SG11201803901XA - Noise mitigation in wireless power systems - Google Patents

Noise mitigation in wireless power systems

Info

Publication number
SG11201803901XA
SG11201803901XA SG11201803901XA SG11201803901XA SG11201803901XA SG 11201803901X A SG11201803901X A SG 11201803901XA SG 11201803901X A SG11201803901X A SG 11201803901XA SG 11201803901X A SG11201803901X A SG 11201803901XA SG 11201803901X A SG11201803901X A SG 11201803901XA
Authority
SG
Singapore
Prior art keywords
international
cupertino
pct
loop
wireless power
Prior art date
Application number
SG11201803901XA
Inventor
Karan S Jain
Supratik Datta
Nandita Venugopal
Asif Hussain
Original Assignee
Apple Inc
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 Apple Inc filed Critical Apple Inc
Publication of SG11201803901XA publication Critical patent/SG11201803901XA/en

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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/041—Printed circuit coils
    • 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
    • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

BW O 20 18/ 13 2333 Al 408 FIG. 4A (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 19 July 2018 (19.07.2018) WIP0 I PCT omitia °nolo um moilinn ono oimIE (10) International Publication Number WO 2018/132333 Al (51) International Patent Classification: H02J 50/10 (2016.01) HOlF 27/28 (2006.01) (21) International Application Number: PCT/US2018/012795 (22) International Filing Date: 08 January 2018 (08.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/445,202 11 January 2017 (11.01.2017) US 15/474,569 30 March 2017 (30.03.2017) US (71) Applicant: APPLE INC. [US/US]; One Infinite Loop, Cu- pertino, California 95014 (US). (72) Inventors: JAIN, Karan S.; One Infinite Loop, MS: 87-1PS, Cupertino, CA 95014 (US). DATTA, Supratik; One Infinite Loop, MS: 87-1PS, Cupertino, CA 95014 (US). VENUGOPAL, Nandita; One Infmite Loop, MS: 87-1PS, Cupertino, CA 95014 (US). HUSSAIN, Asif; One Infmite Loop, MS: 87-1PS, Cupertino, CA 95014 (US). (74) Agent: HEMENWAY, S. Craig et al.; 410 Seventeenth Street, Suite 2200, Denver, Colorado 80202 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h)) — (54) Title: NOISE MITIGATION IN WIRELESS POWER SYSTEMS (57) : A wireless power system includes an electrically-bal- 400 anced inductor in a transmitter device and an electrically-balanced inductor in a receiver device. The electrically-balanced inductors can be formed by introducing crossovers between radially-adjacent por- tions of two separate turns of each inductor. The crossovers balance the electric field generated by the transmitter device when transfer- ring power to the receiver device.
SG11201803901XA 2017-01-11 2018-01-08 Noise mitigation in wireless power systems SG11201803901XA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762445202P 2017-01-11 2017-01-11
US15/474,569 US10594160B2 (en) 2017-01-11 2017-03-30 Noise mitigation in wireless power systems
PCT/US2018/012795 WO2018132333A1 (en) 2017-01-11 2018-01-08 Noise mitigation in wireless power systems

Publications (1)

Publication Number Publication Date
SG11201803901XA true SG11201803901XA (en) 2018-08-30

Family

ID=62783502

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201803901XA SG11201803901XA (en) 2017-01-11 2018-01-08 Noise mitigation in wireless power systems

Country Status (3)

Country Link
US (1) US10594160B2 (en)
SG (1) SG11201803901XA (en)
WO (1) WO2018132333A1 (en)

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