AU2017211647B2 - Wireless power transfer in an electronic device having a tuned metallic body - Google Patents

Wireless power transfer in an electronic device having a tuned metallic body Download PDF

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Publication number
AU2017211647B2
AU2017211647B2 AU2017211647A AU2017211647A AU2017211647B2 AU 2017211647 B2 AU2017211647 B2 AU 2017211647B2 AU 2017211647 A AU2017211647 A AU 2017211647A AU 2017211647 A AU2017211647 A AU 2017211647A AU 2017211647 B2 AU2017211647 B2 AU 2017211647B2
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AU
Australia
Prior art keywords
electrically conductive
magnetic field
circuit
receiving element
resonant frequency
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.)
Active
Application number
AU2017211647A
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English (en)
Other versions
AU2017211647A1 (en
Inventor
Francesco Carobolante
Seong Heon Jeong
Charles Edward Wheatley
Mark WHITE II
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Inc filed Critical Qualcomm Inc
Publication of AU2017211647A1 publication Critical patent/AU2017211647A1/en
Application granted granted Critical
Publication of AU2017211647B2 publication Critical patent/AU2017211647B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01F27/02—Casings
    • 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
    • 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—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
    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • H04B5/70—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
    • 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
    • H02J50/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
AU2017211647A 2016-01-29 2017-01-04 Wireless power transfer in an electronic device having a tuned metallic body Active AU2017211647B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662288685P 2016-01-29 2016-01-29
US62/288,685 2016-01-29
US15/231,325 US10333334B2 (en) 2016-01-29 2016-08-08 Wireless power transfer in an electronic device having a tuned metallic body
US15/231,325 2016-08-08
PCT/US2017/012072 WO2017131931A1 (en) 2016-01-29 2017-01-04 Wireless power transfer in an electronic device having a tuned metallic body

Publications (2)

Publication Number Publication Date
AU2017211647A1 AU2017211647A1 (en) 2018-07-19
AU2017211647B2 true AU2017211647B2 (en) 2020-08-20

Family

ID=59385744

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2017211647A Active AU2017211647B2 (en) 2016-01-29 2017-01-04 Wireless power transfer in an electronic device having a tuned metallic body

Country Status (8)

Country Link
US (2) US10333334B2 (enExample)
EP (1) EP3408915B1 (enExample)
JP (1) JP2019512197A (enExample)
KR (1) KR20180105655A (enExample)
CN (1) CN108684208A (enExample)
AU (1) AU2017211647B2 (enExample)
TW (1) TW201801445A (enExample)
WO (2) WO2017131916A1 (enExample)

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US10505254B2 (en) * 2017-07-28 2019-12-10 Stmicroelectronics, Inc. Antenna design for active load modulation in a near field communication transponder device
US10462417B2 (en) * 2017-08-31 2019-10-29 Apple Inc. Methods and apparatus for reducing electromagnetic interference resultant from data transmission over a high-speed audio/visual interface
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Also Published As

Publication number Publication date
TW201801445A (zh) 2018-01-01
KR20180105655A (ko) 2018-09-28
EP3408915A1 (en) 2018-12-05
US10333334B2 (en) 2019-06-25
WO2017131916A1 (en) 2017-08-03
EP3408915B1 (en) 2022-03-16
US20170222467A1 (en) 2017-08-03
WO2017131931A1 (en) 2017-08-03
BR112018015387A2 (pt) 2018-12-18
US10312716B2 (en) 2019-06-04
AU2017211647A1 (en) 2018-07-19
JP2019512197A (ja) 2019-05-09
US20170222481A1 (en) 2017-08-03
CN108684208A (zh) 2018-10-19

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Legal Events

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DA3 Amendments made section 104

Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE NAME OF THE INVENTOR TO READ JEONG, SEONG HEON; WHEATLEY, CHARLES EDWARD; CAROBOLANTE, FRANCESCO AND WHITE II, MARK

FGA Letters patent sealed or granted (standard patent)