WIRELESSLY RECHARGEABLE BATTERY AND POWER TRANSMITTER
First Claim
Patent Images
1. 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.
5 Assignments
0 Petitions
Accused Products
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.
64 Citations
48 Claims
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1. A wirelessly rechargeable battery comprising:
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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. - View Dependent Claims (2, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16)
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3-5. -5. (canceled)
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10. (canceled)
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17-19. -19. (canceled)
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20. A wirelessly rechargeable battery comprising:
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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 at least partially housed within the ferrite core.
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21-38. -38. (canceled)
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39. A wireless power transmitter including:
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a. a plurality of power transmission coils arranged in a planar array; and b. a driving circuit for driving the coils such that at least a first coil is driven so as to produce an alternating magnetic field of opposite polarity to that produced by a second coil. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification