Amosense Co., Ltd

Wonsan Na

Kyunghyun Ryu

Jihyung Lee

Kiljae Jang

Seunggon Park

Taejung Kim

Baegeun Lee

Bohyeon Han

Jinpyo Park

Cheolseung Han

Provided is a wireless ear module having a UWB antenna to easily obtain location information of a wireless ear module case and ear modules. The wireless ear module comprises: ear modules for receiving and playing a sound source signal from an electronic device; and a case comprising an upper housing and a lower housing which are rotatably coupled, and for storing the ear modules. The ear modules and/or the case transmit a location positioning signal, and the location positioning signal is a signal for sensing the distance and direction from the electronic device to the ear modules or the case.

Wireless earphones

The present invention relates to a power module comprising: an upper ceramic substrate (); a PCB substrate () disposed spaced apart from the upper ceramic substrate (); a plurality of semiconductor chips (G, G, G, G) spaced apart from each other, arranged in parallel, and mounted on the lower surface of the upper ceramic substrate (); and a plurality of capacitors () mounted on the top surface of the PCB substrate () to correspond to locations between the semiconductor chips (G, G, G, G). The present invention has the advantage of forming a short current path through which the semiconductor chips and the capacitors are connected, thereby increasing a circuit stabilization effect.

Power module

An electromagnetic-induction supply device may comprise: a current transformer installed on a power line and including one or more coils, a first core, and a second core; and a breaker unit connected to at least one of the one or more coils, wherein the breaker unit forms a closed circuit with the at least one of the one or more coils to switch the current transformer to a short-circuit mode in which the first core and the second core can be separated. Therefore, when the electromagnetic-induction power supply device is brought close to or installed on a live power line, the breaker unit prevents the formation of a magnetic field and thus the electromagnetic-induction power supply device can be easily attached/detached to/from the power line.

Electromagnetic-induction power supply device

Growing community of inventors

Cheonan-si, South Korea

Wonsan Na