Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.

Abstract: In order to provide information related to content played on a target device within a visual field or a field of view (FOV) of the camera's, and to control the target device, a mobile apparatus according to an embodiment of present disclosure includes: a display; a camera configured to photograph a target device; a user interface configured to receive user's input; and a controller configured to control the display to display the image of the target device photographed by the camera and information related to an object included in the content being played by the target device in response to the user's input.

Abstract: An apparatus for monitoring particles in a chemical solution includes a chemical solution supply device that stores a chemical solution and supplies the chemical solution according to a work start signal of a control unit, a first supply channel that is connected with the chemical solution supply device to supply the chemical solution, a filter that is connected with the first supply channel to purify the chemical solution, a branch channel and a main channel that are branched from the filter, a drain valve that is connected with the branch channel to open and close the branch channel, a particle monitor that is connected with the main channel to detect the amount of particles in the chemical solution, and a dispenser unit that receives the chemical solution from the particle monitor to supply the chemical solution to an object to be worked.

Abstract: The present disclosure relates to a heater in which a capacitive power control pattern is implemented, and an apparatus therefor. A heater comprising: first and second base materials that are separated in the vertical direction so as to have an internal space therebetween; a heater electrode pattern provided in the internal space; and a plurality of sheet-type heating elements provided in the internal space so as to be electrically connected to the heater electrode pattern, comprises a capacitance pattern for causing a change in capacitance in the region between the sheet-type heating elements according to a hovering movement above the second base material, wherein heater power to be supplied to the sheet-type heating elements through the heater electrode pattern can be controlled according to the hovering movement recognized in response to the change in capacitance.

Abstract: The present disclosure relates to a polymer electrolyte membrane for medium and high temperature, a preparation method thereof and a high-temperature polymer electrolyte membrane fuel cell including the same, more particularly to a technology of preparing a composite membrane including an inorganic phosphate nanofiber incorporated into a phosphoric acid-doped polybenzimidazole (PBI) polymer membrane by adding an inorganic precursor capable of forming a nanofiber in a phosphoric acid solution when preparing phosphoric acid-doped polybenzimidazole and using the same as a high-temperature polymer electrolyte membrane which is thermally stable even at high temperatures of 200-300° C. without degradation of phosphoric acid and has high ion conductivity.

Abstract: An exemplary embodiment of the present disclosure provides a pressure sensitive heating element including a front electrode and a foam including a conductive material attached to one or both surfaces of the front electrode, and a method for manufacturing the same.

Abstract: The present invention relates to a driver seat airbag device for a vehicle and a method for manufacturing same, the driver seat airbag device comprising: a driver seat airbag mounted in a folded state inside a steering wheel; and an inflator connected to the driver seat airbag to supply gas to allow the driver seat airbag to expand between the steering wheel and a driver at the time of a vehicle collision, wherein: the driver seat airbag has a plurality of tether members and a diffuser installed thereat, the tether members restricting an expansion thickness of the driver seat airbag, the diffuser controlling a supply direction for a gas supplied to the driver seat airbag, the tether members and the diffuser being installed between a front panel facing the front side of the vehicle and a rear panel opposite to the front panel and facing the driver; and the diffuser is installed between the plurality of tether members, and thus the diffuser and the tether members are integrated to simplify an installation struc

Abstract: The present disclosure relates to antioxidant for a polymer electrolyte membrane fuel cell electrode catalyst, which includes cerium hydrogen phosphate (HCe2(PO4)3(H2O)) in the form of a nanofiber, and an electrode and a membrane-electrode assembly including the same. The electrode for a polymer electrolyte membrane fuel cell of the present disclosure, wherein the antioxidant is dispersed, can improve the mechanical strength of an electrode catalyst layer and can minimize deterioration of chemical durability even after long-term operation. And, a fuel cell including the same can exhibit high output performance and can operate stably even after long-term operation.

Abstract: An imaging lens system includes a first lens; a second lens; a third lens having a concave object-side surface in a paraxial region thereof; a fourth lens; a fifth lens; a sixth lens; and a seventh lens, wherein the first to seventh lenses are sequentially disposed in ascending numerical order along an optical axis of the imaging lens system from an object side of the imaging lens system toward an imaging plane of the imaging lens system, and the conditional expression TTL/(2*ImgHT)<0.6 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane, and 2*ImgHT is a diagonal length of an effective imaging area of the imaging plane.

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: Provided are an oncolytic virus for treating brain tumors using a recombinant Newcastle disease virus into which a Newcastle disease virus (NDV) vector-based PTEN (phosphatase and tensin homolog) gene is inserted and a composition for treating brain tumors using the same which can be used for a therapeutic viral agent that can induce reduction of clinical symptoms or partial or complete remission through brain tumor cell death or brain tumor tissue reduction by expressing normal PTEN protein after being infected with brain tumor cells, as a recombinant Newcastle disease virus containing a human PTEN protein gene.

Abstract: The present disclosure is a method for manufacturing a catalyst for a fuel cell using the blood of slaughtered livestock. The method for manufacturing a catalyst for a fuel cell using the blood of slaughtered livestock of the present disclosure allows preparation of a catalyst for a fuel cell exhibiting high redox reaction activity and very superior durability as compared to a commercially available platinum catalyst through a very simple process of purification of the blood of slaughtered livestock and hydrothermal synthesis. In addition, the method is very economical in that a catalyst is prepared using the pure blood of livestock only without an artificial additive, waste disposal cost can be reduced by recycling the blood of livestock and a high-performance catalyst capable of replacing the expensive platinum catalyst can be prepared.

Abstract: Provided are an oncolytic virus for treating brain tumors using a recombinant Newcastle disease virus into which a Newcastle disease virus (NDV) vector-based PTEN (phosphatase and tensin homolog) gene is inserted and a composition for treating brain tumors using the same which can be used for a therapeutic viral agent that can induce reduction of clinical symptoms or partial or complete remission through brain tumor cell death or brain tumor tissue reduction by expressing normal PTEN protein after being infected with brain tumor cells, as a recombinant Newcastle disease virus containing a human PTEN protein gene.

Abstract: An imaging 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 disposed in order from an object side. In the imaging lens system, the first lens has positive refractive power and an object-side surface of the first lens is concave. A field of view of the imaging lens system is 100 degrees or more. In the imaging lens system, a distance TTL from the object-side surface of the first lens to an imaging plane and a height ImgH of the imaging plane satisfy TTL/ImgH<1.5.

Abstract: For realistic mounting simulation of an image device, a mobile device according to one embodiment comprises: a display; a camera for photographing a space in which the image device is to be mounted; a user interface unit for receiving a user's input; and a control unit for controlling the display so that an image of the space photographed by the camera is displayed together with a grid, and controlling the display so that a virtual image of the image device, of which the size has been adjusted in response to the user's input, is displayed on the grid.

Abstract: An oven with an enhanced structure to keep a cooking space clean includes a main body, a cooking chamber formed inside the main body and including a bottom wall, a burner provided at an outer lower part of the cooking chamber to heat up the cooking chamber, a door arranged to open or close the cooking chamber, a bottom plate coupled to the bottom wall of the cooking chamber with a gap from the bottom wall such that the bottom plate is located inside the cooking chamber, and an outlet for heated air formed between one end of the bottom plate facing the door and the bottom wall of the cooking chamber such that heated air generated from the burner is supplied to the door.

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: Provided is a method of preparing a bioactive substance-encapsulatedethosome, the method including: preparing an aqueous solution of a bioactive substance,preparing a lipid-dissolved solution by dissolving lipids in ethanol, preparing a hydrated liquid crystalline phase by hydrating the lipid-dissolved solution by mixing and agitating the bioactive substance aqueous solution together with the lipid-dissolved solution, and preparing an ethosome solution by adding purified water to the hydrated liquid crystalline phase to produce a mixture and agitating the mixture.

Abstract: Provided is a method of preparing a bioactive substance-encapsulated ethosome, the method including: preparing an aqueous solution of a bioactive substance, preparing a lipid-dissolved solution by dissolving lipids in ethanol, preparing a hydrated liquid crystalline phase by hydrating the lipid-dissolved solution by mixing and agitating the bioactive substance aqueous solution together with the lipid-dissolved solution, and preparing an ethosome solution by adding purified water to the hydrated liquid crystalline phase to produce a mixture and agitating the mixture.