EP2931387B1 - Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur - Google Patents

Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur Download PDF

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Publication number
EP2931387B1
EP2931387B1 EP13802004.5A EP13802004A EP2931387B1 EP 2931387 B1 EP2931387 B1 EP 2931387B1 EP 13802004 A EP13802004 A EP 13802004A EP 2931387 B1 EP2931387 B1 EP 2931387B1
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EP
European Patent Office
Prior art keywords
item
sports equipment
ball
coil structure
electromagnetic coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP13802004.5A
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German (de)
English (en)
French (fr)
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EP2931387A1 (de
Inventor
Reiner Retkowski
Markus Hartmann
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B41/00—Hollow inflatable balls
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00—Balls with special arrangements
    • A63B43/004—Balls with special arrangements electrically conductive, e.g. for automatic arbitration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/071—Winding coils of special form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
    • A63B2225/54—Transponders, e.g. RFID
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core

Definitions

  • Embodiments of the present invention relate to elastically deformable sports equipment, namely balls or pucks, for example inflatable balls, having at least one deformable electromagnetic coil structure disposed about a curved surface within the sports equipment.
  • An electromagnetic coil is formed when an electrical conductor, such as a copper wire, is wound to produce an inductive or electromagnetic element.
  • the wire can also be wound around a core or a shape.
  • a wire loop may be referred to as a turn, and a coil has one or more turns.
  • Coils that serve as inductors are widely used in electronic circuits as a passive two-terminal electrical component that stores energy in its magnetic field.
  • coils may be used to implement transformers that transfer energy from one electrical circuit to another through inductive coupling without moving parts.
  • coils may be used to construct resonant circuits comprising series and / or parallel arrays of inductors and capacitors.
  • coils may also serve as antennas or antenna-like elements for detecting electromagnetic fields, such as radio frequency identification (RFID) or similar applications.
  • RFID radio frequency identification
  • a moving game object such as a ball or puck
  • a detection plane eg, a goal plane
  • electromagnetic fields and / or signals In some ball sports, for example soccer or soccer or football, the use of automatic shotgun detection systems discussed in order to avoid human error.
  • the so-called goal line technology is a technique that can determine when the ball has crossed the goal line, and supports the referee in deciding whether a goal has fallen or not.
  • video based systems or electromagnetic field based systems There are several alternative approaches to determining the exact location or location where the ball is located, such as video based systems or electromagnetic field based systems.
  • a moving object such as a ball
  • electronic circuitry to transmit and / or receive and / or reflect electromagnetic signals.
  • electromagnetic approaches require electronic components within the ball, and the size of the electronics may vary depending on their functionality and the frequency range used.
  • the electronics may be installed in the center of the ball.
  • the required loop antennas and / or other electronic components may be installed at the periphery of the ball.
  • a shotgun detection system is proposed to have three orthogonally arranged coils or loop antennas in or on a moving object, eg a ball, to emit or reflect at least part of an electromagnetic field . Because of this orthogonal arrangement of the coils, the rotational position of the ball has little effect on the electromagnetic emission or reflection characteristics since the three orthogonal loop antennas theoretically provide an effective loop antenna whose effective opening area is perpendicular to an incident magnetic field from a transmitter comes installed at or near the gate. That is, the normal of the effective aperture area of the effective loop antenna is substantially parallel to the magnetic field vector.
  • a magnetic field may be generated by means of a live conductor running around a goal frame.
  • the generated magnetic field is perpendicular to a detection plane, which is defined by the goal frame.
  • This stimulating magnetic field is reflected by the ball, the reflected signal should produce the same directional vector as the stimulating field (due to the bile electronics with a phase shift).
  • the geometric accuracy of the reflected signal directly affects the measurement result and thus the accuracy of the goal decision.
  • the detection system is based on three orthogonal coils in the ball.
  • Each of the coils may comprise a plurality of coils inserted, for example, between the bladder of the ball and the outer skin or covering material of the ball.
  • the diameter of the coil (s) should be as large as possible, which means that the coil (s) should be installed in or under the covering material of the ball.
  • three may be substantially one another orthogonal loop antennas or electromagnetic coils may be incorporated into a sports equipment, which may be an air-inflatable ball, such as a football, in accordance with some embodiments.
  • a sports equipment which may be an air-inflatable ball, such as a football, in accordance with some embodiments.
  • an air-inflatable ball such as a football or a handball
  • additional material between the outer skin and the bladder to protect the bladder against external influences, such as stabs or the like.
  • a reflected electromagnetic signal from the integrated loop antennas or coils in a ball depends on the circumference or diameter of the at least one loop antenna in the ball. That is, the higher the loop diameter, the higher the signal strength of a reflected signal, and the better the detection rate of an electromagnetic field-based shotgun detection system.
  • the at least one loop antenna in the ball should be adapted to an outer shape of the ball. This can be done by placing a loop antenna in the form of an electromagnetic coil directly under the outer skin of the ball, between the outer skin and the bladder or an additional protective fabric or within the ball bladder adjacent to the inner wall of the bladder.
  • elastic deformation of the ball comprising an outer skin and a bladder may be transmitted directly to the integrated electromagnetic coils. Without countermeasures, the coils may be damaged in the event of elastic deformation of the ball.
  • embodiments of the present invention aim to provide spools that can withstand elastic deformations of a ball or puck.
  • the at least one electromagnetic coil structure which is integrated in an elastically deformable sports equipment, may be designed so that the electromagnetic coil structure has an extension reserve (an expansion buffer) that preferably corresponds to a maximum elastic deformation of the sports equipment in game mode.
  • the extension reserve may be in the range of 5% to 30% of the "normal" length.
  • the invention is defined in claim 1.
  • Embodiments thus suggest a more even distribution of a mechanical load on all portions of an electrical conductor of the coil structure in the sports equipment.
  • a conventional two-dimensional meander structure may be extended by a third dimension, thereby producing a circumferentially spiral-like or helical shape of a coil or at least a portion thereof.
  • the curved surface within the sports equipment in an undeformed or undeformed condition of the article may be a spherical surface having a circumference, wherein a length (in the circumferential direction) of at least one helically wound turn of the coil structure may be greater than the circumference in some embodiments to allow the extension reserve in the circumferential direction.
  • the renewal reserve may range from 5% to 30% of the volume.
  • the curved surface may be the inner or outer surface of a ball bladder or the inner or outer surface of an outer skin of the ball. That is, some embodiments of the present invention propose to integrate electromagnetic coils into the sports equipment, which may preferably be larger in circumference than the sports equipment itself. This may be accomplished by providing a coil as a three-dimensional space curve with non-zero torsion and curvature is formed, ie that it is helically or helically wound around a circumferentially extending curved axis corresponding to the curved surface, similar to a spiral cable. It can also be merely an imaginary axis.
  • an electrical conductor of the at least one electromagnetic coil structure may be substantially spirally disposed along a circular path or extending around the curved surface.
  • the circular path can thereby be obtained by cutting a plane through the center of the curved, more precisely spherical surface and the curved or spherical surface itself, whereby one obtains on the spherical surface a circle which has the same circumference as the spherical surface.
  • the slope or the gradient of the three-dimensionally curved electromagnetic coil with the non-vanishing geometrical torsion and curvature and the material used can preferably be matched to each other so that the maximum occurring mechanical torsion never becomes greater than the elastic range of the electrical conductor of the coil , As long as the elasticity range is not left, the coil can be regarded as quasi-durable. This could solve the technical problem of premature failure of the coil.
  • the coil is wound spirally around a torus.
  • a torus-like elastic core which may have, for example, a rubber or rubber-like material, or to produce a hollow spiral or hollow helix.
  • the particular design depends on the mechanical properties of the electrical conductor.
  • an ice hockey puck may also be understood as a sports equipment item. That is, the sports equipment may belong to the group of a soccer ball, an American football ball, a rugby ball, a basketball, a handball, a volleyball, a tennis ball, or a puck. Note that this example list is not meant to be exhaustive.
  • the at least one electromagnetic coil structure may include at least one turn of an electromagnetic coil or loop antenna that extends (spirally) along a circular path (ie, along the circumference) along the curved or spherical surface.
  • the at least one turn of the electromagnetic coil or loop antenna may spiral around an imaginary or actually existing (elastic) torus about the curved or spherical surface run around.
  • the electromagnetic coil structure comprises more than one coil.
  • the electromagnetic coil structure comprises at least three electromagnetic coils, which are arranged perpendicular to each other or orthogonal to each other around the circumference of the curved surface within the sports equipment, ie the ball. More specifically, in some embodiments, the three spirally wound electromagnetic coils may be disposed on a spherical surface in the sports equipment, eg, between a ball bladder and an outer ball skin or covering material of the ball.
  • the coils typically comprise electrically conductive material such as copper, silver or aluminum
  • the elasticity of the conductive material per se is significantly lower than the elasticity of the shell of the ball, a ball bladder or an intermediate protective fabric.
  • the rigidity of the coils counteracts the deformation of the ball, and the dynamic behavior of the ball can be greatly influenced.
  • some embodiments propose spiral patterns of the windings of the at least one coil structure. That is, the length of the at least one turn of the coil structure is greater than the circumference of the spherical structure can be achieved by winding the electrical conductor of the coil around a circumferentially curved (imaginary) tube, i. a torus (section), wraps.
  • an electrical conductor of the at least one deformable electromagnetic coil structure may be disposed (at least in sections) in a three-dimensional spiral or helical pattern around the curved surface of the sports equipment.
  • a helix winds around a (imaginary) lateral surface of a (imaginary) cylinder having a curved longitudinal axis (also referred to as torus or torus section) which extends in the circumferential direction around the curved or spherical surface.
  • the at least one deformable electromagnetic coil structure may be advantageous to support the at least one deformable electromagnetic coil structure by an elastic and / or flexible carrier or potting material to better support the spiral shape of the coil structure in the gaming equipment.
  • an elastic and / or flexible carrier or potting material to better support the spiral shape of the coil structure in the gaming equipment.
  • Such a construction which helps to form a helically wound coil against radial expansion, eg by the normal air pressure of the sports object can be placed inside an inner bladder or between the inner bladder and an outer covering material of the sports object.
  • the elastic and / or flexible backing or potting material which may be rubber or a similar material, is preferably stiff enough to retain its shape or geometry under normal air pressure of the air inflatable ball, but is also flexible enough, for example, to transmit a compression of the ball caused by a blow to the ball or a shooting of the ball against a goal frame.
  • one or more (parallel) electrical conductors of the electromagnetic coil structure may have a first section wound with a first spiral orientation (eg right-handed) and a second section having a second, for example opposite spiral orientation (eg left-handed) is wound.
  • a plurality of parallel conductors in the respective spiral orientation can be wound substantially parallel.
  • the first and second spiral orientations may result in at least one intersection between the first and second portions of the at least one electrical conductor.
  • the first and second portions of the at least one conductor may be in opposite directions, e.g. in a clockwise and counterclockwise direction around the surface of a (imaginary) curved cylinder or a curved tube to be wound.
  • a coil may include a plurality of braided conductors (a conductor braid), e.g. Copper wires, include. This can also help give the coil structure more stability.
  • a conductor braid e.g. Copper wires
  • the extension reserve of the electromagnetic coil structure may also be obtained by using elastic electrical conductors so that the elastic or stretchable conductors, in turn, act similar to rubber bands placed around the curved or spherical surface within the sports equipment.
  • elastic conductors may be based on silver nanowires or carbon nanotubes to provide stretchable electromagnetic coils for the To obtain electromagnetic coil structure.
  • these elastic conductors can be placed on a stretchable substrate for better support and guiding properties of the flexible coils.
  • the sports equipment article may be an inflatable ball having a ball bladder and a cover material or skin of the ball, wherein the at least one deformable electromagnetic coil structure is disposed between the ball bladder and the ball skin in some embodiments.
  • the at least one deformable electromagnetic coil structure may also be disposed within the ball bladder or below the surface of the ball bladder. It is even possible to arrange the at least one deformable electromagnetic coil structure in some embodiments on the outer surface of the ball skin.
  • the sports equipment article may include means for determining a position of the at least one deformable electromagnetic coil structure on the curved surface beneath a cover material of the sports equipment.
  • the attachment means may be realized by the use of sutures in the cover material of the ball or by special attachment tabs which may be spaced about the curved surface as regularly as possible.
  • the attachment tabs may be adhesive according to some embodiments.
  • the electromagnetic coil structure may also be adhered to the curved surface (e.g., a ball bladder) within the sports equipment article.
  • double-sided adhesive tape may be used in some embodiments. On one side the tape can be glued to the bladder and on the other side the reel structure can be glued to the attached tape.
  • the elastically deformable sports equipment article may further include at least one capacitive element connected to the at least one electromagnetic coil structure to form a resonant circuit for a predetermined frequency or a predetermined frequency range.
  • the frequency range may be in the sub-megahertz region, ie 10 kHz to 150 kHz.
  • the backscatter uses the electromagnetic power emitted by a transmitter to excite the electronics in the ball.
  • the ball may reflect some of the transmitted power, but change some of the characteristics, and in this way also send information back to the transmitter.
  • the at least one capacitive element may be integrated with the cover material of the sports equipment or with a portion of the cover material, such as a cover material. single leather patches.
  • the capacitive element may be located close to a cooperating coil, if possible on the same substrate as the coil. This can enable an efficient manufacturing process and good resonance characteristics.
  • embodiments of the present invention provide solutions to the problem of how to design the at least one coil and how it can be integrated into the ball to withstand the mechanical deformation of the ball as it is struck by a player or shot against the goal frame becomes.
  • Some embodiments propose a coil having at least one turn wound from an elastic conductive structure that can be made by winding an electrical conductor in the form of a spiral around an elastic core.
  • a plurality of conductors can be wound in parallel around the core, wherein the plurality of conductors can be wound in the same or an opposite direction in a different distribution.
  • the coil may form a three-dimensional hollow spiral.
  • a spiral type winding in the opposite direction may be used. That is, while a spiral winding of the coil structure may be oriented in a clockwise direction, another spiral winding of the coil structure may be oriented counterclockwise. In some embodiments, the conductors that are applied in both winding directions may be intertwined or twisted.
  • individual electrical conductors at one end of a winding are connected to the beginning of the winding such that a continuous winding can be produced. That is, the total number of turns of a coil is therefore the number of conductors multiplied by the number of turns of the elastic core.
  • Fig. 2a schematically shows a deformable electromagnetic coil structure 200, which is arranged around a curved surface 202 (eg the surface of a ball bubble) within a sports equipment item (not shown).
  • the electromagnetic coil structure 200 forms a three-dimensional spiral curve 204 of non-vanishing geometric torsion and curvature to provide a circumferential extension reserve 206 corresponding to at least one expected elastic deformation of the sports equipment during a game.
  • a mechanical load or force may be present due to an elastic deformation of the play equipment, such as a ball, be distributed evenly on all sections of the coil conductor. It turns out that a conventional two-dimensional meander structure according to Fig. 1 is expanded into a third dimension, whereby substantially a spiral-like shape of the coil structure 200 is formed.
  • Fig. 2a 11 shows a side view of only one coil 204 wound spirally about an imaginary torus, with an inner diameter of the torus substantially corresponding to an outer diameter of the curved surface 202, such as the ball bubble.
  • the coil structure 200 may also include three such deformable electromagnetic spiral coils 204, which are preferably disposed perpendicular to each other about the curved or spherical surface 202 to form at least three loop antennas in a ball.
  • the resulting loop antennas may then interact with an electromagnetic field based gate detection system to detect, for example, whether the ball has crossed a goal line or not.
  • the at least one spiral or helical coil 204 may, for example, be wound around an elastic core, which may comprise, for example, a rubber or rubber-like material, in order to give the coil structure 200 a certain stability.
  • a spiral or helical coil 204 around a torus-like elastic core 210 is shown schematically in FIG Fig. 2b shown.
  • the supporting elastic core 210 may then substantially have the shape of a (full) torus which, similar to a lifebuoy, is arranged around, for example, the ball bladder with its spherical surface 202.
  • the at least one spiral or helical Coil 204 are also arranged in the form of a hollow coil, for example, around the ball bubble or within it, ie without core 210.
  • the respective design depends primarily on the mechanical properties of the electrical conductor.
  • one or more (parallel) electrical conductors 204a (or portions thereof) of the electromagnetic coil structure 200 may be wound with a first spiral orientation (eg, right-handed), while other (parallel) electrical conductors 204b (or portions thereof) of the electromagnetic Coil structure 200 with a second spiral orientation (eg right-handed) are wound.
  • first spiral orientation eg, right-handed
  • second spiral orientation eg right-handed
  • Different spiral orientations are schematically in the Fig. 2c shown.
  • the first and the second spiral orientation if they are wound around the same (imaginary) torus, can lead to at least one overlap between the oppositely directed electrical conductors, so that a kind of coil head is formed.
  • a first and a second portion of at least one conductor may be wound in opposite directions, eg, clockwise and counterclockwise, about the surface area of a (imaginary) curved cylinder, ie, a torus. Further, the first and second portions 204a, 204b of the conductor may be twisted or entangled.
  • FIG. 3 shows in perspective and plan view schematically an embodiment of a ball 300 with a deformable electromagnetic coil structure 200 including a helical coil 204-1, a second spiral coil 204-2, and a third spiral coil 204-3.
  • the three coils 204-1, 204-2, 204-3 thus run at least partially coiled, for example around a ball bladder.
  • a turn of a coil 204-1, 204-2, 204-3 about the ball bubble thus runs at least partially helically about a curved axis which extends in the circumferential direction, ie along the circumference of the ball bladder.
  • the three coils are substantially orthogonal to each other.
  • an "orthogonal arrangement" of coils can be understood as an arrangement of three coils in such a way that the planes defined by the three different coils are substantially perpendicular to one another. Another definition could be that the surface normals of opening areas of the coils 204-1, 204-2, 204-3 are substantially perpendicular to each other.
  • To defined and fixed Intersections between different coils 204 may be provided with special fasteners 302 in front of or at the intersections, such as eyelets, bushings, or the like. As in Fig.
  • the electromagnetic coil structure or its individual coils 204-1, 204-2, 204-3 can be fixed by one or more fastening tabs 302 absolutely and relatively on the circumference of, for example, the ball bladder or the outer skin.
  • the attachment tabs 302 may secure the coils 204-1, 204-2, 204-2 to the inner bladder and / or the inner surface of the cover material of the ball.
  • the fastening tabs are configured to prevent the transverse displacement of the coils 204-1, 204-2, 204-3 relative to the curved surface of the bladder or cover material.
  • the attachment tabs may be configured to allow free movement of the coils 204-1, 204-2, 204-3 in their respective circumferential or longitudinal directions along the curved surface of the bladder or cover material. Further, the mutual orthogonality of the coils 204-1, 204-2, 204-3 may be maintained substantially due to the use of the mounting tabs.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Golf Clubs (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Magnetic Treatment Devices (AREA)
  • Near-Field Transmission Systems (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP13802004.5A 2012-12-13 2013-11-26 Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur Active EP2931387B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261736823P 2012-12-13 2012-12-13
DE102013100216.1A DE102013100216B4 (de) 2012-12-13 2013-01-10 Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur
PCT/EP2013/074754 WO2014090572A1 (de) 2012-12-13 2013-11-26 Elastisch verformbarer sportausrüstungsgegenstand mit einer verformbaren elektromagnetischen spulenstruktur

Publications (2)

Publication Number Publication Date
EP2931387A1 EP2931387A1 (de) 2015-10-21
EP2931387B1 true EP2931387B1 (de) 2017-09-06

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US (1) US9889343B2 (zh)
EP (1) EP2931387B1 (zh)
CN (1) CN104870062B (zh)
DE (1) DE102013100216B4 (zh)
DK (1) DK2931387T3 (zh)
ES (1) ES2644835T3 (zh)
RU (1) RU2615268C2 (zh)
WO (1) WO2014090572A1 (zh)

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CN113205958B (zh) * 2021-04-26 2023-01-31 骏日科技(深圳)有限公司 球面线圈的绕制装置及方法
CN113644414B (zh) * 2021-07-08 2022-05-06 大连理工大学 天线装置及其制备方法、以及通信装置

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US20150328502A1 (en) 2015-11-19
DE102013100216B4 (de) 2014-12-24
WO2014090572A1 (de) 2014-06-19
CN104870062B (zh) 2016-12-14
RU2615268C2 (ru) 2017-04-04
DK2931387T3 (en) 2017-12-11
DE102013100216A1 (de) 2014-06-18
EP2931387A1 (de) 2015-10-21
US9889343B2 (en) 2018-02-13
ES2644835T3 (es) 2017-11-30
CN104870062A (zh) 2015-08-26
RU2015125087A (ru) 2017-01-19

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