Abstract: An electronic device is disclosed. The electronic device according to an embodiment include a communication module, an output device, a microphone, and a processor, wherein the processor acquires an audio signal from an external device using the communication module, outputs a signal corresponding to the audio signal and a signal of a specified frequency band through the output device, acquires the signal of the specified frequency band using the microphone, determines a proximity state of an external object to the electronic device based at least on a strength of the signal of the specified frequency band and controls at least some functions of the electronic device based on at least the determined proximity state. In addition, various embodiments understood from the specification are possible.

Abstract: A gas processing system according to an embodiment of the present invention includes a heater which is configured to increase a temperature of liquefied gas compulsorily vaporized by a forcing vaporizer before the liquefied gas is joined with Boil Off Gas (BOG) compressed by a BOG compressor.

Abstract: A multiband antenna-equipped electronic device is provided. An electronic device includes a housing, a memory, an antenna for multi-band communication, a communication unit processing a radio frequency (RF) signal using the antenna, a switching unit including a first switch connected with a first point of the antenna, a second switch connected between the first switch and a second point of the antenna, a third switch connected with a third point of the antenna, a fourth switch connected between the second point and the third switch, a fifth switch connected between a first node between the first switch and the second switch and a ground, and a sixth switch connected between a second node between the third switch and the fourth switch and the ground, and a processor electrically connected with the memory, the communication unit, and the switching unit.

Abstract: A gas processing system according to an embodiment of the present invention includes a heater which is configured to increase a temperature of liquefied gas compulsorily vaporized by a forcing vaporizer before the liquefied gas is joined with Boil Off Gas (BOG) compressed by a BOG compressor.

Abstract: A multiband antenna-equipped electronic device is provided. An electronic device includes a housing, a memory, an antenna for multi-band communication, a communication unit processing a radio frequency (RF) signal using the antenna, a switching unit including a first switch connected with a first point of the antenna, a second switch connected between the first switch and a second point of the antenna, a third switch connected with a third point of the antenna, a fourth switch connected between the second point and the third switch, a fifth switch connected between a first node between the first switch and the second switch and a ground, and a sixth switch connected between a second node between the third switch and the fourth switch and the ground, and a processor electrically connected with the memory, the communication unit, and the switching unit.