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US 11,887,775 B2Granted
Dual mode wireless power system designs
AssigneeApple Inc.
InventorsChristopher M. Pinciuc, Daniel T. McDonald, Tao Pan
Life of this patent
Estimating the term…
Abstract
Electronic devices according to embodiments of the present technology may include a battery. The devices may include a nanocrystalline foil. The devices may include a wireless charging coil seated on the nanocrystalline foil. The devices may also include an integrated circuit configured to operate the wireless charging coil in a wireless charging transmission mode.
Claims20
An electronic device comprising:
- a housing including a wall having an outer surface arranged to receive a portable electronic device for wireless power transfer between the electronic device and the portable electronic device;
- a battery positioned within the housing;
- a wireless power coil positioned within the housing;
- and
- one or more layers of nanocrystalline material positioned between the battery and the wireless power coil, wherein the one or more layers of nanocrystalline material are arranged to at least partially absorb magnetic flux from a magnet of the portable electronic device.
2 more elements
An electronic device comprising:
- a housing including an exterior surface defining an interface region;
- a wireless power coil positioned proximate the interface region;
- a battery positioned within the housing;
- and
- one or more layers of nanocrystalline material positioned between the battery and the wireless power coil, wherein the one or more layers of nanocrystalline material are arranged to at least partially absorb magnetic flux from a magnet of a portable electronic device that is positioned at the interface region.
2 more elements
A method of forming an electronic device, the method comprising:
- forming a housing including a wall having an outer surface arranged to receive a portable electronic device for wireless power transfer between the electronic device and the portable electronic device;
- positioning a wireless power coil within the housing;
- positioning a battery within the housing;
- and
- positioning one or more layers of nanocrystalline material between the battery and the wireless power coil, the one or more layers of nanocrystalline foil arranged to at least partially absorb magnetic flux from a magnet of the portable electronic device.
2 more elements
Dependencies are inferred from the claim text.