CN107146928B - Fm components and filter - Google Patents
Fm components and filter Download PDFInfo
- Publication number
- CN107146928B CN107146928B CN201710144369.3A CN201710144369A CN107146928B CN 107146928 B CN107146928 B CN 107146928B CN 201710144369 A CN201710144369 A CN 201710144369A CN 107146928 B CN107146928 B CN 107146928B
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- Prior art keywords
- regulating part
- regulating
- pedestal
- output board
- fixedly connected
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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Abstract
The present invention relates to technical field of electronic communication, it is intended to the technical issues of depth of parallelism of the two sides and pedestal that solve fm components output board in the prior art occurs larger fluctuation, influences the transmission precision of regulating device.The present invention provides a kind of fm components, which includes pedestal, the output board being fixedly connected with the filter plate of filter, is arranged between the pedestal and the output board and is used to adjust two regulating mechanisms in gap between the pedestal and the output board, is arranged between two regulating mechanisms and for providing the power mechanism of power for the regulating mechanism and being fixedly connected on the pedestal and for the transport mechanism by the power by the power mechanism synchronous driving to two regulating mechanisms.In the present invention, the power from power mechanism is synchronized after being sent to regulating mechanism, can be guaranteed the displacement having the same of output board two sides, be reduced the swing of output board, to keep the frequency modulation of fm components more accurate.
Description
Technical field
The present invention relates to technical field of electronic communication more particularly to a kind of fm components and filter.
Background technique
Filter is by adjusting filter-incorporated filter board unit spatial joint clearance, so that the waveform frequency range of filter be made to reach
Required value.Filter can be filtered various power supplys, signal etc., guarantee the stability and reliability of circuit operation, be
Important Components in electronic communication field.
The fm components of filter in the prior art use the single screw rod delivery form in middle part, the screw rod peace of this structure
Mounted in the middle part of output board, screw rod is using unilateral cantilever design, and due to structural rigidity deficiency, screw rod output end is sent out in rotation process
Raw to swing, larger fluctuation occurs for the depth of parallelism of the two sides and pedestal that lead to output board, influences the transmission precision and filter of regulating device
The accuracy of wave device waveform frequency range.
Summary of the invention
The purpose of the present invention is to provide a kind of fm components, it is intended to which the screw rod for solving fm components in the prior art exists
It is swung in rotation process, larger fluctuation occurs for the depth of parallelism of the two sides and pedestal that lead to output board, influences regulating device
The technical issues of accuracy of transmission precision and filter shape frequency range.
In view of the above technical problems, the present invention provides a kind of fm components, which includes pedestal and filter
Filter plate be fixedly connected output board, be arranged between the pedestal and the output board and for adjusting the pedestal and institute
Two regulating mechanisms in gap between output board are stated, are arranged between two regulating mechanisms and for being the regulating mechanism
The power mechanism of power is provided and is fixedly connected on the pedestal and is passed for synchronizing the power by the power mechanism
It send to the transport mechanism of two regulating mechanisms, it is two long to be symmetrically disposed in the output board for two regulating mechanisms
The two sides of the midpoint line on side, the regulating mechanism include the first regulating part being fixedly connected on the pedestal and are fixedly connected
The second regulating part on the output board, second regulating part and the output board are set on first regulating part,
First regulating part is threadedly engaged with second regulating part, and first regulating part is under the driving of the power around described
The axial-rotation of first regulating part is simultaneously able to drive second regulating part along the axial movement of first regulating part.
Preferably, the transport mechanism include be fixedly connected on the output end of the power mechanism the first transmission gear and
The parallel axes wheel system that both ends are engaged with first transmission gear and first regulating part respectively, the parallel axes wheel system
There are two groups, parallel axes wheel system described in two groups is symmetrically disposed in the opposite sides of first transmission gear.
Preferably, the pivot center of the parallel axes wheel system and first transmission gear is parallel to each other；It is described parallel
Axis wheel system includes several inclined transmission gears and several positive transmission gears, and the center of several positive transmission gears is located at described the
On the line at one transmission gear center and first regulating part center, the center of several inclined transmission gears is not described
On the line at one transmission gear center and first regulating part center.
Preferably, the regulating mechanism further includes being set on first regulating part and nibbling with the parallel axes wheel system
Share the driving gear axially rotated in driving first regulating part around first regulating part, the driving gear and institute
The first regulating part is stated to be fixedly connected.
Preferably, the regulating mechanism further includes being set on first regulating part and adjusting for limiting described second
Part along the axial movement of first regulating part two stop collars, second regulating part be located at two stop collars it
Between, the stop collar is fixedly connected with first regulating part.
Preferably, in being convexly equipped with first boss on one side towards second regulating part, described second adjusts the stop collar
The both ends of section part are convexly equipped with second boss, and second regulating part axially moves to two limit along first regulating part
When position, the second boss is supported with two first boss respectively.
Preferably, the fm components further include the guiding mechanism being arranged between the output board and the pedestal, institute
Guiding mechanism is stated to include the guide sleeve being fixedly connected on the pedestal, be fixedly connected on the output board and be plugged in described lead
Guide post in set and the spring being arranged between the pedestal and the output board.
Preferably, the spring is set on the guide sleeve, and the spring is in compressive state.
Preferably, the fm components further include the cover board being fixedly connected with the pedestal, and first regulating part is worn
On the cover board, first regulating part is fixedly connected by bearing with the cover board.
The present invention also provides a kind of filter, which includes fm components as described above, the frequency modulation group
Part further includes filter plate, and the filter plate is fixedly connected with the output board.
Beneficial effects of the present invention: fm components of the invention, wherein regulating mechanism is fixedly connected with output board, conveyer
The power synchronous that structure can provide power mechanism is transmitted on two regulating mechanisms, and the first regulating part of regulating mechanism is in power
Driving under around the first regulating part axial-rotation.Since the second regulating part and the first regulating part are threadedly engaged, rotation
First regulating part is able to drive the second regulating part along the axial movement of the first regulating part.Again since the second regulating part is fixedly connected on
On output board, therefore the movement of the second regulating part is able to drive the movement of output board, and then changes the filtering connecting with output board
The spatial joint clearance of plate achievees the purpose that adjust waveform frequency range with this.Two regulating mechanisms are symmetrically disposed in output in the present invention
The two sides of the center line of plate, the power from power mechanism are synchronized after being sent to regulating mechanism, can guarantee output board two sides
Displacement having the same, reduces the swing of output board, to keep the frequency modulation of fm components more accurate.
Detailed description of the invention
Fig. 1 is the schematic perspective view of fm components provided in an embodiment of the present invention；
Fig. 2 is the configuration schematic diagram of fm components provided in an embodiment of the present invention；
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2；
Fig. 4 is the schematic cross-sectional view of fm components provided in an embodiment of the present invention；
Fig. 5 is the schematic perspective view of the transport mechanism of fm components provided in an embodiment of the present invention；
Fig. 6 is the schematic perspective view of the second regulating part of fm components provided in an embodiment of the present invention；
Fig. 7 is the schematic perspective view of the stop collar of fm components provided in an embodiment of the present invention.
Label detail involved in above-mentioned attached drawing is as follows:
| 10 | Output board | 20 | Pedestal |
| 30 | Guiding mechanism | 31 | Guide post |
| 32 | Spring | 33 | Guide sleeve |
| 40 | Regulating mechanism | 41 | Stop collar |
| 42 | First regulating part | 43 | Second regulating part |
| 44 | Drive gear | 50 | Power mechanism |
| 60 | Cover board | 70 | Transport mechanism |
| 71 | First transmission gear | 72 | Parallel axes wheel system |
| 80 | Bearing | 410 | First boss |
| 430 | Second boss | 431 | Connecting plate |
| 432 | Thread barrel | 720 | Second transmission gear |
| 721 | Third transmission gear | 722 | 4th transmission gear |
| 723 | 5th transmission gear | 4100 | First support surface |
| 4300 | Second support surface | 4310 | Connecting hole |
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " thickness ", "upper", "lower", " vertical ", " parallel ",
The orientation or positional relationship of the instructions such as "bottom", " angle " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
As shown in Fig. 1,2 and Fig. 4, the present invention provides a kind of fm components, which includes pedestal 20 and filtering
Output board 10 that the filter plate (not shown) of device (not shown) is fixedly connected, setting pedestal 20 and output board 10 it
Between and for adjust gap between pedestal 20 and output board 10 two regulating mechanisms 40, be arranged between two regulating mechanisms 40
And it is used to provide the power mechanism 50 of power for regulating mechanism 40 and is fixedly connected on pedestal 20 and is used for power by power
50 synchronous driving of mechanism to two regulating mechanisms 40 transport mechanism 70.
As shown in fig. 6, output board 10 is rectangular plate, it is two long to be symmetricly set on output board 10 for two regulating mechanisms 40
The two sides of the midpoint line on side, in embodiments of the present invention, the distance of the midpoint line of two regulating mechanisms, 40 to two long sides
It is substantially equal to the 1/4 of long side length, output board 10 can be reduced to greatest extent in this way and shaken during the motion.It adjusts
Mechanism 40 includes the first regulating part 42 being fixedly connected on pedestal 20 and the second regulating part being fixedly connected on output board 10
43, the second regulating part 43 includes the connecting plate 431 for the periphery for having internal thread thread barrel 432 and being set in thread barrel 432, the
Two regulating parts 43 and output board 10 are set on the first regulating part 42, and the first regulating part 42 is threadedly engaged with the second regulating part 43,
First regulating part 42 is screw rod, and the outer jointly attack of the first regulating part 42 is equipped with external screw thread, wherein the thread barrel of the second regulating part 43
432 are threadedly engaged with the first regulating part 42, and connecting hole 4310, connecting plate 431 are provided on the connecting plate 431 of the second regulating part 43
It is fixedly connected by connecting hole 4310 with output board 10.Wherein there are two connecting holes 4310, two settings of connecting hole 4310 are even
At wherein one group of diagonal position of fishplate bar 431.First regulating part 42 is under the driving of power around the axial direction rotation of the first regulating part 42
Turn and is able to drive the second regulating part 43 along the axial movement of the first regulating part 42.
Specifically, the shape of output board 10 is rectangle, and two of output board 10 are symmetrically arranged in two regulating mechanisms 40
The two sides of the midpoint line of long side, power mechanism 50 are arranged between two regulating mechanisms 40 and between two regulating mechanisms 40
Be equidistant.In embodiments of the present invention, the distance of center line of long side of two regulating mechanisms 40 to output board 10 is equal to
The 1/4 of the length of 10 long side of output board can guarantee that all positions of 10 plane of output board all have the depth of parallelism well in this way,
It avoids swinging.In addition pedestal 20 and output board 10 are disposed in parallel relation to one another, and the first regulating part 42, in this way can be with perpendicular to output board 10
Become apparent from the effect of frequency modulation.The power mechanism 50 of the embodiment of the present invention is electric motor, and transport mechanism 70 is a series of mutual
The rotate gear of engagement, these rotate gears are symmetrical about electric motor, therefore transport mechanism 70 can be by power mechanism 50
Power synchronous is transmitted on two regulating mechanisms 40.The upper surface of output board 10 in the embodiment of the present invention offers multiple connections
Hole, which is fixedly connected by connecting hole with the filter plate of filter, therefore the movement of output board 10 was able to drive
Filter plate is mobile, and then changes filter-incorporated filter board unit spatial joint clearance, and the waveform frequency range of filter is made to reach required value.
Fm components of the invention, wherein the first regulating part 42 is fixedly connected with pedestal 20, the second regulating part 43 and output
Plate 10 is fixedly connected, and the power synchronous that power mechanism 50 provides can be transmitted on two regulating mechanisms 40 by transport mechanism 70,
First regulating part 42 of regulating mechanism 40 is under the driving of power around the axial-rotation of the first regulating part 42.Due to the second regulating part
43 are threadedly engaged with the first regulating part 42, therefore the first regulating part 42 rotated is able to drive the second regulating part 43 and adjusts along first
The axial movement of part 42.Again since the second regulating part 43 is fixedly connected on output board 10, the movement of the second regulating part 43
It is able to drive the movement of output board 10, and then changes the spatial joint clearance for the filter plate connecting with output board 10, adjustment is reached with this
The purpose of waveform frequency range.Two regulating mechanisms 40 are symmetrically disposed in the midpoint line of two long sides of output board 10 in the present invention
Two sides, the power from power mechanism 50 is synchronized after being sent to regulating mechanism 40, can guarantee that 10 two sides of output board have
Identical displacement reduces the swing of output board 10, to keep the frequency modulation of fm components more accurate.
Preferably, as shown in figure 5, transport mechanism 70 includes being fixedly connected on the first transmission of the output end of power mechanism 50
The parallel axes wheel system 72 that gear 71 and both ends are engaged with the first transmission gear 71 and the first regulating part 42 respectively.Parallel axes train
System 72 has two groups, and two groups of parallel axes wheel systems 72 are symmetrically disposed in the opposite sides in the first transmission gear 71.Specifically,
One transmission gear 71 is fixedly connected with the output end of electric motor, and two groups of parallel axes wheel systems 72 are symmetrically distributed in power mechanism 50
The right and left, therefore transport mechanism 70 power synchronous on power mechanism 50 can be sent to left and right two regulating mechanisms
40.In embodiments of the present invention, parallel axes wheel system 72 includes by the power of power mechanism 50 by the first transmission gear 71 to
The second transmission gear 720 that one regulating part 42 is sequentially transmitted, third transmission gear 721, the transmission of the 4th transmission gear the 722, the 5th
Gear 723.Second transmission gear 720 is engaged with the first transmission gear 71 and third transmission gear 721 respectively, the 5th transmission gear
723 engage with the first regulating part 42 and the 4th transmission gear 722 respectively, while third transmission gear 421 and the 4th transmission gear
722 engagements.Wherein, the center of the 4th transmission gear 722 and the 5th transmission gear 723 is located at 71 center of the first transmission gear and institute
On the line for stating 72 center of the first regulating part, the 4th transmission gear 722 and the 5th transmission gear 723 are positive transmission gears, second
In 71 center of the first transmission gear of center deviation and first regulating part 72 of transmission gear 720 and third transmission gear 721
The line of the heart, so the second transmission gear 720 and third transmission gear 721 are inclined transmission gears, not only can guarantee by
Power on power mechanism 50 is sent to regulating mechanism 40, and the rotate gear on parallel axes wheel system 72 is all in output board 10
Between pedestal 20, without departing from output board 10 and pedestal 20, make entire fm components structure simple, in this way convenient for the dress in later period
Match.Preferably, the pivot center of parallel axes wheel system 72 and the first transmission gear 71 is parallel to each other.Specifically, the first transmission tooth
Take turns the rotation axis of the 71, second transmission gear 720, third transmission gear 721, the 4th transmission gear 722 and the 5th transmission gear 723
Line is each perpendicular to pedestal 20, the second transmission gear 720, third transmission gear 721, the 4th transmission gear 722, the 5th transmission gear
723 are fixedly connected on pedestal 20, make the structure of entire fm components more stable in this way.
Preferably, regulating mechanism 40 further includes being set on the first regulating part 42 and engaging with parallel axes wheel system 72 to be used for
The driving gear 44 that axially rotates of first regulating part 42 around the first regulating part 42 is driven, gear 44 and the first regulating part 42 are driven
It is fixedly connected.Specifically, driving gear 44 is engaged with the 5th transmission gear 723 in parallel axes wheel system 72, such parallel axes
Rotation on wheel system 72 is able to drive driving gear 44 and rotates, and then drives the rotation of the first regulating part 42.
Preferably, regulating mechanism 40 further includes being set on the first regulating part 42 and for limiting the second regulating part 43 along the
Two stop collars 41 of the axial movement of one regulating part 42, the second regulating part 43 are located between two stop collars 41, stop collar 41
It is fixedly connected with the first regulating part 42.Specifically, two stop collars 41 be set on the first regulating part 42 and with the first regulating part
42 are fixedly connected, and the second regulating part 43 is located between two stop collars 41, by being arranged stop collar 41, the second regulating part 43 and defeated
Ejecting plate 10 can only move between stop collar 41, and actually fm components have met frequency modulation in the two extreme position frequency modulation
Needs can protect fm components, avoid damaging tune because adjustable range is excessive and by the position-limiting action of stop collar 41
Frequency component.
Preferably, as shown in Figure 3 and Figure 7, stop collar 41 is convexly equipped with first boss in the second regulating part 43 of direction on one side
410, the both ends of the second regulating part 43 are convexly equipped with second boss 430, axial direction fortune of second regulating part 43 along the first regulating part 42
When moving to two extreme positions, second boss 430 is supported with two first boss 410 respectively.Specifically, stop collar 41 has two
A, the first stop collar close to pedestal 20 and the second stop collar close to output board 10, the first stop collar and the second stop collar divide
First boss 410 is not formed towards the second regulating part 43 protrusion, and the both ends of the thread barrel 432 of the second regulating part 43 are respectively facing the
One stop collar and the second stop collar protrude to form 430 second regulating part of second boss, when the second regulating part 43 moves to two poles
When extreme position, second boss 430 is supported with corresponding first boss 410 respectively.First boss 410 has to be adjusted along first
The first support surface 4100 in 42 axial direction of part, second boss 430 have the second support surface in 42 axial direction of the first regulating part
4300, the first support surface 4100 and the second support surface 4300 are parallel to each other, when second boss 430 and corresponding first boss 410
When supporting, the first support surface 4100 and the second support surface 4300 are supported, and can be reduced in this way to first boss 410 and second
The impact of boss 430.
Preferably, fm components further include the guiding mechanism 30 being arranged between output board 10 and pedestal 20, guiding mechanism
30 include the guide sleeve 33 being fixedly connected on pedestal 20, the guide post 31 for being fixedly connected on output board 10 and being plugged in guide sleeve 33
And the spring 32 between pedestal 20 and output board 10 is set.Specifically, guide post 31 and guide sleeve 33 are perpendicular to output board 10, guide post
31 are plugged in guide sleeve 33 and can move in guide sleeve 33 with the change of the distance between substrate and output board 10.
Preferably, spring 32 is set on guide sleeve 33, and spring 32 is in compressive state.Spring 32 is always in compression shape
State, the elastic force of spring 32 can guarantee that output board 10 has the trend far from pedestal 20, the spiral shell of such second regulating part 43 always
The external screw thread of the internal screw thread of line cylinder 432 and the first regulating part 42 cooperates in the same side, avoids generation backhaul poor, keeps frequency modulation more smart
It is quasi-.
Preferably, fm components further include the cover board 60 being fixedly connected with pedestal 20, and the first regulating part 42 is threaded through cover board
On 60, the first regulating part 42 is fixedly connected by bearing 80 with cover board 60, and the first regulating part 42 is solid by bearing 80 and pedestal 20
Fixed connection.By the constraint of two bearings 80, the swing of 42 output end of the first regulating part can reduce, to make fm components
It is more accurate to adjust.
The present invention also provides a kind of filter, which includes fm components as described above, and fm components are also
Including filter plate, filter plate is fixedly connected with output board 10.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of fm components, it is characterised in that: the fm components include pedestal, are fixedly connected with the filter plate of filter
Output board is arranged between the pedestal and the output board and for adjusting gap between the pedestal and the output board
Two regulating mechanisms are arranged between two regulating mechanisms and for providing the power mechanism of power for the regulating mechanism
And it is fixedly connected on the pedestal and is used for the power by the power mechanism synchronous driving to two adjusting machines
The transport mechanism of structure, two regulating mechanisms are symmetrically disposed in the two of the midpoint line of two long sides of the output board
Side, the regulating mechanism include the first regulating part being fixedly connected on the pedestal and are fixedly connected on the output board
Second regulating part, second regulating part and the output board are set on first regulating part, first regulating part with
Second regulating part is threadedly engaged, and first regulating part is under the driving of the power around the axial direction of first regulating part
It rotates and is able to drive second regulating part along the axial movement of first regulating part.
2. fm components according to claim 1, it is characterised in that: the transport mechanism includes being fixedly connected on described move
First transmission gear of the output end of force mechanisms and both ends are engaged with first transmission gear and first regulating part respectively
Parallel axes wheel system, the parallel axes wheel system has two groups, and parallel axes wheel system described in two groups is symmetrically disposed in described
The opposite sides of one transmission gear.
3. fm components according to claim 2, it is characterised in that: the parallel axes wheel system and the first transmission tooth
The pivot center of wheel is parallel to each other；The parallel axes wheel system includes several inclined transmission gears and several positive transmission gears, several
The center of the positive transmission gear is located on the line at first transmission gear center and first regulating part center, several
The center of the inclined transmission gear is not on the line at first transmission gear center and first regulating part center.
4. fm components according to claim 2, it is characterised in that: the regulating mechanism further includes being set in described first
The axial direction for driving first regulating part around first regulating part is engaged on regulating part and with the parallel axes wheel system
The driving gear of rotation, the driving gear are fixedly connected with first regulating part.
5. fm components according to claim 1, it is characterised in that: the regulating mechanism further includes being set in described first
On regulating part and for limiting two stop collars of axial movement of second regulating part along first regulating part, described the
Two regulating parts are located between two stop collars, and the stop collar is fixedly connected with first regulating part.
6. fm components according to claim 5, it is characterised in that: the stop collar is in towards second regulating part
It is convexly equipped with first boss on one side, the both ends of second regulating part are convexly equipped with second boss, and second regulating part is described in
When axially moving to two extreme positions of first regulating part, the second boss are supported with two first boss respectively.
7. fm components according to claim 1, it is characterised in that: the fm components further include being arranged in the output
Guiding mechanism between plate and the pedestal, the guiding mechanism include the guide sleeve being fixedly connected on the pedestal, fixed company
It connects on the output board and the guide post being plugged in the guide sleeve and the bullet being arranged between the pedestal and the output board
Spring.
8. fm components according to claim 7, it is characterised in that: the spring is set on the guide sleeve, the bullet
Spring is in compressive state.
9. fm components according to claim 1-8, it is characterised in that: the fm components further include with it is described
The cover board that pedestal is fixedly connected, first regulating part are threaded through on the cover board, and first regulating part passes through bearing and institute
Cover board is stated to be fixedly connected.
10. a kind of filter, it is characterised in that: the filter includes such as the described in any item fm components of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144369.3A CN107146928B (en) | 2017-03-10 | 2017-03-10 | Fm components and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710144369.3A CN107146928B (en) | 2017-03-10 | 2017-03-10 | Fm components and filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107146928A CN107146928A (en) | 2017-09-08 |
| CN107146928B true CN107146928B (en) | 2019-11-15 |
Family
ID=59783780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710144369.3A Active CN107146928B (en) | 2017-03-10 | 2017-03-10 | Fm components and filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146928B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926071A (en) * | 1974-11-04 | 1975-12-16 | Culligan Int Co | Control device |
| CN102122742A (en) * | 2010-12-02 | 2011-07-13 | 宁波泰立电子科技有限公司 | Cavity filter with rotary coupling regulation structure |
| CN202564508U (en) * | 2012-04-28 | 2012-11-28 | 成都泰格微波技术股份有限公司 | Small-sized TM mold medium filter |
| CN104335413A (en) * | 2012-06-12 | 2015-02-04 | 日本电气株式会社 | Bandpass filter for which bandpass frequency can be easily changed |
| CN206558657U (en) * | 2017-03-10 | 2017-10-13 | 深圳市兆威机电有限公司 | Fm components and wave filter |
-
2017
- 2017-03-10 CN CN201710144369.3A patent/CN107146928B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926071A (en) * | 1974-11-04 | 1975-12-16 | Culligan Int Co | Control device |
| CN102122742A (en) * | 2010-12-02 | 2011-07-13 | 宁波泰立电子科技有限公司 | Cavity filter with rotary coupling regulation structure |
| CN202564508U (en) * | 2012-04-28 | 2012-11-28 | 成都泰格微波技术股份有限公司 | Small-sized TM mold medium filter |
| CN104335413A (en) * | 2012-06-12 | 2015-02-04 | 日本电气株式会社 | Bandpass filter for which bandpass frequency can be easily changed |
| CN206558657U (en) * | 2017-03-10 | 2017-10-13 | 深圳市兆威机电有限公司 | Fm components and wave filter |
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| Publication number | Publication date |
|---|---|
| CN107146928A (en) | 2017-09-08 |
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Address after: 518000 Guangdong Shenzhen Baoan District Fuyong Street Dragon King Temple Industrial Park 18 Applicant after: Shenzhen mechatronics, mechatronics and Limited by Share Ltd Address before: 518000 Guangdong Shenzhen Baoan District Fuyong Street Dragon King Temple Industrial Park 18 Applicant before: Shenzhen Zhaowei Machinery & Electronics Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |