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1. WO2021110309 - APPARATUS FOR HIGH-FREQUENCY NEAR-FIELD COMMUNICATION AND FOR INDUCTIVELY RECHARGING A PORTABLE ELECTRONIC DEVICE

Publication Number WO/2021/110309
Publication Date 10.06.2021
International Application No. PCT/EP2020/078952
International Filing Date 14.10.2020
IPC
H02J 50/12 2016.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
10using inductive coupling
12of the resonant type
H01F 27/36 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
36Electric or magnetic shields or screens
H01Q 1/52 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
H02J 50/40 2016.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
40using two or more transmitting or receiving devices
H02J 50/70 2016.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
70involving the reduction of electric, magnetic or electromagnetic leakage fields
H04B 5/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
CPC
H01F 27/366
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
36Electric or magnetic shields or screens
366made of ferromagnetic material
H01F 38/14
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
38Adaptations of transformers or inductances for specific applications or functions
14Inductive couplings
H02J 50/12
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
10using inductive coupling
12of the resonant type
H02J 50/402
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
40using two or more transmitting or receiving devices
402the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
H02J 50/60
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
60responsive to the presence of foreign objects, e.g. detection of living beings
H02J 50/70
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
70involving the reduction of electric, magnetic or electromagnetic leakage fields
Applicants
  • CONTINENTAL AUTOMOTIVE GMBH [DE]/[DE]
Inventors
  • FORTES MONTILLA, Amaia
  • VASSILIEFF, Youri
Agents
  • KAABOUNI, Fatima
Priority Data
FR191364103.12.2019FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) APPARATUS FOR HIGH-FREQUENCY NEAR-FIELD COMMUNICATION AND FOR INDUCTIVELY RECHARGING A PORTABLE ELECTRONIC DEVICE
(FR) DISPOSITIF DE COMMUNICATION EN CHAMP PROCHE A HAUTE FREQUENCE ET DE RECHARGEMENT PAR INDUCTION D'UN APPAREIL ELECTRONIQUE PORTABLE
Abstract
(EN)
The invention relates to an apparatus (1) for high-frequency communication and for inductively recharging a device, comprising a recharging surface (5), at least one recharging antenna (6) emitting a low-frequency magnetic field, and a layer (7) made of ferromagnetic material. The apparatus comprises at least one communication antenna (31, 32) and a printed circuit board (2). The communication antenna (31, 32) is in the form of a coil which locally surrounds the layer (7) and which has an axis of symmetry located in a plane extending parallel to the layer (7). The material of the layer (7) is selected to have, at a high frequency, an imaginary portion with a sufficiently high permeability to cause leaks on a surface of the layer (7) extending perpendicularly to the layer, while maintaining, at a low frequency, an imaginary portion with a sufficiently low permeability to allow for inductive recharging.
(FR)
L'invention concerne un dispositif (1) de communication en haute fréquence et de rechargement par induction d'un appareil comprenant une surface de rechargement (5), au moins une antenne de rechargement (6) émettant un champ magnétique à une basse fréquence et une couche (7) en matériau ferromagnétique. Le dispositif comprend au moins une antenne de communication (31, 32) et une plaque de circuit imprimé (2). L'antenne de communication (31, 32) est sous la forme d'une bobine entourant localement la couche (7) en présentant un axe de symétrie se trouvant dans un plan parallèle à la couche (7). Le matériau de la couche (7) est sélectionné pour présenter à haute fréquence une partie imaginaire de perméabilité suffisamment élevée pour engendrer des fuites sur une surface de la couche (7) s'étendant perpendiculairement à la couche tout en conservant à basse fréquence une partie imaginaire de perméabilité suffisamment basse pour permettre le rechargement par induction.
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