Abstract: Provided are a method and apparatus for providing a network switching service to a user equipment.

Abstract: Provided are a method and apparatus for a user equipment, a core network, and a second device to enable bidirectional communication for second devices. The method of the second device may include receiving internet protocol (IP) configuration information for automatically configuring an IP version 6 (IPv6) address of the second device from a core network through a user equipment; generating the IPv6 address using information in the IP configuration information; and transmitting the generated IPv6 address to the core network through the UE.

Abstract: Disclosed is a method of processing item sales information by an electronic apparatus including acquiring a purchase request including item information related to an item selected by a user and information related to a payment means, providing a purchase response including approval information corresponding to the purchase request before proceeding with payment through the payment means in response to the purchase request when the information related to the payment means satisfies a first condition, transmitting a release request for the item to a first server; and requesting payment for at least some of an amount corresponding to one or more purchase requests related to the payment means according to an arrival of settlement timing corresponding to the payment means.

Abstract: Provided is a filter module including a filter arranged on a flow path through which air passes, a first electrode arranged to face a first surface of the filter and a second electrode arranged to face a second surface of the filter opposite to the first surface, wherein a space is maintained in at least one of between the first surface and the first electrode or between the second surface and the second electrode through a spacer, so that the first electrode and the second electrode are prevented from being electrically connected to each other through foreign substances that are collected by the filter at a predetermined amount or more.

Abstract: Provided is a filter module including a filter arranged on a flow path through which air passes, a first electrode arranged to face a first surface of the filter and a second electrode arranged to face a second surface of the filter opposite to the first surface, wherein a space is maintained in at least one of between the first surface and the first electrode or between the second surface and the second electrode through a spacer, so that the first electrode and the second electrode are prevented from being electrically connected to each other through foreign substances that are collected by the filter at a predetermined amount or more.

Abstract: An air conditioner including: a housing having a discharge port and a plurality of holes; a door capable of closing the discharge port; a heat exchanger provided in the housing; a compressor connected to the heat exchanger so as to circulate a refrigerant so that same passes through the heat exchanger: a fan for blowing air so that the air passes through the heat exchanger and is discharged through the discharge port and at least one of the plurality of holes. The air conditioner includes a humidity sensor provided inside the housing so as to sense the humidity of the air having passed through the heat exchanger: and a control unit for controlling the door so as to open or close the discharge port and rotating the fan, on the basis of the humidity sensed by the humidity sensor when the compressor has been stopped.

Abstract: An electronic apparatus capable of controlling the air purification performance of a photocatalytic filter according to an air volume of a blowing fan and a concentration of a specific gas. An electronic apparatus having a deodorizing performance recovery function of a photocatalytic filter. The electronic apparatus includes a blowing fan, a filter apparatus configured to purify air introduced by the blowing fan and a controller configured to adjust a current applied to the filter apparatus, wherein the filter apparatus comprises a light emitting module to which a plurality of light emitting portions configured to output ultraviolet light is mounted, a photocatalytic filter provided to face the light emitting portion and a support frame configured to support the light emitting module and the photocatalytic filter to be apart from each other by a predetermined distance.

Abstract: In an air-conditioning system, a gaseous refrigerant remaining in a reservoir can be discharged from the reservoir even when a cooling operation has started and the reservoir is being filled with a liquid refrigerant. Therefore, the reservoir can be filled with the liquid refrigerant at a faster speed.

Abstract: An air conditioner according to the present invention has a structure driving a compressor and a pump, simultaneously, in a low-temperature cooling environment in which the outdoor temperature is lower than the indoor temperature.

Abstract: An indoor unit of an air conditioning system is provided. The indoor unit according to an exemplary embodiment includes a blower fan, a plurality of micro-holes configured to discharge cool air flowed in from the blower fan, a temperature sensor configured to measure a temperature, and a processor configured to control a speed of the blower fan, wherein the processor, in a first mode, controls the speed of the blower fan according to a temperature sensed by the temperature sensor, and in a second mode, corrects the sensed temperature by applying a temperature correction coefficient and controls the speed of the blower fan according to the corrected temperature, and wherein the temperature correction coefficient is a coefficient set for compensating a difference between the sensed temperature and a temperature of a target height.

Abstract: An electrostatic precipitator is provided. The electrostatic precipitator includes an electrode part including a high voltage electrode with voltage applied thereto and a ground electrode coiled in a circumferential direction along with the high voltage electrode while being spaced apart from the high voltage electrode, and a plurality of turning flow paths inclined with respect to an axial direction of the electrode part between the high voltage electrode and the ground electrode.

Abstract: A heat pump performs a simultaneous air-conditioning and heating operation through the addition of a flow path switching apparatus. The heat pump may include a plurality of outdoor units, a plurality of indoor units, and a plurality of flow path switching apparatuses that switch a flow path between an outdoor unit and an indoor unit. A refrigerant flow path may be formed from the outdoor unit to the indoor unit via a high-pressure gas pipe. The flow path switching apparatuses may switch a flow path so that a refrigerant flow path is formed from the indoor unit to the outdoor unit via a low-pressure gas pipe. The heat pump may further include an indoor unit mode controller that is connected to the plurality of outdoor units through a liquid pipe, and which is connected to each of the plurality of flow path switching apparatuses.

Abstract: An air conditioner according to the present invention has a structure driving a compressor and a pump, simultaneously, in a low-temperature cooling environment in which the outdoor temperature is lower than the indoor temperature, thereby enabling efficient and stable cooling.

Abstract: An air conditioner of the present invention includes: an outdoor unit having an outdoor heat exchanger and a compressor installed therein; a plurality of indoor units connected to the outdoor unit and having an indoor heat exchanger installed therein; a four-way valve provided on a discharge part side of the compressor; a refrigerant tube having first to third refrigerant tubes and connecting the four-way valve and the indoor heat exchanger, in which the first refrigerant tube is branched from between the four-way valve and the outdoor heat exchanger such that some of a refrigerant discharged from the compressor is fed into the indoor heat exchanger while bypassing the outdoor heat exchanger, the second refrigerant tube is connected to the four-way valve to feed all of the refrigerant discharged from the compressor into the indoor heat exchanger, and the third refrigerant tube is connected to the second refrigerant tube in parallel; and a heat pump valve provided at the third refrigerant tube to selectively c

Abstract: An indoor unit of an air conditioning system is provided. The indoor unit according to an exemplary embodiment includes a blower fan, a plurality of micro-holes configured to discharge cool air flowed in from the blower fan, a temperature sensor configured to measure a temperature, and a processor configured to control a speed of the blower fan, wherein the processor, in a first mode, controls the speed of the blower fan according to a temperature sensed by the temperature sensor, and in a second mode, corrects the sensed temperature by applying a temperature correction coefficient and controls the speed of the blower fan according to the corrected temperature, and wherein the temperature correction coefficient is a coefficient set for compensating a difference between the sensed temperature and a temperature of a target height.

Abstract: An electronic apparatus capable of controlling the air purification performance of a photocatalytic filter according to an air volume of a blowing fan and a concentration of a specific gas. An electronic apparatus having a deodorizing performance recovery function of a photocatalytic filter. The electronic apparatus includes a blowing fan, a filter apparatus configured to purify air introduced by the blowing fan and a controller configured to adjust a current applied to the filter apparatus, wherein the filter apparatus comprises a light emitting module to which a plurality of light emitting portions configured to output ultraviolet light is mounted, a photocatalytic filter provided to face the light emitting portion and a support frame configured to support the light emitting module and the photocatalytic filter to be apart from each other by a predetermined distance.

Abstract: An apparatus for detecting an oil level and a method for controlling the same, an apparatus for detecting oil flow and a method for controlling the same, and a method for controlling oil return using the detected oil level and the detected oil flow are disclosed. The level of oil stored in a compressor is measured at two or more positions. The frequency comparison scheme using two electrodes can correctly detect the level of oil stored in the compressor, a refrigerant state, and the level of mixed oils, and can determine an internal state of the compressor and a normal or abnormal state of the oil return system, such that the oil return control can be actively controlled. The flow of oil in the oil return pipe is detected so as to determine whether the oil is normally supplied in real time, such that a malfunction of the compressor is prevented and a valve state can be checked.

Abstract: An air conditioner, having an outdoor unit and an indoor unit, to perform a heating operation and a defrosting operation, the air conditioner including a detection unit to detect a state of at least one selected between the outdoor unit and the indoor unit and to output the detected value, a controller to determine whether the air conditioner is in a stable state when the defrosting operation is completed and, upon determining that the air conditioner is in the stable state, to control the detected value output from the detection unit to determine entry time of the next defrosting operation, and a storage unit to store a value detected in the stable state. The entry time of the defrosting operation is accurately determined, thereby minimizing the number of times of the defrosting operation during the heating operation.

Abstract: An electrostatic precipitator is provided. The electrostatic precipitator includes an electrode part including a high voltage electrode with voltage applied thereto and a ground electrode coiled in a circumferential direction along with the high voltage electrode while being spaced apart from the high voltage electrode, and a plurality of turning flow paths inclined with respect to an axial direction of the electrode part between the high voltage electrode and the ground electrode.

Abstract: The present disclosure provides an air conditioner. The air conditioner includes a compressor; a sensor for measuring the compressors state configured to detect compressor state information that includes at least one of a pressure value and a saturation temperature of the compressor; and a controller configured to control air flow on the side of an indoor unit by comparing the compressor state information measured from the sensor and a threshold.