EP1476956B1 - Dispositif de transmission de signaux entre des unites mobiles - Google Patents

Dispositif de transmission de signaux entre des unites mobiles Download PDF

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Publication number
EP1476956B1
EP1476956B1 EP03739434A EP03739434A EP1476956B1 EP 1476956 B1 EP1476956 B1 EP 1476956B1 EP 03739434 A EP03739434 A EP 03739434A EP 03739434 A EP03739434 A EP 03739434A EP 1476956 B1 EP1476956 B1 EP 1476956B1
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EP
European Patent Office
Prior art keywords
dielectric
conductor
conductor structure
layer
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03739434A
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German (de)
English (en)
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EP1476956A2 (fr
Inventor
Georg Lohr
Harry Schilling
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Schleifring und Apparatebau GmbH
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Schleifring und Apparatebau GmbH
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Publication of EP1476956A2 publication Critical patent/EP1476956A2/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/206—Microstrip transmission line antennas

Definitions

  • the invention relates to a device for transmitting electrical signals or energy between a plurality of mutually movable units.
  • ladder structures refers to all conceivable forms of conductor structures which are suitable for carrying electrical signals.
  • the signals are decoupled in the near field of the conductor structure.
  • the signal extraction should ideally take place only in the area of the second unit.
  • a further signal transmission in other areas of the conductor structure is usually undesirable in contrast to the known leakage lines, since the broadband signals can lead to disturbances in other equipment parts or devices.
  • the design and sizing principles of leakage lines, such as described in US 5,936,203, are not applicable to this type of conductor structures. Leakage lines are currently designed to radiate a certain portion of the guided RF energy over the entire length to the outside. But this is exactly what should be avoided here.
  • contactless decoupling is usually preferred because it is more reliable and maintenance free.
  • the conductor structures described here can be made either contact or contactless. Of course, adjustments according to the transfer task are possible.
  • a conductor structure for contacting transmission have a particularly good conductive surface, for example with silver coating.
  • a conductor structure for contactless transmission can be provided with a lacquer layer on the surface as corrosion protection.
  • the basic principles for designing the ladder structures are identical in these cases.
  • a particular embodiment of a contacting transfer device is described in U.S. Patent No. 5,208,581. Here also an unbalanced conductor system is described.
  • the conductor system is fed with an unbalanced signal.
  • the signal flow takes place via the middle conductor from the transmitter to the receiver and partly via one or both outer conductors or else the computed tomography system itself.
  • the reference surface here is the device itself.
  • the geometry of the reference surface is not clearly symmetrical here. Due to the asymmetrical signals with an ambiguously defined signal path and the undefined reference surface, this system radiates high RF power. Even with data rates of 50 MBaud, the current EMC standards can no longer be met without additional, expensive shielding.
  • the conductor arrangements used here for the transmission are usually constructed as strip lines or conductor structures by means of double-sided printed circuit boards.
  • a carrier and dielectric is usually a glass fiber reinforced plastic. This support is provided on one side with a continuous conductor surface as electrical reference surface or ground and on the other side with a strip-shaped conductor or the conductor structure.
  • the signal level of the transmitter can not normally be increased arbitrarily. Despite high symmetry always a low radiation takes place. With higher symmetry, the radiation is reduced and the signal levels can be further increased.
  • the dielectric must be very homogeneous over the length and especially over the width of the array.
  • Standard circuit board materials do not meet these requirements by far.
  • special printed circuit board materials such as those used for high-frequency engineering printed circuit boards, are often unsuitable here.
  • the variations in material properties are of little importance.
  • Suitable, prior art materials such as special, particularly homogeneous Teflon or ceramic materials are problematic in processing and very expensive.
  • U.S. Patent No. 5,287,117 One solution that avoids these problems from the outset is disclosed in U.S. Patent No. 5,287,117.
  • the conductor assembly is replaced by a plurality of small antenna segments. These can be manufactured on PCBs of small area with high quality materials.
  • the power supply over long distances can be achieved with high-quality coaxial cables of high shielding and low attenuation.
  • the high number of antenna segments results in a high use of material and in particular a high assembly outlay, which leads to high production costs.
  • US 2002/000936 A1 discloses a broadband microstrip line antenna having a structure of a coated dielectric, one of these layers comprising air.
  • US 5,463,404 discloses a microstrip antenna having materials having a dielectric constant tolerance of about 5%.
  • An inventive device for signal transmission comprises at least one transmitter which generates the electrical signals to be transmitted and feeds them into a conductor arrangement. At least one such conductor arrangement is arranged along the path of the movement and carries the signals fed by the transmitter. At least one receiver, which is movable relative to the transmitter and the conductor arrangement, serves to decouple the signals from the conductor arrangement. Depending on the application, a transmitter can also feed several conductor arrangements. Likewise, a conductor arrangement can be fed by several transmitters. Furthermore, it is possible to use any number of receivers for coupling signals to a conductor arrangement.
  • a conductor arrangement comprises at least one conductor structure in which electrical signals can be guided. Such a conductor structure includes one or more conductors of a preferably highly conductive material.
  • a conductor arrangement comprises at least one electrically conductive reference surface assigned to each conductor structure. Between the conductor structure and the reference surface there is at least one dielectric for insulating the conductor structure and the reference surface.
  • a dielectric optionally has a high homogeneity or a high symmetry with respect to the electrical center of the longitudinal axis of the conductor structure.
  • the symmetry term here refers to a symmetry of the electric field. Starting from the electrical center of the conductor structure, the electric field lines should be symmetrical. This can be realized, for example, with a mirror-symmetrical arrangement. Likewise, however, other implementations are conceivable, such as in the case of a layered dielectric for conductors parallel to the reference surface.
  • the layer sequence of the dielectric in the conductors may be different if the total dielectric constants are the same on both sides and the areas are the same size.
  • the symmetry of the electric field is related to an equipotential surface with a potential which corresponds to the mean potential between the active conductors, ie conductors used for signal routing.
  • a high homogeneity here means that the electrical properties, in particular the dielectric constants and the dielectric losses are subject to only slight fluctuations. Typical values of tolerances of these values are ⁇ 5% and preferably ⁇ 1%. If particularly high demands are made, tolerances of 0.1% are also appropriate.
  • the electrical parameters of the dielectric should be the same for both conductors.
  • a certain dielectric constant or a certain dissipation factor results. It is essential that these values are the same for both conductor pieces. In the further course of the conductor still changes of the values to previous sections can be tolerated, provided they are the same for both conductors.
  • a high symmetry can be achieved with the desired electrical properties
  • a high symmetry with respect to the electrical center of the longitudinal axis of the conductor structure prevents the signals in symmetric conductors or in asymmetrical conductor system with multiple conductors due to different Running times or attenuations become unbalanced.
  • a dielectric of high homogeneity and high symmetry is used.
  • the best results can be produced at a reasonable cost. If a symmetrical arrangement of the dielectric can not be achieved, the use of a high-homogeneity dielectric also brings about a significant improvement. Likewise, a symmetrical arrangement brings about an improvement, even if sufficient homogeneity of the dielectric can not be achieved.
  • the ladder structure is usually open to one side to the free space. From this side the coupling of receivers takes place. The opposite side and optionally also its boundary are closed off by symmetrical surfaces with a conductive surface. On the one hand, this makes it possible to achieve a defined impedance of the conductor system and, on the other hand, to realize a defined symmetrical limitation. If no defined reference surface were present here, then at least a part of the device in which the device is mounted would serve as an electrical reference. Certainly, the required symmetry would not be achieved here along the entire length of the conductor structure since different components or assemblies of the device would not be arranged arbitrarily symmetrical.
  • At least one dielectric comprises an air or gas layer.
  • the attenuation is low, with the same tolerance of the attenuation this has a much smaller influence on the tolerance of the signal level as with high attenuation values.
  • An example will explain this. If a given material with given geometry has a signal attenuation of 10% with a tolerance of ⁇ 10% of the attenuation, the actual attenuation value may vary between 9% and 11%. The level of the attenuated signal is thus 9% to 11% lower than the original signal. Depending on the current attenuation value, the signal level can now vary by 2%. If, on the other hand, the attenuation of the material is only 1% with the same tolerance of ⁇ 10% of the attenuation, the signal level between 0.9% and 1.1% may be attenuated from the original signal level.
  • the signal level can only vary by 0.2%. Furthermore, the amplitude of the signal is only slightly attenuated by the low attenuation value, even with long conductor structures. By a uniformly high signal level only a low dynamics of the receiver is required. At the same time, immunity to interference can be maximized since the maximum possible input level is always available to receivers.
  • At least one dielectric comprises a honeycomb or lattice-shaped structure of an insulating material.
  • the spaces or cavities are filled with air.
  • the dielectric consists of a combination of the insulating material, usually with a higher dielectric constant than air and a higher loss factor than air.
  • the electric field is now preferably by webs of insulating material, which bridge the gap between the conductors or the conductors and the reference surface run. Therefore, these bars should be designed with the smallest possible cross section. In the majority of the total area, the electric field will pass through a series circuit of insulating material and air. Here then dominate the excellent electrical properties of the air, as applied to the air paths inversely proportional to the dielectric constant higher field strength.
  • At least one dielectric comprises a foam of an insulating material.
  • the cavities of the foam are filled with air.
  • foams can be produced inexpensively and processed.
  • foaming it is also possible to use granules or air-filled hollow spheres.
  • a further embodiment of the invention consists in that at least one dielectric comprises a polyethylene foam.
  • Polyethylene is a plastic with excellent electrical properties. It is one of the insulating materials with the lowest loss factor. At the same time, inexpensive foams can be produced with this material. Processing is particularly simple and inexpensive, especially in the form of thin films with thicknesses of a few millimeters.
  • Another advantageous embodiment comprises a multilayer structure of a dielectric.
  • a multi-layered structure for example, different dielectrics with different electrical and mechanical properties can be combined.
  • particularly advantageous thin webs of mechanically stable insulating material combined with large-area arrays of dielectrics with the inclusion of air.
  • At least one dielectric has a construction of a plurality of layers arranged parallel to the conductor structure.
  • insulation materials with poor electrical properties can also be combined over a large area with insulation materials having good electrical properties, in particular if they have a lower dielectric constant.
  • the combination still relatively good electrical properties can be achieved.
  • a particularly advantageous embodiment of the invention is that a dielectric, which includes air and consequently has only a low mechanical stability is combined with at least one second insulating material in solid construction and corresponding high mechanical stability.
  • this second insulating material can be used to stabilize the combination of different dielectrics.
  • the second layer is formed as a mechanically rigid layer for fixing or stabilizing the first layer and connected thereto.
  • a connection can be done for example by positive engagement or by gluing.
  • a further advantageous embodiment of the invention is that the second layer is additionally designed as a carrier of the conductor structure.
  • a further advantageous embodiment of the invention is that at least one additional layer of conductive material or material with high conductivity and incomplete surface coverage, such as a grid structure is provided.
  • Such layers act as equipotential surfaces and help to compensate for asymmetries in the dielectric. Depending on the design or arrangement of the surfaces, these are arranged electrically isolated or even at the ends of the conductor structure reflection-free.
  • At least one dielectric comprises a structure comprising a plurality of layers arranged perpendicular to the conductor structure. Such layers can be used, for example, as a support of the conductor structure.
  • Another advantageous embodiment of the invention consists in that layers of a second, mechanically rigid insulating material are provided in a dielectric made of a first material comprising air perpendicular to the conductor structure.
  • the second material is provided as a support for fixing the conductor structure and for stabilizing the first material, if this is a foam or hollow body, for example.
  • the cross-sectional area of the supports of the second material should be as low as possible in order to influence the field as little as possible.
  • the supports can be arranged at irregular intervals to prevent resonances on the conductor system.
  • the part carrying the conductor structure has a groove for receiving at least one dielectric.
  • the dielectric can be fixed easily and inexpensively in production.
  • Another embodiment provides that the groove for receiving at least one dielectric is simultaneously provided for fixing the conductor structure.
  • the conductor structure comprises a symmetrical conductor system.
  • symmetrical conductor systems can especially low emission can be realized. Particularly in a symmetrical design of the conductor system and in operation with symmetrical electrical signals, the electric fields and the magnetic fields of the conductors cancel each other out in the distance.
  • ladder systems are preferably used with two conductors.
  • the conductor structure comprises an asymmetrical conductor system.
  • asymmetrical conductor system There are special cases of unbalanced conductor systems in which the radiation can be kept low. An example of this is the system shown in US Patent 5,208,581. In this case, current flows through different conductor systems in accordance with the signal polarity. However, unbalanced conductor systems usually require significantly more technical effort for suppressing interference than with symmetrical conductor systems.
  • a transmitter (10) feeds electrical signals into the conductor arrangement (11).
  • the receiver (12) is arranged to be movable. The relative movement takes place on predetermined paths. Such webs may for example be linear or circular.
  • the conductor arrangement (11) is arranged along at least one of these tracks of the movement, so that there is only a short distance between the conductor arrangement (11) and the receiver (12) at each point of the movement at which signals are to be transmitted.
  • the distances are in a range of 0.1 mm to about 10 mm. Direct contact with a distance of 0 is possible. This is the case of a galvanic transmission.
  • the conductor arrangement comprises at least one conductor structure (1) and a reference surface (2) associated therewith and a dielectric (3).
  • the conductor arrangement comprises at least one conductor structure (1) and a reference surface (2) associated therewith and a dielectric (3).
  • two conductors (1a, 1b) are shown on the conductor structure (1). These conductors may have any of the prior art gradients.
  • the reference surface (2) itself is electrically conductive at least on its surface. In this example, located between the conductor structure (1) and the reference surface (2) is a cavity, which is guided with air or a similar gas. Thus, in this case, the air is the dielectric.
  • Fig. 3 is an example of an embodiment of a conductor arrangement (11) corresponding to Fig. 2, wherein the cavity between the conductor structure (1) and the reference surface (2) with a dielectric (3) is filled, which consists at least partially of solids.
  • dielectrics may be, for example, lattice structures or foams of an insulating material.
  • Fig. 4 shows an arrangement in which the conductor structure (1) is mounted in a carrier (6) made of insulating material.
  • a groove is provided in the carrier.
  • the reference surface (2) is designed as an electrically conductive surface in the bottom of the groove.
  • Such an electrically conductive surface can be realized for example by means of a conductive paint or a thin film strip.
  • Such a film strip can be attached by adhesion, but also by adhesive such as double-sided adhesive tape. Due to the comparatively robust attachment in a solid support, the geometry and thus also the symmetry of the arrangement is precisely defined and fixed with long-term stability.
  • FIG. 5 shows an arrangement with a conductive carrier.
  • This conductive support has a groove for receiving the dielectric and fulfills with its surface the function of the reference surface (2).
  • the surface is refined inside the groove to obtain a long-term stable, highly conductive surface.
  • the groove can be designed such that it is designed for precisely defined recording of the conductor structure (1).
  • the geometry can usually be defined even more precisely than with a conductive support and an additional reference surface, since tolerances due to sticking or due to the thickness tolerances of the additional reference surface are omitted here.
  • a greater degree of freedom for the design of the groove itself This can now be optimized with regard to cost-effective production be, because here no additional conductor must be introduced as a reference surface.
  • FIG. 6 shows an embodiment in which the dielectric (3) and the conductor structure (1) are accommodated in a conductive carrier.
  • the groove for receiving a symmetrical, both sides beveled bottom.
  • FIG. 7 shows an embodiment with a dielectric layered parallel to the conductor structure and reference surface.
  • a carrier (6) for receiving serves a carrier (6), in which a groove is introduced, the inside of which serves as a reference surface (2) at the same time.
  • the dielectric has a first layer (5) consisting of a solid insulating material. Parallel to this is a second layer consisting of a dielectric comprising air or gas.
  • the primary purpose of the first dielectric is to support the conductor structure (1) and fix it in a defined position.
  • a precise fixation of the conductor structure at the predetermined position symmetrical to the environment and in particular to the reference surface (2) is essential for a high symmetry of the signals and thus a high immunity to interference or a low interference emission.
  • the second layer (4) consists of a dielectric with low dielectric constant and low losses.
  • the electrical series connection with the first layer with high dielectric constant is the vast majority of the total electric field strength and thus also the stored energy in the second layer (5) with low dielectric constant. Because this also has a much lower loss factor, the total loss factor of the arrangement is much lower.
  • FIG. 8 shows an advantageous embodiment of the invention with a dielectric layered perpendicular to the conductor structure or reference surface in a section along the propagation direction.
  • supports made of a solid insulating material (5) are arranged perpendicularly between the conductor structure and the reference surface in order to ensure a defined alignment of the conductor structure to the reference surface.
  • the spaces are filled with an insulating material comprising air or gas.
  • the supports themselves can be mounted in constant or variable intervals. Variable distances help to prevent resonances in the line system. Ideally, the supports are made narrow, so that the capacity at the location of the supports is relatively low. This minimizes reflections at the location of these columns.
  • FIG. 9 shows an arrangement corresponding to FIG. 8 in a section perpendicular to the direction of movement.
  • the supports of solid insulating material are designed such that they do not extend over the entire width of the groove in the carrier. This leads to a further reduction of the losses in the supports. Of course, these supports can also be extended for reasons of stability over the entire width of the groove.
  • Fig. 10 shows an arrangement with vertical layering of the dielectric.
  • the layers are formed in such a way that narrow webs of the first dielectric (5), made of solid insulating material, result along the conductor structure.
  • narrow webs of the first dielectric (5) made of solid insulating material, result along the conductor structure.
  • no reflections are present in the propagation direction along the conductor structure.
  • attention must be paid to a very symmetrical arrangement and stable fixation of the longitudinal strips in order to achieve a high degree of symmetry.
  • Fig. 11 shows an arrangement with a particularly low-capacity solid dielectric support to minimize the reflections at the location of the supports.
  • a particularly low-capacity solid dielectric support to minimize the reflections at the location of the supports.
  • other types and configurations of supports can be used.
  • Essential here is the mechanically supporting function of the support. Ie. it should be stiffer than the dielectric, which essentially retains its properties of air or gas.

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  • Near-Field Transmission Systems (AREA)
  • Aerials With Secondary Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Claims (16)

  1. Dispositif de transmission de signaux à large bande entre des unités mobiles le long des voies prédéterminées, comprenant
    - au moins un émetteur (10) à engendrer des signaux électriques,
    - au moins un système de conducteurs (10) à guider au moins un desdits signaux électriques d'au moins un émetteur le long de la voie du mouvement à faible émission vers l'extérieur,
    - au moins un récepteur (12) à découpler des signaux électriques en dehors d'au moins un système de conducteurs dans le champs proche dudit système de conducteurs,
    dans lequel au moins un système de conducteurs
    - comprend au moins une structure de conducteurs (1) à conduire des signaux électriques, à la structure de conducteurs renfermant un système de conducteurs symétrique, et
    - au moins une surface de référence électriquement conductrice (2), qui est affectée à chaque structure de conducteurs, ainsi que
    - au moins un diélectrique (3) à haute homogénéité entre la structure de conducteurs et ladite surface de référence,
    caractérisé en ce
    qu'au moins un diélectrique à haute homogénéité et grande symétrie par rapport au centre électrique de l'axe longitudinal de ladite structure de conducteurs est présent, aux tolérances des constantes diélectriques ou respectivement des pertes diélectrique, par rapport à une surface équipotentielle par l'axe longitudinal de ladite structure de conducteurs, étant inférieures à 5 %, et en ce que ledit diélectrique comprend des structures alvéolaires remplies de l'air et/ou des gaz aptes à l'emploi dans l'industrie, et/ou une couche en gaz.
  2. Dispositif selon la revendication 1,
    caractérisé en ce qu'au moins un diélectrique présente une structure à nid d'abeilles ou respectivement en réseau d'un matériau isolant, aux alvéoles ou respectivement lacunes étant remplies de l'air ou respectivement d'un gaz.
  3. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins un diélectrique comprend une mousse ou respectivement du granulé d'un matériau isolant, auxdites alvéoles étant remplies de l'air ou respectivement d'un gaz.
  4. Dispositif selon la une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins un diélectrique comprend de polyéthylène moussé.
  5. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins un diélectrique présente une structure à plusieurs couches.
  6. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins un diélectrique présente une structure en plusieurs couches disposées en parallèle à la structure de conducteurs.
  7. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins un diélectrique comprend au moins une première couche en un premier matériau, qui renferme de l'air ou respectivement un gaz ou l'inclue dans des alvéoles et contient au moins une couche en au moins un deuxième matériau isolant solide.
  8. Dispositif selon la revendication 7,
    caractérisé en ce que de ladite deuxième couche est configurée sous forme d'une couche à rigidité mécanique pour la stabilisation ou fixation de la première couche.
  9. Dispositif selon une quelconque des revendications 7 à 8,
    caractérisé en ce que ladite deuxième couche est configurée sous forme d'un substrat portant ladite structure à conducteurs.
  10. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'au moins une couche supplémentaire en matériau conducteur ou respectivement un matériau conducteur à recouvrement incomplet de l'aire, par exemple une structure en réseau, est disposé.
  11. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce que ledit diélectrique comprend une structure à plusieurs couches disposées en sens orthogonal à ladite structure de conducteurs.
  12. Dispositif selon la revendication 11,
    caractérisé en ce que lesdites couches sont disposées en symétrie par rapport au centre électrique de l'axe longitudinal de ladite structure de conducteurs.
  13. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'un diélectrique en un premier matériau renfermant de l'air ou respectivement de gaz est disposé, et en ce que des couches en un matériau isolant à rigidité mécanique sont disposées aux écarts prédéterminés pour la stabilisation ou respectivement fixation de ladite structure de conducteurs en un sens orthogonal à la structure de conducteurs.
  14. Dispositif selon au moins une quelconque des revendications précédentes,
    caractérisé en ce qu'une rainure est formée dans l'élément portant ladite structure de conducteurs (11) pour recevoir ledit diélectrique (3).
  15. Dispositif selon la revendication 14,
    caractérisé en ce que ladite rainure à recevoir ledit diélectrique est aussi envisagée à la fixation de ladite structure de conducteurs.
  16. Dispositif selon une quelconque des revendications précédentes,
    caractérisé en ce qu'une rainure est formée dans l'élément portant ladite structure de conducteurs (11) pour la fixation de ladite structure de conducteurs.
EP03739434A 2002-02-14 2003-02-14 Dispositif de transmission de signaux entre des unites mobiles Expired - Lifetime EP1476956B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10206160 2002-02-14
DE10206160A DE10206160A1 (de) 2002-02-14 2002-02-14 Vorrichtung zur Signalübertragung zwischen beweglichen Einheiten
PCT/DE2003/000455 WO2003069797A2 (fr) 2002-02-14 2003-02-14 Dispositif de transmission de signaux entre des unites mobiles

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Publication Number Publication Date
EP1476956A2 EP1476956A2 (fr) 2004-11-17
EP1476956B1 true EP1476956B1 (fr) 2006-06-14

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US (1) US7212077B2 (fr)
EP (1) EP1476956B1 (fr)
AT (1) ATE330376T1 (fr)
AU (1) AU2003215506A1 (fr)
DE (2) DE10206160A1 (fr)
WO (1) WO2003069797A2 (fr)

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DE102013001667A1 (de) 2013-01-31 2014-07-31 Harry Schilling Verfahren zur Herstellung einer Sendeantenne im Gußverfahren zur Anwendung für eine kapazitive Datenübertragung
DE102014206295A1 (de) 2014-04-02 2015-10-08 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur berührungslosen Übertragung elektrischer Signale sowie Computertomografieanlage mit einer derartigen Vorrichtung
EP3503349B1 (fr) * 2017-12-22 2020-07-15 Siemens Healthcare GmbH Appareil de transmission de donnees et apparaeil d'imagerie medicale comprenant un tel appareil de transmission de donnees
DE102018117892A1 (de) * 2018-07-24 2020-01-30 GAT Gesellschaft für Antriebstechnik mbH System zur berührungslosen Übertragung von Daten

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DE102012111382A1 (de) * 2012-11-23 2014-05-28 GAT Gesellschaft für Antriebstechnik mbH Antennenstruktur zur breitbandigen Übertragung elektrischer Signale
WO2014079744A1 (fr) * 2012-11-23 2014-05-30 GAT Gesellschaft für Antriebstechnik mbH Structure d'antenne pour la transmission à large bande de signaux électriques
US9478853B2 (en) 2012-11-23 2016-10-25 Gat Gesellschaft Fur Antriebstechnik Mbh Antenna structure for the wide-band transmission of electrical signals

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US7212077B2 (en) 2007-05-01
DE10206160A1 (de) 2003-08-28
WO2003069797A3 (fr) 2003-10-16
AU2003215506A8 (en) 2003-09-04
EP1476956A2 (fr) 2004-11-17
DE50303824D1 (de) 2006-07-27
AU2003215506A1 (en) 2003-09-04
ATE330376T1 (de) 2006-07-15
US20050040917A1 (en) 2005-02-24
WO2003069797A2 (fr) 2003-08-21

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