Wireless charging device for portable terminal
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United States of America Patent
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-
Dec 13, 2022
Grant Date -
Nov 19, 2020
app pub date -
Nov 21, 2018
filing date -
Nov 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a portable terminal wireless charging device including: a terminal accessory fixed to a back surface of the portable terminal and embedded a transmitting coil for generating a magnetic field for wireless charging of a magnetic induction type; and a wireless charging module coupled to the terminal accessory and including a circuit unit for supplying a AC power to the transmitting coil. Since the terminal accessory and the wireless charging module are each provided with a first electric contact and a second electric contact, when the terminal accessory is coupled to the wireless charging module, the first and second electric contacts are contacted with each other to supply the AC power from the circuit unit to the transmitting coil.
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