Wireless power transmitting apparatus, wireless power receiving apparatus, and circuit for correcting differential signal
First Claim
1. A wireless power transmitting apparatus comprising:
- a power providing circuitry configured to provide power;
a gate driver comprising circuitry configured to generate a differential signal comprising a first signal and a second signal using the power provided from the power providing circuitry;
a differential signal correcting circuitry connecting the gate driver and an amplifier, wherein the differential signal correcting circuitry is configured to correct the differential signal such that both of the first signal and the second signal are not outputted based on overlap of the first signal and the second signal;
the amplifier comprising circuitry configured to amplify the differential signal by a predetermined gain; and
a power transmitting circuitry configured toreceive the amplified differential signal and emit magnetic wave based on the amplified differential signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless power transmitting apparatus wirelessly charging a wireless power receiving apparatus is provided. The wireless power transmitting apparatus includes a power providing unit configured to provide power, a gate driver configured to generate a differential signal formed of a first signal and a second signal from the power provided from the power providing unit, an amplifier configured to amplify the differential signal by a predetermined gain, a power transmitting unit configured to transmit the amplified differential signal to the wireless power receiving apparatus, and a differential signal correcting circuit that is disposed between the gate driver and the amplifier and is configured to correct the differential signal so that a predetermined phase difference between the first signal and the second signal is maintained.
3 Citations
15 Claims
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1. A wireless power transmitting apparatus comprising:
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a power providing circuitry configured to provide power; a gate driver comprising circuitry configured to generate a differential signal comprising a first signal and a second signal using the power provided from the power providing circuitry; a differential signal correcting circuitry connecting the gate driver and an amplifier, wherein the differential signal correcting circuitry is configured to correct the differential signal such that both of the first signal and the second signal are not outputted based on overlap of the first signal and the second signal; the amplifier comprising circuitry configured to amplify the differential signal by a predetermined gain; and a power transmitting circuitry configured to receive the amplified differential signal and emit magnetic wave based on the amplified differential signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power transmitting apparatus comprising:
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a power providing circuitry configured to provide power; a gate driver comprising circuitry configured to generate a differential signal from the power provided from the power providing circuitry; an amplifier comprising circuitry configured to amplify the differential signal by a predetermined gain; a differential signal correcting circuitry connecting the amplifier and a power transmitting circuitry, wherein the differential signal correcting circuitry is configured to correct the amplified differential signal such that both of a first signal and a second signal that are included in the amplified differential signal are not outputted based on overlap of the first signal and the second signal; and a power transmitting circuitry configured to receive the corrected differential signal and emit magnetic wave based on the corrected differential signal. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A wireless power receiving apparatus wirelessly receiving power from a wireless power transmitting apparatus, the wireless power receiving apparatus comprising:
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a power receiving circuitry configured to wirelessly receive the power from the wireless power transmitting apparatus; a rectifier comprising circuitry configured to rectify a differential signal output from the power receiving circuitry; a direct current to direct current (DC/DC) converter comprising circuitry configured to DC/DC convert the rectified differential signal; and a differential signal correcting circuitry connecting the power receiving circuitry and the rectifier, and is configured to correct the differential signal such that both of a first signal and a second signal that are included in the differential signal are not outputted based on overlap of the first signal and the second signal. - View Dependent Claims (14, 15)
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Specification