WO2011040392A1 - Dispositif, système et procédé de transmission d'énergie électrique et d'informations - Google Patents

Dispositif, système et procédé de transmission d'énergie électrique et d'informations Download PDF

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Publication number
WO2011040392A1
WO2011040392A1 PCT/JP2010/066787 JP2010066787W WO2011040392A1 WO 2011040392 A1 WO2011040392 A1 WO 2011040392A1 JP 2010066787 W JP2010066787 W JP 2010066787W WO 2011040392 A1 WO2011040392 A1 WO 2011040392A1
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WO
WIPO (PCT)
Prior art keywords
information transmission
power information
power
transmission device
communication electrode
Prior art date
Application number
PCT/JP2010/066787
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English (en)
Japanese (ja)
Inventor
好男 唐澤
和之 ▲高▼▲崎▼
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国立大学法人 電気通信大学
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Publication of WO2011040392A1 publication Critical patent/WO2011040392A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer

Definitions

  • the present invention relates to an apparatus, a system, and a method for simultaneously transferring power and information without contact.
  • Patent Document 1 in an IC memory card system including a main body device and an IC memory card that transfers data to the main body in a contactless manner, the main body device includes a power supply circuit that supplies power to the IC memory card and an IC memory.
  • the card is provided with a coil A for supplying electric power by an induced electromotive force
  • the IC memory card is inductively coupled with the coil A of the main unit to receive power supplied from the power supply circuit and a power supply circuit connected to the coil B
  • the main body device and the IC memory card are disclosed in a configuration including a means different from the means by inductive coupling, for example, a non-contact coupling means for transferring data by non-contact coupling by electrostatic coupling using a capacitor.
  • Patent Document 2 also discloses a substantially similar configuration.
  • the magnetic field generated for wireless charging gives electromagnetic interference to the electric field generated for wireless information communication. That is, for example, when a coil that generates a magnetic field and an electrode that generates an electric field are brought close to each other, they interfere with each other, particularly the interference that the magnetic field gives to the electric field is large, the efficiency of information communication decreases, the communication speed decreases, and the electrodes There are problems such as heat generation. Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to minimize interference between magnetic field coupling and electric field coupling, and simultaneously transmit power and efficiently transmit information. It is to provide an apparatus, system and method for performing.
  • a power transmission / reception hollow coil portion that transmits and receives power in a contactless manner by magnetic field coupling, and a communication electrode portion that performs contactless communication by electric field coupling.
  • the plane including the electrode surface of the communication electrode portion and the coil axis of the power transmission / reception hollow coil portion intersect substantially perpendicularly, and a part of the electrode surface of the power transmission / reception hollow coil portion is viewed in the coil axial direction.
  • a power information transmission device that is arranged so as not to overlap a hollow portion and to overlap a coil surface of the power transmission / reception hollow coil portion.
  • substantially vertical does not need to be completely vertical, and the interference between the magnetic field of magnetic field coupling and the electric field of electric field coupling for exchanging power and information in a non-contact manner can be ignored. Means vertical. According to this configuration, it is possible to provide a power information transmission apparatus that minimizes interference between magnetic field coupling and electric field coupling, and simultaneously performs power transmission and efficient information transmission.
  • the communication electrode portion has an opening having a diameter equal to or larger than the diameter of the hollow portion of the power transmission / reception hollow coil portion, and the entire hollow portion overlaps with the opening in a coil axial direction view.
  • the communication electrode part may have one or more slits that connect the opening and the outer periphery of the communication electrode part. According to this configuration, it is further difficult to generate eddy currents due to intersecting magnetic fluxes in the communication electrode section, and heat generation can be minimized.
  • the slit may further be configured to surround the opening between the opening and the outer periphery of the communication electrode part. According to this configuration, in the alignment with the power information transmission apparatus of the transmission partner, alignment in the direction of twist is not necessary.
  • one of the communication electrode portions divided by the slit may be connected to a reference potential and the other may be connected to a signal potential. According to this configuration, it is possible to increase the efficiency of information transmission between power information transmission apparatuses.
  • a shield electrode part may be further provided between the power transmission / reception hollow coil part and the communication electrode part, and the shield electrode part may be connected to a reference potential. According to this configuration, it is possible to reduce the influence of the electric field generated from the power transmission / reception hollow coil portion on the communication electrode portion.
  • the shield electrode unit may be connected to one communication electrode unit connected to a reference potential. According to this configuration, it is possible to efficiently configure the communication electrode portion and the shield electrode portion that serve as the reference potential.
  • the power transmission / reception hollow coil portion may be a flat coil. According to this configuration, a thin power information transmission device is possible.
  • a power information transmission system using the power information transmission device described above, wherein each power of the first power information transmission device and the second power information transmission device.
  • the coil shafts of the transmission / reception hollow coil portions are arranged on substantially the same axis, and the electrode surfaces of the communication electrode portions of the first power information transmission device and the second power information transmission device are arranged to face each other.
  • the power transmission / reception hollow coil portion of the first power information transmission device generates a magnetic field to perform magnetic field coupling with the power transmission / reception hollow coil portion of the second power information transmission device, and the first power information transmission device
  • One of the communication electrode unit of the information transmission device or the communication electrode unit of the second power information transmission device generates an electric field for electric field coupling with the communication electrode unit of the other power information transmission device.
  • Characterize Force information transmission system is provided.
  • the substantially same axis line here does not need to be a completely same axis line, and interference between the magnetic field of the magnetic field coupling and the electric field of the electric field coupling for exchanging power and information without contact can be ignored. Means the same axis. According to this configuration, it is possible to provide a power information transmission system that minimizes interference between magnetic field coupling and electric field coupling and simultaneously performs power transmission and efficient information transmission.
  • a power information transmission method in which power is transmitted and received by magnetic field coupling between two power information transmission devices and communication is performed by electric field coupling,
  • the power information transmission device generates a magnetic field for magnetic field coupling with the second power information transmission device, and one of the first power information transmission device or the second power information transmission device is An electric field is generated for electric field coupling with the other power information transmission device, and an electric field line of the electric field between the first power information transmission device and the second power information transmission device is
  • a power information transmission method is provided that does not overlap the magnetic flux of the magnetic field between the second power information transmission device and the second power information transmission device. According to this configuration, it is possible to provide a power information transmission method that minimizes interference between magnetic field coupling and electric field coupling, and simultaneously performs power transmission and efficient information transmission.
  • FIG. 3A An opening and a slit are one communication electrode part.
  • FIG. 3B A communication electrode part with two openings and slits.
  • FIGG. 3C A communication electrode part with an opening and a slit surrounding the opening.
  • FIGG. 3D A communication electrode portion without an opening.
  • FIG. 5C is a development view when the communication electrode portion and the shield electrode portion are connected. The figure which shows the effect in one Embodiment (modified example of 1st Embodiment) of this invention.
  • the schematic diagram of the system which showed one Embodiment (2nd Embodiment) of this invention The schematic diagram at the time of applying to the notebook type personal computer which is one Embodiment (3rd Embodiment) of this invention.
  • the schematic diagram at the time of applying to the implantable medical device which is one Embodiment (4th Embodiment) of this invention.
  • FIG. 1 illustrates a basic configuration according to this embodiment of the power information transmission system.
  • the power information transmission system 1 includes two power information transmission apparatuses 10.
  • the left power information transmission device 10 is referred to as a transmission side power information transmission device 11
  • the right power information transmission device 10 is referred to as a reception side power information transmission device 12.
  • the transmission-side power information transmission device 11 includes a power transmission / reception hollow coil unit 100, a communication electrode unit 110, a power source unit 120, a modulator 140, and a microcomputer 160.
  • the power supply unit 120 is composed of an AC power supply, the power supply unit 120 and the power transmission / reception hollow coil unit 100 are connected, the power transmission / reception hollow coil unit 100 is supplied with power from the power supply unit 120, and the power transmission / reception hollow coil unit 100 receives an AC current.
  • the communication electrode unit 110, the modulator 140, and the microcomputer 160 are connected in series, the microcomputer 160 generates transmission information, the modulator 140 modulates the transmission information by a predetermined modulation method, and the modulated signal Is supplied to the communication electrode unit 110.
  • the reception-side power information transmission device 12 includes a power transmission / reception hollow coil unit 100, a communication electrode unit 110, a charging unit 130, a demodulator 150, a microcomputer 160, and a device (load) 170.
  • the power transmission / reception hollow coil unit 100 and the charging unit 130 are connected, and the power generated in the power transmission / reception hollow coil unit 100 by magnetic field coupling with the power transmission / reception hollow coil unit 100 of the transmission-side power information transmission device 11 as described later.
  • the charging unit 130 can be charged.
  • the device 170 is connected to the charging unit 130 and can use the charged power.
  • the communication electrode unit 110, the demodulator 150, and the microcomputer 160 are connected in series, and signal information received by the communication electrode unit 110 by electric field coupling with the communication electrode unit 110 of the transmission-side power information transmission device 11, as will be described later. Is demodulated by the demodulator 150, passed to the microcomputer 160 and used as received information, and information communication is established.
  • the power transmission / reception hollow coil unit 100 of the transmission-side power information transmission device 11 generates a magnetic field to perform magnetic field coupling with the power transmission / reception hollow coil unit 100 of the reception-side power information transmission device 12.
  • the power transmission / reception hollow coil unit 100 and the power transmission / reception hollow coil unit 100 of the reception-side power information transmission device 12 are arranged such that the coil axes 101 are substantially on the same axis. Thereby, efficient magnetic field coupling is performed.
  • the communication electrode unit 110 of the transmission-side power information transmission device 11 generates an electric field to perform electric field coupling with the communication electrode unit 110 of the reception-side power information transmission device 12, but the communication electrode unit of the transmission-side power information transmission device 11 110 and the communication electrode unit 110 of the reception-side power information transmission device 12 are arranged to face each other. Thereby, efficient electric field coupling is performed.
  • the communication electrode unit 110 of the reception-side power information transmission device 12 does not transmit from the transmission-side power information transmission device 11.
  • An electric field is generated for electric field coupling with the communication electrode unit 110.
  • Bidirectional information communication is possible by a time division method, a frequency division method, or the like.
  • FIG. 2 illustrates the configuration of the power transmission / reception hollow coil unit 100 and the communication electrode unit 110 of the power information transmission apparatus 10 in the power information transmission system 1.
  • the electrode surface 111 of the communication electrode unit 110 and the coil shaft 101 of the power transmission / reception hollow coil unit 100 are disposed so that the coil shaft 101 is substantially perpendicular to a plane including the electrode surface 111.
  • the coil surface 103 of the power transmission / reception hollow coil unit 100 and the electrode surface 111 of the communication electrode unit 110 are arranged in a parallel relationship.
  • a part of the communication electrode part 110 is arranged so as not to overlap the hollow part 102 of the power transmission / reception hollow coil part 100.
  • the magnetic flux in the hollow portion 102 generated in the power transmission / reception hollow coil portion 100 does not cross the communication electrode portion 110, the influence on the power transmission can be suppressed, in other words, the magnetic field coupling and the electric field. Coupling interference can be minimized, efficient power transfer and information communication can be performed, and heat generation at the communication electrode unit 110 can be prevented.
  • a part of the communication electrode portion 110 is disposed so as to overlap the coil surface 103 of the power transmission / reception hollow coil portion 100.
  • the diameter of the power transmission / reception hollow coil portion 100 and the diameter of the communication electrode portion 110 may be substantially the same. Since the magnetic flux outside the power transmission / reception hollow coil portion 100 does not cross the communication electrode portion 110, the same effect as described above can be obtained.
  • FIG. 3 illustrates the structure of the communication electrode unit 110 of the power information transmission apparatus 10.
  • the communication electrode portion having no opening or slit as shown in FIG. 3D and the communication electrode portion having no opening as shown in FIG. 3F are magnetic fluxes in the hollow portion 102 generated in the power transmission / reception hollow coil portion 100. However, since it intersects with the communication electrode unit 110, the influence on the power transmission is increased. Further, in the communication electrode portion having no slit as shown in FIG. 3E, an eddy current is generated by the magnetic flux, and the influence on power transmission is increased, and heat is generated in the communication electrode portion.
  • the communication electrode part 110 has an opening part 112 having a diameter equal to or larger than the diameter of the hollow part 102 of the power transmission / reception hollow coil part 100, and in FIG.
  • the structure of the communication electrode unit 110 having two slits 114 is shown in FIG. 3B, and the structure of the communication electrode unit 110 having two slits 114 connecting the opening 112 and the outer periphery 113 is shown.
  • the communication electrode unit 110 has such a structure, the above problem can be solved.
  • the ground can be shared between the two power information transmission apparatuses 10, it is not necessary to separately provide a reference potential, so the structure of FIG. 3A can be used.
  • an opening 112 having a diameter equal to or larger than the diameter of the hollow portion 102 of the power transmission / reception hollow coil unit 100 is provided, and the opening 112 is provided between the opening 112 and the outer periphery 113 of the communication electrode unit 110.
  • the communication electrode part 110 which has the slit 114 made to enclose is shown.
  • the slit 114 surrounding the opening 112 and the opening 112 are concentric.
  • the communication electrode unit 110 shown in FIGS. 3A and 3B needs to be aligned in the twist direction when aligning with the communication electrode unit 110 of the counterpart power information transmission apparatus 10, but this is shown in FIG. 3C.
  • the communication electrode unit 110 is not necessary.
  • the communication electrode unit 110 when there are two slits 114, in other words, when the communication electrode unit 110 includes two electrodes, one of the electrodes is connected to a reference potential and the other is connected to a signal potential, thereby transmitting information. Efficiency can be increased.
  • one of the electrodes when there are three or more slits 114, one of the electrodes is connected to a reference potential, and the other electrode is connected to a plurality of different signal potentials, thereby improving information transmission efficiency and simultaneously transmitting a plurality of signals. can do.
  • the power transmission / reception hollow coil portion 100 of the power information transmission apparatus 10 may be a flat coil. A thinner power information transmission apparatus 10 is possible.
  • FIG. 4 explains the effect of this embodiment.
  • the power transmission / reception hollow coil portion 100 having an outer diameter of 40 mm, an inner diameter of 15 mm, and a winding number of 30 is opposed to the power transmission / reception hollow coil portion 100 having an outer shape of 45 mm, an inner diameter of 20 mm, and a winding number of 30.
  • Outer diameter 40 mm, inner diameter 20 mm, slit width 1 mm Only one sheet is inserted, the distance between the power transmission / reception hollow coil part 100 and the communication electrode part 110 is 1 mm, respectively, and an ABS resin plate is inserted between them. The power transmission characteristics are shown.
  • the communication electrode part 110 FIG.
  • the power transmission loss is about 24 dB.
  • the loss can be reduced to about 3 dB.
  • the provision of the opening 112 prevents the magnetic flux passing through the hollow portion 102 of the power transmission / reception hollow coil unit 100 from being interrupted by the communication electrode unit 110, and the provision of the slit 114 allows the communication electrode unit 110 to This is because eddy currents do not flow. Therefore, it can be seen that the transmission loss is improved by about 20 dB by providing the opening 112 and the slit 114.
  • FIG. 5 is a configuration diagram illustrating a modified example including a shield electrode portion.
  • the voltage applied to the power transmission / reception hollow coil part may be several times higher than the voltage applied to the communication electrode part.
  • the electric field is generated inhomogeneously. That is, on the coil of the power transmission / reception hollow coil portion, the strength of the electric field is different between the outside and the inside of the coil, and the AC signal is applied to the coil, so that it varies depending on the time.
  • the electric field generated by such a power transmission / reception hollow coil portion becomes noise to the communication electrode portion that performs communication by electric field coupling, and may adversely affect the communication of the communication electrode portion.
  • FIG. 5A is a power information transmission device including the communication electrode unit 110 having the two slits 114 shown in FIG. 3B, and further includes a shield electrode unit 180 between the communication electrode unit 110 and the power transmission / reception hollow coil unit 100.
  • 1 shows a power information transmission apparatus.
  • the shield electrode unit 180 is grounded so as to be a reference potential, whereby the electric field generated by the power transmission / reception hollow coil unit 100 can be shielded from the communication electrode unit 110, and the communication electrode unit 110 performs. The influence on communication can be reduced.
  • the resin layer 190 between the communication electrode portion 110 and the shield electrode portion 180 is formed of an insulating plastic that does not affect the electric field.
  • FIG. 5B shows a structure in which one communication electrode portion 110A and shield electrode portion 180A are further connected by a connection line 181 in the power information transmission apparatus shown in FIG. 5A.
  • the communication electrode unit is configured to include two slits, but the configuration is not limited thereto.
  • the slit is configured to surround the opening between the communication electrode unit and the outer periphery. It may be.
  • FIG. 5C is a development view when the communication electrode portion 110A and the shield electrode portion 180A are connected by the connection line 181.
  • the shield electrode portion 180A is substantially the same shape and size as the opening portion 112 provided in the communication electrode portion, and one shield electrode portion slit having the same shape and the same size as the slit electrode 114 provided in the communication electrode portion. 183. This is to minimize the effect on power transmission.
  • the present modification can be easily configured by folding back in the middle of the connection line 181 and sandwiching the resin layer 190 between the shield electrode portion 180A and the communication electrode portion.
  • FIG. 6 is a diagram for explaining the effect of this modification, and shows the influence of the shield electrode unit 180 on the communication electrode unit 110 and the power transmission / reception hollow coil unit 100.
  • the power transmission / reception hollow coil portion 100 having an outer diameter of 40 mm, an inner diameter of 15 mm, and a winding number of 30 is opposed to the power transmission / reception hollow coil portion 100 having an outer diameter of 45 mm, an inner diameter of 20 mm, and a winding number of 30.
  • the shown communication electrode 110 (outer diameter 40 mm, inner diameter 20 mm, slit width 1 mm) and shield electrode part 180 (outer diameter 40 mm, inner diameter 20 mm, slit width 1 mm) are inserted between two power transmission / reception hollow coil parts, and the power transmission / reception hollow
  • the distance between the coil part 100 and the communication electrode part 110 is 1 mm, respectively, and shows the power transmission characteristics when an ABS resin plate is inserted between them.
  • the power transmission / reception hollow part When the coil unit 100 is terminated by 50 ohms and the shield electrode unit 180A is grounded, it can be seen that the transmission loss is improved by about 20 dB. This is the power transmission by the power transmission / reception hollow coil unit 100 and the information by the communication electrode unit 110. This means that the degree of separation from transmission has improved.
  • FIG. 7 is a schematic diagram of a system showing this embodiment.
  • the DAC 220 transmits a terrestrial digital broadcast channel (OFDM (Orthogonal Frequency Division Multiplexing) signal) having a bandwidth of about 5.7 MHz and an information amount of 16.8 Mbps (0.3 to 6 MHz). Information and power were transmitted simultaneously while supplying power to the LED 240 using the signal converted into the baseband signal.
  • the communication electrode unit 110 is provided with a copper plate capacitor 270 so that a baseband signal is transmitted.
  • the received signal is demodulated by the IQ modulator 250, passed to the tuner 260, and sent to a monitor (not shown). Digital terrestrial broadcast images are displayed. According to this, high-definition moving image transmission of terrestrial digital broadcasting can be performed under power transmission.
  • FIG. 8 is a schematic diagram when the power information transmission apparatus according to the present invention is applied to a notebook personal computer 200.
  • the notebook personal computer 200 has a reception-side power information transmission device 12, and the desk 210 has a transmission-side power information transmission device 11.
  • the power information transmission apparatus can transmit power and information simultaneously in a non-contact manner, so that power can be supplied simply by placing a notebook personal computer at a predetermined position on the desk 210. Can be exchanged. There is no need to connect a power cable or network cable as in the past, and the cable does not get in the way even in places where there is a lot of human movement, and accidents such as tripping over the cable can be reduced.
  • FIG. 9 is a schematic diagram when the power information transmission apparatus according to the present invention is applied to the implantable medical device 280.
  • the implantable medical device 280 includes the reception-side power information transmission device 12.
  • the power information transmission device 10 can transmit power without contact
  • the implantable medical device 280 can be installed inside the body without exposing the electrode to the outside of the user. Less burden on the body.
  • the user side power information transmission device 12 on the device side and the power information transmission device on the power source side are transmitted. By aligning the 11 coil axes, power supply and information collection are possible.
  • the power transmission / reception hollow coil portion 100 has a hollow portion 102 that transmits and receives power without contact by magnetic field coupling.
  • a magnetic field such as embedding ferrite or the like in the hollow portion 102 is used.
  • a material that has a function of strengthening the coupling or a material that does not affect the magnetic field coupling such as plastic may be embedded without departing from the gist of the present invention. Needless to say, even if the opening 112 of the communication electrode 110 is similarly embedded, the gist of the present invention is not deviated.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

L'invention concerne un dispositif, un système et un procédé pour la transmission d'énergie électrique et pour la transmission efficace d'informations, dans lesquels les interférences entre le couplage du champ magnétique et celui du champ électrique sont minimisées, même si les dispositifs doivent être miniaturisés et construits de manière plus compacte. Un plan contenant les faces de sections d'électrode de communication (110) et un axe (101) d'une section de bobine creuse d'émission/réception (100) sont implantés de manière à se couper à peu près perpendiculairement et les sections d'électrode de communication (110) sont disposées de manière à ce que, lorsqu'elles sont observées dans la direction de l'axe de la bobine, des parties faces d'électrodes ne se superposent pas avec la section creuse de la section de bobine creuse d'émission/réception (100) mais se superposent avec la face de la bobine de la section de bobine creuse d'émission/réception (100).
PCT/JP2010/066787 2009-09-29 2010-09-28 Dispositif, système et procédé de transmission d'énergie électrique et d'informations WO2011040392A1 (fr)

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JP2009-225278 2009-09-29
JP2009225278A JP2012253398A (ja) 2009-09-29 2009-09-29 電力及び情報の伝送装置、システム、及び方法

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WO2012172930A1 (fr) * 2011-06-14 2012-12-20 株式会社村田製作所 Dispositif d'émission d'énergie électrique et système de réception d'énergie électrique
WO2013061615A1 (fr) * 2011-10-28 2013-05-02 パナソニック株式会社 Dispositif de transmission d'énergie sans contact et dispositif d'alimentation en énergie ainsi que dispositif de réception d'énergie utilisés dans celui-ci
WO2013061618A1 (fr) * 2011-10-28 2013-05-02 パナソニック株式会社 Dispositif de transmission d'énergie sans contact et dispositif d'alimentation électrique ainsi que dispositif de réception d'énergie utilisés dans celui-ci
WO2013065238A1 (fr) * 2011-11-01 2013-05-10 パナソニック株式会社 Coupleur de résonance
JP2014097208A (ja) * 2012-11-15 2014-05-29 Itoki Corp 通信及び給電テーブル
JP2017122714A (ja) * 2015-12-09 2017-07-13 ジック アーゲー 互いに対して運動する２つの物体の間で非接触データ伝送を行うため及び角度変化を特定するための装置
WO2018057346A1 (fr) * 2016-09-23 2018-03-29 Apple Inc. Blindage électromagnétique pour systèmes de transfert d'énergie sans fil
US10084349B2 (en) 2017-02-15 2018-09-25 Apple Inc. Inductive module
US10910862B2 (en) 2016-09-23 2021-02-02 Apple Inc. Electromagnetic shielding for wireless power transfer systems

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WO2014122853A1 (fr) * 2013-02-05 2014-08-14 株式会社 村田製作所 Récepteur de courant électrique, émetteur de courant électrique et système de transmission de courant électrique
WO2014155424A1 (fr) 2013-03-29 2014-10-02 パナソニック株式会社 Appareil de communications
US20160141102A1 (en) * 2014-11-14 2016-05-19 Cyntec Co., Ltd. Substrate-less electronic component and the method to fabricate thereof
JP6342369B2 (ja) 2015-08-21 2018-06-13 矢崎総業株式会社 電力伝送通信ユニット

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WO2018057346A1 (fr) * 2016-09-23 2018-03-29 Apple Inc. Blindage électromagnétique pour systèmes de transfert d'énergie sans fil
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CN108780696B (zh) * 2016-09-23 2021-01-08 苹果公司 用于无线电力传输系统的电磁屏蔽装置
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