ZA202101699B - Device and method for wireless power transfer - Google Patents

Device and method for wireless power transfer

Info

Publication number
ZA202101699B
ZA202101699B ZA2021/01699A ZA202101699A ZA202101699B ZA 202101699 B ZA202101699 B ZA 202101699B ZA 2021/01699 A ZA2021/01699 A ZA 2021/01699A ZA 202101699 A ZA202101699 A ZA 202101699A ZA 202101699 B ZA202101699 B ZA 202101699B
Authority
ZA
South Africa
Prior art keywords
power transfer
power
communication
intervals
time intervals
Prior art date
Application number
ZA2021/01699A
Other languages
English (en)
Inventor
Johannes Wilhelmus Draak
Klaas Jacob Lulofs
Original Assignee
Koninklijke Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of ZA202101699B publication Critical patent/ZA202101699B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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—ELECTRIC POWER NETWORKS; 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/43—Antennas
    • 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
    • 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
    • H01F2038/143—Inductive couplings for signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
ZA2021/01699A 2018-08-15 2021-03-12 Device and method for wireless power transfer ZA202101699B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18189122.7A EP3611820A1 (en) 2018-08-15 2018-08-15 Device and method for wireless power transfer
PCT/EP2019/071021 WO2020035343A1 (en) 2018-08-15 2019-08-05 Device and method for wireless power transfer

Publications (1)

Publication Number Publication Date
ZA202101699B true ZA202101699B (en) 2024-09-25

Family

ID=63293975

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/01699A ZA202101699B (en) 2018-08-15 2021-03-12 Device and method for wireless power transfer

Country Status (11)

Country Link
US (1) US11398753B2 (cg-RX-API-DMAC10.html)
EP (2) EP3611820A1 (cg-RX-API-DMAC10.html)
JP (1) JP7319352B2 (cg-RX-API-DMAC10.html)
KR (1) KR102780792B1 (cg-RX-API-DMAC10.html)
CN (1) CN112655134B (cg-RX-API-DMAC10.html)
ES (1) ES2945728T3 (cg-RX-API-DMAC10.html)
FI (1) FI3837755T3 (cg-RX-API-DMAC10.html)
MX (1) MX2021001635A (cg-RX-API-DMAC10.html)
PL (1) PL3837755T3 (cg-RX-API-DMAC10.html)
WO (1) WO2020035343A1 (cg-RX-API-DMAC10.html)
ZA (1) ZA202101699B (cg-RX-API-DMAC10.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3790158A1 (en) * 2019-09-09 2021-03-10 Koninklijke Philips N.V. Foreign object detection in a wireless power transfer system
US11239899B2 (en) * 2019-12-13 2022-02-01 Disney Enterprises, Inc. Near field communication antenna system for a playset
US11918928B2 (en) 2019-12-17 2024-03-05 Disney Enterprises, Inc. Virtual presentation of a playset
SE543741C2 (en) * 2020-06-02 2021-07-06 Atlas Copco Ind Technique Ab A power tool with wireless communication capability
KR102847723B1 (ko) 2020-09-04 2025-08-20 삼성전자주식회사 차폐 부재를 포함하는 무선 전력 송신 장치
FR3124644A1 (fr) * 2021-06-24 2022-12-30 Stmicroelectronics (Rousset) Sas Antenne NFC
US12537397B2 (en) * 2022-05-17 2026-01-27 Koninklijke Philips N.V. Wireless power transfer
US12431746B2 (en) * 2023-03-30 2025-09-30 Aptiv Technologies AG Antenna and electromagnetic shield disposed on a flexible circuit substrate

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4698702B2 (ja) 2008-05-22 2011-06-08 三菱電機株式会社 電子機器
JP4705988B2 (ja) * 2009-07-17 2011-06-22 明日香エレクトロン株式会社 Ｕｓｂデバイス用の電力伝送及びデータ伝送方法ならびにその装置
WO2012040548A1 (en) * 2010-09-26 2012-03-29 Access Business Group International Llc Selectively controllable electromagnetic shielding
CN103229194B (zh) * 2010-11-29 2016-08-17 富士通株式会社 便携式设备以及馈电系统
EP2775632A4 (en) * 2011-11-02 2015-07-01 Panasonic Corp CONTACTLESS WIRELESS COMMUNICATION COIL, TRANSFER COIL AND PORTABLE WIRELESS TERMINAL
JP6151185B2 (ja) * 2011-11-08 2017-06-21 株式会社東芝 非接触受電装置用磁性シートとそれを用いた非接触受電装置、電子機器、並びに非接触充電装置
US9230732B2 (en) * 2012-01-17 2016-01-05 Texas Instruments Incorporated Wireless power transfer
JP2014049479A (ja) * 2012-08-29 2014-03-17 Panasonic Corp コイルユニット
JP6050667B2 (ja) * 2012-12-04 2016-12-21 デクセリアルズ株式会社 コイルモジュール、非接触電力伝送用アンテナユニット、及び電子機器
US10566824B2 (en) * 2015-08-04 2020-02-18 Amosense Co., Ltd. Wireless power transfer module for vehicles
US10332671B2 (en) * 2015-11-08 2019-06-25 Qualcomm Incorporated Solenoid inductor
US10561049B2 (en) * 2016-10-28 2020-02-11 Integrated Device Technology, Inc. Interference filter for wireless power transfer systems

Also Published As

Publication number Publication date
CN112655134A (zh) 2021-04-13
CN112655134B (zh) 2024-03-15
EP3611820A1 (en) 2020-02-19
KR20210042968A (ko) 2021-04-20
US20210320535A1 (en) 2021-10-14
BR112021002615A2 (pt) 2021-05-04
KR102780792B1 (ko) 2025-03-14
MX2021001635A (es) 2021-05-12
PL3837755T3 (pl) 2023-07-17
WO2020035343A1 (en) 2020-02-20
JP7319352B2 (ja) 2023-08-01
EP3837755A1 (en) 2021-06-23
JP2021533723A (ja) 2021-12-02
US11398753B2 (en) 2022-07-26
ES2945728T3 (es) 2023-07-06
FI3837755T3 (fi) 2023-05-11
EP3837755B1 (en) 2023-03-15

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