WO2009149426A3 - Ferrite antennas for wireless power transfer - Google Patents

Ferrite antennas for wireless power transfer Download PDF

Info

Publication number
WO2009149426A3
WO2009149426A3 PCT/US2009/046513 US2009046513W WO2009149426A3 WO 2009149426 A3 WO2009149426 A3 WO 2009149426A3 US 2009046513 W US2009046513 W US 2009046513W WO 2009149426 A3 WO2009149426 A3 WO 2009149426A3
Authority
WO
WIPO (PCT)
Prior art keywords
wireless power
power transfer
ferrite antennas
ferrite
antennas
Prior art date
Application number
PCT/US2009/046513
Other languages
French (fr)
Other versions
WO2009149426A2 (en
Inventor
Nigel Cook
Lukas Sieber
Hanspeter Widmer
Peter Schwainger
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Priority to EP09759584A priority Critical patent/EP2304859A2/en
Priority to CN200980120849.XA priority patent/CN102057552B/en
Priority to KR1020117000180A priority patent/KR101256741B1/en
Priority to JP2011512724A priority patent/JP5587304B2/en
Publication of WO2009149426A2 publication Critical patent/WO2009149426A2/en
Publication of WO2009149426A3 publication Critical patent/WO2009149426A3/en

Links

Classifications

    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • 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
    • H02J50/005—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
    • 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

Abstract

Ferrite core antenna used for transmitting or receiving wireless power. The antenna can move relative to the core.
PCT/US2009/046513 2008-06-05 2009-06-05 Ferrite antennas for wireless power transfer WO2009149426A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP09759584A EP2304859A2 (en) 2008-06-05 2009-06-05 Ferrite antennas for wireless power transfer
CN200980120849.XA CN102057552B (en) 2008-06-05 2009-06-05 Ferrite antennas for wireless power transfer
KR1020117000180A KR101256741B1 (en) 2008-06-05 2009-06-05 Ferrite antennas for wireless power transfer
JP2011512724A JP5587304B2 (en) 2008-06-05 2009-06-05 Ferrite antenna for wireless power transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5924108P 2008-06-05 2008-06-05
US61/059,241 2008-06-05

Publications (2)

Publication Number Publication Date
WO2009149426A2 WO2009149426A2 (en) 2009-12-10
WO2009149426A3 true WO2009149426A3 (en) 2010-02-04

Family

ID=41111374

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/046513 WO2009149426A2 (en) 2008-06-05 2009-06-05 Ferrite antennas for wireless power transfer

Country Status (6)

Country Link
US (1) US8253278B2 (en)
EP (1) EP2304859A2 (en)
JP (1) JP5587304B2 (en)
KR (1) KR101256741B1 (en)
CN (1) CN102057552B (en)
WO (1) WO2009149426A2 (en)

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US11329511B2 (en) 2006-06-01 2022-05-10 Mojo Mobility Inc. Power source, charging system, and inductive receiver for mobile devices
US7948208B2 (en) 2006-06-01 2011-05-24 Mojo Mobility, Inc. Power source, charging system, and inductive receiver for mobile devices
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US11342777B2 (en) 2011-01-18 2022-05-24 Mojo Mobility, Inc. Powering and/or charging with more than one protocol
US10115520B2 (en) 2011-01-18 2018-10-30 Mojo Mobility, Inc. Systems and method for wireless power transfer
US9178369B2 (en) 2011-01-18 2015-11-03 Mojo Mobility, Inc. Systems and methods for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system
US9496732B2 (en) 2011-01-18 2016-11-15 Mojo Mobility, Inc. Systems and methods for wireless power transfer
JP5071574B1 (en) * 2011-07-05 2012-11-14 ソニー株式会社 Sensing device, power receiving device, non-contact power transmission system, and sensing method
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US20130271069A1 (en) 2012-03-21 2013-10-17 Mojo Mobility, Inc. Systems and methods for wireless power transfer
US9722447B2 (en) 2012-03-21 2017-08-01 Mojo Mobility, Inc. System and method for charging or powering devices, such as robots, electric vehicles, or other mobile devices or equipment
US9837846B2 (en) 2013-04-12 2017-12-05 Mojo Mobility, Inc. System and method for powering or charging receivers or devices having small surface areas or volumes
JP6140005B2 (en) * 2013-06-27 2017-05-31 株式会社東芝 Power transmission device, power reception device, and wireless power transmission system
KR101428408B1 (en) 2013-08-12 2014-08-07 현대자동차주식회사 Apparatus for control of a magnetic field distribution and Transmitter using the same
US10461582B2 (en) * 2014-03-31 2019-10-29 Qualcomm Incorporated Systems, apparatus, and methods for wireless power receiver coil configuration
TWI526695B (en) 2014-12-11 2016-03-21 國立臺灣大學 Method for predicting electromagnetic radiation characteristics, computer-readable recording medium and simulator
US10424968B2 (en) * 2014-12-23 2019-09-24 Uvic Industry Partnerships Inc. Methods and devices for controlling wireless power transfer levels
US20160341573A1 (en) * 2015-05-18 2016-11-24 Qualcomm Incorporated Integration of solenoid positioning antennas in wireless inductive charging power applications
US9647483B1 (en) 2015-06-29 2017-05-09 The United States Of America As Represented By The Secretary Of The Navy Closed magnetic wireless power transfer system
JP6077148B1 (en) 2016-01-22 2017-02-08 日本電信電話株式会社 Loop antenna
US20170256990A1 (en) * 2016-03-03 2017-09-07 Sanjaya Maniktala Receiver Coil Arrangements for Inductive Wireless Power Transfer for Portable Devices
US10879704B2 (en) 2016-08-26 2020-12-29 Nucurrent, Inc. Wireless connector receiver module
US10854379B2 (en) 2016-10-07 2020-12-01 Amosense Co., Ltd. Wireless power transfer antenna core and wireless power transfer module including same
JP6243569B1 (en) * 2017-06-20 2017-12-06 日本電信電話株式会社 Loop antenna
US11444485B2 (en) 2019-02-05 2022-09-13 Mojo Mobility, Inc. Inductive charging system with charging electronics physically separated from charging coil

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Also Published As

Publication number Publication date
JP2011523339A (en) 2011-08-04
KR101256741B1 (en) 2013-04-19
WO2009149426A2 (en) 2009-12-10
US8253278B2 (en) 2012-08-28
US20110095617A1 (en) 2011-04-28
CN102057552A (en) 2011-05-11
JP5587304B2 (en) 2014-09-10
EP2304859A2 (en) 2011-04-06
KR20110014714A (en) 2011-02-11
CN102057552B (en) 2015-05-20

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