. 1；Fig. 6 is two connection status of the invention
Figure；Fig. 7 is III partial enlarged view of Fig. 6.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of same frequency combiner is equipped with multiple uniform points as shown, including the shell 1 of same frequency combiner on the left of shell 1
The input interface 2 of cloth, multiple equally distributed output interfaces 3 are equipped on the right side of shell 2, and multiple output interfaces 3 and multiple input connect
Mouth 2 corresponds distribution, and the two sides up and down of 1 left side input interface 2 of shell and the two sides up and down of right side output interface 2 are right
Title opens up vertical guiding grooved rail 4, is oriented in grooved rail 4 and is coupled guide runner 5, the fixed peace in the outer end of guide runner 5
Transverse slat 6 is filled, 6 top surface of transverse slat opens up threaded hole 7, the first screw rod 8 is coupled in threaded hole 7, the first screw rod 8 of upside
The lower end of first screw rod 8 of upper end and downside is set with first sleeve 9, the outside of first sleeve 9 side and shell 1 by bearing
Be fixedly connected, the upper end side of first screw rod 8 on top is equipped with vertical riffled tube 10, the lower end of riffled tube 10 with
It is fixedly connected at the top of shell 1, passes through bearing holder (housing, cover) tubing 11, the fixed suit first in the lower end of casing 11 outside riffled tube 10
Gear 12, the lower end side of the first screw rod 8 of downside are equipped with the second vertical screw rod 13, the upper end of the second screw rod 13 and shell
1 bottom bearing is flexibly connected, the fixed suit second gear 14 in the upper end of the second screw rod 13, the first screw rod 8 of upside it is upper
The fixed suit third gear 15 in the lower end of first screw rod 8 at end and downside, first gear 12 and second gear 14 with it is corresponding
Third gear 15 engage cooperation, through-hole 16 is opened up among 1 top surface of shell and bottom surface, through-hole 16 is interior to be installed by bearing activity
Vertical pivot 17, equal the first driven sprocket 18 of fixed suit on two casings 11 among 1 top two sides of shell, vertical pivot 17 it is upper
The fixed suit drive sprocket 19 in lower both ends, drive sprocket 19 and two the first driven sprockets 18 are connected by the first transmission chain 20
It connects, it is fixed on several casings 11 of 1 top the same side of shell to be set with the first drive sprocket 21, the number of 1 top the same side of shell
The first drive sprocket 21 on a casing 11 is connected by the second transmission chain 22, and two among 1 two sides of the bottom of shell
The second driven sprocket 23 of fixed suit, the drive sprocket 19 of downside pass through with two the second driven sprockets 23 on second screw rod 13
Third transmission chain 24 connects, fixed on several second screw rods 13 of 1 bottom the same side of shell to be set with the second drive sprocket 25, outside
The second drive sprocket 25 on several second screw rods 13 of 1 bottom the same side of shell is connected by the 4th transmission chain 26, upside
Be fixedly mounted vertical bar 27 on the downside of the outer end of transverse slat 6 and on the upside of the outer end of the transverse slat 6 of downside, the lower end of the vertical bar 27 of upside and under
Grip block 28 is fixedly mounted in the upper end of the vertical bar 27 of side, and grafting input plug 29, output interface 3 are cooperated on input interface 2
On cooperate grafting output plug 30, the two aid blocks 28 in same vertical direction ipsilateral positioned at shell 1 can will input
Plug 29 or output plug 30 are clamped.The present invention can quickly realize multiple same frequency combiner combination installations, as shown in fig. 6,
The speed that staff installs circuit-closer can be effectively improved, and can be in the same of multiple same frequency combiner combination installations
When be automatically performed the automatic fastening of plug and interface, it is ensured that connector keeps fastening to be not easy to loosen with interface grafting, to have
The stabilization of the guarantee device signal transmission of effect, avoids the loosening for connecting connector with interface and causes
Interface damage, can be improved the service life of equipment, can be reduced using the assembling that invention carries out multiple same frequency combiners more
A same frequency combiner improves the utilization rate in space to the occupancy in space in computer room.It, will be superposed when being combined installation
The lower end of the second screw rod 13 with frequency combiner is aligned with the corresponding riffled tube 10 on the same frequency combiner of lower part, is then twisted
Vertical pivot 17 of the dynamic top with frequency combiner, the biography that vertical pivot 17 passes through drive sprocket 19, the first driven sprocket 18, the first transmission chain 20
Dynamic two casings 11 rotation for driving the first driven sprocket 18 of installation, two casings 11 pass through the first drive sprocket 21 and second
The cooperation of transmission chain 22 drives casing 11 all at the top of the same frequency combiner on top to rotate synchronously, and vertical pivot 17 passes through actively at this time
The transmission of sprocket wheel 19, the second driven sprocket 23, third transmission chain 24 drives two second screw rods of the second driven sprocket 23 of installation
13 rotations, this two second screw rods 13 drive top to be combined with frequency by the cooperation of the second drive sprocket 25, the 4th transmission chain 26
All second screw rods 13 of device bottom rotate, and the second screw rod 13, which can rotate, at this time is screwed into lower part with corresponding at the top of frequency combiner
Riffled tube 10 in complete to be threadedly engaged, as shown in fig. 7, casing 11 passes through first gear 12 and third gear 15 at the same time
Cooperation under drive corresponding first screw rod 8 in upside to rotate, the second screw rod 13 is matched by second gear 14 and third gear 15
Corresponding first screw rod 8 in the dynamic downside of crossed belt rotates, in the case where the first screw rod 8 for being threadedly engaged lower upside makes the corresponding transverse slat 6 in upside
It moves, the first screw rod 8 of downside moves up the corresponding transverse slat 6 in downside, and transverse slat 6 drives corresponding grip block 28 mobile, input plug
29 can be clamped with output plug 30 by corresponding two grip blocks 28, which is automatically performed the automatic tight of plug and interface
Gu the spiral shell of the second screw rod 13 and the riffled tube 10 at the top of the same frequency combiner of lower part by the same frequency combiner bottom on top
Line cooperation can complete two being stably connected with frequency combiner, can continue the same frequency combiner on top by the principle
Upside continues the installation of same frequency combiner, and the group load of multiple same frequency combiners can be rapidly completed by the above process
It connects, and the connection very firm stable between multiple same frequency combiners.
Specifically, as shown, grip block 28 described in the present embodiment is arc, positioned at shell 1 it is ipsilateral in same
The inner concave of two aid blocks 28 of one vertical direction is oppositely arranged.The grip block 28 of two arcs can preferably insert input
First 29 or output plug 30 clamp, improve clamping effect.
Specifically, as shown, the anti-skidding rubber of arc is fixedly mounted in the inner concave of grip block 28 described in the present embodiment
Rubber mat 31.The frictional force between input plug 29 or output plug 30 can be improved by anti-skid rubber cushion 31 in grip block 28,
It improves and effect is stepped up to input plug 29 or output plug 30, while being not easy that input plug 29 or output plug 30 are caused to grind
Damage.
Further, as shown, opening up rectangular jack 32 among the upper surface of vertical pivot 17 described in the present embodiment.Work
Personnel, which can be used quadrangle spanner and be inserted into rectangular jack 32, rotates vertical pivot 17, facilitates the operation of staff.
Further, as shown, rubber sheet gasket is fixedly mounted in the lower end of the second screw rod 13 described in the present embodiment
33.The present invention can increase the frictional force between the present invention and ground by rubber sheet gasket 33 and ground face contact when placing,
To improve stable in placement of the invention.
Further, as shown, guiding grooved rail 4 described in the present embodiment is T-slot rail, guide runner 5 is sliding for T-type
Block.The installation degree of stability of guide runner 5 can be improved in the design.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of same frequency combiner, it is characterised in that: the shell (1) including same frequency combiner, shell (1) left side are equipped with multiple equal
The input interface (2) of even distribution, shell (2) right side are equipped with multiple equally distributed output interfaces (3), multiple output interfaces (3)
It corresponds and is distributed with multiple input interfaces (2), the two sides up and down of shell (1) left side input interface (2) and right side output
The two sides up and down of interface (2) symmetrically open up vertical guiding grooved rail (4), are coupled guide runner in guiding grooved rail (4)
(5), the outer end of guide runner (5) is fixedly mounted transverse slat (6), and transverse slat (6) top surface opens up threaded hole (7), in threaded hole (7)
It is coupled the first screw rod (8), the lower end of the first screw rod (8) of the upper end and downside of the first screw rod (8) of upside passes through
Bearing is set with first sleeve (9), is fixedly connected on the outside of first sleeve (9) side and shell (1), first screw rod (8) on top
Upper end side be equipped with vertical riffled tube (10), be fixedly connected at the top of the lower end of riffled tube (10) and shell (1),
By bearing holder (housing, cover) tubing (11) outside riffled tube (10), the lower end of casing (11) is fixed to be set with first gear (12), under
The lower end side of the first screw rod (8) of side is equipped with vertical the second screw rod (13), the upper end and shell (1) of the second screw rod (13)
Bottom bearing be flexibly connected, fixed suit second gear (14) in the upper end of the second screw rod (13), the first screw rod (8) of upside
Upper end and downside the first screw rod (8) fixed suit third gear (15) in lower end, first gear (12) and second gear
(14) it engages and cooperates with corresponding third gear (15), open up through-hole (16), through-hole among shell (1) top surface and bottom surface
(16) by bearing activity installation vertical pivot (17) in, it is located at fixed on two casings (11) at the top of shell (1) among two sides
Be set with the first driven sprocket (18), fixed suit drive sprocket (19) of the upper and lower ends of vertical pivot (17), drive sprocket (19) with
Two the first driven sprockets (18) are connected by the first transmission chain (20), at the top of shell (1) on several casings (11) of the same side
It is fixed to be set with the first drive sprocket (21), the first drive sprocket at the top of shell (1) on several casings (11) of the same side
(21) it is connected, is located at solid on two the second screw rods (13) among shell (1) two sides of the bottom by the second transmission chain (22)
Surely it is set with the second driven sprocket (23), the drive sprocket (19) of downside passes through third transmission chain with two the second driven sprockets (23)
(24) it connects, fixed suit the second drive sprocket (25), shell on several second screw rods (13) of shell (1) bottom the same side
(1) the second drive sprocket (25) on several second screw rods (13) of bottom the same side is connected by the 4th transmission chain (26),
Vertical bar (27) are fixedly mounted on the downside of the outer end of the transverse slat (6) of upside and on the upside of the outer end of the transverse slat (6) of downside, the vertical bar of upside
(27) upper end of the vertical bar (27) of lower end and downside is fixedly mounted grip block (28), and input interface cooperates grafting on (2)
Input plug (29) cooperates grafting output plug (30) on output interface (3), be located at shell (1) it is ipsilateral in same perpendicular
Histogram to two aid blocks (28) input plug (29) or output plug (30) can be clamped.
2. a kind of same frequency combiner according to claim 1, it is characterised in that: the grip block (28) is arc, position
It is oppositely arranged in the inner concave of ipsilateral two aids block (28) in same vertical direction of shell (1).
3. a kind of same frequency combiner according to claim 2, it is characterised in that: the inner concave of the grip block (28) is equal
The anti-skid rubber cushion (31) of arc is fixedly mounted.
4. a kind of same frequency combiner according to claim 1, it is characterised in that: among the upper surface of the vertical pivot (17)
Open up rectangular jack (32).
5. a kind of same frequency combiner according to claim 1, it is characterised in that: the lower end of second screw rod (13) is equal
It is fixedly mounted rubber sheet gasket (33).
6. a kind of same frequency combiner according to claim 1, it is characterised in that: the guiding grooved rail (4) is T-slot
Rail, guide runner (5) are T-type sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697943.2A CN108933318B (en) | 2018-06-29 | 2018-06-29 | Same-frequency combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697943.2A CN108933318B (en) | 2018-06-29 | 2018-06-29 | Same-frequency combiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108933318A true CN108933318A (en) | 2018-12-04 |
| CN108933318B CN108933318B (en) | 2020-10-02 |
Family
ID=64447046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697943.2A Expired - Fee Related CN108933318B (en) | 2018-06-29 | 2018-06-29 | Same-frequency combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933318B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152168A (en) * | 2020-10-28 | 2020-12-29 | 合肥合博机电有限公司 | Assembled vehicle air conditioner pencil protective housing |
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558655U (en) * | 2017-03-16 | 2017-10-13 | 南京华脉科技股份有限公司 | A kind of Novel combiner mounting box |
| CN107910673A (en) * | 2017-10-20 | 2018-04-13 | 国家电网公司 | A kind of wire clamp Quick multiple head sleeve |
| CN107905593A (en) * | 2017-12-04 | 2018-04-13 | 福建工程学院 | A kind of vertical multi-storied garage |
-
2018
- 2018-06-29 CN CN201810697943.2A patent/CN108933318B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558655U (en) * | 2017-03-16 | 2017-10-13 | 南京华脉科技股份有限公司 | A kind of Novel combiner mounting box |
| CN107910673A (en) * | 2017-10-20 | 2018-04-13 | 国家电网公司 | A kind of wire clamp Quick multiple head sleeve |
| CN107905593A (en) * | 2017-12-04 | 2018-04-13 | 福建工程学院 | A kind of vertical multi-storied garage |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152168A (en) * | 2020-10-28 | 2020-12-29 | 合肥合博机电有限公司 | Assembled vehicle air conditioner pencil protective housing |
| CN112152168B (en) * | 2020-10-28 | 2022-02-25 | 安徽合博机电有限公司 | Assembled vehicle air conditioner pencil protective housing |
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
| CN115498459B (en) * | 2022-10-10 | 2023-11-21 | 人天通信集团有限公司 | Multipath same-frequency combiner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108933318B (en) | 2020-10-02 |
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