Abstract: The present invention provides a method for design acoustic wave RF filter robust against variations of frequency response in passband by resonance frequency modulation of IDT enabling to improve the skirt characteristics in the passband of the filter by resonance frequency modulation with respect to the IDT electrodes of the resonators constituting the acoustic wave filter and determining the design parameters for the IDT electrodes based on the resonance frequency modulation so as to compensate for variations in frequency response due to effects of temperature variations as well as other factors.

Abstract: An embodiment of the present invention provides a tab tension measuring device of a cell including a tab and a lead connected to the tab, including: a pair of jigs fixing the tab; a pair of bending dies bending the lead; and a tension meter connected to the cell to measure the tension applied to the tab when the lead is bent.

Abstract: The invention relates to the use of carboxylic acid during the preparation of precipitated silica or a suspension of precipitated silica and to the precipitated silicas thus obtained, particularly with low water uptake, which can be used, for example, as a reinforcing filler in silicon matrices.

Abstract: An operation method includes measuring figure of merit (FoM) values for a first group of presets having different preset types, based on equalized signals output from a transmission equalizer included in an external device adjusted based on the first group, identifying a preset type of a first preset corresponding to first FoM value which is a greatest value from among the FoM values for the first group, measuring FoM values for a second group of presets having the identified preset type, based on equalized signals output from the transmission equalizer adjusted based on the second group, determining a second preset corresponding to second FoM value which is a greatest value from among the first FoM value and the FoM values for the second group, and transmitting an equalizing setup request that controls the transmission equalizer to the external device, based on the determined second preset.

Abstract: A lens module is provided. The lens module includes a first lens, a second lens, and a third lens sequentially disposed from an object side to an imaging side, a first spacing member disposed between the first lens and the second lens and having a first passage extending in a direction that intersects an optical axis, a second spacing member disposed between the second lens and the third lens and having a second passage extending in a direction that intersects the optical axis, and a lens barrel configured to accommodate the first lens, the second lens, the third lens, the first spacing member and the second spacing member, and configured to have a first connection passage disposed on an inner side surface and connected to the first passage and the second passage.

Abstract: A binder solution for an all-solid-state battery, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same, and more particularly to a binder solution for an all-solid-state battery, in which a polymer binder configured such that a non-polar functional group is bonded to the end of a polar functional group is used, whereby the polar functional group is provided by a deprotection mechanism of the polymer binder through a thermal treatment, thus increasing adhesion between electrode materials to thereby improve battery capacity and enabling a wet process to thereby reduce manufacturing costs, an electrode slurry for an all-solid-state battery including the same and a method of manufacturing an all-solid-state battery using the same.

Abstract: An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens and the seventh lens are formed of plastic, and the first lens, the second lens, the fourth lens, the fifth lens, and the sixth lens are formed of glass.

Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.

Abstract: Disclosed is an apparatus and method for controlling step charging of a secondary battery. A charging control unit determines a SOC, an OCV and a polarization voltage of the secondary battery, determines an OCV deviation corresponding to a difference between the OCV and a predefined minimum OCV value, determines a correction factor corresponding to the polarization voltage and the OCV deviation, determines a look-up SOC by correcting the SOC according to the correction factor, determines the magnitude of a charging current corresponding to the look-up SOC, and provides the determined charging current to a charging device.

Abstract: A pouch-type battery case according to an embodiment of the invention may accommodate an electrode assembly, in which electrodes and separators are alternately stacked. The pouch-type battery case may include: a pair of recess parts, each of which has a recessed shape; a pair of terraces that are disposed around the pair of recess parts and are inclined downward in a direction closer to each other in a state; in which the battery case is unfolded; and a bridge disposed between the pair of recess parts, configured to connect the pair of recess parts to each other, having a pair of connection surfaces formed to be inclined upward from a bottom surface of each of the pair of recess parts in a direction closer to each other. In the state in which the battery case is unfolded, an angle formed by the pair of terraces may be an obtuse angle.

Abstract: The present disclosure relates to an offset elimination operation of an internal operational amplifier of a data driving circuit and relates to a technique that applies different offset elimination methods for each position of an operational amplifier.

Abstract: A camera actuator comprises: a housing; a driving unit which is loaded in the housing, and which includes a vibration generator generating vibration from an input power source and a shaft vibrating in a first direction by means of the vibration generated by the vibration generator; an optical unit, which implements zoom and auto focusing while being driven in the first direction in the housing by means of the vibration of the shaft; and a frictional movement unit for connecting the shaft and the optical unit to transfer the first directional vibration of the shaft to the optical unit.

Abstract: An imaging lens system includes a first lens having negative refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having a concave object-side surface, a sixth lens having a convex object-side surface, a seventh lens having refractive power, and an eighth lens having refractive power, wherein the first to eighth lenses are sequentially disposed at intervals from the object-side surface, wherein the imaging lens system satisfies the following conditional expression: 0.170<ImgHT/TTL<0.182 where ImgHT is a height of an imaging plane and TTL is a distance from an object-side surface of the first lens to the imaging plane.

Abstract: An image capturing lens system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially arranged from an object side toward an image side. One or more of the lenses is an aspherical lens made of a glass material, and the sixth lens has positive refractive power.

Abstract: Disclosed is a switch circuit for an ultra-high frequency band, which includes a transistor including a first terminal connected to an input stage, a second terminal connected to an output stage, and a gate terminal, an inductor connected to the transistor in parallel, between the input stage and the output stage, a variable gate driver to apply a gate input voltage to the gate terminal and, an input resistor connected between the variable gate driver and the gate terminal. The variable gate driver adjusts the gate input voltage to be in one of a first voltage level for turning on the transistor and a second voltage level for turning off the transistor. The second voltage level varies depending on a capacitance between the first terminal and the second terminal, when the transistor is in a turn-off state.

Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

Abstract: A semiconductor device including a first interlayer insulating film; a conductive pattern in the first interlayer insulating film; a resistance pattern on the conductive pattern; an upper etching stopper film spaced apart from the resistance pattern, extending in parallel with a top surface of the resistance pattern, and including a first metal; a lower etching stopper film on the conductive pattern, extending in parallel with a top surface of the first interlayer insulating film, and including a second metal; and a second interlayer insulating film on the upper etching stopper film and the lower etching stopper film, wherein a distance from a top surface of the second interlayer insulating film to a top surface of the upper etching stopper film is smaller than a distance from the top surface of the second interlayer insulating film to a top surface of the lower etching stopper film.

Abstract: The present disclosure relates to a novel PLK1 degradation inducing compound having a structure according to Formula I, a method for preparing the same, and the use thereof. The compounds of the present disclosure exhibit an effect of inducing PLK1 degradation. Therefore, the compounds of the present disclosure may be effectively utilized for preventing or treating PLK1-related diseases.

Abstract: An apparatus for estimating a camera pose according to an embodiment of the present disclosure includes a similar image searcher, a clusterer, and an estimator. The similar image searcher searches for a plurality of images similar to an input image, from among a plurality of previously-stored images, based on the input image. The clusterer creates a cluster including at least some similar images meeting predetermined conditions, from among the plurality of similar images, based on viewpoint data tagged to each of the plurality of similar images. The estimator estimates a pose of a camera that has generated the input image, based on the cluster.

Abstract: A pedestrian airbag includes: an airbag cushion stored in a pedestrian airbag room located between a roof and a headliner of a vehicle in a folded state, and configured to be deployed to cover both a windshield glass and an A-pillar by being expanded during deployment thereof; and an inflator configured to supply gas to the airbag cushion.