PACKAGING AND DETAILS OF A WIRELESS POWER DEVICE
First Claim
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1. A wireless power transmitter for transmitting power to at least one high-Q resonator, comprising:
- a high-Q magnetic resonator;
a transmit system that creates a driving signal at a frequency that is substantially resonant with said magnetic resonator; and
a current sensor, sensing an amount of current that flows through said magnetic resonator and creates a current sense signal indicative thereof;
wherein said signal indicative of current is used by said transmit system to change said driving signal based on a characteristic of transmitting by said magnetic resonator.
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Abstract
Described herein are embodiments of a wireless power transmitter for transmitting power to at least one high-Q resonator that includes a high-Q magnetic resonator, a transmit system that creates a driving signal at a frequency that is substantially resonant with said magnetic resonator, and a current sensor, sensing an amount of current that flows through said magnetic resonator and creates a current sense signal indicative thereof and wherein said signal indicative of current is used by said transmit system to change said driving signal based on a characteristic of transmitting by said magnetic resonator.
305 Citations
35 Claims
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1. A wireless power transmitter for transmitting power to at least one high-Q resonator, comprising:
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a high-Q magnetic resonator; a transmit system that creates a driving signal at a frequency that is substantially resonant with said magnetic resonator; and a current sensor, sensing an amount of current that flows through said magnetic resonator and creates a current sense signal indicative thereof; wherein said signal indicative of current is used by said transmit system to change said driving signal based on a characteristic of transmitting by said magnetic resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A wireless power receiver for receiving power from at least one high-Q resonator, comprising:
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a high-Q magnetic resonator; a receive system that receives a signal at a frequency that is substantially resonant with said magnetic resonator; and
supplies electrical power from said signal; anda current sensor, sensing an amount of current that flows through said magnetic resonator and creating a current sense signal indicative thereof; wherein said signal indicative of current is used by said receive system to change a characteristic of receiving based on said signal from said current sensor. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method for receiving power wirelessly from at least one high-Q resonator, comprising:
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using a high-Q magnetic resonator which is tuned to have a magnetic resonance at a first frequency to receive a wireless magnetic signal; using electrical circuitry connected to said magnetic resonator to convert the received magnetic signal to electrical power; sensing an amount of current that flows through said magnetic resonator and creating a current sense signal indicative thereof; and adjusting said electrical circuitry, based on said current sense signal, to adjust an amount of received power. - View Dependent Claims (19, 20, 21, 22)
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23. A method for transmitting power wirelessly to at least one high-Q resonator, comprising:
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using electrical circuitry to convert electrical power to a drive signal at a first frequency; using a high-Q magnetic resonator which is tuned to have a magnetic resonance at said first frequency to generate a wireless magnetic signal based on said drive signal; sensing an amount of current that flows through said magnetic resonator and creating a current sense signal indicative thereof; and said electrical circuitry changing a way that it interfaces with said magnetic resonator based on said current sense signal to change an amount of transmitted power. - View Dependent Claims (24, 25, 26)
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27. A wireless power receiver for receiving power wirelessly from at least one high-Q resonator, comprising:
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a high-Q magnetic resonator; and a receive system that receives a signal at a frequency that is substantially resonant with said magnetic resonator, and supplies electrical power from said signal, said receive system including electrical circuitry that adjusts the supply of electrical power from the receiver. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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Specification