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US 9,318,780 B2Granted
Wirelessly rechargeable battery and power transmitter
AssigneePowerbyProxi Limited
InventorsDaniel Robertson, Kunal Bhargava, Thushari Gomes
Life of this patent
Estimating the term…
Abstract
A wirelessly rechargeable battery is provided having coils oriented off major battery axes to facilitate good coupling with power transmitter magnetic fields. A magnetic core may house charging electronics for a compact form factor. A wireless power transmitter that produces fields to maximize coupling with receiver coils.
Claims13
A wirelessly rechargeable battery comprising:
- a. an elongate battery casing having a longitudinal axis;
- b. a rechargeable storage device;
- c. a plurality of power receiving coils disposed at an angle of between 30 to 60 degrees to the longitudinal axis;
- and
- d. a charging circuit for controlling the supply of power from the coils to the storage device.
2 more elements
A wirelessly rechargeable battery comprising:
- a. a battery casing;
- b. a rechargeable storage device;
- c. one or more power receiving coils mounted on a ferrite core;
- and
- d. a charging circuit for controlling the supply of power from the coils to the storage device, wherein at least one of the charging circuit and the storage device is at least partially housed within the ferrite core.
2 more elements
Dependencies are inferred from the claim text.