SYSTEM AND METHOD OF EXTENDING USEFUL LIFE OF POWER SUPPLY

SYSTEM AND METHOD OF EXTENDING USEFUL LIFE OF POWER SUPPLY

A method of internally heating a power supply of an electronic device in reduced temperatures is provided. The method comprises positioning an antenna of the electronic device proximate to the power supply and receiving a "temperature" signal that is a function of a temperature of the powe...

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Hauptverfasser: PROCIW PHILIP JAMES, FENG YU WILLIAM, WU CHEE-MING JIMMY
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator PROCIW PHILIP JAMES
FENG YU WILLIAM
WU CHEE-MING JIMMY
description A method of internally heating a power supply of an electronic device in reduced temperatures is provided. The method comprises positioning an antenna of the electronic device proximate to the power supply and receiving a "temperature" signal that is a function of a temperature of the power supply. When it is determined that the temperature is within a reduced operating-temperature range, the temperature is elevated and the equivalent series resistance (ESR) of the power supply is correspondingly reduced by actively sending current through the antenna. The "current sending" operation is reduced when the temperature of the portable electronic device is outside the reduced operating-temperature range.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title SYSTEM AND METHOD OF EXTENDING USEFUL LIFE OF POWER SUPPLY
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