Amotech Co., Ltd.

Yonggil Jo

Hyungil Baek

Jaeil Park

Kyunghyun Ryu

Chanwoo Lee

Semin Oh

A transmitting and receiving antenna system of an LPWAN repeater, according to the present invention, comprise: a first antenna and a second antenna that become a transmitting antenna according to a use's setting; a switch coupled to each of the first antenna and the second antenna; a third antenna for reception; an RF receiving end connected to the third antenna for reception; and a control unit for controlling the RF transmitting end and the RF receiving end through switching of the switch, wherein the first antenna is a dipole antenna having multiple directionalities, the second antenna is a directional patch antenna for transmitting signals in one orientational direction, and the third antenna includes an omni-directional antenna.

Transmitting and receiving antenna system of LPWAN repeater and control method thereof

A portable terminal cover fastened to a portable terminal not including a UWB module comprises: a first antenna driven by receiving wireless power through a wireless power transmission with a portable terminal; a second antenna, which is driven by the wireless power supplied from the first antenna so as to measure and receive the location and distance data for an object within a communication range; a third antenna, which is operated by the wireless power supplied from the first antenna so as to transmit the location and distance data, having been measured by the second antenna, to the portable terminal; and a control unit for controlling the first, second and third antennas.

Portable terminal cover for supporting UWB communication

A repeater system for LPWAN according to the present invention is characterized by comprising: a first antenna and a second antenna which may be antennas for transmission or reception according to a user's selection; a switch which is coupled to each of the first antenna and the second antenna; an RF transmission end and an RF reception end which are connected to the first antenna and the second antenna through the switch; and a control unit for controlling the switching of the switch and for controlling the RF transmission end and the RF reception end, wherein the first antenna is a multi-directional dipole antenna, and the second antenna includes a directional antenna for receiving and transmitting signals in a single direction.

Growing community of inventors

Goyang-si, South Korea

Yonggil Jo