View source for 18821848. SHIELDING STRUCTURES FOR WIRELESS CHARGING SYSTEMS (Apple Inc.)

=SHIELDING STRUCTURES FOR WIRELESS CHARGING SYSTEMS=


==Organization Name==

[[:Category:Apple Inc.|Apple Inc.]]


[[Category:Apple Inc.]]

==Inventor(s)==

[[:Category:Saining Ren of Auckland (NZ)|Saining Ren of Auckland (NZ)]][[Category:Saining Ren of Auckland (NZ)]]

==SHIELDING STRUCTURES FOR WIRELESS CHARGING SYSTEMS==


This abstract first appeared for US patent application 18821848 titled 'SHIELDING STRUCTURES FOR WIRELESS CHARGING SYSTEMS




==Original Abstract Submitted==

Implementations described herein provide systems and methods for wireless charging. In one implementation, a portable electronic device comprises a housing, a planar inductor coil, and a ferromagnetic shield. The planar inductor coil is disposed in the housing and comprises a conductive wire wound a plurality of turns about a center point and in increasing radii. The ferromagnetic shield is disposed in the housing and overlaps the planar inductor coil. The ferromagnetic shield comprises a first layer comprising a first plurality of iron-based nanocrystalline ribbons arranged in adjacent rows along a first direction and a second layer comprising a second plurality of iron-based nanocrystalline ribbons overlapping the first layer. The second plurality of iron-based nanocrystalline ribbons is arranged in adjacent rows along a second direction different from the first direction.



[[Category:H02J50/70]]
[[Category:H01F1/04]]
[[Category:H02J50/10]]
[[Category:CPC_H02J50/70]]