Abstract: Provided is an air conditioner. The air conditioner includes a water tank to store water, a visual body disposed over the water tank and formed of a transparent material, a watering housing to draw water stored in the water tank and to spray the drawn water to the visual body, a water level sensor to measure a water level of the water tank in a multi-stage, a top cover assembly disposed over the visual body and having a water supply hole to supply water to the water tank, and a water level display unit disposed beside the water supply hole of the top cover assembly to display a water level measured by the water level sensor in a multi-stage.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes an intake flow passage suctioning external air, a discharge flow passage discharging internal air, a blower unit flowing air flowing to the intake flow passage to the discharge flow passage, a discharge humidification medium disposed on the discharge flow passage to additionally humidify flowing air, a water tank humidification medium disposed between the blower unit and the discharge humidification medium to humidify flowing air, and a watering unit spraying water between the water tank humidification medium and the discharge humidification medium.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes a base body including an upper body and a lower body coupled to a lower part of the upper body, a water tank disposed at an upper part of the upper body, storing water, and including a water housing spraying water to the inside, a watering motor installed at the upper body and providing a torque to the watering housing; and a blower motor installed at the lower body. Here, the lower body, the upper body, and the water tank are stacked sequentially. The blower motor, and the watering motor are disposed vertically inside the base body. The watering motor, and the blower motor are spaced a predetermined interval away from each other and disposed on the same axis.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes a water tank storing water, a visual body forming at least a portion of the water tank and formed of a transparent material, a water tank inlet formed at the water tank and communicating the inner and outer sides of the water tank, a water tank humidification medium covering the water tank inlet, formed of a water absorbing material, and providing humidification on air passing through the water tank inlet, a watering housing disposed inside the water tank, drawing water of the water tank into the inside, pumping the drawn water upwardly when rotating, and spraying the pumped water, a watering motor providing a torque to the watering housing, a lower nozzle disposed at the watering housing and spraying the pumped water to the water tank humidification medium, and a upper nozzle disposed at the watering housing and spraying the pumped water to the visual body.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes an air cleaner suctioning external air and generating filtered air by filtering suctioned external air; and an air washer separably placed on the air cleaner, supplied with filtered air from the air cleaner, and humidifying filtered air.

Abstract: An air freshener is disclosed. The air freshener includes a body case defining the air freshener, the body case having a filter installation opening formed in one side thereof, a filter housing disposed in the body case, the filter housing having a power terminal disposed therein, a drawer configured to be withdrawn from the inner space of the filter housing through the filter installation opening, and an electric dust collector separably located in the drawer, the electric dust collector having a power-receiving terminal disposed therein, wherein the power terminal contacts the power-receiving terminal in the state in which the drawer is settled in the inner space of the filter housing.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes: a water tank storing water; a watering housing disposed in the water tank and suctioning water stored in the water tank to spray suctioned water to the outside; a watering motor providing a torque to the watering housing; a watering groove protruding inside the watering housing, suctioning water of the water tank into the watering housing when rotating, and pumping the suctioned water to an upper side of the watering housing; a nozzle disposed in the watering housing and spraying the upwardly pumped water to the outside of the watering housing; and a water curtain preventing rib disposed inside the watering housing, disposed over the watering groove, and mutually interfering with the pumped water.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes: a base body including an intake flow passage formed at a lower side thereof, including a clean connection flow passage formed at an upper side thereof, and discharging air entered through the intake flow passage into the clean connection flow passage; a water tank storing water, disposed at an upper side of the base body, and separable from the base body; and a humidification connection flow passage formed outside the water tank and guiding external air of the water tank to the inside of the water tank. Here, when the water tank is placed on the base body, the humidification connection flow passage and the clean connection flow passage communicate with each other.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes: a water tank storing water; a watering housing disposed in the water tank and suctioning water stored in the water tank to spray suctioned water to the outside; a watering motor providing a torque to the watering housing; a pump groove protruding inside the watering housing, suctioning water of the water tank into the watering housing when rotating, and pumping the suctioned water to an upper side of the watering housing; and a nozzle disposed in the watering housing and spraying the upwardly pumped water to the outside of the watering housing.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes: a water tank storing water; a visual body forming at least a portion of the water tank and formed of a transparent material; a top cover assembly disposed over the water tank and including a water supply flow passage disposed therein to supply water into the water tank; a watering housing disposed inside the water tank and rotating inside the water tank; and a watering motor rotating the watering housing. Here, when the watering housing rotates, water supplied to the water supply flow passage drops on the watering housing to be scattered.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes a water tank storing water; a top cover assembly disposed over the water tank and including a water supply flow passage disposed therein to supply water into the water tank; a reservoir disposed in the top cover assembly, disposed on the water supply flow passage, and storing supplied water; and a watering housing disposed inside the water tank and receiving a torque from a watering motor so as to be rotatable. Here, water supplied through the water supply flow passage is stored in the reservoir, and then drops on an upper part of the watering housing.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes an air clean module receiving external air and performing filtration on the entered external air to generate filtered air, an air wash module disposed at an upper part of the air clean module, receiving filtered air from the air clean module, and performing humidification on the filtered air, a dust sensor disposed on at least one of the air clean module or the air wash module and detecting a dust concentration of external air, and a lighting module disposed on at least one of the air clean module or the air wash module and emitting light as a color classified according to a dust concentration detected from the dust sensor.

Abstract: Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes a water tank storing water; a visual body forming at least a portion of the water tank and formed of a transparent material; a watering housing disposed in the water tank, drawing water stored in the water tank to pump water to an upper side, and spraying the pumped water; a nozzle disposed in the watering housing and spraying the pumped water; and a watering motor rotating the watering housing. Here, when the watering housing rotates, water sprayed from the nozzle forms at least one spray line on an inner side surface of the visual body.

Abstract: An apparatus for implementing an adaptive sectorization in a DAS (Distributed Antenna System) is provided. In some embodiment of the present disclosure, a DAS that supports an adaptive sectorization has the flexibility of supporting multiple sectors simply with an extension of STM (Sectorization Module) without being affected by the hardware structure. Where no sector splitting is needed, the STM is replaced by a COM (Head-end Combining Module) to provide a simple structure for supporting the sectors.

Abstract: An air cleaner is provided. The air cleaner may include a filter assembly having a plurality of stacked filters, a first case including a filter mount sleeve having the filter assembly mounted thereon, a second case coupled to a first surface of the first case and having a discharge grille disposed on a first side thereof, a support leg disposed on a second side of the second case corresponding to an opposite side of the discharge grille, a third case coupled to a first surface of the second case, and a first panel attached to a first surface of the third case. When the filter assembly, the first case, the second case, the third case, and the first panel are coupled to each other, the air cleaner may have a cylindrical exterior. The discharge grille may extend by a predetermined distance along an upper circumferential surface of the second case.

Abstract: An electronic device and a method for controlling transmission control protocol are provided. The electronic device includes a communication circuit, a processor electrically connected to the communication circuit, and a memory electrically connected to the processor. The processor is configured to control for setting a receive window size reference value based on a measured packet round trip time (RTT), identifying a physical layer parameter related to a wireless channel of another electronic device that is different from the electronic device, determining the receive window size based on the physical layer parameter and the reference value, and transmitting the determined receive window size to the other electronic device during transmission of a response message in accordance with data reception.

Abstract: A method is provided for generating precoder data, comprising: obtaining transmit power data indicative of a transmit power of a plurality of multiple-input/multiple-output signals; obtaining signal quality data, the signal quality data including at least one measure of a quality of the plurality of multiple-input/multiple-output signals; obtaining channel data with respect to a wireless channel, the channel data including a measure of respective channel parameters of each of a plurality of channel paths in the wireless channel; constraining one or more system performance parameters; and determining first and second precoder diagonal values (wA and wB) based on the signal quality data, the transmit power data, the channel data, and the one or more constrained system performance parameters.

Abstract: A solar cell module is disclosed. The solar cell module includes a plurality of solar cells receiving light from the outside and producing electricity, a conductive line connected to an adjacent pair of the plurality of solar cells and electrically connecting the adjacent pair of the plurality of solar cells to one another, a front transparent substrate disposed on front surfaces of the plurality of solar cells and on the conductive line and transmitting light, and a back sheet disposed on back surfaces of the plurality of solar cells and on the conductive line. The back sheet has the same based color as a color of the conductive line when viewed from a front of the solar cell module.

Abstract: Some embodiments of the present disclosure relate to an analog distributed antenna system, and its operating method, provided with an orthogonal frequency division multiplexing (OFDM) high-speed modem for use in transceiving control signals between a main unit and remote units in order to effectively control the remote units connected to the main unit.

Abstract: A technique for radio link detection in a wireless communication system includes estimating a first error rate of an indicator channel. In this case, the indicator channel includes an indication of a number of symbols in a control channel. A second error rate of the control channel is also estimated. The first and second error rates are then combined to provide a performance metric. Based on the performance metric, a determination is made as to whether a radio link problem exists.