Abstract: 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.

Abstract: The present invention relates to a wireless charging device. A wireless charging device according to an embodiment of the present invention comprises 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, wherein 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.

Abstract: The present invention relates to a wireless charging device including a communication signal compensator, a communication signal compensator comprises a power detector configured to detect a magnitude of a communication signal received through each of the plurality of antennas, and a control unit configured to acquire a communication signal having the greatest signal magnitude as the detection result, select an antenna corresponding to the communication signal having the greatest signal magnitude among the plurality of antennas, and transmit, to the coupling antenna, a switch control signal for controlling the switch to be connected to the selected antenna.

Abstract: A reradiation antenna comprises, an insulation plate; a loop-shaped radiation unit formed on one surface of the insulation plate, disposed along an outer circumference of the insulation plate, and having one end and the other end disposed to be adjacent to each other; a ground connected to the end of the radiation unit; and a power supply unit connected to the other end of the radiation unit so as to supply power, and can receive a wireless signal and transmit the wireless signal to a terminal without degrading the performance of a wireless charging device.

Abstract: A communication apparatus according to an embodiment of the present invention is configured to determine a frequency band of a communication signal by analyzing a power level of the communication signal detected by a detection unit, and control a band setting unit to set the communication frequency band as the determined frequency band of the communication signal, and determine an output band of the communication signal by analyzing the communication frequency band and a waveform of the communication signal, and control a output setting unit to set a communication output band as the determined output band of the communication signal.

Abstract: A communication apparatus according to an embodiment of the present invention is configured to determine a frequency band of a communication signal by analyzing a power level of the communication signal detected by a detection unit, and control a band setting unit to set the communication frequency band as the determined frequency band of the communication signal, and determine an output band of the communication signal by analyzing the communication frequency band and a waveform of the communication signal, and control a output setting unit to set a communication output band as the determined output band of the communication signal.

Abstract: The present invention relates to a wireless charging device including a communication signal compensator, a communication signal compensator comprises a power detector configured to detect a magnitude of a communication signal received through each of the plurality of antennas, and a control unit configured to acquire a communication signal having the greatest signal magnitude as the detection result, select an antenna corresponding to the communication signal having the greatest signal magnitude among the plurality of antennas, and transmit, to the coupling antenna, a switch control signal for controlling the switch to be connected to the selected antenna.

Abstract: A reradiation antenna including an insulation panel; a ground contact formed on one side of the insulation panel; a slot formed by eliminating a part of the ground contact by exposing the insulation panel; a power feeding unit formed on the insulation panel between the slot and separated from the ground contact and connected with a power source using a first end of the power feeding unit; and a radiation unit formed on one side of the insulation panel, and connected with a second end of the power feeding unit positioned at an opened end of the slot.

Abstract: A reradiation antenna comprises, an insulation plate; a loop-shaped radiation unit formed on one surface of the insulation plate, disposed along an outer circumference of the insulation plate, and having one end and the other end disposed to be adjacent to each other; a ground connected to the end of the radiation unit; and a power supply unit connected to the other end of the radiation unit so as to supply power, and can receive a wireless signal and transmit the wireless signal to a terminal without degrading the performance of a wireless charging device.

Abstract: A reradiation antenna including an insulation panel; a ground contact formed on one side of the insulation panel; a slot formed by eliminating a part of the ground contact by exposing the insulation panel; a power feeding unit formed on the insulation panel between the slot and separated from the ground contact and connected with a power source using a first end of the power feeding unit; and a radiation unit formed on one side of the insulation panel, and connected with a second end of the power feeding unit positioned at an opened end of the slot.