Abstract: An apparatus for locking a portable computer includes an apparatus body, a first clamping member rotatably coupled to the apparatus body, configured to support a first side of a computer body of the portable computer, and configured to be fitted over a first edge of a display of the portable computer, a slider coupled to the apparatus body to be reciprocally movable, a second clamping member rotatably coupled to the slider while being spaced apart from the first clamping member, configured to support a second side of the computer body of the portable computer, and configured to be fitted over a second edge of the display of the portable computer, and a locking and unlocking unit installed on the apparatus body and configured to selectively restrict or allow movement of the slider.

Abstract: Provided is a negative electrode active material for a lithium secondary battery which includes: a silicon-silicon oxide-magnesium silicate composite comprising a silicon oxide (SiOx, 0<x?2) matrix; and silicon (Si) crystal grains, MgSiO3 crystal grains and Mg2SiO4 crystal grains present in the silicon oxide matrix, wherein the MgSiO3 crystal grains have a crystal size of 5-30 nm and the Mg2SiO4 crystal grains have a crystal size of 20-100 nm in the silicon-silicon oxide-magnesium silicate composite, and the content ratio of MgSiO3 crystal grains to Mg2SiO4 crystal grains is 2:1-1:1 on the weight basis. A method for preparing the negative electrode active material for a lithium secondary battery is also provided.

Abstract: The present invention relates to an air cleaner, including a body forming an exterior; a suction portion formed on the body to suck air; a discharge portion formed on the body and discharging the air sucked through the suction portion; and a fan module provided in the body to form a flow of air flowing from the suction portion to the discharge portion, wherein the fan module includes: a driving portion forming a rotation shaft and generating power; a fan receiving the power from the driving portion and rotating about the rotation shaft; and a shroud accommodating the fan and provided between the suction portion and the discharge portion to guide the air sucked through the suction portion to the discharge portion, and the shroud includes a guide portion guiding foreign substances introduced through the discharge portion in a direction opposite to the flow of air.

Abstract: Provided is a dual structure humidifier, and more particularly, a dual structure floating-type humidifier with a noise reduction function. The dual structure humidifier includes a water tank in which a fluid is contained, a floating body which floats in the fluid in the water tank and performs a humidification operation using an ultrasonic module provided therein, a blowing fan which introduces external air into the water tank and the floating body or discharges the air in the floating body to the outside, and a water tank case which is provided to form a predetermined separation distance from the water tank and surround an outer circumference of the water tank and has air intake ports formed at one side to communicate with the blowing fan and reduce noise generated inside the water tank.

Abstract: A waterproof fan according to an embodiment of the present invention includes: a blade module configured to be operated by a motor; and a frame having an accommodation hole that accommodates the blade module, the frame being formed to surround the accommodation hole, and the frame includes an opening that opens a part of the accommodation hole.

Abstract: Various embodiments of the present invention disclosed herein relate to an air cleaner, and may suck outside air and purify and sterilize the outside air, and may perform sterilization of a filter. An embodiment of the invention disclosed herein discloses an air cleaner including a body forming an appearance; a suction unit formed on the body and introduced with outside air; a discharge unit formed on the body and discharging the air introduced through the suction unit; a fan module provided inside the body and forming a flow of air introduced into the suction unit and discharged to the discharge unit; a filter unit provided inside the body to filter the air introduced into the suction unit; and a light source unit provided inside the body and irradiating light toward an inner side surface of the filter unit.

Abstract: According to an exemplary embodiment of the present invention, a floating-type humidifier includes a lower body which has a buoyancy space formed along an inner edge to float in water and has a water inlet formed so that water flows into a lower center; an upper body formed with a hollow tube communicable with the water inlet; and supporter formed in an elastically deformable closed curve, in which the supporter is in contact with an upper end of the lower body and a lower end of the upper body to couple the lower body and the upper body to each other.

Abstract: A floating ultrasonic humidifier capable of generating ultraviolet rays according to an embodiment of the present invention includes: a floating body configured to float in a water tub that accommodates water; an ultrasonic humidification generating module disposed in the floating body and configured to generate humidification particles by means of ultrasonic vibration; and an ultraviolet ray generating module provided in the floating body or the ultrasonic humidification generating module and configured to emit light within an ultraviolet region to a space in the water tub.

Abstract: A floating type humidifier with an increased humidification amount according to an exemplary embodiment of the present invention includes: a floating body which floats on water accommodated in a water tub and has a hollow portion vertically and penetratively formed at a central portion of the floating body; an ultrasonic generator which is installed in the hollow portion and configured to atomize water, which is introduced at a lower portion, to create humidification particles by using ultrasonic vibration; a humidification particle guide unit which is installed on an upper portion of the floating body and guides the humidification particles so that the humidification particles move upward along a guide hole in the humidification particle guide unit; and an air pressurizing portion which is provided in the humidification particle guide unit and pressurizes air so that the humidification particles are moved upward by the pressurized air.

Abstract: The present invention relates to an air cleaner, including a body forming an exterior; a suction portion formed on the body to suck air; a discharge portion formed on the body and discharging the air sucked through the suction portion; and a fan module provided in the body to form a flow of air flowing from the suction portion to the discharge portion, wherein the fan module includes: a driving portion forming a rotation shaft and generating power; a fan receiving the power from the driving portion and rotating about the rotation shaft; and a shroud accommodating the fan and provided between the suction portion and the discharge portion to guide the air sucked through the suction portion to the discharge portion, and the shroud includes a guide portion guiding foreign substances introduced through the discharge portion in a direction opposite to the flow of air.

Abstract: An air circulator having a dual rotary vane according to an exemplary embodiment of the present invention includes: a casing assembly having a suction port through which air is introduced, and a discharge port through which the air is discharged; an intake fan assembly including an intake motor fixedly coupled in the casing assembly, and an intake fan configured to be rotatably driven by the intake motor; and an exhaust fan assembly including an exhaust motor fixedly coupled in the casing assembly, and an exhaust fan configured to be rotatably driven by the exhaust motor, in which a rotational speed of the exhaust fan is higher than a rotational speed of the intake fan.

Abstract: A sensor-integrated communication module that is insertedly coupled to one side of a home appliance may include a communication unit for transmitting/receiving a signal to/from an external device by using wireless communication, a sensor unit for collecting ambient information, and a control unit for controlling an operation of the home appliance in consideration of the ambient information.