High power wireless charging
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 26, 2024
Grant Date -
Oct 3, 2024
app pub date -
Nov 4, 2022
filing date -
Nov 4, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A system including a power device and a portable device for wireless charging of a battery of the portable device, which power device includes a first transmitter stage and a second transmitter stage. The first transmitter stage includes an antenna configured to receive power adjustment information from a first receiver stage of the portable device to increase or to decrease the power transmitted by a first magnetic field emitted with the antenna of the first transmitter stage. The first receiver stage includes an antenna exposed to the first magnetic field and connected via a matching stage to a rectifier stage to rectify an antenna signal and to provide an input voltage at an input pin of a charge stage that provides a first charge current at a first output pin connected to the battery to charge the battery in charging cycles.
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