System and method for adaptive charging compliance control
First Claim
1. An apparatus for transmitting charging power wirelessly to a receiver via a wireless charging field generating field emissions, the receiver having a receiver antenna and operationally connected to a load of a vehicle, the apparatus comprising:
- a power transmitter having a transmitter antenna;
a sensor circuit configured to determine one or more charging conditions associated with the receiver;
a controller operationally coupled to the sensor circuit and configured to;
obtain a first indicator of one or more characteristics of the vehicle;
determine a second indicator of the one or more charging conditions; and
determine a power level for driving the transmitter antenna at a level sufficient to maintain the field emissions from the wireless charging field below an emission threshold level, the power level determined based on the first and second indicators; and
a driver circuit configured to drive the power transmitter to wirelessly charge the receiver according to the power level.
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Accused Products
Abstract
Apparatus, system, and method for adaptive charging compliance control are disclosed. A charging station wirelessly charges a vehicle in compliance with emissions regulations. A controller in the charging station obtains information regarding the characteristics of an incoming vehicle and accesses a maximum regulation-compliant power level database based on the vehicle information obtained and determines conditions of the vehicle parked at the charging station. The controller determines and delivers the maximum power level to wirelessly charge the vehicle while maintaining the level of field emissions no greater than the regulatory limit.
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Citations
22 Claims
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1. An apparatus for transmitting charging power wirelessly to a receiver via a wireless charging field generating field emissions, the receiver having a receiver antenna and operationally connected to a load of a vehicle, the apparatus comprising:
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a power transmitter having a transmitter antenna; a sensor circuit configured to determine one or more charging conditions associated with the receiver; a controller operationally coupled to the sensor circuit and configured to; obtain a first indicator of one or more characteristics of the vehicle; determine a second indicator of the one or more charging conditions; and determine a power level for driving the transmitter antenna at a level sufficient to maintain the field emissions from the wireless charging field below an emission threshold level, the power level determined based on the first and second indicators; and a driver circuit configured to drive the power transmitter to wirelessly charge the receiver according to the power level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus for transmitting charging power wirelessly to a receiver via a wireless charging field generating field emissions, the receiver having a receiver antenna and operationally connected to a load of a vehicle, the apparatus comprising:
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a power transmitter having a transmitter antenna; a sensor circuit configured to determine one or more charging conditions associated with the receiver; and a controller operationally coupled to the sensor circuit and configured to; obtain a first indicator of one or more characteristics of the vehicle; determine a second indicator of the one or more charging conditions; and determine a power level for driving the transmitter antenna at a level sufficient to maintain the field emissions from the wireless charging field below an emission threshold level, the power level determined based on the first and second indicators, wherein the one or more characteristics of the vehicle comprise one or more of type of the vehicle, size of the vehicle, type of the receiver, and type of a battery coupled to the vehicle. - View Dependent Claims (10, 11, 12, 13)
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14. A method for transmitting charging power wirelessly to a receiver via a wireless charging field generating field emissions, the receiver having a receiver antenna and operationally connected to a load of a vehicle, the method comprising:
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determining one or more charging conditions associated with the receiver; obtaining a first indicator of one or more characteristics of the vehicle; determining a second indicator of the one or more charging conditions; determining a power level for driving the transmitter antenna at a level sufficient to maintain the field emissions from the wireless charging field below an emission threshold level, the power level determined based on the first and second indicators; and driving a power transmitter, having the transmitter antenna, to wirelessly charge the receiver according to the power level. - View Dependent Claims (15, 16, 17, 18, 19)
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20. An apparatus for transmitting charging power wirelessly to a receiver via a wireless charging field generating field emissions, the receiver having a receiver antenna and operationally connected to a load of a vehicle, the apparatus comprising:
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first means for determining one or more charging conditions associated with the receiver; means for obtaining a first indicator of one or more characteristics of the vehicle; second means for determining a second indicator of the one or more charging conditions; third means for determining a power level for driving a transmitter antenna at a level sufficient to maintain the field emissions from the wireless charging field below an emission threshold level, the power level determined based on the first and second indicators; and means for driving the transmitter antenna according to the power level. - View Dependent Claims (21, 22)
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Specification