Abstract: A laser device includes a laser source which emits a laser beam, a scanner located on a path of the laser beam emitted from the laser source to control the path of the laser beam, a lens module located on a path of a controlled laser beam to converge the laser beam, and a lens adaptor connecting the lens module to the scanner. The lens module includes a first lens part which accommodates a first lens, a second lens part which accommodates a second lens, and a connecting part located between the first lens part and the second lens part, where the connecting part has a longest diameter greater than a longest diameter of the first lens part and a longest diameter of the second lens part.

Abstract: An optical imaging 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 disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.4<L1TR/L7TR<1.9, where L1TR is an overall outer diameter of the first lens, L7TR is an overall outer diameter of the seventh lens, and L1TR and L7TR are expressed in a same unit of measurement.

Abstract: In one aspect, an electric furnace is provided with a double type melting furnace, which includes: a first upper cell that forms a first upper space of a first melting furnace in which a first iron source is introduced and molten; a second upper cell that is disposed in a horizontal direction of the first upper cell and forms a second upper space of a second melting furnace in which a second iron source is introduced and molten; a lower cell that is combined with lower portions of the first upper cell and the second upper cell and forms a single integrated space in which a first lower space of the first melting furnace and a second lower space of the second melting furnace are integrated; and a partition wall unit that is installed to vertically move up and down between the first upper cell and the second upper cell, and separates the first lower space of the first melting furnace and the second lower space of the second melting furnace, although both of the lower spaces are integrally formed by the lower cel

Abstract: An imaging lens system includes a first lens group, an optical path conversion element, and a second lens group arranged in order from an object side. An optical axis of the second lens group is disposed eccentrically in a direction with respect to a geometric optical axis of the optical path conversion element.

Abstract: An optical imaging 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 disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.4<L1TR/L7TR<1.9, where L1TR is an overall outer diameter of the first lens, L7TR is an overall outer diameter of the seventh lens, and L1TR and L7TR are expressed in a same unit of measurement.

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

Abstract: The present disclosure relates to a blood-brain barrier permeable fusion protein and uses thereof, and provides a blood-brain barrier permeable fusion protein, a polynucleotide encoding the fusion protein, a vector including the polynucleotide, a transfection cell line transfected with the vector, and a pharmaceutical composition for preventing or treating diseases associated with brain dysfunction, including the fusion protein as an active ingredient.

Abstract: A refrigerator may include a storage compartment, an inner door which comprises an opening having a size corresponding to a size of the storage compartment, a plurality of door guards, and an outer door which open and close the storage compartment, wherein the inner door comprises a control unit may control an internal environment of the storage compartment.

Abstract: A camera module is provided. The camera module includes a first lens having a convex object-side surface; a second lens having a convex object-side surface; a third lens having positive refractive power; a fourth lens having a convex image-side surface; and a fifth lens having a refractive power, wherein the first to fifth lens are sequentially disposed from an object side toward an imaging plane, wherein a focal length of the second lens is within a range of ?10 mm to ?7.0 mm, and wherein 1.0<TTL/f<1.2, where TTL is a distance from the object-side surface of the first lens to the imaging plane and f is a focal length of the lens imaging system.

Abstract: Various embodiments for techniques for intelligent channel prediction and transmission of related information in a wireless communication system are disclosed. In one embodiment, a method for a first communication device to transmit channel state information (CSI) for a specific channel to a second communication device, may comprise predicting channel state at a plurality of time points by measuring the specific channel; generating CSI for transmitting a plurality of prediction information obtained through the prediction; and transmitting the CSI to the second communication device. At least some of the plurality of prediction information occupy different overheads in the CSI.

Abstract: The present disclosure relates to a high energy density lithium secondary battery having significantly improved high-temperature storage characteristics and lifespan characteristics, which are problematic when a silicon-based negative electrode active material is applied. Specifically, a lithium secondary battery according to an exemplary embodiment includes a positive electrode; a negative electrode facing the positive electrode and including a silicon-based negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous organic solvent including a di-fluoro-based organic solvent and a lithium salt, wherein a content of the di-fluoro-based organic solvent is 5 to 20 vol % with respect to a total volume of the non-aqueous organic solvent.

Abstract: A damper for a glove box includes a cylinder including a cylinder body defining a space therein, a partition that divides the space into a first space and a second space and in which a hole is disposed, and guide holes disposed in the cylinder body to communicate with the second space, a piston disposed in the first space to be movable in a first direction, a valve disposed in the second space, and an elastic support unit disposed in the second space to elastically support the valve. The guide holes include a first guide hole and a second guide hole disposed apart from each other along a circumference of the cylinder body, and a protrusion of the valve is disposed in one of the first guide hole and the second guide hole.

Abstract: An optical imaging system includes a first lens having refractive power, a second lens including a first reflective region formed on an object-side surface of the second lens, a third lens having a second reflective region formed on an image-side surface of the third lens, and a fourth lens having refractive power.

Abstract: The present invention relates to a novel peptide having various physiological activities and use thereof. The novel peptide according to the present invention induces an increase in joint components in chondrocytes, increases the cartilage differentiation of mesenchymal stem cells and the production of extracellular matrix, suppresses an increase in inflammatory cytokines or inflammatory proteins, and can also suppress the differentiation and formation of osteoclasts, and thus can be effectively used as an active ingredient of a pharmaceutical composition for regenerating cartilage or preventing or treating an inflammatory disease or osteoporosis, or a health functional food for ameliorating the symptoms.

Abstract: The present invention relates to an electrically driven crawler-type vehicle platform for farm working, which can transmit large driving force to the left and right of a track by placing a battery pack and connecting each of an electric powered actuator and an hydraulic actuator to wheels and a three-point hitch, and enables easy control of the three-point hitch for attachment of a rear working machine, the platform comprising: a battery pack (100) for supplying power to a crawler-type vehicle for farm working; a wheel driving unit (200) for driving a wheel by the power received from the battery pack (100); and three-point hitch driving unit 300 for driving the three-point hitch by the power received from the battery pack (110).

Abstract: The present invention relates to a platform for an electrically driven rice transplanter having an improved platform structure with a lowered center of gravity to prevent the risk of overturning when entering and exiting an open field due to thin wheels of the rice transplanter. The platform comprises: a battery; and a front wheel part and a rear wheel part driven by the battery. The front wheel part has: a front wheel motor receiving power from the battery; a front wheel transmission connected to the front wheel motor; and a front wheel vehicle shaft connected to the front wheel transmission to drive front wheels. The rear wheel part has: a rear wheel motor receiving power from the battery; a rear wheel transmission connected to the rear wheel motor; and a rear wheel vehicle shaft connected to the rear wheel transmission to drive rear wheels.

Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis from an object side of the optical imaging system toward an imaging plane of the optical imaging system. The lenses are separated from each other by respective air gaps along the optical axis between the lenses. The lenses include a first lens closest to the object side of the optical imaging system. The conditional expressions 1.5 mm<Gmax, TL<12.0 mm, and 0.15<R1/f are satisfied, where Gmax is a maximum air gap along the optical axis among all of the air gaps, TL is a length of the optical imaging system along the optical axis from an object-side surface of the first lens to the imaging plane, R1 is a radius of curvature of the object-side surface of the first lens, and f is a focal length of the optical imaging system.

Abstract: The present invention relates to a platform structure of an electrically-driven tractor that can work while stably maintaining the center of gravity, the platform structure comprising: a front wheel part and a rear wheel part for transmitting power by 4-wheel driving; a cabin installed between the front wheel part and the rear wheel part and installed to enable a worker to ride thereon; a battery part for supplying power to the electrically-driven tractor; an hydraulic system for driving a working machine; and a three-point hitch installed at the rear of the hydraulic system to allow the working machine to be attached thereto.

Abstract: A camera module includes a lens module including a plurality of lenses having refractive power, a first optical path folding unit disposed on the object side of the lens module and configured to refract or reflect incident light in an optical axis direction of the lens module. Among the lenses constituting the lens module, an effective radius of a lens closest to the first optical path folding unit may have substantially the same size as an effective radius of an exit surface of the first optical path folding unit.

Abstract: A VCSEL-based optical device having a common anode and a plurality of insulated cathode structures, and an optical module are disclosed. According to one aspect of the present embodiment, provided are: a VCSEL having a common anode structure so as to have higher optical output at a predetermined voltage; and a VCSEL array.