GB0305428D0 - Battery charging system - Google Patents

Battery charging system

Info

Publication number
GB0305428D0
GB0305428D0 GBGB0305428.5A GB0305428A GB0305428D0 GB 0305428 D0 GB0305428 D0 GB 0305428D0 GB 0305428 A GB0305428 A GB 0305428A GB 0305428 D0 GB0305428 D0 GB 0305428D0
Authority
GB
United Kingdom
Prior art keywords
charging system
battery charging
battery
charging
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.)
Granted
Application number
GBGB0305428.5A
Other versions
GB2399466A (en
GB2399466B (en
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
Priority to GB0305428A priority Critical patent/GB2399466B/en
Publication of GB0305428D0 publication Critical patent/GB0305428D0/en
Priority to EP12002623.2A priority patent/EP2479866B1/en
Priority to AU2003229145A priority patent/AU2003229145A1/en
Priority to EP13175154.7A priority patent/EP2685594B1/en
Priority to PCT/AU2003/000721 priority patent/WO2003105308A1/en
Priority to EP03724675.8A priority patent/EP1547222B1/en
Publication of GB2399466A publication Critical patent/GB2399466A/en
Priority to US11/009,478 priority patent/US7164255B2/en
Application granted granted Critical
Publication of GB2399466B publication Critical patent/GB2399466B/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
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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)
GB0305428A 2002-01-11 2003-03-10 Battery charging system Expired - Lifetime GB2399466B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB0305428A GB2399466B (en) 2003-03-10 2003-03-10 Battery charging system
PCT/AU2003/000721 WO2003105308A1 (en) 2002-01-11 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
EP12002623.2A EP2479866B1 (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
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
GB0305428A GB2399466B (en) 2003-03-10 2003-03-10 Battery charging system

Publications (3)

Publication Number Publication Date
GB0305428D0 true GB0305428D0 (en) 2003-04-16
GB2399466A GB2399466A (en) 2004-09-15
GB2399466B GB2399466B (en) 2005-11-16

Family

ID=9954466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0305428A Expired - Lifetime GB2399466B (en) 2002-01-11 2003-03-10 Battery charging system

Country Status (1)

Country Link
GB (1) GB2399466B (en)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7065658B1 (en) 2001-05-18 2006-06-20 Palm, Incorporated Method and apparatus for synchronizing and recharging a connector-less portable computer system
GB2388715B (en) 2002-05-13 2005-08-03 Splashpower Ltd Improvements relating to the transfer of electromagnetic power
GB0229141D0 (en) 2002-12-16 2003-01-15 Splashpower Ltd Improvements relating to contact-less power transfer
GB2416248B (en) * 2003-05-02 2007-02-21 George Alan Limpkin Apparatus for supplying energy to a load and a related system
WO2007118911A1 (en) * 2006-04-18 2007-10-25 Jose Luis De La Torre Barreiro Radiofrequency-rechargeable emergency battery unit for mobile telephones
ES2317771B1 (en) * 2007-01-09 2010-02-03 Elias Jose Martin Montes CHARGER ORGANIZER.
AU2008211541B2 (en) 2007-01-29 2012-03-08 Powermat Technologies Ltd. Pinless power coupling
EP4372951A3 (en) 2007-03-22 2024-07-31 Powermat Technologies Ltd. Efficiency monitor for inductive power transmission
FI120853B (en) 2007-09-18 2010-03-31 Powerkiss Oy Energy transfer device and method
KR20100061845A (en) 2007-09-25 2010-06-09 파우워매트 엘티디. Adjustable inductive power transmission platform
US10068701B2 (en) 2007-09-25 2018-09-04 Powermat Technologies Ltd. Adjustable inductive power transmission platform
US8193769B2 (en) 2007-10-18 2012-06-05 Powermat Technologies, Ltd Inductively chargeable audio devices
US20100219183A1 (en) 2007-11-19 2010-09-02 Powermat Ltd. System for inductive power provision within a bounding surface
US8536737B2 (en) 2007-11-19 2013-09-17 Powermat Technologies, Ltd. System for inductive power provision in wet environments
RU2010133056A (en) 2008-01-07 2012-02-20 Эксесс Бизнес Груп Интернейшнл Ллс (Us) WIRELESS POWER ADAPTER FOR COMPUTER
US9960640B2 (en) 2008-03-17 2018-05-01 Powermat Technologies Ltd. System and method for regulating inductive power transmission
US9331750B2 (en) 2008-03-17 2016-05-03 Powermat Technologies Ltd. Wireless power receiver and host control interface thereof
CA2718901C (en) 2008-03-17 2018-10-16 Powermat Ltd. Inductive transmission system
US9960642B2 (en) 2008-03-17 2018-05-01 Powermat Technologies Ltd. Embedded interface for wireless power transfer to electrical devices
US9337902B2 (en) 2008-03-17 2016-05-10 Powermat Technologies Ltd. System and method for providing wireless power transfer functionality to an electrical device
US8320143B2 (en) 2008-04-15 2012-11-27 Powermat Technologies, Ltd. Bridge synchronous rectifier
WO2009147664A1 (en) 2008-06-02 2009-12-10 Powermat Ltd. Appliance mounted power outlets
TWI364895B (en) 2008-06-09 2012-05-21 Univ Nat Taipei Technology Wireless power transmitting apparatus
US8981598B2 (en) 2008-07-02 2015-03-17 Powermat Technologies Ltd. Energy efficient inductive power transmission system and method
US11979201B2 (en) 2008-07-02 2024-05-07 Powermat Technologies Ltd. System and method for coded communication signals regulating inductive power transmissions
US8188619B2 (en) 2008-07-02 2012-05-29 Powermat Technologies Ltd Non resonant inductive power transmission system and method
AU2009269574A1 (en) 2008-07-08 2010-01-14 Powermat Technologies Ltd. Display device
US7855529B2 (en) 2008-07-16 2010-12-21 ConvenientPower HK Ltd. Inductively powered sleeve for mobile electronic device
USD640976S1 (en) 2008-08-28 2011-07-05 Hewlett-Packard Development Company, L.P. Support structure and/or cradle for a mobile computing device
WO2010035256A2 (en) 2008-09-23 2010-04-01 Powermat Ltd. Combined antenna and inductive power receiver
US8868939B2 (en) 2008-09-26 2014-10-21 Qualcomm Incorporated Portable power supply device with outlet connector
US8712324B2 (en) 2008-09-26 2014-04-29 Qualcomm Incorporated Inductive signal transfer system for computing 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
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
US8527688B2 (en) 2008-09-26 2013-09-03 Palm, Inc. Extending device functionality amongst inductively linked 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
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
US9083686B2 (en) 2008-11-12 2015-07-14 Qualcomm Incorporated Protocol for program during startup sequence
WO2010078557A2 (en) 2009-01-05 2010-07-08 Palm, Inc. Interior connector scheme for accessorizing a mobile computing device with a removeable housing segment
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
US8954001B2 (en) 2009-07-21 2015-02-10 Qualcomm Incorporated Power bridge circuit for bi-directional wireless power transmission
US8755815B2 (en) 2010-08-31 2014-06-17 Qualcomm Incorporated Use of wireless access point ID for position determination
US8395547B2 (en) 2009-08-27 2013-03-12 Hewlett-Packard Development Company, L.P. Location tracking for mobile computing device
USD674391S1 (en) 2009-11-17 2013-01-15 Hewlett-Packard Development Company, L.P. Docking station for a computing device
CN103222319B (en) 2010-09-29 2016-08-10 高通股份有限公司 A kind of method for mobile computing device and mobile computing device
CN102130482A (en) * 2011-03-21 2011-07-20 深圳桑菲消费通信有限公司 General multifunctional wireless charge jacket
US10523036B2 (en) 2016-12-14 2019-12-31 Shenzhen Yichong Wireless Power Technology Co. Ltd Resonant wireless charging system and method for electric toothbrush

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959433A (en) * 1997-08-22 1999-09-28 Centurion Intl., Inc. Universal inductive battery charger system
US7518267B2 (en) * 2003-02-04 2009-04-14 Access Business Group International Llc Power adapter for a remote device
GB0229141D0 (en) * 2002-12-16 2003-01-15 Splashpower Ltd Improvements relating to contact-less power transfer

Also Published As

Publication number Publication date
GB2399466A (en) 2004-09-15
GB2399466B (en) 2005-11-16

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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)
PE20 Patent expired after termination of 20 years

Expiry date: 20230309