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GB2399226B - Inductive power transfer system with moving field - Google Patents

Inductive power transfer system with moving field

Info

Publication number
GB2399226B
GB2399226B GB0409707A GB0409707A GB2399226B GB 2399226 B GB2399226 B GB 2399226B GB 0409707 A GB0409707 A GB 0409707A GB 0409707 A GB0409707 A GB 0409707A GB 2399226 B GB2399226 B GB 2399226B
Authority
GB
United Kingdom
Prior art keywords
transfer system
power transfer
inductive power
moving field
moving
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 - Fee Related
Application number
GB0409707A
Other versions
GB2399226A (en
GB0409707D0 (en
Inventor
Lily Ka-Lai Cheng
James Westwood Hay
Pilgrim Giles William Beart
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.)
Splashpower Ltd
Original Assignee
Splashpower Ltd
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
Priority claimed from GBGB0210886.8A external-priority patent/GB0210886D0/en
Priority claimed from GBGB0225006.6A external-priority patent/GB0225006D0/en
Application filed by Splashpower Ltd filed Critical Splashpower Ltd
Priority claimed from GB0310956A external-priority patent/GB2388716B/en
Publication of GB0409707D0 publication Critical patent/GB0409707D0/en
Publication of GB2399226A publication Critical patent/GB2399226A/en
Application granted granted Critical
Publication of GB2399226B publication Critical patent/GB2399226B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/003—Printed circuit coils
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • H01F41/0226—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) from amorphous ribbons

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB0409707A 2002-05-13 2003-05-13 Inductive power transfer system with moving field Expired - Fee Related GB2399226B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0210886.8A GB0210886D0 (en) 2002-05-13 2002-05-13 Improvements relating to contact-less power transfer
GBGB0213024.3A GB0213024D0 (en) 2002-05-13 2002-06-07 Improvements relating to contact-less power transfer
GBGB0225006.6A GB0225006D0 (en) 2002-05-13 2002-10-28 Inductive battery recharging system
GBGB0228425.5A GB0228425D0 (en) 2002-05-13 2002-12-06 Improvements relating to contact-less power transfer
GB0310956A GB2388716B (en) 2002-05-13 2003-05-13 Improvements relating to contact-less power transfer

Publications (3)

Publication Number Publication Date
GB0409707D0 GB0409707D0 (en) 2004-06-02
GB2399226A GB2399226A (en) 2004-09-08
GB2399226B true GB2399226B (en) 2005-06-15

Family

ID=32854526

Family Applications (6)

Application Number Title Priority Date Filing Date
GB0409705A Expired - Fee Related GB2399225B (en) 2002-05-13 2003-05-13 Inductive power transfer system having horizontal field
GB0409707A Expired - Fee Related GB2399226B (en) 2002-05-13 2003-05-13 Inductive power transfer system with moving field
GB0409710A Expired - Fee Related GB2399229B (en) 2002-05-13 2003-05-13 Inductive power transfer system having areas with horizontal field
GB0409708A Expired - Fee Related GB2399227B (en) 2002-05-13 2003-05-13 Inductive power transfer system for powering multiple devices
GB0409713A Expired - Fee Related GB2399230B (en) 2002-05-13 2003-05-13 Portable electrical or electrical devices for use in inductive power transfer systems
GB0409709A Expired - Fee Related GB2399228B (en) 2002-05-13 2003-05-13 Inductive power transfer system having uniform coupling

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0409705A Expired - Fee Related GB2399225B (en) 2002-05-13 2003-05-13 Inductive power transfer system having horizontal field

Family Applications After (4)

Application Number Title Priority Date Filing Date
GB0409710A Expired - Fee Related GB2399229B (en) 2002-05-13 2003-05-13 Inductive power transfer system having areas with horizontal field
GB0409708A Expired - Fee Related GB2399227B (en) 2002-05-13 2003-05-13 Inductive power transfer system for powering multiple devices
GB0409713A Expired - Fee Related GB2399230B (en) 2002-05-13 2003-05-13 Portable electrical or electrical devices for use in inductive power transfer systems
GB0409709A Expired - Fee Related GB2399228B (en) 2002-05-13 2003-05-13 Inductive power transfer system having uniform coupling

Country Status (1)

Country Link
GB (6) GB2399225B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6644412B2 (en) 2001-04-25 2003-11-11 Weatherford/Lamb, Inc. Flow control apparatus for use in a wellbore
GB0213374D0 (en) * 2002-06-10 2002-07-24 Univ City Hong Kong Planar inductive battery charger
EP2479866B1 (en) 2002-06-10 2018-07-18 City University of Hong Kong Planar inductive battery charger
US8917057B2 (en) 2002-06-10 2014-12-23 City University Of Hong Kong Battery charging system
GB2426872B (en) * 2003-05-02 2007-05-23 Inductronics Technology Ltd Apparatus for supplying energy to a load and a related system
DE102005015006B4 (en) 2005-04-01 2013-12-05 Vacuumschmelze Gmbh & Co. Kg magnetic core
US7495414B2 (en) 2005-07-25 2009-02-24 Convenient Power Limited Rechargeable battery circuit and structure for compatibility with a planar inductive charging platform
EP1927176B1 (en) * 2005-09-12 2019-11-20 Philips Intellectual Property & Standards GmbH Device for recharging batteries
DE102005053111B4 (en) * 2005-11-08 2020-08-20 Nejila Parspour Device and method for contactless energy transfer
US7514899B2 (en) 2005-11-18 2009-04-07 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Method and apparatus for optical wireless charging
EP1903688A1 (en) 2006-09-19 2008-03-26 Saab Ab Connector device
WO2008050260A1 (en) * 2006-10-26 2008-05-02 Philips Intellectual Property & Standards Gmbh Inductive power system and method of operation
US12083933B2 (en) 2007-05-10 2024-09-10 Auckland Uniservices Limited Systems and methods for battery charging
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
US20090160261A1 (en) * 2007-12-19 2009-06-25 Nokia Corporation Wireless energy transfer
ITRE20080077A1 (en) * 2008-08-07 2010-02-08 Andrea Spaggiari CAPACITIVE SYSTEM OF TRANSFER OF ELECTRIC POWER
JP5381011B2 (en) 2008-10-20 2014-01-08 トヨタ自動車株式会社 Power supply system
EP2256895A1 (en) * 2009-05-28 2010-12-01 Koninklijke Philips Electronics N.V. Inductive power system and method
BE1020190A3 (en) * 2011-08-12 2013-06-04 Sterkens Guy Jozef Eduard A CHARGING DEVICE FOR WIRELESS CHARGING AN EXTERNAL BATTERY.
KR101262556B1 (en) 2011-10-14 2013-05-08 엘지이노텍 주식회사 Wireless power transmission apparatus
EP2950422A1 (en) * 2014-05-16 2015-12-02 Samsung Electro-Mechanics Co., Ltd. Wireless charging transmitter and wireless charging system using the same
US9438315B2 (en) 2014-07-03 2016-09-06 ConvenientPower HK Ltd. Wireless power adapter
US10910879B2 (en) 2018-06-11 2021-02-02 Convenientpower Hk Limited Passive wireless power adapter

Citations (4)

* Cited by examiner, † Cited by third party
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GB2117579A (en) * 1982-03-24 1983-10-12 Terumo Corp Rechargeable electronic clinical thermometer
US5519262A (en) * 1992-11-17 1996-05-21 Wood; Mark B. Near field power coupling system
WO2001078216A1 (en) * 2000-04-11 2001-10-18 Light Sciences Corporation Contactless energy transfer apparatus
WO2001095432A1 (en) * 2000-06-02 2001-12-13 Yamatake Corporation Electromagnetic induction coupling apparatus

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US3673334A (en) * 1971-03-19 1972-06-27 Educational Service Programs I Antenna for use with an audio induction communication system
ZA823763B (en) * 1981-05-29 1983-05-25 Peter Frederick Barker Rechargeable battery system
GB2142480B (en) * 1983-06-29 1986-07-23 Marconi Avionics Inductive coupler system
JPH05234763A (en) * 1991-06-28 1993-09-10 Matsushita Electric Works Ltd Chargeable electrical device
FR2695285B3 (en) * 1992-09-02 1994-07-29 Cableco Sa LIGHTING ASSEMBLY COMPRISING A LAMP SUPPLIED BY THE SECTOR.
JPH0737737A (en) * 1993-07-19 1995-02-07 Tdk Corp Noncontact type charger
JP3182290B2 (en) * 1994-04-27 2001-07-03 三洋電機株式会社 Charging stand
US5536979A (en) * 1994-06-30 1996-07-16 Mceachern; Alexander Charger for hand-held rechargeable electric apparatus with switch for reduced magnetic field
JPH09266121A (en) * 1996-03-29 1997-10-07 Matsushita Electric Ind Co Ltd Non-contact type power supply
CA2252224A1 (en) * 1996-05-03 1997-11-13 Auckland Uniservices Limited Inductively powered battery charger
AU3046297A (en) * 1997-06-16 1999-01-04 Yehuda Binder Battery substitute pack
US5959433A (en) * 1997-08-22 1999-09-28 Centurion Intl., Inc. Universal inductive battery charger system
JPH11307376A (en) * 1998-04-20 1999-11-05 Canon Inc Noncontact interface and method of feeding power thereto
DE29816725U1 (en) * 1998-09-17 1999-01-14 Chao, Wen-Chung, Yungho, Taipeh Charging device for mobile phones
JP2000269058A (en) * 1999-03-18 2000-09-29 Matsushita Electric Ind Co Ltd Non-contact power supply device
AU6788600A (en) * 1999-08-27 2001-03-26 Illumagraphics, Llc Induction electroluminescent lamp
JP2001190029A (en) * 1999-12-28 2001-07-10 Matsushita Electric Ind Co Ltd Charger
GB0213374D0 (en) * 2002-06-10 2002-07-24 Univ City Hong Kong Planar inductive battery charger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117579A (en) * 1982-03-24 1983-10-12 Terumo Corp Rechargeable electronic clinical thermometer
US5519262A (en) * 1992-11-17 1996-05-21 Wood; Mark B. Near field power coupling system
WO2001078216A1 (en) * 2000-04-11 2001-10-18 Light Sciences Corporation Contactless energy transfer apparatus
WO2001095432A1 (en) * 2000-06-02 2001-12-13 Yamatake Corporation Electromagnetic induction coupling apparatus
US6650213B1 (en) * 2000-06-02 2003-11-18 Yamatake Corporation Electromagnetic-induction coupling apparatus

Also Published As

Publication number Publication date
GB0409709D0 (en) 2004-06-02
GB2399229A (en) 2004-09-08
GB2399226A (en) 2004-09-08
GB2399228A (en) 2004-09-08
GB0409710D0 (en) 2004-06-02
GB0409705D0 (en) 2004-06-02
GB2399225B (en) 2005-03-23
GB0409707D0 (en) 2004-06-02
GB2399227A (en) 2004-09-08
GB2399230B (en) 2005-03-23
GB2399229B (en) 2005-11-09
GB0409708D0 (en) 2004-06-02
GB2399225A (en) 2004-09-08
GB2399227B (en) 2005-09-07
GB0409713D0 (en) 2004-06-02
GB2399230A (en) 2004-09-08
GB2399228B (en) 2006-01-04

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090625 AND 20090701

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150513