GB2389720B - Planar inductive battery charger - Google Patents

Planar inductive battery charger

Info

Publication number
GB2389720B
GB2389720B GB0226893A GB0226893A GB2389720B GB 2389720 B GB2389720 B GB 2389720B GB 0226893 A GB0226893 A GB 0226893A GB 0226893 A GB0226893 A GB 0226893A GB 2389720 B GB2389720 B GB 2389720B
Authority
GB
United Kingdom
Prior art keywords
battery charger
planar inductive
inductive battery
planar
charger
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.)
Expired - Lifetime
Application number
GB0226893A
Other versions
GB0226893D0 (en
GB2389720A (en
Inventor
Ron Shu-Yuen Hui
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.)
City University of Hong Kong CityU
Original Assignee
City University of Hong Kong CityU
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 City University of Hong Kong CityU filed Critical City University of Hong Kong CityU
Publication of GB0226893D0 publication Critical patent/GB0226893D0/en
Priority to EP03724675.8A priority Critical patent/EP1547222B1/en
Priority to AU2003229145A priority patent/AU2003229145A1/en
Priority to EP13175154.7A priority patent/EP2685594B1/en
Priority to EP12002623.2A priority patent/EP2479866B1/en
Priority to PCT/AU2003/000721 priority patent/WO2003105308A1/en
Publication of GB2389720A publication Critical patent/GB2389720A/en
Priority to US11/009,478 priority patent/US7164255B2/en
Application granted granted Critical
Publication of GB2389720B publication Critical patent/GB2389720B/en
Priority to US11/610,860 priority patent/US7576514B2/en
Priority to US12/486,572 priority patent/US7872445B2/en
Priority to US12/950,814 priority patent/US8269456B2/en
Priority to US13/269,936 priority patent/US8917057B2/en
Priority to US13/426,525 priority patent/US8299753B2/en
Priority to US13/622,278 priority patent/US8519668B2/en
Priority to US14/542,452 priority patent/US9812889B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • 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
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and 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
    • H02J50/10—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
    • H02J50/70—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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H01F2017/008—Electric or magnetic shielding of printed inductances
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB0226893A 2002-01-11 2002-11-18 Planar inductive battery charger Expired - Lifetime GB2389720B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
EP12002623.2A EP2479866B1 (en) 2002-06-10 2003-06-10 Planar inductive battery charger
AU2003229145A AU2003229145A1 (en) 2002-06-10 2003-06-10 Planar inductive battery charger
EP13175154.7A EP2685594B1 (en) 2002-06-10 2003-06-10 Planar inductive battery charger
EP03724675.8A EP1547222B1 (en) 2002-06-10 2003-06-10 Planar inductive battery charger
PCT/AU2003/000721 WO2003105308A1 (en) 2002-01-11 2003-06-10 Planar inductive battery charger
US11/009,478 US7164255B2 (en) 2002-06-10 2004-12-10 Inductive battery charger system with primary transformer windings formed in a multi-layer structure
US11/610,860 US7576514B2 (en) 2002-06-10 2006-12-14 Planar inductive battery charging system
US12/486,572 US7872445B2 (en) 2002-06-10 2009-06-17 Rechargeable battery powered portable electronic device
US12/950,814 US8269456B2 (en) 2002-06-10 2010-11-19 Secondary module for battery charging system
US13/269,936 US8917057B2 (en) 2002-06-10 2011-10-10 Battery charging system
US13/426,525 US8299753B2 (en) 2002-06-10 2012-03-21 Inductive battery charger system with primary transfomer windings formed in a multi-layer structure
US13/622,278 US8519668B2 (en) 2002-06-10 2012-09-18 Inductive battery charger system with primary transformer windings formed in a multi-layer structure
US14/542,452 US9812889B2 (en) 2002-06-10 2014-11-14 Battery charging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0213374.2A GB0213374D0 (en) 2002-06-10 2002-06-10 Planar inductive battery charger

Publications (3)

Publication Number Publication Date
GB0226893D0 GB0226893D0 (en) 2002-12-24
GB2389720A GB2389720A (en) 2003-12-17
GB2389720B true GB2389720B (en) 2005-09-07

Family

ID=9938352

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0213374.2A Ceased GB0213374D0 (en) 2002-01-11 2002-06-10 Planar inductive battery charger
GB0226893A Expired - Lifetime GB2389720B (en) 2002-01-11 2002-11-18 Planar inductive battery charger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0213374.2A Ceased GB0213374D0 (en) 2002-01-11 2002-06-10 Planar inductive battery charger

Country Status (1)

Country Link
GB (2) GB0213374D0 (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952324B2 (en) 2002-05-13 2011-05-31 Access Business Group International Llc Contact-less power transfer
USD640976S1 (en) 2008-08-28 2011-07-05 Hewlett-Packard Development Company, L.P. Support structure and/or cradle for a mobile computing device
US8234509B2 (en) 2008-09-26 2012-07-31 Hewlett-Packard Development Company, L.P. Portable power supply device for mobile computing devices
US8305741B2 (en) 2009-01-05 2012-11-06 Hewlett-Packard Development Company, L.P. Interior connector scheme for accessorizing a mobile computing device with a removeable housing segment
US8385822B2 (en) 2008-09-26 2013-02-26 Hewlett-Packard Development Company, L.P. Orientation and presence detection for use in configuring operations of computing devices in docked environments
US8395547B2 (en) 2009-08-27 2013-03-12 Hewlett-Packard Development Company, L.P. Location tracking for mobile computing device
US8401469B2 (en) 2008-09-26 2013-03-19 Hewlett-Packard Development Company, L.P. Shield for use with a computing device that receives an inductive signal transmission
US8437695B2 (en) 2009-07-21 2013-05-07 Hewlett-Packard Development Company, L.P. Power bridge circuit for bi-directional inductive signaling
USD687038S1 (en) 2009-11-17 2013-07-30 Palm, Inc. Docking station for a computing device
US8527688B2 (en) 2008-09-26 2013-09-03 Palm, Inc. Extending device functionality amongst inductively linked devices
US8688037B2 (en) 2008-09-26 2014-04-01 Hewlett-Packard Development Company, L.P. Magnetic latching mechanism for use in mating a mobile computing device to an accessory device
US8712324B2 (en) 2008-09-26 2014-04-29 Qualcomm Incorporated Inductive signal transfer system for computing devices
US8755815B2 (en) 2010-08-31 2014-06-17 Qualcomm Incorporated Use of wireless access point ID for position determination
US8850045B2 (en) 2008-09-26 2014-09-30 Qualcomm Incorporated System and method for linking and sharing resources amongst devices
US8868939B2 (en) 2008-09-26 2014-10-21 Qualcomm Incorporated Portable power supply device with outlet connector
US8954001B2 (en) 2009-07-21 2015-02-10 Qualcomm Incorporated Power bridge circuit for bi-directional wireless power transmission
US9083686B2 (en) 2008-11-12 2015-07-14 Qualcomm Incorporated Protocol for program during startup sequence
US9097544B2 (en) 2009-08-27 2015-08-04 Qualcomm Incorporated Location tracking for mobile computing device
US9201457B1 (en) 2001-05-18 2015-12-01 Qualcomm Incorporated Synchronizing and recharging a connector-less portable computer system
US9395827B2 (en) 2009-07-21 2016-07-19 Qualcomm Incorporated System for detecting orientation of magnetically coupled devices
US10523036B2 (en) 2016-12-14 2019-12-31 Shenzhen Yichong Wireless Power Technology Co. Ltd Resonant wireless charging system and method for electric toothbrush
USRE48483E1 (en) * 2009-05-13 2021-03-23 Canon Kabushiki Kaisha Power-supplying device, control method for the same, and power-supplying system

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2399229B (en) * 2002-05-13 2005-11-09 Splashpower Ltd Inductive power transfer system having areas with horizontal field
US6906495B2 (en) 2002-05-13 2005-06-14 Splashpower Limited Contact-less power transfer
GB2393860B (en) 2002-09-27 2006-02-15 Zap Wireless Technologies Ltd Improvements relating to retention of rechargeable devices
US7622891B2 (en) 2002-10-28 2009-11-24 Access Business Group International Llc Contact-less power transfer
GB0229141D0 (en) 2002-12-16 2003-01-15 Splashpower Ltd Improvements relating to contact-less power transfer
GB0320960D0 (en) * 2003-09-08 2003-10-08 Splashpower Ltd Improvements relating to improving flux patterns of inductive charging pads
GB2414120B (en) 2004-05-11 2008-04-02 Splashpower Ltd Controlling inductive power transfer systems
DE102004045134B4 (en) * 2004-09-17 2007-08-02 Reinhard Prigge Computer mouse and computer system
US7271569B2 (en) * 2004-09-21 2007-09-18 Motorola Inc. Contact less charger with alignment indicator
ATE427576T1 (en) * 2005-02-04 2009-04-15 Research In Motion Ltd DEVICE AND METHOD FOR CHARGING A BATTERY VIA CAPACITIVE COUPLING
KR100724962B1 (en) * 2005-08-18 2007-06-04 삼성전자주식회사 Contactless battery charger
GB0517082D0 (en) * 2005-08-19 2005-09-28 Univ City Hong Kong Auxiliary winding for improved performance of a planar inductive charging platform
EP1927176B1 (en) 2005-09-12 2019-11-20 Philips Intellectual Property & Standards GmbH Device for recharging batteries
US7915858B2 (en) 2007-10-30 2011-03-29 City University Of Hong Kong Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system
US8228025B2 (en) 2007-11-09 2012-07-24 City University Of Hong Kong Electronic control method for a planar inductive battery charging apparatus
EP2690739A2 (en) 2007-12-21 2014-01-29 Access Business Group International LLC Circuitry for inductive power transfer
KR20100095006A (en) 2008-01-07 2010-08-27 액세스 비지니스 그룹 인터내셔날 엘엘씨 Wireless power adapter for computer
TWI364895B (en) 2008-06-09 2012-05-21 Univ Nat Taipei Technology Wireless power transmitting apparatus
WO2010068062A2 (en) 2008-12-12 2010-06-17 주식회사 한림포스텍 Contactless power transmission device
JP5173901B2 (en) * 2009-03-13 2013-04-03 三菱電機株式会社 Contactless power supply / reception device
AU2010234396A1 (en) 2009-04-08 2011-10-27 Access Business Group International Llc Selectable coil array
CN102906832B (en) 2010-05-28 2017-06-09 皇家飞利浦电子股份有限公司 For the transmitter module used in Modular electrical force transmission system
WO2012027531A1 (en) * 2010-08-25 2012-03-01 Access Business Group International Llc Wireless power supply system and multi-layer shim assembly
WO2012150293A1 (en) * 2011-05-03 2012-11-08 Scholz Peter-Dominik Arrangement and method for contactless energy transmission with a coupling-minimized matrix of planar transmission coils
US9087637B2 (en) * 2012-07-29 2015-07-21 Qualcomm Incorporated Universal apparatus for wireless device charging using radio frequency (RF) energy
RU2524920C1 (en) * 2013-01-15 2014-08-10 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Shielded system of wireless multi-position charging of mobile devices
US9438315B2 (en) 2014-07-03 2016-09-06 ConvenientPower HK Ltd. Wireless power adapter
US10128663B2 (en) * 2014-10-30 2018-11-13 Qualcomm Incorporated Wireless power transfer using stacked resonators
US10277043B2 (en) 2016-09-23 2019-04-30 Apple Inc. Wireless charging mats for portable electronic devices
CN110999029A (en) 2017-05-30 2020-04-10 无线先进车辆电气化有限公司 Single-point feed multi-pad wireless charging
US11462943B2 (en) 2018-01-30 2022-10-04 Wireless Advanced Vehicle Electrification, Llc DC link charging of capacitor in a wireless power transfer pad
US10910879B2 (en) 2018-06-11 2021-02-02 Convenientpower Hk Limited Passive wireless power adapter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528113A (en) * 1993-10-21 1996-06-18 Boys; John T. Inductive power pick-up coils
JPH1195922A (en) * 1997-09-22 1999-04-09 Tokin Corp Mouse pad, cordless mouse and combination thereof
US5959433A (en) * 1997-08-22 1999-09-28 Centurion Intl., Inc. Universal inductive battery charger system
US6008622A (en) * 1997-09-29 1999-12-28 Nec Moli Energy Corp. Non-contact battery charging equipment using a soft magnetic plate
GB2399225A (en) * 2002-05-13 2004-09-08 Splashpower Ltd Inductive power transfer system having a horizontal magnetic field

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528113A (en) * 1993-10-21 1996-06-18 Boys; John T. Inductive power pick-up coils
US5959433A (en) * 1997-08-22 1999-09-28 Centurion Intl., Inc. Universal inductive battery charger system
JPH1195922A (en) * 1997-09-22 1999-04-09 Tokin Corp Mouse pad, cordless mouse and combination thereof
US6008622A (en) * 1997-09-29 1999-12-28 Nec Moli Energy Corp. Non-contact battery charging equipment using a soft magnetic plate
GB2399225A (en) * 2002-05-13 2004-09-08 Splashpower Ltd Inductive power transfer system having a horizontal magnetic field

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9201457B1 (en) 2001-05-18 2015-12-01 Qualcomm Incorporated Synchronizing and recharging a connector-less portable computer system
US7952324B2 (en) 2002-05-13 2011-05-31 Access Business Group International Llc Contact-less power transfer
USD640976S1 (en) 2008-08-28 2011-07-05 Hewlett-Packard Development Company, L.P. Support structure and/or cradle for a mobile computing device
US8527688B2 (en) 2008-09-26 2013-09-03 Palm, Inc. Extending device functionality amongst inductively linked devices
US8385822B2 (en) 2008-09-26 2013-02-26 Hewlett-Packard Development Company, L.P. Orientation and presence detection for use in configuring operations of computing devices in docked environments
US8401469B2 (en) 2008-09-26 2013-03-19 Hewlett-Packard Development Company, L.P. Shield for use with a computing device that receives an inductive signal transmission
US8868939B2 (en) 2008-09-26 2014-10-21 Qualcomm Incorporated Portable power supply device with outlet connector
US8688037B2 (en) 2008-09-26 2014-04-01 Hewlett-Packard Development Company, L.P. Magnetic latching mechanism for use in mating a mobile computing device to an accessory device
US8712324B2 (en) 2008-09-26 2014-04-29 Qualcomm Incorporated Inductive signal transfer system for computing devices
US8234509B2 (en) 2008-09-26 2012-07-31 Hewlett-Packard Development Company, L.P. Portable power supply device for mobile computing devices
US8850045B2 (en) 2008-09-26 2014-09-30 Qualcomm Incorporated System and method for linking and sharing resources amongst devices
US9083686B2 (en) 2008-11-12 2015-07-14 Qualcomm Incorporated Protocol for program during startup sequence
US8305741B2 (en) 2009-01-05 2012-11-06 Hewlett-Packard Development Company, L.P. Interior connector scheme for accessorizing a mobile computing device with a removeable housing segment
USRE48483E1 (en) * 2009-05-13 2021-03-23 Canon Kabushiki Kaisha Power-supplying device, control method for the same, and power-supplying system
US8954001B2 (en) 2009-07-21 2015-02-10 Qualcomm Incorporated Power bridge circuit for bi-directional wireless power transmission
US8437695B2 (en) 2009-07-21 2013-05-07 Hewlett-Packard Development Company, L.P. Power bridge circuit for bi-directional inductive signaling
US9395827B2 (en) 2009-07-21 2016-07-19 Qualcomm Incorporated System for detecting orientation of magnetically coupled devices
US9097544B2 (en) 2009-08-27 2015-08-04 Qualcomm Incorporated Location tracking for mobile computing device
US8395547B2 (en) 2009-08-27 2013-03-12 Hewlett-Packard Development Company, L.P. Location tracking for mobile computing device
USD687038S1 (en) 2009-11-17 2013-07-30 Palm, Inc. Docking station for a computing device
US8755815B2 (en) 2010-08-31 2014-06-17 Qualcomm Incorporated Use of wireless access point ID for position determination
US10523036B2 (en) 2016-12-14 2019-12-31 Shenzhen Yichong Wireless Power Technology Co. Ltd Resonant wireless charging system and method for electric toothbrush

Also Published As

Publication number Publication date
GB0226893D0 (en) 2002-12-24
GB0213374D0 (en) 2002-07-24
GB2389720A (en) 2003-12-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141118

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20160105

PE20 Patent expired after termination of 20 years

Expiry date: 20221117