Adding in-device battery charging capability to battery-powered devices
First Claim
1. A battery charging device comprising a wireless receiver of energy means, a charging circuit means, and a connector means, whereby said charging circuit means transforms energy from said wireless receiver of energy means to a form suitable for charging a battery or cell that is attached to said charging circuit means by said connector means.
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Abstract
An in-device battery charging system for battery-powered devices is described. The system allows rechargeable batteries to be recharged without removing them from the battery-powered device. The charging system retrofits battery-powered devices intended for use with disposable batteries. In particular, standard sized batteries may be recharged, maintained, and monitored without removing them from the battery-powered device.
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Citations
14 Claims
- 1. A battery charging device comprising a wireless receiver of energy means, a charging circuit means, and a connector means, whereby said charging circuit means transforms energy from said wireless receiver of energy means to a form suitable for charging a battery or cell that is attached to said charging circuit means by said connector means.
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14. A method for performing in-device battery recharging comprising inserting rechargeable batteries into a battery-powered device, connecting a wireless receiver of energy to the battery through a charging circuit, and placing the battery-powered device within close proximity to a wireless transmitter of energy compatible with said wireless receiver of energy whereby a battery-powered device formerly incapable of supporting in-device battery recharging becomes able to support same.
Specification