SE541339C2 - A mobile device tester for precise inductive power measurement and a calibration unit therefor - Google Patents

A mobile device tester for precise inductive power measurement and a calibration unit therefor

Info

Publication number
SE541339C2
SE541339C2 SE1451610A SE1451610A SE541339C2 SE 541339 C2 SE541339 C2 SE 541339C2 SE 1451610 A SE1451610 A SE 1451610A SE 1451610 A SE1451610 A SE 1451610A SE 541339 C2 SE541339 C2 SE 541339C2
Authority
SE
Sweden
Prior art keywords
transmitter coil
primary transmitter
voltage
ptx
inductive power
Prior art date
Application number
SE1451610A
Other languages
English (en)
Other versions
SE1451610A1 (en
Inventor
Joakim Wallman
Martin Neckmar
Original Assignee
Nok9 Ip Ab
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 Nok9 Ip Ab filed Critical Nok9 Ip Ab
Priority to SE1451610A priority Critical patent/SE541339C2/en
Priority to EP15201227.4A priority patent/EP3035490B1/en
Priority to KR1020150182047A priority patent/KR101901837B1/ko
Priority to US14/974,693 priority patent/US10317440B2/en
Priority to JP2015247677A priority patent/JP6659349B2/ja
Priority to TW104142764A priority patent/TWI701887B/zh
Priority to CN201510965280.4A priority patent/CN105717389B/zh
Publication of SE1451610A1 publication Critical patent/SE1451610A1/en
Publication of SE541339C2 publication Critical patent/SE541339C2/en

Links

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2836—Fault-finding or characterising
    • G01R31/2839—Fault-finding or characterising using signal generators, power supplies or circuit analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
SE1451610A 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor SE541339C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor
EP15201227.4A EP3035490B1 (en) 2014-12-19 2015-12-18 A mobile device tester for precise inductive power measurement and a calibration unit therefor
KR1020150182047A KR101901837B1 (ko) 2014-12-19 2015-12-18 정밀한 유도 전력 측정을 위한 모바일 장치 테스터 및 그 보정 유닛
US14/974,693 US10317440B2 (en) 2014-12-19 2015-12-18 Mobile device tester for precise inductive power measurement and calibration unit therefor and method therefor
JP2015247677A JP6659349B2 (ja) 2014-12-19 2015-12-18 正確な誘導電力計測のためのモバイル装置テスタ及びこのテスタ用の較正ユニット
TW104142764A TWI701887B (zh) 2014-12-19 2015-12-18 用於精確感應電力測量的行動設備測試器和用於其的標定單元
CN201510965280.4A CN105717389B (zh) 2014-12-19 2015-12-21 用于精确感应电力测量的移动设备测试器和用于其的标定单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor

Publications (2)

Publication Number Publication Date
SE1451610A1 SE1451610A1 (en) 2016-06-20
SE541339C2 true SE541339C2 (en) 2019-07-16

Family

ID=55023942

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor

Country Status (7)

Country Link
US (1) US10317440B2 (enExample)
EP (1) EP3035490B1 (enExample)
JP (1) JP6659349B2 (enExample)
KR (1) KR101901837B1 (enExample)
CN (1) CN105717389B (enExample)
SE (1) SE541339C2 (enExample)
TW (1) TWI701887B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541339C2 (en) * 2014-12-19 2019-07-16 Nok9 Ip Ab A mobile device tester for precise inductive power measurement and a calibration unit therefor
US10116145B2 (en) * 2015-10-16 2018-10-30 uBeam Inc. Performance adjustment for wireless power transfer devices
EP3379268B1 (en) * 2017-03-23 2022-05-04 Rohde & Schwarz GmbH & Co. KG Test and measurement device and operating method
EP3547487B1 (en) * 2018-03-29 2020-03-25 NOK9 ip AB A testing device for testing a wireless power transmitter device, and an associated method
EP4089432A1 (en) 2021-05-14 2022-11-16 ElectDis AB Methods and systems for providing a secondary reference for wireless power transfer measurements and for evaluating a wireless power measurement device
KR20240149928A (ko) * 2022-02-11 2024-10-15 엘렉트디스 에이비 전력 보정 방법
TWI806675B (zh) * 2022-06-23 2023-06-21 瑞昱半導體股份有限公司 發射器與功率校正方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130026847A1 (en) * 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Wireless power transmission system, method and apparatus for tracking resonance frequency in wireless power transmission system

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GB2414120B (en) * 2004-05-11 2008-04-02 Splashpower Ltd Controlling inductive power transfer systems
WO2005109597A1 (en) * 2004-05-11 2005-11-17 Splashpower Limited Controlling inductive power transfer systems
US7952322B2 (en) * 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
DE102008034109B4 (de) * 2008-07-21 2016-10-13 Dspace Digital Signal Processing And Control Engineering Gmbh Schaltung zur Nachbildung einer elektrischen Last
US8502545B2 (en) * 2008-10-20 2013-08-06 Siemens Aktiengesellschaft Apparatus and method for reactive power compensation of a test transformer
TWI577103B (zh) * 2010-02-08 2017-04-01 通路實業集團國際公司 置入之寄生金屬檢測及其相關方法
US9148201B2 (en) 2011-02-11 2015-09-29 Qualcomm Incorporated Systems and methods for calibration of a wireless power transmitter
US20120206113A1 (en) * 2011-02-14 2012-08-16 Frank William Kogel Parameter configuration method for elements of a power factor correction converter
US9190851B2 (en) * 2011-06-24 2015-11-17 Samsung Electro-Mechanics Calibration and assignment processes in wireless power transfer systems
US20140252866A1 (en) * 2011-11-03 2014-09-11 Jim Walsh Presence and range detection of wireless power receiving devices and method thereof
RU2639726C2 (ru) * 2012-10-16 2017-12-22 Конинклейке Филипс Н.В. Беспроводная индуктивная передача мощности
CN103545882B (zh) * 2013-10-11 2015-07-22 华为技术有限公司 电池在位检测方法、装置及充电系统
US9391470B2 (en) * 2013-11-06 2016-07-12 Blackberry Limited Energy transfer optimization by detecting and mitigating magnetic saturation in wireless charging with foreign object detection
CN103728533B (zh) * 2014-01-16 2016-05-18 北京航空航天大学 一种大功率非接触充电系统主电路故障检测装置
SE541339C2 (en) * 2014-12-19 2019-07-16 Nok9 Ip Ab A mobile device tester for precise inductive power measurement and a calibration unit therefor
US9985481B2 (en) * 2016-03-28 2018-05-29 Intel IP Corporation Dynamic power adjustment mechanism for mitigating wireless power interference
EP3244542B1 (en) * 2016-05-09 2019-07-24 Intel IP Corporation Method and device for mitigating interference due to a wireless charging signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130026847A1 (en) * 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Wireless power transmission system, method and apparatus for tracking resonance frequency in wireless power transmission system

Also Published As

Publication number Publication date
US20160178676A1 (en) 2016-06-23
KR101901837B1 (ko) 2018-11-07
KR20160075369A (ko) 2016-06-29
SE1451610A1 (en) 2016-06-20
TW201633659A (zh) 2016-09-16
TWI701887B (zh) 2020-08-11
JP2016140234A (ja) 2016-08-04
EP3035490B1 (en) 2019-08-14
CN105717389B (zh) 2020-09-15
CN105717389A (zh) 2016-06-29
EP3035490A1 (en) 2016-06-22
US10317440B2 (en) 2019-06-11
JP6659349B2 (ja) 2020-03-04

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