KR102747082B1 - 자유 포지셔닝 충전 패드 - Google Patents

자유 포지셔닝 충전 패드 Download PDF

Info

Publication number
KR102747082B1
KR102747082B1 KR1020207025086A KR20207025086A KR102747082B1 KR 102747082 B1 KR102747082 B1 KR 102747082B1 KR 1020207025086 A KR1020207025086 A KR 1020207025086A KR 20207025086 A KR20207025086 A KR 20207025086A KR 102747082 B1 KR102747082 B1 KR 102747082B1
Authority
KR
South Korea
Prior art keywords
charging
coil
power transmitting
coils
pulse
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
KR1020207025086A
Other languages
English (en)
Korean (ko)
Other versions
KR20200124242A (ko
Inventor
에릭 굿차일드
제이크 슬래트닉
Original Assignee
아이라, 인크.
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 아이라, 인크. filed Critical 아이라, 인크.
Publication of KR20200124242A publication Critical patent/KR20200124242A/ko
Application granted granted Critical
Publication of KR102747082B1 publication Critical patent/KR102747082B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/751Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/14Structural association of two or more printed circuits
    • H05K1/144Stacked arrangements of planar printed circuit boards
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/181Printed circuits structurally associated with non-printed electric components associated with surface mounted components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
KR1020207025086A 2018-02-23 2019-02-25 자유 포지셔닝 충전 패드 Active KR102747082B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201862634799P 2018-02-23 2018-02-23
US62/634,799 2018-02-23
US201862784667P 2018-12-24 2018-12-24
US62/784,667 2018-12-24
US201962794541P 2019-01-18 2019-01-18
US62/794,541 2019-01-18
US16/283,734 US11171502B2 (en) 2018-02-23 2019-02-22 Free positioning charging pad
US16/283,734 2019-02-22
PCT/US2019/019457 WO2019165383A1 (en) 2018-02-23 2019-02-25 Free positioning charging pad

Publications (2)

Publication Number Publication Date
KR20200124242A KR20200124242A (ko) 2020-11-02
KR102747082B1 true KR102747082B1 (ko) 2024-12-27

Family

ID=67686201

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207025086A Active KR102747082B1 (ko) 2018-02-23 2019-02-25 자유 포지셔닝 충전 패드

Country Status (6)

Country Link
US (4) US11171502B2 (https=)
EP (1) EP3756264A4 (https=)
JP (3) JP7142962B2 (https=)
KR (1) KR102747082B1 (https=)
CN (1) CN111758202B (https=)
WO (1) WO2019165383A1 (https=)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11171502B2 (en) * 2018-02-23 2021-11-09 Aira, Inc. Free positioning charging pad
WO2019199740A1 (en) * 2018-04-09 2019-10-17 CTOP Wireless Charging Solutions LLC System and method for switchable multi-coil wireless induction charging
US10594368B1 (en) * 2019-01-31 2020-03-17 Capital One Services, Llc Array and method for improved wireless communication
US11063480B2 (en) * 2019-05-28 2021-07-13 Aira, Inc. Adaptive passive Ping
JP7645235B2 (ja) * 2019-08-07 2025-03-13 ストライカー・コーポレイション 無線充電システム用異物検出
US11881730B2 (en) * 2019-09-06 2024-01-23 Google Llc Wireless charging using time-division multiplexing
CN112803600A (zh) * 2019-11-14 2021-05-14 Oppo广东移动通信有限公司 无线充电的接收端设备、发射端设备和无线充电系统
US20210152034A1 (en) * 2019-11-20 2021-05-20 Aira Inc. Free-Position Wireless Charger Keep-Out
US11728689B2 (en) * 2019-11-20 2023-08-15 Aira, Inc. Stacked printed circuit board surface in a free-position wireless charger
CN111162521B (zh) * 2019-12-31 2022-10-25 联想(北京)有限公司 一种供电设备及供电方法
US11469041B2 (en) * 2020-01-06 2022-10-11 Aira, Inc. Dynamic multi-coil tuning
US11837882B2 (en) * 2020-01-06 2023-12-05 Aira, Inc. Amplitude shift key modulation for multi-device wireless chargers
US11837883B2 (en) * 2020-01-21 2023-12-05 Aira, Inc. Multi-coil wireless charger validation
US20210249876A1 (en) * 2020-02-06 2021-08-12 Aira, Inc. Physically distributed modular free-positioning wireless charging devices
KR102809993B1 (ko) * 2020-02-10 2025-05-20 삼성전자주식회사 무선 충전 방법 및 이를 지원하는 전자 장치
CN113555979B (zh) * 2020-04-24 2025-02-11 北京小米移动软件有限公司 无线充电定位装置、方法及存储介质
KR102798351B1 (ko) * 2020-04-28 2025-04-22 삼성전자주식회사 무선 전력 전송 장치 및 그 제어 방법
CN111812408B (zh) * 2020-05-27 2022-04-08 华为数字能源技术有限公司 基于振荡电路的品质因子检测电路、检测方法及电子设备
US11462944B2 (en) 2020-06-04 2022-10-04 Aira, Inc. Resonant class D wireless transmitter
US11418060B2 (en) * 2020-06-04 2022-08-16 Aira, Inc. Phase modulated wireless charger
US11462945B2 (en) 2020-06-04 2022-10-04 Aira, Inc. Zero-crossing amplitude shift keying demodulation
US11398752B2 (en) * 2020-06-04 2022-07-26 Aira, Inc. Zero-crossing slotted foreign object detection
US12169750B2 (en) * 2020-08-13 2024-12-17 Aira, Inc. Radio frequency identification for multi-device wireless chargers
US20220052565A1 (en) * 2020-08-15 2022-02-17 Aira, Inc. Resonant Reflection Device Detection
US12046922B2 (en) * 2020-08-16 2024-07-23 Aira, Inc. Adaptive foreign object detection avoidance in a multi-coil wireless charging device
US12126185B2 (en) * 2020-08-16 2024-10-22 Aira, Inc. Digital ping selection in a multi-coil wireless charging device
US11496001B2 (en) 2020-09-08 2022-11-08 Powermat Technologies Ltd. Detection of foreign object and friendly metal
US12160122B2 (en) * 2020-10-01 2024-12-03 Aira, Inc. Digital ping clamp ramp
US11637441B2 (en) 2020-11-02 2023-04-25 Aira, Inc. Thermal regulation for wireless charging pad
JP7614795B2 (ja) * 2020-11-12 2025-01-16 キヤノン株式会社 送電装置、送電装置の制御方法、及びプログラム
CN112902829B (zh) * 2021-01-21 2023-06-09 维沃移动通信有限公司 电子设备及其开合角度检测方法
US20220247228A1 (en) * 2021-02-03 2022-08-04 Aira, Inc. Automotive key fob interference prevention in wireless chargers
CN114221451A (zh) * 2021-02-07 2022-03-22 伏达半导体(合肥)有限公司 用于无线电能传输系统的品质因素确定设备和方法
US12249848B2 (en) * 2021-02-24 2025-03-11 Aira, Inc. Integrated transmitter-transformer for wireless charging
CN113257046B (zh) * 2021-04-07 2023-05-09 顺德职业技术学院 一种用于示教设备的供电底座
US11936211B2 (en) * 2021-05-05 2024-03-19 Aira, Inc. Mixed analog front-end for wireless charging
CN116610192B (zh) * 2022-02-09 2024-04-05 荣耀终端有限公司 一种电子设备及判断手写笔在位的方法
CN115395677A (zh) * 2022-08-23 2022-11-25 深圳信扬国际经贸股份有限公司 一种电子设备及其控制方法
JP2024067201A (ja) 2022-11-04 2024-05-17 トヨタ紡織株式会社 成形体及びその製造方法並びにリサイクル方法
US20250088042A1 (en) * 2023-09-07 2025-03-13 Aira, Inc. Charging surface activated by proximity of an object
US12587034B2 (en) 2023-12-21 2026-03-24 Jong Whee JEON Systems, devices, and methods for wirelessly transmitting power

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017511117A (ja) * 2014-04-04 2017-04-13 日本テキサス・インスツルメンツ株式会社 ワイヤレスパワートランスミッタによる異物検出
JP2017520223A (ja) * 2014-06-19 2017-07-20 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 無線誘導電力伝送

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0669005B2 (ja) * 1986-02-13 1994-08-31 ソニー株式会社 多層シ−トコイル
US7902842B2 (en) * 2005-06-03 2011-03-08 Synaptics Incorporated Methods and systems for switched charge transfer capacitance measuring using shared components
US11201500B2 (en) * 2006-01-31 2021-12-14 Mojo Mobility, Inc. Efficiencies and flexibilities in inductive (wireless) charging
US8169185B2 (en) * 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
US7952322B2 (en) 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
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
JP5049018B2 (ja) * 2007-01-09 2012-10-17 ソニーモバイルコミュニケーションズ株式会社 非接触充電装置
US7266470B1 (en) 2007-01-17 2007-09-04 Eaton Corporation Method for mitigating interference between nearby proximity sensors
AU2008339692B2 (en) 2007-12-21 2014-08-21 Access Business Group International Llc Circuitry for inductive power transfer
CA2729109A1 (en) * 2008-07-09 2010-01-14 David W. Baarman Wireless charging system
MY160103A (en) * 2008-10-03 2017-02-28 Access Business Group Int Llc Power system
JP2010200497A (ja) * 2009-02-25 2010-09-09 Toshiba Corp 充電装置及び充電システム
KR101733403B1 (ko) * 2009-05-25 2017-05-11 코닌클리케 필립스 엔.브이. 무선 전력 송신 시스템에서 디바이스를 검출하기 위한 방법 및 디바이스
JP5496553B2 (ja) * 2009-06-15 2014-05-21 三洋電機株式会社 充電台
JP5539069B2 (ja) * 2010-06-30 2014-07-02 キヤノン株式会社 給電装置
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
US10141770B2 (en) * 2011-01-18 2018-11-27 Mojo Mobility, Inc. Powering and/or charging with a plurality of protocols
TWI577108B (zh) * 2016-05-13 2017-04-01 富達通科技股份有限公司 感應式電源供應器及其金屬異物檢測方法
JP5770556B2 (ja) * 2011-07-29 2015-08-26 東光株式会社 ワイヤレス電力伝送装置および相対位置検出方法
JP2015008546A (ja) * 2011-10-28 2015-01-15 パナソニック株式会社 非接触電力伝送装置
US9825672B2 (en) * 2011-12-13 2017-11-21 Lg Electronics Inc. Method of modulating wireless power transmission signal
JP6019581B2 (ja) 2011-12-26 2016-11-02 ソニー株式会社 検知装置、検知システム、送電装置、非接触電力伝送システム及び検知方法
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
SG11201406028VA (en) * 2012-03-28 2014-10-30 Xped Holdings Pty Ltd Method and apparatus for forming associations and communicating between devices
US9876394B1 (en) * 2014-05-07 2018-01-23 Energous Corporation Boost-charger-boost system for enhanced power delivery
US10381880B2 (en) * 2014-07-21 2019-08-13 Energous Corporation Integrated antenna structure arrays for wireless power transmission
KR101912692B1 (ko) * 2012-07-06 2018-10-29 엘지전자 주식회사 무선 전력 전송에서의 주파수를 주기적으로 변경하는 방법 및 장치
US10033223B2 (en) 2012-07-30 2018-07-24 Koninklijke Philips N.V. Wireless inductive power transfer
US20140062799A1 (en) * 2012-08-29 2014-03-06 Motorola Mobility Llc Wireless communication device and method with an enhanced antenna farm
KR101985820B1 (ko) * 2012-09-07 2019-06-04 삼성전자주식회사 무선 전력을 송수신하는 장치 및 방법
US9178361B2 (en) * 2012-09-27 2015-11-03 ConvenientPower, Ltd. Methods and systems for detecting foreign objects in a wireless charging system
US9601930B2 (en) * 2012-09-28 2017-03-21 Broadcom Corporation Power transmitting device having device discovery and power transfer capabilities
CN105229895A (zh) * 2012-10-11 2016-01-06 鲍尔马特技术有限公司 感应功率传输系统和用于同时传输数字消息的方法
US9465064B2 (en) * 2012-10-19 2016-10-11 Witricity Corporation Foreign object detection in wireless energy transfer systems
US10070250B2 (en) 2012-12-03 2018-09-04 Douglas Baldasare System and method for providing interconnected and secure mobile device charging stations
US20140191568A1 (en) * 2013-01-04 2014-07-10 Mojo Mobility, Inc. System and method for powering or charging multiple receivers wirelessly with a power transmitter
EP2962379A4 (en) * 2013-02-27 2017-03-15 Nokia Technologies OY A wireless charger
JP5932140B2 (ja) 2013-04-09 2016-06-08 三洋電機株式会社 電源台
CN105027387B (zh) * 2013-07-31 2018-03-13 松下电器产业株式会社 无线送电装置以及无线电力传输系统
US9419470B2 (en) * 2013-09-23 2016-08-16 Qualcomm Incorporated Low power detection of wireless power devices
KR102166687B1 (ko) * 2013-10-31 2020-10-16 엘지전자 주식회사 무선 전력 전송 장치 및 그 제어 방법
WO2015064915A1 (ko) * 2013-10-31 2015-05-07 엘지전자 주식회사 무선 전력 전송 장치 및 그 제어 방법
EP3080891A4 (en) * 2013-12-11 2017-08-02 Powermat Technologies Ltd. Wireless power transmission system and method controlled via digital messages
US9601933B2 (en) 2014-03-25 2017-03-21 Apple Inc. Tessellated inductive power transmission system coil configurations
US9871301B2 (en) * 2014-07-21 2018-01-16 Energous Corporation Integrated miniature PIFA with artificial magnetic conductor metamaterials
KR102285941B1 (ko) * 2014-08-12 2021-08-06 애플 인크. 전력 전달을 위한 시스템 및 방법
TWI587329B (zh) * 2014-10-31 2017-06-11 台灣東電化股份有限公司 無線充電印刷電路板線圈結構
US20160261137A1 (en) * 2015-03-06 2016-09-08 Mediatek Inc. Wireless charging transmitter using capacitive sensing for device detection
CN107529346B (zh) 2015-04-02 2021-03-02 苹果公司 感应电力发射器
US10483783B2 (en) * 2015-07-28 2019-11-19 Motorola Solutions, Inc. System and method for identifying a wirelessly charging battery
DE102015112431B4 (de) * 2015-07-29 2017-06-29 Zollner Elektronik Ag Einrichtung zum Erfassen von Objekten insbesondere für Ladesysteme
JP6609445B2 (ja) * 2015-09-17 2019-11-20 ローム株式会社 ワイヤレス送電装置、その制御回路および制御方法、充電器
US10651685B1 (en) * 2015-09-30 2020-05-12 Apple Inc. Selective activation of a wireless transmitter device
US10193374B2 (en) * 2016-03-31 2019-01-29 Intel Corporation Multifunction battery charging and haptic device
JP6737636B2 (ja) * 2016-05-27 2020-08-12 ローム株式会社 ワイヤレス受電装置およびその制御方法、受電制御回路、電子機器
US10454163B2 (en) * 2017-09-22 2019-10-22 Intel Corporation Ground layer design in a printed circuit board (PCB)
US11171502B2 (en) * 2018-02-23 2021-11-09 Aira, Inc. Free positioning charging pad

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017511117A (ja) * 2014-04-04 2017-04-13 日本テキサス・インスツルメンツ株式会社 ワイヤレスパワートランスミッタによる異物検出
JP2017520223A (ja) * 2014-06-19 2017-07-20 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 無線誘導電力伝送

Also Published As

Publication number Publication date
JP2021515513A (ja) 2021-06-17
JP7142962B2 (ja) 2022-09-28
JP2022177083A (ja) 2022-11-30
US20220069639A1 (en) 2022-03-03
US20190267828A1 (en) 2019-08-29
US11171502B2 (en) 2021-11-09
CN111758202B (zh) 2024-07-26
KR20200124242A (ko) 2020-11-02
JP7561441B2 (ja) 2024-10-04
US20240055906A1 (en) 2024-02-15
US12176729B2 (en) 2024-12-24
EP3756264A4 (en) 2021-10-13
EP3756264A1 (en) 2020-12-30
WO2019165383A1 (en) 2019-08-29
CN111758202A (zh) 2020-10-09
US11728688B2 (en) 2023-08-15
JP2022177084A (ja) 2022-11-30
US20200136436A1 (en) 2020-04-30

Similar Documents

Publication Publication Date Title
KR102747082B1 (ko) 자유 포지셔닝 충전 패드
KR102452665B1 (ko) 다중-코일 무선 충전 디바이스의 표면으로부터 디바이스 제거의 검출
KR102806322B1 (ko) 멀티-코일 무선 충전 장치에서의 디지털 핑 록아웃
KR102652912B1 (ko) 적응형 수동 핑
KR102864564B1 (ko) 멀티 코일 무선 충전 디바이스의 디지털 핑 선택
KR102864558B1 (ko) 멀티 코일 무선 충전 디바이스의 적응형 이물질 검출 회피

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20200831

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20220218

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20231109

Patent event code: PE09021S01D

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20240923

PG1601 Publication of registration