APPARATUS AND METHOD FOR HIGH EFFICIENCY VARIABLE POWER TRANSMISSION
First Claim
1. A high efficiency variable power transmitting apparatus comprising:
- a variable power generating unit configured to output a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF;
a power amplifier (PA) configured to amplify the variable power to satisfy a requested power level of a target device based on a power supply voltage having a predetermined level; and
a power supply configured to convert an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generate the power supply voltage having the predetermined level based on the DC voltage, and provide the power supply voltage having the predetermined level to the PA.
2 Assignments
0 Petitions
Accused Products
Abstract
A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA.
27 Citations
31 Claims
-
1. A high efficiency variable power transmitting apparatus comprising:
-
a variable power generating unit configured to output a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF; a power amplifier (PA) configured to amplify the variable power to satisfy a requested power level of a target device based on a power supply voltage having a predetermined level; and a power supply configured to convert an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generate the power supply voltage having the predetermined level based on the DC voltage, and provide the power supply voltage having the predetermined level to the PA. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A high efficiency variable power transmitting apparatus comprising:
-
a high frequency signal generating unit configured to generate a high frequency signal having a constant amplitude; a power amplifier (PA) configured to amplify the high frequency signal to satisfy a requested power level of a target device based on a variable power supply voltage; and a variable power supply configured to convert an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, modulate the DC voltage with respect to a time axis by turning the DC voltage ON and OFF to generate the variable power supply voltage, and provide the variable power supply voltage to the PA. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A high efficiency variable power transmitting method comprising:
-
converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage; generating a power supply voltage having a predetermined level based on the DC voltage; providing the power supply voltage having the predetermined level to a power amplifier (PA); outputting a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF; and amplifying, using the PA, the variable power to satisfy a requested power level of a target device based on the power supply voltage having the predetermined level. - View Dependent Claims (17, 18, 19, 20)
-
-
21. A high efficiency variable power transmitting method comprising:
-
converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage; generating a variable power supply voltage by modulating the DC voltage with respect to a time axis by turning the DC voltage ON and OFF; providing the variable power supply voltage to a power amplifier (PA); generating a high frequency signal having a constant amplitude; and amplifying, using the PA, the high frequency signal to satisfy a requested power level of a target device based on the variable power supply voltage. - View Dependent Claims (22, 23)
-
-
24. A variable power transmitting apparatus comprising:
-
a variable power generating unit configured to output a high frequency signal having ON states and OFF states having a duty cycle depending on a requested power level of a target device, the high frequency signal having a constant amplitude during the ON states; a power supply configured to output a power supply voltage having a fixed predetermined level; and a power amplifier (PA) operated by the power supply voltage having the fixed predetermined level and configured to amplify the high frequency signal to output a variable power satisfying the requested power level of the target device. - View Dependent Claims (25, 26, 27)
-
-
28. A variable power transmitting apparatus comprising:
-
a high frequency signal generating unit configured to output a high frequency signal having ON states and OFF states having a duty cycle depending on a requested power level of a target device, the high frequency signal having a constant amplitude during the ON states; a variable power supply configured to output a variable power supply voltage having ON states and OFF states having a duty cycle depending on a requested power level of a target device, the variable power supply voltage having a fixed predetermined level during the ON states; and a power amplifier (PA) operated by the variable power supply voltage and configured to amplify the high frequency signal to output a variable power satisfying the requested power level of the target device. - View Dependent Claims (29, 30, 31)
-
Specification