Method and device for detecting a device in a wireless power transmission system
A wireless power transmitter capable of detecting a receiver and a method for the same is described. According to some implementations, the transmitter is configured to detect the presence of the receiver by detecting a change in capacitance in the transmitter by detecting the change in a current fl...
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| creator | De Boer, Bart Michiel Waffenschmidt, Eberhard Treffers, Menno Anne Van Wageningen, Andries Yseboodt, Lennart Loef, Christoph |
| description | A wireless power transmitter capable of detecting a receiver and a method for the same is described. According to some implementations, the transmitter is configured to detect the presence of the receiver by detecting a change in capacitance in the transmitter by detecting the change in a current flowing through a capacitive circuit at the transmitter. According to some implementations, the capacitive circuit is formed by a first transmission coil corresponding to a first electrode and a second transmission coil corresponding to a second electrode. According to some implementations, the capacitive circuit is formed by a transmission coil as an electrode and a ground, or by the electrode and the receiver circuitry. |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY TRANSMISSION |
| title | Method and device for detecting a device in a wireless power transmission system |
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