Apparatus and method for using ambient RF power in a portable terminal
First Claim
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1. An apparatus for using ambient radio frequency (RF) power in a portable terminal, comprising:
- an antenna array for receiving ambient RF signals left;
a rectifier for rectifying the RF signals to direct current (DC) voltages; and
a power storage device for storing the DC voltages from the rectifier as power.
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Abstract
An apparatus and method for using ambient RF power in a portable terminal are provided. In the charging apparatus, an antenna array receives RF signals left derelict in the air, a rectifier rectifies the RF signals to DC voltages, and a power storage stores the DC voltages as power.
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Citations
14 Claims
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1. An apparatus for using ambient radio frequency (RF) power in a portable terminal, comprising:
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an antenna array for receiving ambient RF signals left;
a rectifier for rectifying the RF signals to direct current (DC) voltages; and
a power storage device for storing the DC voltages from the rectifier as power. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of using ambient radio frequency (RF) power in a portable terminal, comprising the steps of:
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receiving ambient RF signals through an antenna array;
rectifying the RF signals to direct current (DC) voltages using a rectifying device; and
storing the DC voltages as power. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification