EP3497774A4 - Miniaturized highly-efficient designs for near-field power transfer system - Google Patents

Miniaturized highly-efficient designs for near-field power transfer system Download PDF

Info

Publication number
EP3497774A4
EP3497774A4 EP17840412.5A EP17840412A EP3497774A4 EP 3497774 A4 EP3497774 A4 EP 3497774A4 EP 17840412 A EP17840412 A EP 17840412A EP 3497774 A4 EP3497774 A4 EP 3497774A4
Authority
EP
European Patent Office
Prior art keywords
transfer system
power transfer
field power
efficient designs
miniaturized
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.)
Pending
Application number
EP17840412.5A
Other languages
German (de)
French (fr)
Other versions
EP3497774A1 (en
Inventor
Alister HOSSEINI
Michael A. Leabman
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.)
Energous Corp
Original Assignee
Energous Corp
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 US15/269,729 external-priority patent/US10320446B2/en
Application filed by Energous Corp filed Critical Energous Corp
Publication of EP3497774A1 publication Critical patent/EP3497774A1/en
Publication of EP3497774A4 publication Critical patent/EP3497774A4/en
Pending legal-status Critical Current

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
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface
    • 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
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
EP17840412.5A 2016-08-12 2017-08-14 Miniaturized highly-efficient designs for near-field power transfer system Pending EP3497774A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662374578P 2016-08-12 2016-08-12
US15/269,729 US10320446B2 (en) 2015-12-24 2016-09-19 Miniaturized highly-efficient designs for near-field power transfer system
PCT/US2017/046800 WO2018032009A1 (en) 2016-08-12 2017-08-14 Miniaturized highly-efficient designs for near-field power transfer system

Publications (2)

Publication Number Publication Date
EP3497774A1 EP3497774A1 (en) 2019-06-19
EP3497774A4 true EP3497774A4 (en) 2019-08-14

Family

ID=61163340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17840412.5A Pending EP3497774A4 (en) 2016-08-12 2017-08-14 Miniaturized highly-efficient designs for near-field power transfer system

Country Status (5)

Country Link
EP (1) EP3497774A4 (en)
JP (1) JP6770172B2 (en)
KR (1) KR102089375B1 (en)
CN (1) CN109874351B (en)
WO (1) WO2018032009A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11159057B2 (en) * 2018-03-14 2021-10-26 Energous Corporation Loop antennas with selectively-activated feeds to control propagation patterns of wireless power signals
WO2019190091A1 (en) * 2018-03-28 2019-10-03 엘지이노텍 주식회사 Wireless charging device with wireless communication coil
CN111509403B (en) * 2019-01-31 2022-02-18 Oppo广东移动通信有限公司 Array antenna and electronic device
CA3159410A1 (en) * 2019-10-28 2021-05-06 Bench Tree Group, Llc Electromagnetic tool using slotted point dipole antennas
JP7514104B2 (en) 2020-04-07 2024-07-10 矢崎総業株式会社 Color center excitation antenna and sensor
JP2024012724A (en) * 2020-11-24 2024-01-31 エイターリンク株式会社 Wireless power supply mask device
KR102283986B1 (en) * 2021-06-29 2021-07-29 양황순 Coil Assembly for wireless battery charge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008125A1 (en) * 1993-09-17 1995-03-23 Teradyne, Inc. Printed circuit board tester
WO1998031070A1 (en) * 1997-01-14 1998-07-16 Checkpoint Systems, Inc. Multiple loop antenna
WO2007070571A2 (en) * 2005-12-14 2007-06-21 The University Of Kansas Microstrip antenna for rfid device
EP2747195A1 (en) * 2012-12-21 2014-06-25 Stichting IMEC Nederland Antenna arrangement for wireless powering

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142292A (en) * 1991-08-05 1992-08-25 Checkpoint Systems, Inc. Coplanar multiple loop antenna for electronic article surveillance systems
JPH1132452A (en) * 1997-05-15 1999-02-02 Hitachi Ltd Reader and/or writer
JP3655483B2 (en) * 1999-02-26 2005-06-02 株式会社東芝 ANTENNA DEVICE AND RADIO DEVICE USING THE SAME
JP3986701B2 (en) * 1999-03-15 2007-10-03 日立情報通信エンジニアリング株式会社 Wireless card communication device
JP2000323916A (en) * 1999-05-10 2000-11-24 Mitsubishi Electric Corp Loop antenna
US7855696B2 (en) * 2007-03-16 2010-12-21 Rayspan Corporation Metamaterial antenna arrays with radiation pattern shaping and beam switching
RU2506678C2 (en) * 2008-04-03 2014-02-10 Конинклейке Филипс Электроникс Н.В. System of contactless transmission of power
JP5376060B2 (en) * 2010-07-08 2013-12-25 株式会社村田製作所 Antenna and RFID device
US9806420B2 (en) * 2012-06-12 2017-10-31 The United States Of America As Represented By Secretary Of The Navy Near field tunable parasitic antenna
KR101932383B1 (en) 2017-12-21 2018-12-24 한국과학기술원 Wireless power transfer apparatus using metamaterial and loop coil array and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008125A1 (en) * 1993-09-17 1995-03-23 Teradyne, Inc. Printed circuit board tester
WO1998031070A1 (en) * 1997-01-14 1998-07-16 Checkpoint Systems, Inc. Multiple loop antenna
WO2007070571A2 (en) * 2005-12-14 2007-06-21 The University Of Kansas Microstrip antenna for rfid device
EP2747195A1 (en) * 2012-12-21 2014-06-25 Stichting IMEC Nederland Antenna arrangement for wireless powering

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018032009A1 *

Also Published As

Publication number Publication date
WO2018032009A1 (en) 2018-02-15
CN109874351B (en) 2021-07-16
EP3497774A1 (en) 2019-06-19
JP6770172B2 (en) 2020-10-14
KR20190032600A (en) 2019-03-27
JP2019531682A (en) 2019-10-31
KR102089375B1 (en) 2020-03-17
CN109874351A (en) 2019-06-11

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