WEARABLE DEVICES FOR WIRELESS POWER TRANSFER AND COMMUNICATION
First Claim
Patent Images
1. A wireless charging system for a wearable device, the wireless charging system comprising:
- a plurality of coils configured, in the presence of an externally generated magnetic field, to wirelessly provide power to an electronic component in the wearable device, the plurality of coils comprising;
a first coil integrated with a device body of the wearable device; and
a second coil integrated with a portion of the wearable device that is configured to secure the wearable device to a user, the second coil having a non-planar contour.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a wireless charging system for a wearable device having a plurality of coils configured to couple to an externally generated magnetic field and provide power to an electronic component in the wearable device. The coils may include a first coil integrated with a device body of the wearable device and a second coil disposed in a portion of the wearable device that is configured to secure the wearable device to a user. The second coil may have a non-planar contour.
-
Citations
30 Claims
-
1. A wireless charging system for a wearable device, the wireless charging system comprising:
a plurality of coils configured, in the presence of an externally generated magnetic field, to wirelessly provide power to an electronic component in the wearable device, the plurality of coils comprising; a first coil integrated with a device body of the wearable device; and a second coil integrated with a portion of the wearable device that is configured to secure the wearable device to a user, the second coil having a non-planar contour. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
18. A method to configure a wearable device with a wireless charging system, the method comprising:
-
selecting a target mutual inductance (Mtarget) between a plurality of coils configured to be integrated with the wearable device at a plurality of locations and a transmitter coil configured to generate an externally generated magnetic field; determining a plurality of placement orientations of the wearable device in the externally generated magnetic field; determining a total mutual inductance between the plurality of coils and the transmitter coil for each of the plurality of placement orientations; changing one or more design parameters of the plurality of coils; and repeating the determining of the total mutual inductance and the changing the one or more design parameters until the total mutual inductance for each of the plurality of placement orientations is within substantially 20% of Mtarget. - View Dependent Claims (19, 20)
-
-
21. A wireless charging system comprising:
-
a plurality of coils comprising a first coil integrated with a device body of a wearable device and a second coil integrated with a portion of the wearable device that is configured to secure the wearable device to a user; and a plurality of switches electrically connected to the plurality of coils and operative to selectively connect together the plurality of coils in different combinations, the plurality of switches operative to electrically connect together the plurality of coils in a first combination comprising the plurality of coils electrically connected together to a first electronic component of the wearable device, the plurality of coils configured to couple to an externally generated magnetic field and provide power to the first electronic component, the plurality of switches operative to electrically connect together the plurality of coils in a second combination comprising a subset of the plurality of coils electrically connected together to the first electronic component and at least one of the plurality of coils electrically connected to a second electronic component in the wearable device, the subset of the plurality of coils configured to couple to the externally generated magnetic field and provide power to the first electronic component. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
-
-
29. A wireless charging system for a wearable device, the wireless charging system comprising:
-
a plurality of coils disposed on or within different surfaces of the wearable device, wherein at least two of the surfaces are oriented on different planes, the plurality of coils configured to couple to an externally generated magnetic field and provide power to an electronic component in the wearable device, a first mutual inductance between the plurality of coils and a transmitter coil configured to generate the externally generated magnetic field, when the wearable device is in a first orientation within the externally generated magnetic field, being within 20% of a second mutual inductance between the plurality of coils and the transmitter coil when the wearable device is in a second orientation within the externally generated magnetic field. - View Dependent Claims (30)
-
Specification