CN106713198A - Frequency modulation device and frequency modulation method for microwave frequency converter - Google Patents
Frequency modulation device and frequency modulation method for microwave frequency converter Download PDFInfo
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- CN106713198A CN106713198A CN201710033944.2A CN201710033944A CN106713198A CN 106713198 A CN106713198 A CN 106713198A CN 201710033944 A CN201710033944 A CN 201710033944A CN 106713198 A CN106713198 A CN 106713198A
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- frequency modulation
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- tapered end
- screw
- frequency
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 3
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/16—Frequency regulation arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to the technical field of production equipment of microwave frequency converters, in particular to a frequency modulation device and a frequency modulation method for a microwave frequency converter. The frequency modulation device for the microwave frequency converter comprises a frequency modulation part, a sleeve and a fastener, wherein the frequency modulation part comprises a frequency modulation screw lock; a lock surface is arranged at the front end part of the frequency modulation screw lock; the sleeve sleeves the frequency modulation screw lock; a sleeve surface is arranged at the end part, close to the lock surface, of the sleeve; the fastener is connected with the sleeve and locks and connects the sleeve to the frequency modulation screw lock, so that a frequency modulation space is formed between the sleeve surface and the lock surface. According to the frequency modulation device and the frequency modulation method for the microwave frequency converter, disclosed by the invention, accurate positioning can be realized, a frequency modulation screw can be automatically fixed within the frequency modulation range required by a product, and blind adjustment during manual test adjustment of an instrument is avoided, so that labor cost is greatly reduced, and the damage and scrap rate of the product is reduced; in addition, artificial special focus on a sinking position of the frequency modulation screw is not needed, and a good fool-proofing effect is realized.
Description
Technical field
The present invention relates to microwave converter production equipment technical field, more particularly to microwave converter frequency modulation device and its tune
Frequency method.
Background technology
With the development of economic and digital communication division skill, single digital Standard Definition Television (SDTV) far can not meet the epoch
Requirement, and digital high definition television (HDTV) and data service information (including exchange information, video request program, long-distance education, stock
The information on services such as city's market, tele-medicine, teleshopping, data broadcasting and internet access) necessarily replace single SD electricity
Depending on (SDTV), this is the trend of current development.Digital high definition television (HDTV) signal and data service information be by coding,
Multiplexing, modulation, combining, then are carried out up-converting to microwave frequency and power are put with microwave digital television transmitting equipment
Greatly, wirelessly launch finally by microwave transmitting antenna, user area is fixed by the individual mobile subscriber of covering and family,
The purpose of transmission Digital Microwave signal is reached, and microwave converter is the important core portion of microwave digital television transmitting equipment
Point, its index quality can influence the index of whole Transmission system.But the raising to production efficiency under current situation is compeled
In the eyebrows and eyelashes, in process of production with the presence of the obstruction that a frequency modulation is certain to the raising of production efficiency.
The content of the invention
It is an object of the invention to provide a kind of microwave converter frequency modulation device and its frequency modulation method, it is intended to solve existing skill
The low technical problem of the microwave converter of art frequency modulation efficiency in process of production.
To achieve the above object, the technical scheme is that：A kind of microwave converter frequency modulation device, including frequency modulation part,
Sleeve and fastener, the frequency modulation part include frequency modulation screw tapered end, and the leading section of the frequency modulation screw tapered end is provided with tapered end face, institute
Sleeve is stated to be socketed on outside the frequency modulation screw tapered end, and the sleeve is provided with sleeve section near the end in the tapered end face, it is described
Fastener be close to the sleeve connection and by the sleeve lock be connected on the frequency modulation screw tapered end so that the sleeve section with
Forming frequency adjustment spacing between the tapered end face.
Preferably, the sidepiece of the frequency modulation screw tapered end is provided with the scale of the length for indicating the frequency adjustment spacing
Line.
Preferably, the sidepiece of the sleeve is provided with fastener hole, and the fastener wears the fastener hole with the fastener hole
Adaptation connection, and the end of the fastener presses on the sidepiece of the frequency modulation screw tapered end.
Preferably, the frequency modulation part also includes limiting stand, rearward end of the limiting stand located at the frequency modulation screw tapered end
Deviate from from the rearward end of the frequency modulation screw tapered end for limiting the sleeve.
Preferably, the frequency modulation part also includes holding handle, and the holding handle is connected with the limiting stand, and the limiting stand
Between the holding handle and the frequency modulation screw tapered end.
Preferably, the holding handle and the limiting stand are first body formed with the frequency modulation screwed lock.
Preferably, the fastener hole is screwed hole, and the fastener is bolt, screw or screw.
Preferably, the section of the frequency modulation screw tapered end is polygon-shaped.
Preferably, it is described polygon-shaped for hexagonal configuration or octagonal shape.
Beneficial effects of the present invention：Microwave converter frequency modulation device of the invention, when using, by the frequency modulation screw of frequency modulation part
Tapered end is inserted in frequency modulation screw, then frequency modulation screwed lock is entered the compartment the inside of microwave converter, when frequency modulation screw is in toward compartment
When face is sunk to, sleeve and frequency modulation screw tapered end sink with the sinking of frequency modulation screw, and until the interval of sleeve section and compartment
Face overlaps, and now, frequency modulation screw tapered end and frequency modulation screw can then stop sinking, and this position that frequency modulation screw sinks to is rule
Determine frequency location required in frequency range such that it is able to accurately position and frequency modulation screw can be fixed needed for product automatically
Tuning range in, artificial would not blindly be adjusted when instrument test is adjusted, greatly reduce cost of labor and reduce
The damage of product and scrappage；And, without manually specially going concern frequency modulation screw to sink to position, play good fool proof and make
With.
Another technical scheme of the invention is：A kind of microwave converter frequency modulation method, comprises the following steps：
S1：There is provided one has the frequency modulation part of frequency modulation screw tapered end；
S2：The leading section for setting the frequency modulation screw tapered end is tapered end face；
S3：One sleeve is provided, the sleeve is socketed on outside the frequency modulation screw tapered end；
S4：The end that the sleeve is set near the tapered end face is sleeve section；
S5：There is provided a fastener, be simultaneously close to for the sleeve lock be connected to the tune by the fastener and the sleeve connection
So that forming frequency adjusts spacing between the sleeve section and the tapered end face on frequency screw tapered end；
S6：Spacing is adjusted with the frequency frequency modulation screw is locked into compartment as adjustment frequency.
Microwave converter frequency modulation method of the invention, can accurately position and frequency modulation screw can be fixed into product automatically
In required tuning range, artificial would not blindly be adjusted when instrument test is adjusted, greatly reduce cost of labor simultaneously
Reduce damage and the scrappage of product；And, without manually specially going concern frequency modulation screw to sink to position, play anti-well
Slow-witted effect.
Brief description of the drawings
Fig. 1 is the structural representation of microwave converter frequency modulation device provided in an embodiment of the present invention.
Fig. 2 is the structural decomposition diagram of microwave converter frequency modulation device provided in an embodiment of the present invention.
Fig. 3 is the structural representation of the first use state of microwave converter frequency modulation device provided in an embodiment of the present invention.
Fig. 4 is the structural representation of second use state of microwave converter frequency modulation device provided in an embodiment of the present invention.
Fig. 5 is the structural representation of the third use state of microwave converter frequency modulation device provided in an embodiment of the present invention.
Reference includes：
10-frequency modulation part 11-frequency modulation screw 12-limiting stand of tapered end
13-hold handle 20-sleeve, 21-sleeve section
22-fastener hole, 30-fastener, 40-frequency modulation screw
50-compartment, 51-compartment face, 111-tapered end face.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of Fig. 1~5 description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " length ", " width ", " on ", D score, "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
As shown in Figures 1 to 5, a kind of microwave converter frequency modulation device provided in an embodiment of the present invention, is mainly used in micro-
The frequency modulation of ripple frequency converter production process, wherein, microwave converter includes compartment 50, and the effect of compartment 50 is for microwave product completely cuts off
Product signal is disturbed, and the upper end of compartment 50 is provided with compartment face 51, then the microwave converter frequency modulation device of the present embodiment then will
On the retraction compartment 50 of frequency modulation screw 40 and the distance that the frequency modulation screw 40 is sunk in compartment 50 is adjusted, the adjustment of the distance is rule
Determine frequency values required in frequency range.Wherein, microwave converter frequency modulation device includes frequency modulation part 10, sleeve 20 and fastener
30, the frequency modulation part 10 includes frequency modulation screw tapered end 11, and the leading section of the frequency modulation screw tapered end 11 is provided with tapered end face 111, institute
Sleeve 20 is stated to be socketed on outside the frequency modulation screw tapered end 11, and the sleeve 20 is provided with set near the end in the tapered end face 111
Cylinder face 21, the fastener 30 is connected with the sleeve 20 and the locking of the sleeve 20 is connected into the frequency modulation screw tapered end 11
Above so that forming frequency adjusts spacing H between the sleeve section 21 and the tapered end face 111.
Specifically, the microwave converter frequency modulation device of the embodiment of the present invention, when using, by the frequency modulation screwed lock of frequency modulation part 10
First 11 are inserted in frequency modulation screw 40, then frequency modulation screw 40 are locked the inside of compartment 50 of microwave converter, when frequency modulation screw 40 exists
When being sunk to toward the inside of compartment 50, sleeve 20 and frequency modulation screw tapered end 11 sink with the sinking of frequency modulation screw 40, and until set
Cylinder face 21 overlaps with the septal surface of compartment 50, and now, frequency modulation screw tapered end 11 and frequency modulation screw 40 can then stop sinking, and adjust
Required frequency location in the range of this position as assigned frequency that frequency screw 40 sinks to such that it is able to accurately position and energy
Automatically in the tuning range needed for frequency modulation screw 40 being fixed into product, artificial would not blindly be adjusted when instrument test is adjusted
It is whole, greatly reduce cost of labor and reduce damage and the scrappage of product；And, without manually specially going to pay close attention to frequency modulation spiral shell
Silk 40 sinks to position, plays good foolproof function and avoids the occurrence of the too deep ceramics by above PCBA of sinkage of frequency modulation screw 40
The problem that oscillator is damaged by pressure and causes PCBA board to scrap；Avoid subsequently causing follow-up because the sinkage of frequency modulation screw 40 is too deep
Manual debugging is long in debugging process, and the problem that the time wasted and reduced production efficiency occurs.
In the present embodiment, the sidepiece of the frequency modulation screw tapered end 11 is provided with the length for indicating the frequency adjustment spacing H
The graduation mark (not shown) of degree.Specifically, by sleeve 20 be inserted in frequency modulation screw tapered end 11 it is outer when, you can the mobile phase of sleeve 20
Slided for frequency modulation screw tapered end 11, corresponded on graduation mark and selected suitable numerical value by by the sleeve section 21 of sleeve 20,
Sleeve 20 is locked with frequency modulation screw tapered end 11 by fastener 30 again and is connected, so, then set sleeve section 21 with lock
The concrete numerical value of forming frequency adjustment spacing H between head 111.
In the present embodiment, the sidepiece of the sleeve 20 is provided with fastener hole 22, and the fastener 30 wears the fastener hole 22
It is connected with the adaptation of the fastener hole 22, and the end of the fastener 30 presses on the sidepiece of the frequency modulation screw tapered end 40.Tool
On the one hand body ground, the setting of fastener hole 22 is realized being fitted close with fastener 30, on the other hand can also play quick positioning peace
The effect of firmware 30 is loaded, i.e., after the relative position between sleeve 20 and frequency modulation screw tapered end 11 is completed, by the fastener 30
Wear fastener hole 22 and lock, so realize assembling, it is quick convenient.
Further, in the present embodiment, the fastener hole 22 be screwed hole, the fastener 30 be bolt, screw or
Screw.It is adapted to screwed hole by bolt, screw or screw and is connected, it is easy to assembly, and by swivel bolt, screw or spiral shell
Silk, you can so that the end of bolt, screw or screw presses on the sidepiece of frequency modulation screw tapered end 11, it is convenient and practical.
In the present embodiment, the frequency modulation part 10 also includes limiting stand 12, and the limiting stand 12 is located at the frequency modulation screwed lock
First 11 rearward end is deviate from for limiting the sleeve 20 from the rearward end of the frequency modulation screw tapered end 11.Specifically, it is spacing
The rearward end for being arranged on frequency modulation screw tapered end 11 of platform 12 forms one to sleeve 20 relative to frequency modulation screw tapered end 11 toward rise
The limiting structure of section, in this way, when would not occur being inserted in from the leading section of frequency modulation screw tapered end 11, occurring from frequency modulation screw tapered end
The phenomenon of 11 rearward end abjection, it is ensured that the stability and reliability assembled between part and part.
In the present embodiment, the frequency modulation part 10 also includes holding handle 13, and the holding handle 13 is connected with the limiting stand 12,
And the limiting stand 12 is located between the holding handle 13 and the frequency modulation screw tapered end 11.Specifically, the setting of handle 13 is held
Staff is facilitated to grip, so that convenient apply active force in frequency modulation screw tapered end 11 to control frequency modulation screw tapered end 11 to cause to adjust
Frequency screw 40 is sunk in compartment 50, and the holding handle 13 external diameter of the external diameter more than limiting stand 12 and frequency modulation screw tapered end 11,
External diameter is larger, can further lift gripping comfort of the operator to it.
In the present embodiment, the holding handle 13 and the limiting stand 12 are integrally formed with the frequency modulation screw tapered end 11.Tool
Body ground, integrally formed to be designed with beneficial to large batch of manufacture is carried out to frequency modulation part 10, improving production efficiency and reduction are produced into
Sheet, and the good product consistency for producing, quality are high.
In the present embodiment, the section of the frequency modulation screw tapered end 11 is polygon-shaped.Specifically, the tune in polygon-shaped section
The frequency modulation screw 40 of head of the adaptation with polygon-shaped section of frequency screw tapered end 11, the frequency modulation screw tapered end 11 of this kind of structure exists
It is not easy stripped thread during rotary work, it is ensured that the stability of work and the life-span for using are longer.Preferably, it is described polygon-shaped to be
Hexagonal configuration or octagonal shape.
The embodiment of the present invention also provides a kind of microwave converter frequency modulation method, comprises the following steps：
S1：There is provided one has the frequency modulation part 10 of frequency modulation screw tapered end 11；
S2：The leading section for setting the frequency modulation screw tapered end 11 is tapered end face 111；
S3：One sleeve 20 is provided, the sleeve 20 is socketed on outside the frequency modulation screw tapered end 11；
S4：The end that the sleeve 20 is set near the tapered end face 111 is sleeve section 21；
S5：A fastener 30 is provided, the fastener 30 is connected with the sleeve 20 and the sleeve 20 is locked into connection
In on the frequency modulation screw tapered end 11 so that forming frequency adjustment spacing H between the sleeve section 21 and the tapered end face 111；
S6：Spacing H is adjusted with the frequency frequency modulation screw 40 is locked into compartment 50 as adjustment frequency.
The microwave converter frequency modulation method of the embodiment of the present invention, can accurately position and can automatically by frequency modulation screw 40
In tuning range needed for fixed product, artificial would not blindly be adjusted when instrument test is adjusted, greatly reduce people
Work cost simultaneously reduces damage and the scrappage of product；And, without manually specially going concern frequency modulation screw 40 to sink to position, rise
To good foolproof function.
The microwave converter frequency modulation method of the embodiment of the present invention can be filled by the microwave converter frequency modulation of above-described embodiment
Put realization.
Understand that the present invention is have simplify manual work difficulty, improve production capacity, reduces cost and scrappage in sum
Deng good characteristic, be able to make it that there is practicality the efficiency that does not have in conventional art using upper, is promoted, as a pole
The product having practical value.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in think of of the invention
Want with any modification, equivalent or the improvement made within principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of microwave converter frequency modulation device, it is characterised in that including frequency modulation part, sleeve and fastener, the frequency modulation part bag
Frequency modulation screw tapered end is included, the leading section of the frequency modulation screw tapered end is provided with tapered end face, and the sleeve is socketed on the frequency modulation screw
Outside tapered end, and the end in the close tapered end face of the sleeve is provided with sleeve section, the fastener and the sleeve connection and general
The sleeve lock is close to and is connected on the frequency modulation screw tapered end so that forming frequency is adjusted between the sleeve section and the tapered end face
Whole spacing.
2. microwave converter frequency modulation device according to claim 1, it is characterised in that the sidepiece of the frequency modulation screw tapered end
It is provided with the graduation mark of the length for indicating the frequency adjustment spacing.
3. microwave converter frequency modulation device according to claim 1, it is characterised in that the sidepiece of the sleeve is provided with fastening
Hole, the fastener wears the fastener hole and the fastener hole adaptation and be connected, and the fastener end press on described in
The sidepiece of frequency modulation screw tapered end.
4. microwave converter frequency modulation device according to claim 1, it is characterised in that the frequency modulation part also includes spacing
Platform, the limiting stand is located at the rearward end of the frequency modulation screw tapered end for limiting the sleeve from the frequency modulation screw tapered end
Rearward end abjection.
5. microwave converter frequency modulation device according to claim 4, it is characterised in that the frequency modulation part also includes holding
Handle, the holding handle is connected with the limiting stand, and the limiting stand be located at it is described holding handle and the frequency modulation screw tapered end it
Between.
6. microwave converter frequency modulation device according to claim 5, it is characterised in that the holding handle and the limiting stand
It is first body formed with the frequency modulation screwed lock.
7. microwave converter frequency modulation device according to claim 3, it is characterised in that the fastener hole is screwed hole, institute
Fastener is stated for bolt, screw or screw.
8. the microwave converter frequency modulation device according to any one of claim 1~7, it is characterised in that the frequency modulation screw
The section of tapered end is polygon-shaped.
9. microwave converter frequency modulation device according to claim 8, it is characterised in that it is described it is polygon-shaped be hexagonal configuration
Or octagonal shape.
10. a kind of microwave converter frequency modulation method, it is characterised in that comprise the following steps：
S1：There is provided one has the frequency modulation part of frequency modulation screw tapered end；
S2：The leading section for setting the frequency modulation screw tapered end is tapered end face；
S3：One sleeve is provided, the sleeve is socketed on outside the frequency modulation screw tapered end；
S4：The end that the sleeve is set near the tapered end face is sleeve section；
S5：There is provided a fastener, be simultaneously close to for the sleeve lock be connected to the frequency modulation spiral shell by the fastener and the sleeve connection
So that forming frequency adjusts spacing between the sleeve section and the tapered end face on silk tapered end；
S6：Spacing is adjusted with the frequency frequency modulation screw is locked into compartment as adjustment frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033944.2A CN106713198B (en) | 2017-01-18 | 2017-01-18 | Frequency modulation device and frequency modulation method for microwave frequency converter |
| PCT/CN2017/087758 WO2018133298A1 (en) | 2017-01-18 | 2017-06-09 | Frequency modulation device for microwave frequency converter and frequency modulation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033944.2A CN106713198B (en) | 2017-01-18 | 2017-01-18 | Frequency modulation device and frequency modulation method for microwave frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106713198A true CN106713198A (en) | 2017-05-24 |
| CN106713198B CN106713198B (en) | 2024-05-28 |
Family
ID=58908489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033944.2A Active CN106713198B (en) | 2017-01-18 | 2017-01-18 | Frequency modulation device and frequency modulation method for microwave frequency converter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106713198B (en) |
| WO (1) | WO2018133298A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133298A1 (en) * | 2017-01-18 | 2018-07-26 | 华讯方舟科技有限公司 | Frequency modulation device for microwave frequency converter and frequency modulation method therefor |
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| CN2182496Y (en) * | 1993-12-01 | 1994-11-09 | 全一电子股份有限公司 | Frequency adjustable single-frequency device |
| US6337611B1 (en) * | 1998-12-21 | 2002-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Sleeve in a radio frequency filter |
| CN203326068U (en) * | 2013-05-13 | 2013-12-04 | 深圳市威通科技有限公司 | Tuning sleeve assembly and coaxial cavity filter |
| CN205376695U (en) * | 2015-12-31 | 2016-07-06 | 东莞鸿爱斯通信科技有限公司 | Frequency modulation subassembly and cavity filter |
| CN206433019U (en) * | 2017-01-18 | 2017-08-22 | 华讯方舟科技（湖北）有限公司 | Microwave converter frequency modulation device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2871064B1 (en) * | 2004-06-08 | 2007-07-06 | Transderma Systems | ULTRASONIC WAVE TRANSDUCER FOR PERMEABILIZING SURFACE LAYERS OF EPIDERMA |
| CN103811836B (en) * | 2012-11-07 | 2019-03-01 | 深圳市大富科技股份有限公司 | A kind of cavity body filter and screw device |
| CN106713198B (en) * | 2017-01-18 | 2024-05-28 | 深圳市华讯方舟光电技术有限公司 | Frequency modulation device and frequency modulation method for microwave frequency converter |
-
2017
- 2017-01-18 CN CN201710033944.2A patent/CN106713198B/en active Active
- 2017-06-09 WO PCT/CN2017/087758 patent/WO2018133298A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182496Y (en) * | 1993-12-01 | 1994-11-09 | 全一电子股份有限公司 | Frequency adjustable single-frequency device |
| US6337611B1 (en) * | 1998-12-21 | 2002-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Sleeve in a radio frequency filter |
| CN203326068U (en) * | 2013-05-13 | 2013-12-04 | 深圳市威通科技有限公司 | Tuning sleeve assembly and coaxial cavity filter |
| CN205376695U (en) * | 2015-12-31 | 2016-07-06 | 东莞鸿爱斯通信科技有限公司 | Frequency modulation subassembly and cavity filter |
| CN206433019U (en) * | 2017-01-18 | 2017-08-22 | 华讯方舟科技（湖北）有限公司 | Microwave converter frequency modulation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133298A1 (en) * | 2017-01-18 | 2018-07-26 | 华讯方舟科技有限公司 | Frequency modulation device for microwave frequency converter and frequency modulation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018133298A1 (en) | 2018-07-26 |
| CN106713198B (en) | 2024-05-28 |
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