Wireless charging device

A wireless charging device includes: a power transmission coil for wirelessly transmitting power to an external terminal, and a re-radiation antenna for receiving an antenna signal and re-radiating same. The re-radiation antenna comprises an insulation plate, and a radiation pattern part which is fo...

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Bibliographische Detailangaben
Hauptverfasser:	Nemirich, Dmitry, Salimov, Roman, Hwang, Joosung
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A wireless charging device includes: a power transmission coil for wirelessly transmitting power to an external terminal, and a re-radiation antenna for receiving an antenna signal and re-radiating same. The re-radiation antenna comprises an insulation plate, and a radiation pattern part which is formed on one surface of the insulation plate, and which is arranged along the outer circumference of the insulation plate so that one end and the other end thereof are arranged to be adjacent to each other, and the radiation pattern part includes a first extension pattern in a quarter-ellipse shape, extending in the lateral direction of the insulation plate from a position adjacent to the one end of the radiation pattern part, and a second extension pattern in a quarter-ellipse shape, symmetrical to the first extension pattern, at a position adjacent to the other end of the radiation pattern.