Managing contactless communication and contactless charging from a contactless device, and corresponding contactless device
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United States of America Patent
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Apr 2, 2024
Grant Date -
Jul 21, 2022
app pub date -
Jan 10, 2022
filing date -
Jan 15, 2021
priority date (Note) -
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Abstract
A contactless device includes an impedance matching and filter circuit connected to an antenna and being on the one hand operable for contactlessly communicating with a second device via the antenna, and on the other hand operable for contactlessly charging a rechargeable power supply of a third device via the antenna. A method of control includes modifying the impedance matching and filter circuit of the contactless device depending on whether the contactless device carries out the contactless communication or carries out the contactless charging.
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