CN103959666B - 用于限制无线电力接收器中的电压的系统及方法 - Google Patents

用于限制无线电力接收器中的电压的系统及方法 Download PDF

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Publication number
CN103959666B
CN103959666B CN201280059446.0A CN201280059446A CN103959666B CN 103959666 B CN103959666 B CN 103959666B CN 201280059446 A CN201280059446 A CN 201280059446A CN 103959666 B CN103959666 B CN 103959666B
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China
Prior art keywords
transmitter
circuit
pulse
threshold
receiver
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Chinese (zh)
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CN103959666A (zh
Inventor
威廉·亨利·冯诺瓦克三世
约瑟夫·L·阿尔尚博
亚当·贾森·伍德
爱德华·卡拉勒
瑞安·曾
加布里埃尔·伊萨克·梅奥
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Qualcomm Inc
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Qualcomm Inc
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Classifications

    • 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
    • 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—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/42—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
  • Transmitters (AREA)
CN201280059446.0A 2011-10-21 2012-10-17 用于限制无线电力接收器中的电压的系统及方法 Active CN103959666B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161550173P 2011-10-21 2011-10-21
US61/550,173 2011-10-21
US201261591201P 2012-01-26 2012-01-26
US61/591,201 2012-01-26
US13/622,204 US9508487B2 (en) 2011-10-21 2012-09-18 Systems and methods for limiting voltage in wireless power receivers
US13/622,204 2012-09-18
PCT/US2012/060626 WO2013059330A1 (en) 2011-10-21 2012-10-17 Systems and methods for limiting voltage in wireless power receivers

Publications (2)

Publication Number Publication Date
CN103959666A CN103959666A (zh) 2014-07-30
CN103959666B true CN103959666B (zh) 2016-06-22

Family

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Application Number Title Priority Date Filing Date
CN201280059446.0A Active CN103959666B (zh) 2011-10-21 2012-10-17 用于限制无线电力接收器中的电压的系统及方法

Country Status (7)

Country Link
US (2) US9508487B2 (https=)
EP (1) EP2769478B1 (https=)
JP (2) JP6001077B2 (https=)
KR (2) KR101592800B1 (https=)
CN (1) CN103959666B (https=)
IN (1) IN2014CN02954A (https=)
WO (1) WO2013059330A1 (https=)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9508487B2 (en) 2011-10-21 2016-11-29 Qualcomm Incorporated Systems and methods for limiting voltage in wireless power receivers
WO2013076353A1 (en) * 2011-11-25 2013-05-30 Nokia Corporation Over-load protection of radio receivers
KR102042498B1 (ko) * 2012-01-11 2019-11-11 삼성전자주식회사 공진 방식 무선 전력 수신 장치용 과전압 보호 장치 및 그 제어 방법
US9018898B2 (en) * 2012-02-10 2015-04-28 Sandisk Technologies Inc. Regulation of wirelessly charging multiple devices from the same source
KR101848303B1 (ko) 2012-07-10 2018-04-13 삼성전자주식회사 전력 전송을 제어하기 위한 방법 및 이를 위한 전력 송신기
US9130369B2 (en) 2012-08-29 2015-09-08 Qualcomm Incorporated Wireless power overvoltage protection circuit with reduced power dissipation
KR102044758B1 (ko) 2012-09-05 2019-11-15 르네사스 일렉트로닉스 가부시키가이샤 비접촉 충전 장치 및 그것을 이용하는 비접촉 급전 시스템
JP5874617B2 (ja) * 2012-11-30 2016-03-02 株式会社デンソー 非接触給電装置
US9350194B2 (en) * 2013-05-08 2016-05-24 Broadcom Corporation Limiting wireless power receiver voltage
JP6087740B2 (ja) * 2013-05-20 2017-03-01 Ｎｅｃトーキン株式会社 通信装置
KR20150000028A (ko) * 2013-06-20 2015-01-02 삼성전자주식회사 충전 환경 판별이 가능한 무선 전력 전송 시스템
JP6166598B2 (ja) * 2013-06-26 2017-07-19 キヤノン株式会社 送電装置、受電装置、無線電力伝送システム、制御方法、及びプログラム
JP2015012633A (ja) * 2013-06-26 2015-01-19 キヤノン株式会社 受電装置、制御方法、及びプログラム
JP6379660B2 (ja) * 2013-06-27 2018-08-29 Tdk株式会社 ワイヤレス受電装置、及び、ワイヤレス電力伝送装置
JP5839000B2 (ja) * 2013-06-27 2016-01-06 Tdk株式会社 ワイヤレス受電装置及びワイヤレス電力伝送装置
US9490653B2 (en) 2013-07-23 2016-11-08 Qualcomm Incorporated Systems and methods for enabling a universal back-cover wireless charging solution
US9401622B2 (en) * 2013-07-23 2016-07-26 Qualcomm Incorporated Systems and methods for extending the power capability of a wireless charger
US20150091523A1 (en) * 2013-10-02 2015-04-02 Mediatek Singapore Pte. Ltd. Wireless charger system that has variable power / adaptive load modulation
JP6258816B2 (ja) 2013-10-29 2018-01-10 パナソニック株式会社 無線送電装置及び無線電力伝送システム
TWI513135B (zh) * 2013-11-18 2015-12-11 立錡科技股份有限公司 電源管理單元及其應用之無線電力系統
US9361564B2 (en) 2013-12-02 2016-06-07 Qualcomm Technologies International, Ltd. Protection of an NFC or RFID radio in the presence of strong electromagnetic fields
US10468915B2 (en) * 2014-01-30 2019-11-05 Sony Corporation Power receiving unit, power receiving control method, wireless power transfer system, and electronic apparatus
KR102363631B1 (ko) 2014-02-20 2022-02-17 삼성전자주식회사 무선 충전에서의 이상 상황 방지 방법
CN106463993A (zh) * 2014-04-02 2017-02-22 鲍尔拜普罗克西有限公司 低功率感应电力接收器
US10027185B2 (en) * 2014-05-30 2018-07-17 Apple Inc. Reducing the impact of an inductive energy transfer system on a touch sensing device
US9463705B2 (en) * 2014-06-10 2016-10-11 Qualcomm Incorporated System and method for adaptive charging compliance control
JP6427983B2 (ja) * 2014-06-20 2018-11-28 船井電機株式会社 非接触給電システムおよび非接触受電装置
US9277369B2 (en) 2014-06-30 2016-03-01 Qualcomm Technologies International, Ltd. Method for determining location of wireless devices
DE102014019621A1 (de) * 2014-12-29 2016-06-30 Markus Rehm Kopplungsoptimierte elektrische drahtlose Energieübertragung
US9829522B2 (en) * 2015-01-27 2017-11-28 Qualcomm Incorporated Method and apparatus for tuning a resistance and reactance of a wireless power transmitter testing unit
US20160301238A1 (en) * 2015-04-10 2016-10-13 Intel Corporation Managing presence and long beacon extension pulses
US10063103B2 (en) * 2015-07-02 2018-08-28 Ningbo WeiE Electronic Technology Co., Ltd Contactless power transmission device and power transmission method thereof
US10291081B2 (en) * 2015-12-03 2019-05-14 Mediatek Inc. Methods and devices for protection in wireless power systems
KR102482045B1 (ko) * 2016-02-04 2022-12-28 한국과학기술원 임피던스 변화검출장치
US10377469B2 (en) * 2016-03-04 2019-08-13 The Boeing Company Non-contact power supply and data transfer on aerial vehicles
US9985481B2 (en) * 2016-03-28 2018-05-29 Intel IP Corporation Dynamic power adjustment mechanism for mitigating wireless power interference
DE102016209871A1 (de) 2016-06-06 2017-12-07 Robert Bosch Gmbh Stanzvorrichtung und Verfahren zum Stanzen eines Lumens und Implantieren einer Implantateinrichtung
DE102016112007A1 (de) * 2016-06-30 2018-01-04 Rittal Gmbh & Co. Kg Schließanordnung, insbesondere Türschlossanordnung für einen Schaltschrank und ein entsprechendes Verfahren
KR102755708B1 (ko) * 2016-11-18 2025-01-20 삼성전자주식회사 전자 장치 및 그 제어 방법
US20180204101A1 (en) * 2017-01-13 2018-07-19 Qualcomm Incorporated Protection system for radio frequency switches
US10496218B2 (en) 2017-02-08 2019-12-03 Apple Inc. Display stack with integrated force input sensor
US10291075B2 (en) * 2017-02-22 2019-05-14 Qualcomm Incorporated Over voltage protection detection
KR102601200B1 (ko) * 2017-03-07 2023-11-09 파워매트 테크놀로지스 엘티디. 무선 전력 충전 시스템
US11218025B2 (en) 2017-03-07 2022-01-04 Powermat Technologies Ltd. System for wireless power charging
WO2018179442A1 (ja) * 2017-03-31 2018-10-04 富士通株式会社 無線電力伝送システム、無線電力伝送方法および無線電力伝送プログラム、並びに、送電器および受電器
JP7187135B2 (ja) * 2017-05-16 2022-12-12 ラピスセミコンダクタ株式会社 無線受電装置、無線給電装置、無線電力伝送システム、及び無線受電装置の過大磁界保護方法
CN107846231B (zh) * 2017-11-24 2020-06-30 浙江苍南仪表集团东星智能仪表有限公司 一种nb-iot的网络终端设备
DE102018201030B4 (de) 2018-01-24 2025-10-16 Kardion Gmbh Magnetkuppelelement mit magnetischer Lagerungsfunktion
DE102018206731A1 (de) 2018-05-02 2019-11-07 Kardion Gmbh Vorrichtung zur induktiven Energieübertragung in einen menschlichen Körper und Verwendung der Vorrichtung
DE102018206750A1 (de) 2018-05-02 2019-11-07 Kardion Gmbh Vorrichtung zur induktiven Energieübertragung in einen menschlichen Körper und deren Verwendung
DE102018206725A1 (de) 2018-05-02 2019-11-07 Kardion Gmbh Empfangseinheit, Sendeeinheit, Energieübertragungssystem und Verfahren zur drahtlosen Energieübertragung
DE102018206727A1 (de) 2018-05-02 2019-11-07 Kardion Gmbh Energieübertragungssystem und Empfangseinheit zur drahtlosen transkutanen Energieübertragung
DE102018206724A1 (de) * 2018-05-02 2019-11-07 Kardion Gmbh Energieübertragungssystem und Verfahren zur drahtlosen Energieübertragung
DE102018206754A1 (de) 2018-05-02 2019-11-07 Kardion Gmbh Verfahren und Vorrichtung zur Bestimmung der Temperatur an einer Oberfläche sowie Verwendung des Verfahrens
DE102018208555A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Vorrichtung zum Verankern eines Herzunterstützungssystems in einem Blutgefäß, Verfahren zum Betreiben und Herstellverfahren zum Herstellen einer Vorrichtung und Herzunterstützungssystem
KR102669786B1 (ko) * 2018-07-31 2024-05-29 삼성전자주식회사 무선 전력 수신 장치 및 그 제어 방법
US11239695B2 (en) 2018-08-14 2022-02-01 Apple Inc. Wireless power system with device priority
AU2018247282B2 (en) * 2018-10-11 2025-08-14 Aristocrat Technologies Australia Pty Limited System and method for determining wireless charging status
CN111668941A (zh) 2019-03-05 2020-09-15 恩智浦美国有限公司 用于无线电力接收器的过电压保护电路系统
US11095146B2 (en) 2019-05-15 2021-08-17 Stmicroelectronics Asia Pacific Pte Ltd. HW and methods for improving safety protocol in wireless chargers
US11757307B2 (en) 2020-01-03 2023-09-12 Nucurrent, Inc. Systems and methods for dynamically tuning a wireless power transfer system
US10892800B1 (en) 2020-01-06 2021-01-12 Nucurrent, Inc. Systems and methods for wireless power transfer including pulse width encoded data communications
US11404920B2 (en) * 2020-05-20 2022-08-02 Stmicroelectronics Design And Application S.R.O. Methods and apparatus for protecting wireless charging receivers
US12028127B2 (en) 2020-06-29 2024-07-02 Google Llc Enhanced edge detect power line communication
US11303165B2 (en) 2020-07-24 2022-04-12 Nucurrent, Inc. Low cost communications demodulation for wireless power receiver system
US11303164B2 (en) 2020-07-24 2022-04-12 Nucurrent, Inc. Low cost communications demodulation for wireless power transmission system
WO2022047358A1 (en) * 2020-08-31 2022-03-03 Medtronic, Inc. Rectifier and the timing of switching of capacitors
US11699551B2 (en) 2020-11-05 2023-07-11 Kardion Gmbh Device for inductive energy transmission in a human body and use of the device
US12206262B2 (en) 2020-12-08 2025-01-21 Dolby Laboratories Inc. Pulse width communication in a wireless power system
US11483033B2 (en) 2021-01-28 2022-10-25 Nucurrent, Inc. Wireless power transfer system with data versus power priority optimization
US11476898B2 (en) 2021-01-28 2022-10-18 Nucurrent, Inc. Wireless power transfer system with mode switching using selective quality factor alteration
US11271611B1 (en) 2021-01-28 2022-03-08 Nucurrent, Inc. Wireless power transfer with in-band virtualized wired communications
US11811244B2 (en) 2021-02-01 2023-11-07 Nucurrent, Inc. Automatic gain control for communications demodulation in wireless power transmitters
US11289952B1 (en) 2021-02-10 2022-03-29 Nucurrent, Inc. Slotted communications in virtual AC power signal transfer with variable slot width
US11539247B2 (en) 2021-04-30 2022-12-27 Nucurrent, Inc. Power capability detection in precision power level control systems for wireless power transmission
US11532956B2 (en) 2021-04-30 2022-12-20 Nucurrent, Inc. Power capability detection with verification load in power level control systems for wireless power transmission
EP4283829A4 (en) 2021-05-04 2024-07-31 Samsung Electronics Co., Ltd. Wireless power reception device having detune circuit
US12230980B1 (en) * 2021-06-30 2025-02-18 Apple Inc. Wireless power transfer with integrated communications
US11996707B2 (en) 2021-09-22 2024-05-28 Apple Inc. Wireless power transfer power control techniques
US11677255B1 (en) * 2021-09-23 2023-06-13 Apple Inc. Frequency management for wireless power transfer
US11637448B1 (en) 2021-10-12 2023-04-25 Nucurrent, Inc. Wireless power transmitter with removable magnetic connector panel for vehicular use
CN114385535B (zh) * 2021-12-06 2025-02-18 裕太微电子股份有限公司 Phy芯片的自适应阻抗匹配电路及其工作方法
CN119678342A (zh) 2022-06-15 2025-03-21 三星电子株式会社 无线电力发送装置、无线电力接收装置及其操作方法
WO2023243817A1 (ko) * 2022-06-15 2023-12-21 삼성전자주식회사 무선 전력 송신 장치, 무선 전력 수신 장치 및 그 동작 방법
US12476492B2 (en) 2022-09-13 2025-11-18 Nucurrent, Inc. Bit stuffing for thermal mitigation in wireless power and data transfer system
US12573883B2 (en) 2022-09-13 2026-03-10 Nucurrent, Inc. Bit inversion for thermal mitigation in wireless power and data transfer system
AU2023426385A1 (en) * 2023-01-25 2025-07-31 Samsung Electronics Co., Ltd. Electronic device and wired/wireless charging control method in electronic device
KR20260039750A (ko) * 2023-07-25 2026-03-20 솔라스 파워 인크. 무선전력 시스템 내의 과전압/과전류 감지 및 보호
US20260066948A1 (en) * 2024-08-29 2026-03-05 Avago Technologies International Sales Pte. Limited Wireless high speed in-band communications

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178407A (zh) * 1996-09-13 1998-04-08 株式会社日立制作所 功率发射系统、ic卡和利用ic卡的信息通信系统
US7535362B2 (en) * 2005-02-09 2009-05-19 Atmel Germany Gmbh Circuit arrangement and method for supplying power to a transponder
US20100084467A1 (en) * 2008-10-03 2010-04-08 Semiconductor Energy Laboratory Co., Ltd. RFID Tag and Driving Method Thereof
US20100146308A1 (en) * 2008-09-26 2010-06-10 Richard Gioscia Portable power supply device for mobile computing devices
WO2010119772A1 (ja) * 2009-04-15 2010-10-21 ルネサスエレクトロニクス株式会社 半導体集積回路装置およびそれを実装したｉｃカード
US20110053500A1 (en) * 2009-09-02 2011-03-03 Qualcomm Incorporated De-tuning in wireless power reception

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4611093B2 (ja) 2004-05-12 2011-01-12 セイコーインスツル株式会社 電波発電回路
KR100853889B1 (ko) 2005-07-29 2008-08-25 엘에스전선 주식회사 무 접점 충전 배터리 및 충전기, 이들을 포함하는 배터리충전 세트, 및 충전제어 방법
JP4926468B2 (ja) * 2005-12-07 2012-05-09 ローム株式会社 静電破壊保護回路及びこれを備えた半導体集積回路装置
US8004235B2 (en) 2006-09-29 2011-08-23 Access Business Group International Llc System and method for inductively charging a battery
KR101253669B1 (ko) 2006-10-10 2013-04-11 엘에스전선 주식회사 무접점 충전기
JP4841534B2 (ja) 2007-11-20 2011-12-21 三菱電機株式会社 電子機器
AU2008353278A1 (en) * 2008-03-17 2009-09-24 Powermat Technologies Ltd. Inductive transmission system
JP5671200B2 (ja) 2008-06-03 2015-02-18 学校法人慶應義塾 電子回路
JP4725664B2 (ja) 2008-06-25 2011-07-13 セイコーエプソン株式会社 送電制御装置、送電装置、受電制御装置、受電装置、電子機器、送電制御方法、及び受電制御方法
US8981598B2 (en) * 2008-07-02 2015-03-17 Powermat Technologies Ltd. Energy efficient inductive power transmission system and method
EP2327230B1 (en) 2008-09-04 2013-03-27 Allflex Usa, Inc. Combination full-duplex and half-duplex electronic identification tag
GB0821628D0 (en) 2008-11-26 2008-12-31 Innovision Res & Tech Plc Near field rf communicators
US8253383B2 (en) 2009-02-05 2012-08-28 O2Micro Inc Circuits and methods for monitoring multi-cell battery packs
JP2011155793A (ja) 2010-01-28 2011-08-11 Renesas Electronics Corp 電力供給システム
US8536828B2 (en) 2010-03-02 2013-09-17 Sony Corporation Coordinating contactless communication and charging functions
KR101394963B1 (ko) * 2010-07-29 2014-05-16 한국전자통신연구원 무선 전력 송신기, 무선 전력 수신기, 및 그것들을 이용한 무선 전력 전송 방법
US8772977B2 (en) * 2010-08-25 2014-07-08 Tdk Corporation Wireless power feeder, wireless power transmission system, and table and table lamp using the same
US8830637B2 (en) 2010-08-31 2014-09-09 Texas Instruments Incorporated Methods and apparatus to clamp overvoltages for alternating current systems
US20130009483A1 (en) * 2011-05-31 2013-01-10 Kawate Keith W Power generator module connectivity control
US9508487B2 (en) 2011-10-21 2016-11-29 Qualcomm Incorporated Systems and methods for limiting voltage in wireless power receivers
US9130369B2 (en) 2012-08-29 2015-09-08 Qualcomm Incorporated Wireless power overvoltage protection circuit with reduced power dissipation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178407A (zh) * 1996-09-13 1998-04-08 株式会社日立制作所 功率发射系统、ic卡和利用ic卡的信息通信系统
US7535362B2 (en) * 2005-02-09 2009-05-19 Atmel Germany Gmbh Circuit arrangement and method for supplying power to a transponder
US20100146308A1 (en) * 2008-09-26 2010-06-10 Richard Gioscia Portable power supply device for mobile computing devices
US20100084467A1 (en) * 2008-10-03 2010-04-08 Semiconductor Energy Laboratory Co., Ltd. RFID Tag and Driving Method Thereof
WO2010119772A1 (ja) * 2009-04-15 2010-10-21 ルネサスエレクトロニクス株式会社 半導体集積回路装置およびそれを実装したｉｃカード
US20110053500A1 (en) * 2009-09-02 2011-03-03 Qualcomm Incorporated De-tuning in wireless power reception

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US9508487B2 (en) 2016-11-29
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