Device cover with embedded power receiver
First Claim
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1. Apparatus for fitting onto an electric power using device, which has a plug receptacle for receiving electric power, to enable the electric power using device to receive electric power from a recharging pad that has a power delivery surface, comprising:
- a gel-skin case formed to fit and attach snugly onto the electric power using device;
means for extracting electric power from the power delivery surface formed integrally in the gel-skin case; and
connector means molded integrally into the gel-skin case for connecting electric power extracted from the power delivery surface by the means for extracting electric power to the plug receptacle of the electric power using device, wherein the connector means includes a flexible printed circuit board, which is laminated with a circuit carrier that is flexible but non-stretchable, and which comprises electric conduction for conducting electric power extracted from the power delivery for extracting electric power to the plug receptacle of the electric power using device.
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Abstract
A charging system comprises circuitry adapted to devices to be charged, including a power receiver module embedded or molded into form-fit case, e.g., gel-skin, that attaches physically and electrically to the device to be charged and that effectively receives power either conductively or inductively from a power delivery surface of a recharging pad on which the devices are placed.
63 Citations
8 Claims
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1. Apparatus for fitting onto an electric power using device, which has a plug receptacle for receiving electric power, to enable the electric power using device to receive electric power from a recharging pad that has a power delivery surface, comprising:
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a gel-skin case formed to fit and attach snugly onto the electric power using device; means for extracting electric power from the power delivery surface formed integrally in the gel-skin case; and connector means molded integrally into the gel-skin case for connecting electric power extracted from the power delivery surface by the means for extracting electric power to the plug receptacle of the electric power using device, wherein the connector means includes a flexible printed circuit board, which is laminated with a circuit carrier that is flexible but non-stretchable, and which comprises electric conduction for conducting electric power extracted from the power delivery for extracting electric power to the plug receptacle of the electric power using device. - View Dependent Claims (2, 3, 4, 5)
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6. The apparatus of claim l, wherein the means for extracting electric power from the power delivery surface includes:
- (i) a non-conductive, rigid or semi-rigid plate supporting an inductive pickup coil in a resonant power receiving circuit that produces electric power inductively from an alternating magnetic field created by one or more coils in or adjacent the power delivery surface that is part of a resonant power transmitter circuit in which the resonance matches the resonance of the power receiving circuit; and
(ii) a printed circuit board comprising an electronic circuit that includes the resonant power receiving circuit and a rectifier circuit for rectifying electric power received by the resonant power receiving circuit from the resonant power transmitter circuit to DC power for use by the power using device. - View Dependent Claims (7, 8)
- (i) a non-conductive, rigid or semi-rigid plate supporting an inductive pickup coil in a resonant power receiving circuit that produces electric power inductively from an alternating magnetic field created by one or more coils in or adjacent the power delivery surface that is part of a resonant power transmitter circuit in which the resonance matches the resonance of the power receiving circuit; and
Specification