Abstract: A method of controlling output levels of an MMC converter to reduce fluctuation in a power grid frequency, which adjusts an output level of the MMC converter in response to a change in a power grid frequency of a power grid system in the MMC converter connected to a grid system, is proposed. The method includes a detection step of detecting a power grid frequency of a grid connected to the MMC converter in real time, a comparison step of comparing the detected power grid frequency with a preset reference power grid frequency, and an adjustment step of adjusting a number of output levels of the MMC converter to reduce a difference between the detected power grid frequency and the reference power grid frequency when the detected power grid frequency and the reference power grid frequency are different from each other.

Abstract: Disclosed is the invention of a pump dispenser wherein a deformation prevention locking part induces a chaplet to move in the axial direction in a housing at the time of rotation of a head part, thereby allowing or restricting an operation of pressing a head part while preventing the deforming of an elastic member.

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity; a second semiconductor layer doped to have a second polarity that is different from the first polarity; an active layer placed between the first semiconductor layer and the second semiconductor layer; and an insulating layer surrounding at least the outer surface of the active material. The insulating layer includes an insulating film surrounding the active layer, and an element dispersion agent including a magnetic metal and bonded to an outer surface of the insulating film.

Abstract: A multilayered capacitor includes a shock absorbing layer disposed between an upper layer of a capacitor body and a conductive resin layer of an external electrode and between a lower layer of the capacitor body and the conductive resin layer of the external electrode. A length of the shock absorbing layer is longer than that of the conductive resin layer, thereby improving warpage strength characteristics of the capacitor body.

Abstract: An electronic device is provided. The electronic device includes a housing, a touchscreen display exposed through a first portion of the housing, a microphone disposed at a second portion of the housing, a speaker disposed at a third portion of the housing, a memory disposed inside the housing, a processor disposed inside the housing, and electrically connected to the display, the microphone, the speaker, and the memory. The memory is configured to store a plurality of application programs, each of which includes a graphic user interface (GUI).

Abstract: The present invention provides a surface protective film which includes an adhesive layer on one surface of a substrate film, wherein the adhesive layer is a cured product of a composition containing: a urethane-based resin having a photoreactive group at the end or side chain thereof; a monofunctional (meth)acrylate monomer; a crosslinking agent having two or more photoreactive groups at the end thereof; a peel strength adjusting agent; and a photoinitiator, the composition being solvent-free; and the adhesive layer has peel strength of 0.5 gf/in to 10 gf/in, as measured on glass at a peel angle of 180° and a peel rate of 1.8 m/min.

Abstract: An apparatus for estimating bio-information is provided. According to an example embodiment, the apparatus for estimating bio-information includes: a pulse wave sensor including channels, and configured to measure pulse wave signals from an object at the channels; a force sensor configured to measure a contact force applied by the object to the pulse wave sensor; and a processor configured to determine correlations between the pulse wave signals of the channels, and to estimate bio-information based on the measured pulse wave signals and the measured contact force based on the correlations satisfying a condition.

Abstract: A powertrain for a motorized vehicle includes a motor shaft connected to a motor, a first input shaft configured to be selectively connected to the motor shaft and provided with a first driving gear mounted on the first input shaft, a second input shaft configured to be selectively connected to the motor shaft and provided with a second driving gear mounted on the second input shaft, a planetary gear set connected to the first input shaft and mounted so as to allow power from the motor shaft to be supplied via a plurality of paths, a first driven gear mounted to a differential and configured to mesh with the first driving gear, and a second driven gear mounted to the differential and configured to mesh with the second driving gear.

Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB?1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.

Abstract: Provided are thermoplastic polymer particles having an aspect ratio of 1.00 or more and less than 1.05, and a roundness of 0.95 to 1.00. The thermoplastic polymer particles are formed from a thermoplastic polymer resin in a continuous matrix phase. The thermoplastic polymer particles show a peak cold crystallization temperature (Tcc) at a temperature between a glass transition temperature (Tg) and the melting point (Tm) in a differential scanning calorimetry (DSC) curve which is derived from temperature rise analysis at 10° C./min by differential scanning calorimetry.

Abstract: Provided is an apparatus configured to estimate bio-information, the apparatus including a pulse wave sensor including a plurality of channels disposed in an isotropic shape, a force sensor configured to measure a force applied by an object to the pulse wave sensor, and a processor configured to detect a center of gravity based on pressure, applied by the object, in a space formed by the plurality of channels based on pulse wave signals measured by each of the plurality of channels included in the pulse wave sensor, provide a user with guide information with respect to contact of the object to the pulse wave sensor based on the detected center of gravity, and estimate bio-information based on the pulse wave signals and the force which are measured based on the guide information.

Abstract: An apparatus for measuring a signal is provided. The apparatus for measuring a signal may include a sensor configured to generate pixel data representing a fingerprint image of an object by detecting light scattered or reflected from the object and a processor configured to acquire the fingerprint image of the object based on the pixel data and acquire a pulse wave signal based on the fingerprint image and the pixel data.

Abstract: A display includes a display portion formed of an array of unit pixels that each respectively include a light source pixel and a detector pixel. The display includes a control driver including a light source driver and a data driver which are respectively connected to each light source pixel, and a detector driver which is connected to each detector pixel. The display includes a controller configured to control the control driver to operate the display portion in a first mode, a second mode, and a third mode that are each different from each other.

Abstract: Provided are foldable electronic device and method for estimating bio-information by using the same. The foldable electronic device may include: a main body part including a first main body and a second main body that are configured to be folded toward each other or unfolded from each other along a fold line where the first main body and the second main body meet; an image sensor part including a first image sensor and a second image sensor which are disposed at the first main body; and a processor configured to obtain a contact image of an object from the first image sensor disposed at the first main body and obtain an image of a marker that is displayed on the second main body, from the second image sensor disposed at the first main body, when the object is in contact with the first image sensor and the main body part is folded along the fold line, and estimate bio-information based on the contact image of the object and the image of the marker.

Abstract: According to one aspect of the present disclosure, an electronic device may include: a communication interface configured to receive, from a touch pen, force information about a force of the touch pen exerted onto an object when the object is in contact with the touch pen; a pulse wave measurer configured to measure a pulse wave of the object when the object is brought into contact with the electronic device by the force of the touch pen; and a processor configured to estimate a blood pressure of the object based on the force information and the pulse wave.

Abstract: A powertrain for a hybrid vehicle includes: a complex planetary gear set including a first rotary element, a second rotary element, a third rotary element, and a fourth rotary element; an input shaft connected with an engine and installed to be able to be selectively connected to each of the first rotary element and the second rotary element of the complex planetary gear set; a motor generator connected to the first rotary element of the complex planetary gear set; a first brake installed to be able to fixedly connect the second rotary element of the complex planetary gear set to a transmission case; a second brake installed to be able to fixedly connect the third rotary element of the complex planetary gear set to the transmission case; and an output shaft connected to the fourth rotary element of the complex planetary gear set.

Abstract: A powertrain apparatus includes a motor connected to an input shaft, a first planetary gear train, which is disposed to be coaxial with the motor and which includes a first rotation element, a second rotation element, and a third rotation element, a second planetary gear train, which is disposed to be coaxial with the first planetary gear train and which includes a fourth rotation element, a fifth rotation element, a sixth rotation element, and a step pinion, and a differential gear, which is disposed to be coaxial with the second planetary gear train.

Abstract: A multilayer electronic component include a first non-conductive resin layer, extending between a conductive resin layer and an electrode layer of a first external electrode, and a second non-conductive resin layer extending between a conductive resin layer and an electrode layer of a second external electrode. The first non-conductive layer and the second non-conductive layer may be spaced apart from each other to suppress arc discharge and to improve bending strength.

Abstract: A powertrain apparatus for an electric vehicle may include a motor connected to an input shaft, a planetary gear train, which is disposed to be coaxial with the motor and which includes a first rotation element, a second rotation element and a third rotation element, at least one of which is configured to receive power from the input shaft, a differential gear disposed to be coaxial with the motor and the planetary gear train, a first gear set connected to one rotation element of the planetary gear train, and a second gear set configured to receive power from the first gear set and transmit the power to the differential gear.

Abstract: An antenna apparatus for drone identification and an operating method thereof are provided. The antenna apparatus includes: a plurality of horizontal directional antennas; a vertical directional antenna positioned at a center of an area surrounded by the plurality of horizontal directional antennas; a beamforming unit controlling beamforming of the vertical directional antenna and the plurality of horizontal antennas to transmit and receive signals in all directions; and a power supply unit for suppling power.