SG10201708902RA - Wireless Charging System With Object Detection - Google Patents
Wireless Charging System With Object DetectionInfo
- Publication number
- SG10201708902RA SG10201708902RA SG10201708902RA SG10201708902RA SG10201708902RA SG 10201708902R A SG10201708902R A SG 10201708902RA SG 10201708902R A SG10201708902R A SG 10201708902RA SG 10201708902R A SG10201708902R A SG 10201708902RA SG 10201708902R A SG10201708902R A SG 10201708902RA
- Authority
- SG
- Singapore
- Prior art keywords
- wireless power
- output circuit
- circuitry
- measurement
- signals
- Prior art date
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
- H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- 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
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762453850P | 2017-02-02 | 2017-02-02 | |
US201762526285P | 2017-06-28 | 2017-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201708902RA true SG10201708902RA (en) | 2018-09-27 |
Family
ID=62980802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201708902RA SG10201708902RA (en) | 2017-02-02 | 2017-10-30 | Wireless Charging System With Object Detection |
Country Status (5)
Country | Link |
---|---|
US (2) | US10530191B2 (ko) |
KR (2) | KR102161391B1 (ko) |
CN (2) | CN112467893A (ko) |
SG (1) | SG10201708902RA (ko) |
WO (1) | WO2018144392A1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10790703B2 (en) * | 2016-12-19 | 2020-09-29 | Koji Yoden | Smart wireless power transfer between devices |
US20200044476A1 (en) * | 2017-03-08 | 2020-02-06 | Hewlett-Packard Development Company, Lp. | Wireless charging of electronic devices |
WO2018213504A1 (en) * | 2017-05-17 | 2018-11-22 | Apple Inc. | Wireless charging system with measurement circuitry |
EP3553917B1 (en) * | 2018-04-09 | 2021-09-01 | NXP USA, Inc. | A power transmitter unit |
EP3553918B1 (en) | 2018-04-09 | 2020-11-25 | NXP USA, Inc. | A power transmitter unit |
WO2020040475A1 (ko) * | 2018-08-21 | 2020-02-27 | 엘지전자 주식회사 | 무선전력 전송 시스템에서 이물질 검출을 수행하는 장치 및 방법 |
US10958110B2 (en) * | 2019-05-28 | 2021-03-23 | Aira, Inc. | Parallel voltage and current multiple amplitude shift key demodulation |
KR20210010203A (ko) * | 2019-07-19 | 2021-01-27 | 삼성전자주식회사 | 무선으로 전력을 수신하는 전자 장치와 그 동작 방법 |
US11605985B2 (en) * | 2019-08-20 | 2023-03-14 | Apple Inc. | Wireless power system with object detection |
CN112928825A (zh) * | 2019-12-06 | 2021-06-08 | 恩智浦美国有限公司 | 确定品质因数的方法及无线充电器 |
US20230084679A1 (en) * | 2020-01-29 | 2023-03-16 | Lg Electronics Inc. | Apparatus and method enabling out-band communication in wireless charging apparatus, method and system |
US11159062B2 (en) * | 2020-03-03 | 2021-10-26 | Microchip Technology Incorporated | Low power object detection in multi-coil wireless charging systems and related systems, methods, and devices |
CN111707868B (zh) * | 2020-05-18 | 2022-04-12 | 华为数字能源技术有限公司 | 振荡电路的检测方法及装置 |
EP4156456A1 (en) * | 2020-05-22 | 2023-03-29 | LG Electronics, Inc. | Wireless power transmission apparatus, wireless power transmission method by wireless power transmission apparatus, wireless power reception apparatus, and wireless power reception method by wireless power reception apparatus |
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 |
US11152822B1 (en) | 2020-09-30 | 2021-10-19 | Stmicroelectronics Asia Pacific Pte Ltd | Foreign objection detection sensing circuit for wireless power transmission systems |
FR3117220B1 (fr) * | 2020-12-03 | 2022-10-21 | Continental Automotive Gmbh | Procede de detection d’un objet metallique parasite sur une surface de charge et dispositif de charge associe |
US11936211B2 (en) * | 2021-05-05 | 2024-03-19 | Aira, Inc. | Mixed analog front-end for wireless charging |
US20230182588A1 (en) * | 2021-12-10 | 2023-06-15 | Momentum Dynamics Corporation | Charging Frequency Determination for Wireless Power Transfer |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160087687A1 (en) * | 2008-09-27 | 2016-03-24 | Witricity Corporation | Communication in a wireless power transmission system |
EP2347494B1 (en) * | 2008-10-03 | 2019-01-23 | Philips IP Ventures B.V. | Power system |
US20150255994A1 (en) * | 2009-09-25 | 2015-09-10 | Witricity Corporation | Safety systems for wireless energy transfer in vehicle applications |
JP5528080B2 (ja) * | 2009-12-10 | 2014-06-25 | キヤノン株式会社 | 電力供給装置 |
US9106086B2 (en) * | 2010-03-11 | 2015-08-11 | Qualcomm Incorporated | Detection and protection of devices within a wireless power system |
US8934857B2 (en) | 2010-05-14 | 2015-01-13 | Qualcomm Incorporated | Controlling field distribution of a wireless power transmitter |
KR20130099071A (ko) | 2010-08-25 | 2013-09-05 | 액세스 비지니스 그룹 인터내셔날 엘엘씨 | 무선 전원 공급 시스템 및 다층 심 조립체 |
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 |
US9252846B2 (en) * | 2011-09-09 | 2016-02-02 | Qualcomm Incorporated | Systems and methods for detecting and identifying a wireless power device |
TWI450468B (zh) | 2011-11-10 | 2014-08-21 | Acer Inc | 無線充電裝置、電子裝置、無線充電系統以及無線充電方法 |
JP6029278B2 (ja) | 2011-12-21 | 2016-11-24 | ソニー株式会社 | 受電装置及び非接触電力伝送システム |
US9726518B2 (en) * | 2012-07-13 | 2017-08-08 | Qualcomm Incorporated | Systems, methods, and apparatus for detection of metal objects in a predetermined space |
JP2015223009A (ja) * | 2012-09-15 | 2015-12-10 | 三洋電機株式会社 | 無接点充電方法 |
JP2014204630A (ja) * | 2013-04-09 | 2014-10-27 | 株式会社東海理化電機製作所 | 非接触充電器 |
CN104124768B (zh) | 2013-04-28 | 2018-04-20 | 海尔集团技术研发中心 | 多线圈阵列式无线供电系统接收端识别方法及系统 |
JP6252589B2 (ja) * | 2013-07-31 | 2017-12-27 | 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 |
US9921045B2 (en) * | 2013-10-22 | 2018-03-20 | Qualcomm Incorporated | Systems, methods, and apparatus for increased foreign object detection loop array sensitivity |
US9608470B2 (en) | 2013-11-27 | 2017-03-28 | Nxp B.V. | Bank card presence detection to avoid a wireless charger demagnetizing a bank card |
US9281706B2 (en) * | 2014-01-23 | 2016-03-08 | Qualcomm Technologies International Ltd. | Object detection in a wireless charging field |
US10170939B2 (en) * | 2014-02-28 | 2019-01-01 | Panasonic Intellectual Property Management Co. Ltd. | Foreign object detector, power transmitting device and power receiving device for wireless power transmission, and wireless power transmission system |
JP5915953B2 (ja) * | 2014-03-05 | 2016-05-11 | パナソニックIpマネジメント株式会社 | 異物検出装置、送電装置、受電装置、および無線電力伝送システム |
US9939539B2 (en) | 2014-04-04 | 2018-04-10 | Texas Instruments Incorporated | Wireless power receiver and/or foreign object detection by a wireless power transmitter |
JP6471965B2 (ja) | 2014-05-27 | 2019-02-20 | パナソニックIpマネジメント株式会社 | 送電装置および無線電力伝送システム |
CN107257167B (zh) | 2014-05-27 | 2020-01-21 | 松下知识产权经营株式会社 | 送电装置以及无线电力传输系统 |
JP2016039644A (ja) * | 2014-08-05 | 2016-03-22 | パナソニック株式会社 | 送電装置および無線電力伝送システム |
KR102197580B1 (ko) | 2014-10-07 | 2021-01-04 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 무선 전력 전송 장치 및 방법 |
JP2018503063A (ja) | 2014-11-11 | 2018-02-01 | パワーバイプロキシ リミテッド | 誘導電力送信器 |
US20160241061A1 (en) * | 2015-02-17 | 2016-08-18 | Qualcomm Incorporated | Clover leaf and butterfly coil structures for flat wireless coupling profiles in wireless power transfer applications |
CN112564299B (zh) | 2015-03-04 | 2024-03-05 | 苹果公司 | 感应功率发射器 |
US20160322853A1 (en) | 2015-04-28 | 2016-11-03 | Intel Corporation | System and method for safe wireless charging station |
CN106160268B (zh) * | 2015-05-15 | 2020-11-06 | 松下知识产权经营株式会社 | 异物检测装置、无线送电装置以及无线电力传送系统 |
CN106410991B (zh) | 2015-07-30 | 2021-08-27 | 松下知识产权经营株式会社 | 异物检测装置、无线送电装置以及无线电力传输系统 |
KR101637411B1 (ko) | 2015-07-31 | 2016-07-08 | (주)파워리퍼블릭얼라이언스 | 금속 환경 자기공진 무선전력전송 시스템용 송신기 |
WO2017062647A1 (en) | 2015-10-06 | 2017-04-13 | Witricity Corporation | Rfid tag and transponder detection in wireless energy transfer systems |
CN105406552B (zh) | 2015-12-25 | 2018-10-12 | 昆山维信诺科技有限公司 | 无线充电装置及其充电设备和受电设备 |
-
2017
- 2017-10-30 SG SG10201708902RA patent/SG10201708902RA/en unknown
- 2017-11-06 US US15/804,145 patent/US10530191B2/en not_active Expired - Fee Related
-
2018
- 2018-01-29 WO PCT/US2018/015778 patent/WO2018144392A1/en active Application Filing
- 2018-01-29 CN CN202011306257.1A patent/CN112467893A/zh active Pending
- 2018-01-29 KR KR1020197024950A patent/KR102161391B1/ko active IP Right Grant
- 2018-01-29 KR KR1020207027335A patent/KR102224419B1/ko active IP Right Grant
- 2018-01-29 CN CN201880009061.0A patent/CN110268598B/zh active Active
-
2019
- 2019-12-03 US US16/702,372 patent/US11462950B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN110268598B (zh) | 2020-10-27 |
KR20190109494A (ko) | 2019-09-25 |
KR102161391B1 (ko) | 2020-09-29 |
KR20200113012A (ko) | 2020-10-05 |
CN112467893A (zh) | 2021-03-09 |
WO2018144392A1 (en) | 2018-08-09 |
CN110268598A (zh) | 2019-09-20 |
US10530191B2 (en) | 2020-01-07 |
US11462950B2 (en) | 2022-10-04 |
US20180219430A1 (en) | 2018-08-02 |
US20200106307A1 (en) | 2020-04-02 |
KR102224419B1 (ko) | 2021-03-05 |
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