Inductive power supply
First Claim
1. A wireless power supply system capable of supplying power to a remote device, comprising:
- a housing;
a carrier movably supported within said housing, said carrier having a home position to which said carrier automatically returns when no remote device is present;
a primary inductor supported by and movable with said carrier;
a power supply circuit electrically coupled to said primary inductor, said power supply circuit supplying power to said primary inductor, said primary inductor producing an electromagnetic field in response to said power supplied by said power supply circuit.
2 Assignments
0 Petitions
Accused Products
Abstract
In one aspect, the present invention provides a wireless power supply having a plunger for mechanically interconnecting a remote device with the power supply. The plunger may be extendable/retractable to interfit with the remote device. In a second aspect, the present invention provides a wireless power supply with a movable primary that allows for close alignment between the primary and the secondary when the remote device is disposed within a range of different positions with respect to the charging surface. The movable primary may, for example, be coupled to the remote device by a peg, a plunger or a magnet. Alternatively, the position of the movable primary may be adjusted manually. In a third aspect, the present invention provides a charging bowl having a plurality of charging stations disposed about a common axis. Each charging station may include a movable primary that permits some freedom in positioning of the remote device on the charging surface. In a fourth aspect, the present invention provides a wireless power supply having a manually movable primary.
135 Citations
24 Claims
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1. A wireless power supply system capable of supplying power to a remote device, comprising:
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a housing; a carrier movably supported within said housing, said carrier having a home position to which said carrier automatically returns when no remote device is present; a primary inductor supported by and movable with said carrier; a power supply circuit electrically coupled to said primary inductor, said power supply circuit supplying power to said primary inductor, said primary inductor producing an electromagnetic field in response to said power supplied by said power supply circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless power supply system for supplying power to a remote device comprising:
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a power supply circuit; a primary inductor electrically coupled with said power supply circuit, said primary inductor capable of generating an electromagnetic field in response to receiving power from said power supply circuit, a wireless power supply surface, said surface being disposed within said electromagnetic field; and a plunger supported in said surface, said plunger movable between a first position in which said plunger is substantially flush with or recessed below said wireless power supply surface and a second position in which said plunger extends from said wireless power supply surface. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A wireless power supply for supplying power to a remote device comprising:
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a power supply circuit; a primary inductor electrically coupled with said power supply circuit, said primary inductor capable of generating an electromagnetic field in response to power supplied by said power supply circuit, a wireless power supply surface, said surface being disposed within said electromagnetic field; and a protrusion supported in said surface, said protrusion movable with respect to said wireless power supply surface with at least one degree of freedom, said primary inductor interconnected with said protrusion whereby movement of said protrusion results in movement of said primary inductor. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification