Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.

Abstract: An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.

Abstract: An air conditioner including a body having an evaporator for heat-exchanging air flowing in the body, and an air purifying module coupled to the body. The air purifying module may have a light emitting diode part disposed along a flow path of the air to provide ultraviolet rays, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.

Abstract: An air conditioner including a body having an evaporator for heat-exchanging air flowing in the body, and an air purifying module coupled to the body. The air purifying module may have a light emitting diode part disposed along a flow path of the air to provide ultraviolet rays, and a filter part disposed adjacent to the light emitting diode part.

Abstract: An air purifying apparatus according to an embodiment includes a body having first and second conduits through which a flow of air is generated from an air inlet to an air outlet, an ultraviolet light emitting diode part and a first filter part disposed within the first conduit, and a second filter part disposed within the second conduit.

Abstract: An air conditioner including a body having an evaporator for heat-exchanging air flowing in the body, and an air purifying module coupled to the body. The air purifying module may have a light emitting diode part disposed along a flow path of the air to provide ultraviolet rays, and a filter part disposed adjacent to the light emitting diode part.

Abstract: An air purifying apparatus according to an embodiment includes a body having first and second conduits through which a flow of air is generated from an air inlet to an air outlet, an ultraviolet light emitting diode part and a first filter part disposed within the first conduit, and a second filter part disposed within the second conduit.

Abstract: An air purifying apparatus according to an embodiment includes a body having first and second conduits through which a flow of air is generated from an air inlet to an air outlet, an ultraviolet light emitting diode part and a first filter part disposed within the first conduit, and a second filter part disposed within the second conduit.

Abstract: An air conditioner including a body having an evaporator for heat-exchanging air flowing in the body, and an air purifying module coupled to the body. The air purifying module may have a light emitting diode part disposed along a flow path of the air to provide ultraviolet rays, and a filter part disposed adjacent to the light emitting diode part.

Abstract: A water purifier that includes a housing having an inlet and an outlet opposing each other, a filter disposed in the housing and connected to the inlet to reduce the flow rate of water introduced into the filter from the inlet, a separator disposed in the housing to store water discharged from the filter, a supply conduit disposed in the housing and connected to a central portion of the separator to provide a path through which the water in the separator is drained, and an ultraviolet light emitting diode (UV LED) module disposed in the housing to irradiate UV rays toward the water stored in the separator.

Abstract: A storage apparatus according to an embodiment may include a body having a storage space of storage products and an air purifying module coupled to the body. The air purifying module may include a light emitting diode part disposed along a passage of air to provide ultraviolet light, and a filter part disposed adjacent to the light emitting diode part.