CN102820508A - Device coupling HF signal along signal path - Google Patents
Device coupling HF signal along signal path Download PDFInfo
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- CN102820508A CN102820508A CN2012101520127A CN201210152012A CN102820508A CN 102820508 A CN102820508 A CN 102820508A CN 2012101520127 A CN2012101520127 A CN 2012101520127A CN 201210152012 A CN201210152012 A CN 201210152012A CN 102820508 A CN102820508 A CN 102820508A
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- coupling
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- coupled structure
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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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- 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
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/183—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers at least one of the guides being a coaxial line
Abstract
The invention relates to a device coupling HF signals along a signal path. The signal path is extended between a first coaxial HF connection structure and a second coaxial HF connection structure. Two coaxial HF connection structures are respectively provided with inner conductors which are connected by a line structure with each other. The line structure is coupled with a conductive coupling structure in a capacitive manner. The HF signals are coupled by the coupling structure along the signal path. The present invention also relates to a device for inputting at least two HF signal couplings which can be distributed with different emission channels to a common emission line, wherein each emission channel is assigned with a band-pass filter signal path which is coupled with the signal path. In order to input at least two HF signal couplings respectively to the common emission line, a device is arranged according to one of claim 1-10. So, the coupling structures are in capacitive coupling with the band-pass filters of corresponding emission channels. Each HF connection structure of the two devices is coupled with each other in the HF aspect. The line structures of the two devices and the two HF connection structures are coupled to form the common emission line in the HF aspect.
Description
Technical field
The present invention relates to a kind of being used for along the device of signal path coupling (i.e. coupling input or coupling output) HF signal.In addition; Having described a kind of being used for is input to a device on the common emission circuit with the coupling of at least two HF signals; Said at least two HF signals are applied to respectively on the distinct transmit passage; Wherein, each transmission channel has distributed a band pass filter, and corresponding transmission channel is coupled on the emission circuit through said band pass filter.
Background technology
Pilosity is penetrated branch to device (Mehrsendeweichen)---and promptly so-called " Manifold mixer " is used for two or more transmission channels are connected to a common antenna traces in the radio broadcasting field.At this, so connect reflector, make their non-interference as far as possible.The frequency difference of transmission channel is more little, and then so-called uncoupling is just more difficult.According under the less situation of the channel pitch of frequency or also under the situation of tunable tranmitting frequency, use the filter branch to device usually, wherein, realize uncoupling through the narrow band filter that is connected to the reflector back.It also can be used to suppress simultaneously spurious emissions and therefore be used as integrated shielding filter.Filter output is suitable for so connecting through the corresponding matched network, makes in the operation passage, to have good as far as possible coupling.Yet, not matching in the outside existence of operation passage, feasible HF signal with the frequency beyond the operation passage is reflected to a great extent and does not therefore perhaps propagate towards antenna at least greatly damply towards the antenna propagation.
This matching network realizes that by means of pipeline wherein, line length makes useful signal as far as possible only on antenna direction, propagate respectively usually.
In order to set forth known Manifold structure,, wherein, be coupled on the common antenna traces A with reference to Fig. 3 filter F1 to Fn inductance type.Said antenna traces A passes (hindurchschleifen) each filter F1 to Fn here respectively successively, promptly on each of filter, has input gate and the out gate B that is used for antenna traces respectively at outlet side
Ein, B
AusTherefore, filter has three doors or splicing ear, promptly is used for the said input gate and the out gate B of antenna connection line
Ein, B
AusAnd filter input end F
Ein, the feed-in that transmits accordingly on said filter input end is to carry out filtering.Antenna traces A finishes with antenna output end AT at outlet side at a side short circuit K.
Disclose a kind of directional coupler with two coupling output branch roads by US 2009/0045887A1, its electrical length is shorter than λ/4.Realize the good directional characteristic of said device through following mode: coupling output branch road is electrically connected to each other on an end.In addition, one in the coupling output branch road is finished with tunable impedance on another end, and another coupling output branch road keeps open.
Disclose a kind of pilosity by DE 695 15 815T2 and penetrated branch to device, it has by what circuit, jockey (T branch) and stub device were formed and adds overall network, wherein, realizes coupling through the electrical length that changes stub by means of the control signal of being carried.
Summary of the invention
The present invention based on task be to propose a kind of being used for along the device of signal path coupling HF; It is so constructed, and makes the natural resonance that possibly between corresponding filter and coupling input position, occur along signal path be positioned at operating frequency range frequency range in addition at least.In addition, coupling device will likewise be suitable for the coupling of different filter types, and is that various filter types provide connection possibility more flexibly through said mode.In addition; Proposing a kind of being used for is input to a favourable device of cost on the common emission circuit with the coupling of at least two HF signals; Wherein, Said at least two HF signals are assigned a transmission channel respectively, are connected with a band pass filter respectively along said transmission channel, and said band pass filter will be launched circuit accordingly and be coupled on the said signal path.
In claim 1 and 10, explained the present invention based on the solution of task.Advantageously expanded the characteristic of the present invention's design by the theme of dependent claims and with reference to the description of embodiment.
According to the solution of task of the present invention based on following thought: the coupling HF signal along signal path condenser type ground, wherein, coupling capacitance places signal path.
Be used for along the device of signal path coupling HF signal according to the solution requirement protection is a kind of; Wherein, Said signal path extends between the first coaxial HF syndeton and the second coaxial HF syndeton, and wherein, these two coaxial HF syndetons have the inner wire that is electrically connected to each other through a line construction respectively; And the coupled structure condenser type ground of a said line construction and conduction coupling can be along the signal path HF signal that is coupled through said coupled structure.Said line construction connects these two coaxial HF syndetons each other continuously.Line structure along the line is offered directed hole or the opening in longitudinal extension substantial lateral ground with respect to line construction, and first section of said coupled structure passes said hole or opening.First section and the line construction of coupled structure are spaced apart from each other by means of insulator.The HF signal can be between first section of coupled structure and line construction capacitive couplings.
In principle, said device also is suitable for the HF signal is transmitted from signal path coupling output and through coupled structure and connected filter cell fully.Yet preferably, said device is suitable for the HF signal is input in the signal path between the coaxial HF syndeton through the coupled structure coupling.
In addition, have realized that according to solution above coupling device can be with acting on the basic structure that near few two HF signals coupling is input to the structure of a device on the common emission circuit.This device is the theme of claim 10.In said at least two HF signals each is applied on the transmission channel, is connected with a band pass filter respectively along said transmission channel, and said band pass filter will be launched circuit accordingly and be coupled on the said signal line.According to solution; For said at least two HF signals coupling is input on the said common emission circuit; Be provided with an above-described coupling device for each emission circuit; Wherein, distribute to each coupling device the coupled structure condenser type be coupled on the band pass filter of corresponding transmission channel.In addition; The HF syndeton of each coupling device respectively aspect HF
be connected to each other or be coupled, make the line construction that between the HF of two coupling devices syndeton, extends and form said common emission circuit in HF syndeton coupled to each other aspect the HF respectively.
Description of drawings
For further describe according to claim 1 according to the coupling device of solution and according to the device of claim 10, below with reference to corresponding specific embodiment, but do not limit according to general design of the present invention.
Accompanying drawing illustrates:
Fig. 1: according to the sketch map of the device (abbreviation coupling device) that is used for being coupled along signal path of solution,
Fig. 2: have along the schematic diagram of the device of a plurality of HF signals of emission circuit condenser type ground coupling input,
Fig. 3: the sketch map of known Manifold structure.
Embodiment
The coupling device that is used for along signal path SP coupling HF signal HF is shown at the device shown in Fig. 1 simplifiedly; Said signal path form with line construction 5 between the first coaxial HF syndeton 1 of coupled structure and the second coaxial HF syndeton 2 is extended, and said line construction is connected to each other two inner wires 3,4 of coaxial HF syndeton 1,2.The coupled structure 12 line structures along the line 5 condenser type ground coupling of conduction, HF signal HF can be input among the signal path SP or coupling output from signal path SP through said coupled structure coupling.Be input in the situation among the signal path SP in the signal coupling, from unshowned emission circuit aspect HF signal HF be provided, said emission circuit is coupled on the coupling device through coupled structure 12 through filter apparatus B.
For reduced representation, HF syndeton 1,2 only is expressed as the rectangle symbol, and is such as shown filter B, and said filter can connect 19 through suitable joint and be placed in removably regularly on the housing 11 that surrounds coupling device.In addition, housing 11 is so implemented, and makes it can be opened or have unlimited or closeable opening in a plurality of positions, so that can realize simple assembling.Schematically show inner wire 3,4 and line construction 5 equally, that is to say, size and configuration (especially the zone of the transition from inner wire 3,4 to line construction 5) can greatly be different from the geometry shown in the said figure.Those skilled in the art can be as requested---and for example the power, wave resistance, coupling capacitance, compressive resistance or the like of wavelength, the HF signal size of being correlated with is confirmed.
For fear of transmission or the power loss when transmitting the HF signal, line construction 5 is preferably processed by brass, copper, aluminium, silver or gold.Also can consider the one manufacturing of line construction of processing by copper, brass or aluminium 5 and the face coat that constitutes by silver metal golden or similar good conductive.
As from can seeing the embodiment shown in Fig. 1; The first coaxial HF syndeton 1 and the second coaxial HF syndeton 2 are placed in the shell nozzle place respectively on housing 11, inner wire 3,4 line constructions 5 connected to one another of HF syndeton 1,2 are incorporated in its enclosure interior.First section of the roofbolt columnar structure of coupled structure 12 is positioned at the inside of housing 11 and accurately so is bearing in the inside of the insulator 7 of hollow cylindrical ordinatedly, makes first section 6 of coupled structure 12 not only can rotate but also can move along bar longitudinal axis 14 around its bar longitudinal axis 14.Rotate and vertically move by means of device 15 shaft-like or pin columnar structure, said device cooperates indirectly or directly with first section 6 of coupled structure 12 and passes housing wall 10 protruding housings 11.Can be through on the housing or the outer corresponding retaining device of housing vertically moving of coming that stop regulates.
In addition, housing 11 with first housing wall, 10 opposed second housing walls 18 on have opening 9, coupled structure 12 pass opening 9 with first section 6 at second section 8 that is connected aspect the HF.
On second housing wall 18, also be mounted with syndeton 19; For example the outside HF assembly 20 of filter B form mechanically is arranged on the said syndeton 19 removably regularly, and HF signal HF can be input to the coupled structure 12 and first section, 6 condenser type ground through coupled structure 12 are coupled through the tubular capacitor device and are input in the line construction 5 through the coupling of second section 8 from said outside HF assembly.
Second section 8 of coupled structure 12 is at distolateral profile with tabular or plate-like, and it is used for and outside HF assembly 20 capacitive couplings.In order to make the external signal coupling between coupled structure 12 and the external module optimum, by means of shaft-like device 15 coupled structure 12 is vertically moved at least and work.When the profile of for example distolateral tabular or plate-like has the shape that is different from about the rotational symmetry of bar longitudinal axis 14, but the also rotation of Considering Coupling Effect structure 12 distaff longitudinal axis 14.
The glamour according to solution of coupling device especially is; The electric coupling relation of capacitive coupling input area and geometrical arrangements (it has the form of tubular capacitor structure in said embodiment) line structure 5 along the line, promptly remain unchanged, and be responsible for simultaneously: can carry out the change that external module 20 is coupled to the coupled relation on the coupling device individually optimizing on the meaning along signal path SP.Cramped construction through coupling device can also be constructed the line length between capacitive coupling input area and the external module as far as possible shortly; Have advantage aspect the formation natural resonance thus, the frequency range that said natural resonance preferably is being arranged in beyond the operating frequency range under the short situation of line length forms.Can be to coupling device through the turnability of coupled structure 12 and/or vertically moving property with the different external component placement.Therefore, need not the heteroid coupling device of deposit as so far.In addition; Coupling device according to solution is a temperature-insensitive because maybe by temperature decision, especially in said embodiment, have the bulking effect that occurs in the zone of capacitive coupling input area of tubular capacitor planform because the rotation symmetric construction about the bar longitudinal axis presents isotropism and so offsets.Especially, the expansion by the temperature decision of insulator only faintly influences stiffness of coupling owing to selected geometry.
Substitute in the form of implementation shown in Fig. 1---wherein HF syndeton 1,2 and shell nozzle 9 are positioned on the opposed housing wall, can consider that also other settle deformation program arbitrarily.For example, HF syndeton 1,2 can be arranged on the adjacent or identical housing wall with opening 9.Those skilled in the art can select suitable arrangement and the said device of modify.
In Fig. 2, illustrated be used for at least two HF signals (n HF signal here---HF1, HF2 ..., HFn) coupling is input to the embodiment of a device on the common emission circuit S.This device is also referred to as multiple love dart branch to device or Manifold mixer.N HF signal be applied to respectively separated from one anotherly each emission circuit S1, S2 ..., Sn is last, these emission circuits respectively through band pass filter B1...Bn condenser type be coupled on the said common emission circuit S.Said common emission circuit S (it typically is an antenna traces) is with line of departure terminal portion 22 short circuit on a side, and opposed line of departure terminal portion 25 is antenna output end AT.
Each emission circuit S1 ..., Sn through band pass filter B1, B2 ..., the coupling of Bn condenser type ground be input to launch the coupling input position O1 that belongs among the circuit S, O2 ..., On has the circuit fore-and-aft distance corresponding to the odd of λ i/4 with respect to the K of short circuit portion of a side respectively; Wherein, λ i is corresponding to the wavelength of launching the HF signal of circuit along i.Therewith correspondingly, select between coupling input position O1 and O2 or O2 and O3 or the like and the short circuit portion each part of path 22,23,24 ....Therefore, said system can expand arbitrarily, promptly is provided with the part of path that another correspondingly confirms size for any other transmission channel of importing of waiting to be coupled, and it forms the part of emission circuit S.
Respectively by means of the coupled structure of in Fig. 1, setting forth in detail 21 can distribute to each emission circuit S1, S2 ..., the HF signal HF1 of Sn, HF2 ..., the HFn coupling is input among the emission circuit S.In Fig. 2, mark coupled structure 21 relatively with each emission circuit respectively through the corresponding frame that is shown in dotted line.
For along corresponding line construction and therefore along whole emission circuit S condenser type ground coupling import each HF signal HF1, HF2 ..., HFn; Each coupling device 21 has a tubular capacitor structure, and it has combined the embodiment among Fig. 1 to set forth.
The HF signal is coupled on the emission circuit S through the tubular capacitor structure condenser type and remains unchanged, the capacitive couplings of coupling device 21 can be respectively with filter B1 ..., the coupled relation of Bn is complementary.Typically, band pass filter B1, B2 ..., Bn is configured to the cavity resonance filter be made up of at cavity resonator coupled to each other aspect the HF one or more respectively.Can get into through second section 8 of coupled structure 12 depth of invasion (referring to Fig. 1) in the inner space of cavity resonator of band pass filters regulate coupling device 21 aspect the HF with corresponding band pass filter B1, B2 ..., the coupling of Bn; Its mode is, can change the depth of invasion of second section 8 through vertically moving of whole coupled structure 12 through installing 15.
Reference numerals list
1,2 coaxial syndetons
3, the inner wire of 4 syndetons
5 line constructions
First section of 6 coupled structures
7 insulators
Second section of 8 coupled structures
Opening in 9 second housing walls
10 first housing walls
11 housings
12 coupled structures exist 6 and 8
13 holes, opening
14 bar longitudinal axis
15 devices
18 second housing walls
19 syndetons
20 HF assemblies
21 are used for along the device of signal path coupling HF signal
22,23,24 part of paths
HF1, HF2 HF signal
S1, S2 transmission channel
The B band pass filter
λ
1, λ
2The wavelength of HF signal HF1, HF2
S launches circuit
K short circuit portion
O1, the O2 input position that is coupled
The SP signal path
The AT antenna output end
Claims (14)
1. be used for along the device of signal path (SP) coupling HF signal, said signal path extends between the first coaxial HF syndeton and the second coaxial HF syndeton, wherein; Said two coaxial HF syndetons (1; 2) have the inner wire (3,4) that is electrically connected to each other through line construction (5) respectively, and said line construction (5) and coupled structure (12) the condenser type ground coupling of conducting electricity; Can be through said coupled structure along the said HF signal of said signal path (SP) coupling
Wherein, said line construction (5) is connected to each other said two coaxial HF syndetons (1,2) continuously,
Offer directed hole or the opening (13) in longitudinal extension substantial lateral ground with respect to said line construction (5) along said line construction (5), first section (6) of said coupled structure (12) passes said hole or opening,
First section (6) and the said line construction (5) of said coupled structure (12) are spaced apart from each other by means of insulator (7), and
Said HF signal can condenser type ground coupling between first section (6) of said coupled structure (12) and said line construction (5).
2. device according to claim 1 is characterized in that,
Said line construction (5) is a Construction integration.
3. device according to claim 1 and 2 is characterized in that,
First section (6) of said coupled structure (12) is configured to shaft-like, and said insulator (7) is configured to sleeve-like, and the said insulator (7) of sleeve-like surrounds shaft-like first section (6) of said coupled structure (12) at least in part diametrically.
4. device according to claim 3 is characterized in that,
First section (6) of said coupled structure, said insulator (7) and said line construction (5) form tubular capacitor in the zone of said hole or opening (13).
5. according to claim 3 or 4 described devices, it is characterized in that,
Shaft-like first section (6) of said coupled structure (12) has bar longitudinal axis (14), and said bar longitudinal axis is pivot center simultaneously, and said coupled structure (12) can and/or can support around said pivot axis ground in the vertical movably.
6. according to each described device in the claim 1 to 5, it is characterized in that,
The said first coaxial HF syndeton and the said second coaxial HF syndeton (1,2) are placed on the housing (11), and inner wire (3, the 4) line construction connected to one another (5) of said HF syndeton (1,2) is incorporated in the enclosure interior of said housing.
7. device according to claim 6 is characterized in that,
First section (6) of said at least coupled structure (12) is placed in the inside of said housing (11) and cooperates indirectly or directly with a device (15); Said device passes the protruding said housing of first housing wall (10) (11), and said coupled structure (12) can be rotated and/or vertically move by means of said device (15).
8. device according to claim 7 is characterized in that,
Said housing (11) with opposed second housing wall of said first housing wall (10) (18) on have opening (9), said coupled structure (12) pass said opening with said first section (6) at second section (8) that is connected aspect the HF, and
On said second housing wall (18), be mounted with syndeton (19); HF assembly (20) can be arranged on the said syndeton, and a HF signal can be input to the said coupled structure (12) through said second section (8) coupling and first section (6) through said coupled structure (12) is coupled and is input in the said line construction (5) from said HF assembly.
9. device according to claim 8 is characterized in that,
Second section (8) of said coupled structure (12) has the tabular profile or the profile of plate-like.
10. be used for at least two HF signals (HF1, HF2) coupling be input to a device on the common emission circuit (S), wherein; Said at least two HF signals (HF1, HF2) be assigned respectively a transmission channel (S1, S2); Be connected with a band pass filter (B) respectively along said transmission channel; Said band pass filter will be launched circuit accordingly, and (S1 S2) is coupled on the said signal path (S)
It is characterized in that,
For with said at least two HF signal (HF1; HF2) coupling is input on the said common emission circuit (S) and is respectively equipped with according to each described device in the claim 1 to 9; Make said coupled structure (12) be coupled to corresponding transmission channel (S1 respectively condenser type; S2) on the band pass filter (B), and
Each HF syndeton (1,2) of two devices is coupled to each other aspect HF, and the line construction of two devices (5) and the coupling of two HF syndetons (2,1) aspect HF form said common emission circuit (S).
11. device according to claim 10 is characterized in that,
Said band pass filter is by one or more cavity resonance filters of forming at cavity resonator coupled to each other aspect the HF.
12. device according to claim 11 is characterized in that,
Said coupled structure (12) and the coupling of said band pass filter aspect HF can be through said coupled structure (12) the inner space of cavity resonator of the said band pass filter of second section (8) entering in depth of invasion regulate.
13. device according to claim 12 is characterized in that,
The depth of invasion of said second section (8) can change through vertically moving of said device (15) through whole coupled structure (12).
14. according to each described device in the claim 10 to 13, it is characterized in that,
(HF1 HF2) can correspond respectively to a wavelength (λ to said at least two HF signals
1, λ
2),
Said emission circuit (S) on an end at short circuit aspect the HF,
Said at least two HF signals (HF1, HF2) can along said emission circuit (S) be coupled respectively be input to the different coupling input position (O1, O2) on, and
(O1, O2) end with respect to the short circuit of said emission circuit has corresponding to λ respectively said coupling input position
1/ 4 or λ
2The distance of/4 odd.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110106350 DE102011106350B4 (en) | 2011-06-08 | 2011-06-08 | Device for coupling an RF signal along a signal path |
| DE102011106350.5 | 2011-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102820508A true CN102820508A (en) | 2012-12-12 |
| CN102820508B CN102820508B (en) | 2016-11-02 |
Family
ID=46087413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210152012.7A Active CN102820508B (en) | 2011-06-08 | 2012-05-16 | For the device along signal path coupling HF signal |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2533354B1 (en) |
| CN (1) | CN102820508B (en) |
| DE (1) | DE102011106350B4 (en) |
| ES (1) | ES2689716T3 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708767A (en) * | 1970-05-27 | 1973-01-02 | Nat Res Dev | Waveguide coupling device |
| CN1358339A (en) * | 2000-01-20 | 2002-07-10 | 凯特莱恩工厂股份公司 | Circuit for dividing or bringing together high-frequency performances |
| US20090284332A1 (en) * | 2008-05-15 | 2009-11-19 | Silicon Valley Medical Instruments, Inc. | Ivus system with rotary capacitive coupling |
| CN201369382Y (en) * | 2009-02-23 | 2009-12-23 | 南京捷希科技有限公司 | Cavity directional coupler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB607200A (en) * | 1943-11-29 | 1948-08-26 | British Thomson Houston Co Ltd | Improvements in and relating to radio frequency coupling arrangements |
| FI96550C (en) * | 1994-06-30 | 1996-07-10 | Nokia Telecommunications Oy | The summing network |
| FI20065144A (en) * | 2006-02-28 | 2007-08-29 | Filtronic Comtek Oy | directional Couplers |
| US7864001B2 (en) * | 2006-04-14 | 2011-01-04 | Spx Corporation | Manifold combiner for multi-station broadcast sites apparatus and method |
| RU2410803C1 (en) * | 2010-01-28 | 2011-01-27 | Общество С Ограниченной Ответственностью "Верител" | Coaxial cable coupler |
-
2011
- 2011-06-08 DE DE201110106350 patent/DE102011106350B4/en not_active Expired - Fee Related
-
2012
- 2012-03-30 ES ES12002362.7T patent/ES2689716T3/en active Active
- 2012-03-30 EP EP12002362.7A patent/EP2533354B1/en active Active
- 2012-05-16 CN CN201210152012.7A patent/CN102820508B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708767A (en) * | 1970-05-27 | 1973-01-02 | Nat Res Dev | Waveguide coupling device |
| CN1358339A (en) * | 2000-01-20 | 2002-07-10 | 凯特莱恩工厂股份公司 | Circuit for dividing or bringing together high-frequency performances |
| US20090284332A1 (en) * | 2008-05-15 | 2009-11-19 | Silicon Valley Medical Instruments, Inc. | Ivus system with rotary capacitive coupling |
| CN201369382Y (en) * | 2009-02-23 | 2009-12-23 | 南京捷希科技有限公司 | Cavity directional coupler |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011106350B4 (en) | 2014-05-15 |
| DE102011106350A1 (en) | 2012-12-13 |
| EP2533354B1 (en) | 2018-07-04 |
| CN102820508B (en) | 2016-11-02 |
| EP2533354A2 (en) | 2012-12-12 |
| ES2689716T3 (en) | 2018-11-15 |
| EP2533354A3 (en) | 2014-05-14 |
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Free format text: CORRECT: APPLICANT; FROM: SPINNER GMBH ELEKTROTECH TO: SPINNER GMBH ELEKTROTECH (DE) |
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Application publication date: 20121212 Assignee: Can communication equipment (Shanghai) Co., Ltd. Assignor: Spinner GmbH Elektrotech (DE) Contract record no.: 2009990001001 Denomination of invention: Device coupling HF signal along signal path License type: Exclusive License Record date: 20090907 |
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