Electricity: battery or capacitor charging or discharging – Cell or battery charger structure
Patent
1994-05-02
1998-11-17
Nappi, Robert
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
320123, 320135, H01M 1044
Patent
active
058381384
ABSTRACT:
A power regeneration system for a portable electronic device employs a mechanical energy converter for converting mechanical energy generated by activating keys in the keyboard and other manual operators employed in the portable computer into electrical energy. The mechanically generated electrical energy is used to power a transmitter or to recharge a rechargeable battery in the portable computer through a charging circuit. Time between charges of the rechargeable battery from external AC sources is extended due to the recapture of the mechanical energy generated through normal operation of the portable computer.
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